Merge branch 'topic/component-platform' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-samsung

107 files changed, 1089 insertions, 878 deletions

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 4490a699030b..4563432badba 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -396,23 +396,23 @@ static int snd_compr_mmap(struct file *f, struct vm_area_struct *vma)
 	return -ENXIO;
 }
 
-static inline int snd_compr_get_poll(struct snd_compr_stream *stream)
+static __poll_t snd_compr_get_poll(struct snd_compr_stream *stream)
 {
 	if (stream->direction == SND_COMPRESS_PLAYBACK)
-		return POLLOUT | POLLWRNORM;
+		return EPOLLOUT | EPOLLWRNORM;
 	else
-		return POLLIN | POLLRDNORM;
+		return EPOLLIN | EPOLLRDNORM;
 }
 
-static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
+static __poll_t snd_compr_poll(struct file *f, poll_table *wait)
 {
 	struct snd_compr_file *data = f->private_data;
 	struct snd_compr_stream *stream;
 	size_t avail;
-	int retval = 0;
+	__poll_t retval = 0;
 
 	if (snd_BUG_ON(!data))
-		return POLLERR;
+		return EPOLLERR;
 
 	stream = &data->stream;
 
@@ -421,7 +421,7 @@ static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
 	switch (stream->runtime->state) {
 	case SNDRV_PCM_STATE_OPEN:
 	case SNDRV_PCM_STATE_XRUN:
-		retval = snd_compr_get_poll(stream) | POLLERR;
+		retval = snd_compr_get_poll(stream) | EPOLLERR;
 		goto out;
 	default:
 		break;
@@ -447,7 +447,7 @@ static unsigned int snd_compr_poll(struct file *f, poll_table *wait)
 			retval = snd_compr_get_poll(stream);
 		break;
 	default:
-		retval = snd_compr_get_poll(stream) | POLLERR;
+		retval = snd_compr_get_poll(stream) | EPOLLERR;
 		break;
 	}
 out:
diff --git a/sound/core/control.c b/sound/core/control.c
index 56b3e2d49c82..0b3026d937b1 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -25,6 +25,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/time.h>
+#include <linux/mm.h>
 #include <linux/sched/signal.h>
 #include <sound/core.h>
 #include <sound/minors.h>
@@ -1129,7 +1130,7 @@ static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
 	if (size > 1024 * 128)	/* sane value */
 		return -EINVAL;
 
-	container = memdup_user(buf, size);
+	container = vmemdup_user(buf, size);
 	if (IS_ERR(container))
 		return PTR_ERR(container);
 
@@ -1137,7 +1138,7 @@ static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
 	if (!change)
 		change = memcmp(ue->tlv_data, container, size) != 0;
 	if (!change) {
-		kfree(container);
+		kvfree(container);
 		return 0;
 	}
 
@@ -1148,7 +1149,7 @@ static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
 		mask = SNDRV_CTL_EVENT_MASK_INFO;
 	}
 
-	kfree(ue->tlv_data);
+	kvfree(ue->tlv_data);
 	ue->tlv_data = container;
 	ue->tlv_data_size = size;
 
@@ -1197,7 +1198,7 @@ static int snd_ctl_elem_init_enum_names(struct user_element *ue)
 	if (ue->info.value.enumerated.names_length > 64 * 1024)
 		return -EINVAL;
 
-	names = memdup_user((const void __user *)user_ptrval,
+	names = vmemdup_user((const void __user *)user_ptrval,
 		ue->info.value.enumerated.names_length);
 	if (IS_ERR(names))
 		return PTR_ERR(names);
@@ -1208,7 +1209,7 @@ static int snd_ctl_elem_init_enum_names(struct user_element *ue)
 	for (i = 0; i < ue->info.value.enumerated.items; ++i) {
 		name_len = strnlen(p, buf_len);
 		if (name_len == 0 || name_len >= 64 || name_len == buf_len) {
-			kfree(names);
+			kvfree(names);
 			return -EINVAL;
 		}
 		p += name_len + 1;
@@ -1225,8 +1226,8 @@ static void snd_ctl_elem_user_free(struct snd_kcontrol *kcontrol)
 {
 	struct user_element *ue = kcontrol->private_data;
 
-	kfree(ue->tlv_data);
-	kfree(ue->priv_data);
+	kvfree(ue->tlv_data);
+	kvfree(ue->priv_data);
 	kfree(ue);
 }
 
@@ -1666,9 +1667,9 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer,
       	return result > 0 ? result : err;
 }
 
-static unsigned int snd_ctl_poll(struct file *file, poll_table * wait)
+static __poll_t snd_ctl_poll(struct file *file, poll_table * wait)
 {
-	unsigned int mask;
+	__poll_t mask;
 	struct snd_ctl_file *ctl;
 
 	ctl = file->private_data;
@@ -1678,7 +1679,7 @@ static unsigned int snd_ctl_poll(struct file *file, poll_table * wait)
 
 	mask = 0;
 	if (!list_empty(&ctl->events))
-		mask |= POLLIN | POLLRDNORM;
+		mask |= EPOLLIN | EPOLLRDNORM;
 
 	return mask;
 }
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 8faae3d1455d..26e71cf05f1e 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -177,7 +177,7 @@ static int snd_hwdep_release(struct inode *inode, struct file * file)
 	return err;
 }
 
-static unsigned int snd_hwdep_poll(struct file * file, poll_table * wait)
+static __poll_t snd_hwdep_poll(struct file * file, poll_table * wait)
 {
 	struct snd_hwdep *hw = file->private_data;
 	if (hw->ops.poll)
@@ -233,8 +233,6 @@ static int snd_hwdep_dsp_load(struct snd_hwdep *hw,
 	/* check whether the dsp was already loaded */
 	if (hw->dsp_loaded & (1 << info.index))
 		return -EBUSY;
-	if (!access_ok(VERIFY_READ, info.image, info.length))
-		return -EFAULT;
 	err = hw->ops.dsp_load(hw, &info);
 	if (err < 0)
 		return err;
diff --git a/sound/core/info.c b/sound/core/info.c
index bcf6a48cc70d..4b36767af9e1 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -203,20 +203,20 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer
 	return size;
 }
 
-static unsigned int snd_info_entry_poll(struct file *file, poll_table *wait)
+static __poll_t snd_info_entry_poll(struct file *file, poll_table *wait)
 {
 	struct snd_info_private_data *data = file->private_data;
 	struct snd_info_entry *entry = data->entry;
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	if (entry->c.ops->poll)
 		return entry->c.ops->poll(entry,
 					  data->file_private_data,
 					  file, wait);
 	if (entry->c.ops->read)
-		mask |= POLLIN | POLLRDNORM;
+		mask |= EPOLLIN | EPOLLRDNORM;
 	if (entry->c.ops->write)
-		mask |= POLLOUT | POLLWRNORM;
+		mask |= EPOLLOUT | EPOLLWRNORM;
 	return mask;
 }
 
diff --git a/sound/core/init.c b/sound/core/init.c
index 168ae03d3a1c..4fa5dd955740 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -344,9 +344,9 @@ static int snd_disconnect_release(struct inode *inode, struct file *file)
 	panic("%s(%p, %p) failed!", __func__, inode, file);
 }
 
-static unsigned int snd_disconnect_poll(struct file * file, poll_table * wait)
+static __poll_t snd_disconnect_poll(struct file * file, poll_table * wait)
 {
-	return POLLERR | POLLNVAL;
+	return EPOLLERR | EPOLLNVAL;
 }
 
 static long snd_disconnect_ioctl(struct file *file,
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index c2db7e905f7d..b044c0a5a674 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -186,7 +186,7 @@ static int _snd_pcm_hw_param_mask(struct snd_pcm_hw_params *params,
 {
 	int changed;
 	changed = snd_mask_refine(hw_param_mask(params, var), val);
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -233,7 +233,7 @@ static int _snd_pcm_hw_param_min(struct snd_pcm_hw_params *params,
 						  val, open);
 	else
 		return -EINVAL;
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -294,7 +294,7 @@ static int _snd_pcm_hw_param_max(struct snd_pcm_hw_params *params,
 						  val, open);
 	else
 		return -EINVAL;
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -499,7 +499,7 @@ static int _snd_pcm_hw_param_set(struct snd_pcm_hw_params *params,
 		}
 	} else
 		return -EINVAL;
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -539,7 +539,7 @@ static int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params,
 {
 	int changed;
 	changed = snd_interval_setinteger(hw_param_interval(params, var));
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -842,7 +842,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream,
 		if (!(mutex_trylock(&runtime->oss.params_lock)))
 			return -EAGAIN;
 	} else if (mutex_lock_interruptible(&runtime->oss.params_lock))
-		return -EINTR;
+		return -ERESTARTSYS;
 	sw_params = kzalloc(sizeof(*sw_params), GFP_KERNEL);
 	params = kmalloc(sizeof(*params), GFP_KERNEL);
 	sparams = kmalloc(sizeof(*sparams), GFP_KERNEL);
@@ -2686,10 +2686,10 @@ static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)
 						runtime->oss.period_frames;
 }
 
-static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
+static __poll_t snd_pcm_oss_poll(struct file *file, poll_table * wait)
 {
 	struct snd_pcm_oss_file *pcm_oss_file;
-	unsigned int mask;
+	__poll_t mask;
 	struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
 	
 	pcm_oss_file = file->private_data;
@@ -2705,7 +2705,7 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 		if (runtime->status->state != SNDRV_PCM_STATE_DRAINING &&
 		    (runtime->status->state != SNDRV_PCM_STATE_RUNNING ||
 		     snd_pcm_oss_playback_ready(psubstream)))
-			mask |= POLLOUT | POLLWRNORM;
+			mask |= EPOLLOUT | EPOLLWRNORM;
 		snd_pcm_stream_unlock_irq(psubstream);
 	}
 	if (csubstream != NULL) {
@@ -2715,7 +2715,7 @@ static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
 		snd_pcm_stream_lock_irq(csubstream);
 		if ((ostate = runtime->status->state) != SNDRV_PCM_STATE_RUNNING ||
 		    snd_pcm_oss_capture_ready(csubstream))
-			mask |= POLLIN | POLLRDNORM;
+			mask |= EPOLLIN | EPOLLRDNORM;
 		snd_pcm_stream_unlock_irq(csubstream);
 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {
 			struct snd_pcm_oss_file ofile;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index faa67861cbc1..a83152e7d387 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1602,7 +1602,7 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params,
 		changed = snd_interval_refine_first(hw_param_interval(params, var));
 	else
 		return -EINVAL;
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
@@ -1648,7 +1648,7 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params,
 		changed = snd_interval_refine_last(hw_param_interval(params, var));
 	else
 		return -EINVAL;
-	if (changed) {
+	if (changed > 0) {
 		params->cmask |= 1 << var;
 		params->rmask |= 1 << var;
 	}
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index f08772568c17..77ba50ddcf9e 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3135,19 +3135,19 @@ static ssize_t snd_pcm_writev(struct kiocb *iocb, struct iov_iter *from)
 	return result;
 }
 
-static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
+static __poll_t snd_pcm_playback_poll(struct file *file, poll_table * wait)
 {
 	struct snd_pcm_file *pcm_file;
 	struct snd_pcm_substream *substream;
 	struct snd_pcm_runtime *runtime;
-        unsigned int mask;
+        __poll_t mask;
 	snd_pcm_uframes_t avail;
 
 	pcm_file = file->private_data;
 
 	substream = pcm_file->substream;
 	if (PCM_RUNTIME_CHECK(substream))
-		return POLLOUT | POLLWRNORM | POLLERR;
+		return EPOLLOUT | EPOLLWRNORM | EPOLLERR;
 	runtime = substream->runtime;
 
 	poll_wait(file, &runtime->sleep, wait);
@@ -3159,7 +3159,7 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
 	case SNDRV_PCM_STATE_PREPARED:
 	case SNDRV_PCM_STATE_PAUSED:
 		if (avail >= runtime->control->avail_min) {
-			mask = POLLOUT | POLLWRNORM;
+			mask = EPOLLOUT | EPOLLWRNORM;
 			break;
 		}
 		/* Fall through */
@@ -3167,26 +3167,26 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
 		mask = 0;
 		break;
 	default:
-		mask = POLLOUT | POLLWRNORM | POLLERR;
+		mask = EPOLLOUT | EPOLLWRNORM | EPOLLERR;
 		break;
 	}
 	snd_pcm_stream_unlock_irq(substream);
 	return mask;
 }
 
-static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait)
+static __poll_t snd_pcm_capture_poll(struct file *file, poll_table * wait)
 {
 	struct snd_pcm_file *pcm_file;
 	struct snd_pcm_substream *substream;
 	struct snd_pcm_runtime *runtime;
-        unsigned int mask;
+        __poll_t mask;
 	snd_pcm_uframes_t avail;
 
 	pcm_file = file->private_data;
 
 	substream = pcm_file->substream;
 	if (PCM_RUNTIME_CHECK(substream))
-		return POLLIN | POLLRDNORM | POLLERR;
+		return EPOLLIN | EPOLLRDNORM | EPOLLERR;
 	runtime = substream->runtime;
 
 	poll_wait(file, &runtime->sleep, wait);
@@ -3198,19 +3198,19 @@ static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait)
 	case SNDRV_PCM_STATE_PREPARED:
 	case SNDRV_PCM_STATE_PAUSED:
 		if (avail >= runtime->control->avail_min) {
-			mask = POLLIN | POLLRDNORM;
+			mask = EPOLLIN | EPOLLRDNORM;
 			break;
 		}
 		mask = 0;
 		break;
 	case SNDRV_PCM_STATE_DRAINING:
 		if (avail > 0) {
-			mask = POLLIN | POLLRDNORM;
+			mask = EPOLLIN | EPOLLRDNORM;
 			break;
 		}
 		/* Fall through */
 	default:
-		mask = POLLIN | POLLRDNORM | POLLERR;
+		mask = EPOLLIN | EPOLLRDNORM | EPOLLERR;
 		break;
 	}
 	snd_pcm_stream_unlock_irq(substream);
@@ -3446,7 +3446,7 @@ EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
 int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
 			   struct vm_area_struct *area)
 {
-	struct snd_pcm_runtime *runtime = substream->runtime;;
+	struct snd_pcm_runtime *runtime = substream->runtime;
 
 	area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
 	return vm_iomap_memory(area, runtime->dma_addr, runtime->dma_bytes);
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index f055ca10bbc1..69616d00481c 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1366,11 +1366,11 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
 	return result;
 }
 
-static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait)
+static __poll_t snd_rawmidi_poll(struct file *file, poll_table * wait)
 {
 	struct snd_rawmidi_file *rfile;
 	struct snd_rawmidi_runtime *runtime;
-	unsigned int mask;
+	__poll_t mask;
 
 	rfile = file->private_data;
 	if (rfile->input != NULL) {
@@ -1385,11 +1385,11 @@ static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait)
 	mask = 0;
 	if (rfile->input != NULL) {
 		if (snd_rawmidi_ready(rfile->input))
-			mask |= POLLIN | POLLRDNORM;
+			mask |= EPOLLIN | EPOLLRDNORM;
 	}
 	if (rfile->output != NULL) {
 		if (snd_rawmidi_ready(rfile->output))
-			mask |= POLLOUT | POLLWRNORM;
+			mask |= EPOLLOUT | EPOLLWRNORM;
 	}
 	return mask;
 }
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index 8cdf489df80e..5f64d0d88320 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -59,7 +59,7 @@ static int odev_release(struct inode *inode, struct file *file);
 static ssize_t odev_read(struct file *file, char __user *buf, size_t count, loff_t *offset);
 static ssize_t odev_write(struct file *file, const char __user *buf, size_t count, loff_t *offset);
 static long odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-static unsigned int odev_poll(struct file *file, poll_table * wait);
+static __poll_t odev_poll(struct file *file, poll_table * wait);
 
 
 /*
@@ -197,7 +197,7 @@ static long odev_ioctl_compat(struct file *file, unsigned int cmd,
 #define odev_ioctl_compat	NULL
 #endif
 
-static unsigned int
+static __poll_t
 odev_poll(struct file *file, poll_table * wait)
 {
 	struct seq_oss_devinfo *dp;
diff --git a/sound/core/seq/oss/seq_oss_device.h b/sound/core/seq/oss/seq_oss_device.h
index afa007c0cc2d..2d0e9eaf13aa 100644
--- a/sound/core/seq/oss/seq_oss_device.h
+++ b/sound/core/seq/oss/seq_oss_device.h
@@ -124,7 +124,7 @@ void snd_seq_oss_release(struct seq_oss_devinfo *dp);
 int snd_seq_oss_ioctl(struct seq_oss_devinfo *dp, unsigned int cmd, unsigned long arg);
 int snd_seq_oss_read(struct seq_oss_devinfo *dev, char __user *buf, int count);
 int snd_seq_oss_write(struct seq_oss_devinfo *dp, const char __user *buf, int count, struct file *opt);
-unsigned int snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait);
+__poll_t snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait);
 
 void snd_seq_oss_reset(struct seq_oss_devinfo *dp);
 
diff --git a/sound/core/seq/oss/seq_oss_rw.c b/sound/core/seq/oss/seq_oss_rw.c
index 6a7b6aceeca9..30886f5fb100 100644
--- a/sound/core/seq/oss/seq_oss_rw.c
+++ b/sound/core/seq/oss/seq_oss_rw.c
@@ -196,21 +196,21 @@ insert_queue(struct seq_oss_devinfo *dp, union evrec *rec, struct file *opt)
  * select / poll
  */
   
-unsigned int
+__poll_t
 snd_seq_oss_poll(struct seq_oss_devinfo *dp, struct file *file, poll_table * wait)
 {
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	/* input */
 	if (dp->readq && is_read_mode(dp->file_mode)) {
 		if (snd_seq_oss_readq_poll(dp->readq, file, wait))
-			mask |= POLLIN | POLLRDNORM;
+			mask |= EPOLLIN | EPOLLRDNORM;
 	}
 
 	/* output */
 	if (dp->writeq && is_write_mode(dp->file_mode)) {
 		if (snd_seq_kernel_client_write_poll(dp->cseq, file, wait))
-			mask |= POLLOUT | POLLWRNORM;
+			mask |= EPOLLOUT | EPOLLWRNORM;
 	}
 	return mask;
 }
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index d01913404581..60db32785f62 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1087,10 +1087,10 @@ static ssize_t snd_seq_write(struct file *file, const char __user *buf,
 /*
  * handle polling
  */
-static unsigned int snd_seq_poll(struct file *file, poll_table * wait)
+static __poll_t snd_seq_poll(struct file *file, poll_table * wait)
 {
 	struct snd_seq_client *client = file->private_data;
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	/* check client structures are in place */
 	if (snd_BUG_ON(!client))
@@ -1101,7 +1101,7 @@ static unsigned int snd_seq_poll(struct file *file, poll_table * wait)
 
 		/* check if data is available in the outqueue */
 		if (snd_seq_fifo_poll_wait(client->data.user.fifo, file, wait))
-			mask |= POLLIN | POLLRDNORM;
+			mask |= EPOLLIN | EPOLLRDNORM;
 	}
 
 	if (snd_seq_file_flags(file) & SNDRV_SEQ_LFLG_OUTPUT) {
@@ -1109,7 +1109,7 @@ static unsigned int snd_seq_poll(struct file *file, poll_table * wait)
 		/* check if data is available in the pool */
 		if (!snd_seq_write_pool_allocated(client) ||
 		    snd_seq_pool_poll_wait(client->pool, file, wait))
-			mask |= POLLOUT | POLLWRNORM;
+			mask |= EPOLLOUT | EPOLLWRNORM;
 	}
 
 	return mask;
diff --git a/sound/core/seq/seq_queue.c b/sound/core/seq/seq_queue.c
index 79e0c5604ef8..0428e9061b47 100644
--- a/sound/core/seq/seq_queue.c
+++ b/sound/core/seq/seq_queue.c
@@ -497,9 +497,7 @@ int snd_seq_queue_timer_set_tempo(int queueid, int client,
 		return -EPERM;
 	}
 
-	result = snd_seq_timer_set_tempo(q->timer, info->tempo);
-	if (result >= 0)
-		result = snd_seq_timer_set_ppq(q->timer, info->ppq);
+	result = snd_seq_timer_set_tempo_ppq(q->timer, info->tempo, info->ppq);
 	if (result >= 0 && info->skew_base > 0)
 		result = snd_seq_timer_set_skew(q->timer, info->skew_value,
 						info->skew_base);
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index b80985fbc334..23167578231f 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -191,14 +191,15 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo)
 	return 0;
 }
 
-/* set current ppq */
-int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
+/* set current tempo and ppq in a shot */
+int snd_seq_timer_set_tempo_ppq(struct snd_seq_timer *tmr, int tempo, int ppq)
 {
+	int changed;
 	unsigned long flags;
 
 	if (snd_BUG_ON(!tmr))
 		return -EINVAL;
-	if (ppq <= 0)
+	if (tempo <= 0 || ppq <= 0)
 		return -EINVAL;
 	spin_lock_irqsave(&tmr->lock, flags);
 	if (tmr->running && (ppq != tmr->ppq)) {
@@ -208,9 +209,11 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq)
 		pr_debug("ALSA: seq: cannot change ppq of a running timer\n");
 		return -EBUSY;
 	}
-
+	changed = (tempo != tmr->tempo) || (ppq != tmr->ppq);
+	tmr->tempo = tempo;
 	tmr->ppq = ppq;
-	snd_seq_timer_set_tick_resolution(tmr);
+	if (changed)
+		snd_seq_timer_set_tick_resolution(tmr);
 	spin_unlock_irqrestore(&tmr->lock, flags);
 	return 0;
 }
diff --git a/sound/core/seq/seq_timer.h b/sound/core/seq/seq_timer.h
index 9506b661fe5b..62f390671096 100644
--- a/sound/core/seq/seq_timer.h
+++ b/sound/core/seq/seq_timer.h
@@ -131,7 +131,7 @@ int snd_seq_timer_stop(struct snd_seq_timer *tmr);
 int snd_seq_timer_start(struct snd_seq_timer *tmr);
 int snd_seq_timer_continue(struct snd_seq_timer *tmr);
 int snd_seq_timer_set_tempo(struct snd_seq_timer *tmr, int tempo);
-int snd_seq_timer_set_ppq(struct snd_seq_timer *tmr, int ppq);
+int snd_seq_timer_set_tempo_ppq(struct snd_seq_timer *tmr, int tempo, int ppq);
 int snd_seq_timer_set_position_tick(struct snd_seq_timer *tmr, snd_seq_tick_time_t position);
 int snd_seq_timer_set_position_time(struct snd_seq_timer *tmr, snd_seq_real_time_t position);
 int snd_seq_timer_set_skew(struct snd_seq_timer *tmr, unsigned int skew, unsigned int base);
diff --git a/sound/core/timer.c b/sound/core/timer.c
index ee09dace8bb1..dc87728c5b74 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -2072,9 +2072,9 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
 	return result > 0 ? result : err;
 }
 
-static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
+static __poll_t snd_timer_user_poll(struct file *file, poll_table * wait)
 {
-        unsigned int mask;
+        __poll_t mask;
         struct snd_timer_user *tu;
 
         tu = file->private_data;
@@ -2084,9 +2084,9 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
 	mask = 0;
 	spin_lock_irq(&tu->qlock);
 	if (tu->qused)
-		mask |= POLLIN | POLLRDNORM;
+		mask |= EPOLLIN | EPOLLRDNORM;
 	if (tu->disconnected)
-		mask |= POLLERR;
+		mask |= EPOLLERR;
 	spin_unlock_irq(&tu->qlock);
 
 	return mask;
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 7b2b1f766b00..8fb9a54fe8ba 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -375,17 +375,9 @@ struct dummy_hrtimer_pcm {
 	ktime_t period_time;
 	atomic_t running;
 	struct hrtimer timer;
-	struct tasklet_struct tasklet;
 	struct snd_pcm_substream *substream;
 };
 
-static void dummy_hrtimer_pcm_elapsed(unsigned long priv)
-{
-	struct dummy_hrtimer_pcm *dpcm = (struct dummy_hrtimer_pcm *)priv;
-	if (atomic_read(&dpcm->running))
-		snd_pcm_period_elapsed(dpcm->substream);
-}
-
 static enum hrtimer_restart dummy_hrtimer_callback(struct hrtimer *timer)
 {
 	struct dummy_hrtimer_pcm *dpcm;
@@ -393,7 +385,14 @@ static enum hrtimer_restart dummy_hrtimer_callback(struct hrtimer *timer)
 	dpcm = container_of(timer, struct dummy_hrtimer_pcm, timer);
 	if (!atomic_read(&dpcm->running))
 		return HRTIMER_NORESTART;
-	tasklet_schedule(&dpcm->tasklet);
+	/*
+	 * In cases of XRUN and draining, this calls .trigger to stop PCM
+	 * substream.
+	 */
+	snd_pcm_period_elapsed(dpcm->substream);
+	if (!atomic_read(&dpcm->running))
+		return HRTIMER_NORESTART;
+
 	hrtimer_forward_now(timer, dpcm->period_time);
 	return HRTIMER_RESTART;
 }
@@ -403,7 +402,7 @@ static int dummy_hrtimer_start(struct snd_pcm_substream *substream)
 	struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data;
 
 	dpcm->base_time = hrtimer_cb_get_time(&dpcm->timer);
-	hrtimer_start(&dpcm->timer, dpcm->period_time, HRTIMER_MODE_REL);
+	hrtimer_start(&dpcm->timer, dpcm->period_time, HRTIMER_MODE_REL_SOFT);
 	atomic_set(&dpcm->running, 1);
 	return 0;
 }
@@ -413,14 +412,14 @@ static int dummy_hrtimer_stop(struct snd_pcm_substream *substream)
 	struct dummy_hrtimer_pcm *dpcm = substream->runtime->private_data;
 
 	atomic_set(&dpcm->running, 0);
-	hrtimer_cancel(&dpcm->timer);
+	if (!hrtimer_callback_running(&dpcm->timer))
+		hrtimer_cancel(&dpcm->timer);
 	return 0;
 }
 
 static inline void dummy_hrtimer_sync(struct dummy_hrtimer_pcm *dpcm)
 {
 	hrtimer_cancel(&dpcm->timer);
-	tasklet_kill(&dpcm->tasklet);
 }
 
 static snd_pcm_uframes_t
@@ -465,12 +464,10 @@ static int dummy_hrtimer_create(struct snd_pcm_substream *substream)
 	if (!dpcm)
 		return -ENOMEM;
 	substream->runtime->private_data = dpcm;
-	hrtimer_init(&dpcm->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+	hrtimer_init(&dpcm->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_SOFT);
 	dpcm->timer.function = dummy_hrtimer_callback;
 	dpcm->substream = substream;
 	atomic_set(&dpcm->running, 0);
-	tasklet_init(&dpcm->tasklet, dummy_hrtimer_pcm_elapsed,
-		     (unsigned long)dpcm);
 	return 0;
 }
 
@@ -830,7 +827,7 @@ static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_el
 static int snd_dummy_iobox_info(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_info *info)
 {
-	const char *const names[] = { "None", "CD Player" };
+	static const char *const names[] = { "None", "CD Player" };
 
 	return snd_ctl_enum_info(info, 1, 2, names);
 }
diff --git a/sound/firewire/bebob/bebob_hwdep.c b/sound/firewire/bebob/bebob_hwdep.c
index 2b367c21b80c..04c321e08c62 100644
--- a/sound/firewire/bebob/bebob_hwdep.c
+++ b/sound/firewire/bebob/bebob_hwdep.c
@@ -53,17 +53,17 @@ hwdep_read(struct snd_hwdep *hwdep, char __user *buf,  long count,
 	return count;
 }
 
-static unsigned int
+static __poll_t
 hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait)
 {
 	struct snd_bebob *bebob = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &bebob->hwdep_wait, wait);
 
 	spin_lock_irq(&bebob->lock);
 	if (bebob->dev_lock_changed)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&bebob->lock);
diff --git a/sound/firewire/dice/dice-hwdep.c b/sound/firewire/dice/dice-hwdep.c
index a4dc02a86f12..6498bf6909ba 100644
--- a/sound/firewire/dice/dice-hwdep.c
+++ b/sound/firewire/dice/dice-hwdep.c
@@ -52,17 +52,17 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_dice *dice = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &dice->hwdep_wait, wait);
 
 	spin_lock_irq(&dice->lock);
 	if (dice->dev_lock_changed || dice->notification_bits != 0)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&dice->lock);
diff --git a/sound/firewire/digi00x/digi00x-hwdep.c b/sound/firewire/digi00x/digi00x-hwdep.c
index 463c6b8e864d..426cd39e0233 100644
--- a/sound/firewire/digi00x/digi00x-hwdep.c
+++ b/sound/firewire/digi00x/digi00x-hwdep.c
@@ -60,17 +60,17 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,  long count,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_dg00x *dg00x = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &dg00x->hwdep_wait, wait);
 
 	spin_lock_irq(&dg00x->lock);
 	if (dg00x->dev_lock_changed || dg00x->msg)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&dg00x->lock);
diff --git a/sound/firewire/fireface/ff-hwdep.c b/sound/firewire/fireface/ff-hwdep.c
index 3ee04b054585..336c0076ec42 100644
--- a/sound/firewire/fireface/ff-hwdep.c
+++ b/sound/firewire/fireface/ff-hwdep.c
@@ -52,17 +52,17 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,  long count,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_ff *ff = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &ff->hwdep_wait, wait);
 
 	spin_lock_irq(&ff->lock);
 	if (ff->dev_lock_changed)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&ff->lock);
diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c
index a3a3a16f5e08..5cac26ab20b7 100644
--- a/sound/firewire/fireworks/fireworks_hwdep.c
+++ b/sound/firewire/fireworks/fireworks_hwdep.c
@@ -184,22 +184,22 @@ end:
 	return count;
 }
 
-static unsigned int
+static __poll_t
 hwdep_poll(struct snd_hwdep *hwdep, struct file *file, poll_table *wait)
 {
 	struct snd_efw *efw = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &efw->hwdep_wait, wait);
 
 	spin_lock_irq(&efw->lock);
 	if (efw->dev_lock_changed || efw->pull_ptr != efw->push_ptr)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&efw->lock);
 
-	return events | POLLOUT;
+	return events | EPOLLOUT;
 }
 
 static int
diff --git a/sound/firewire/motu/motu-hwdep.c b/sound/firewire/motu/motu-hwdep.c
index b87ccb69d597..5f772eab588b 100644
--- a/sound/firewire/motu/motu-hwdep.c
+++ b/sound/firewire/motu/motu-hwdep.c
@@ -59,22 +59,22 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_motu *motu = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &motu->hwdep_wait, wait);
 
 	spin_lock_irq(&motu->lock);
 	if (motu->dev_lock_changed || motu->msg)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&motu->lock);
 
-	return events | POLLOUT;
+	return events | EPOLLOUT;
 }
 
 static int hwdep_get_info(struct snd_motu *motu, void __user *arg)
diff --git a/sound/firewire/oxfw/oxfw-hwdep.c b/sound/firewire/oxfw/oxfw-hwdep.c
index ff2687ad0460..50a1c03b42b9 100644
--- a/sound/firewire/oxfw/oxfw-hwdep.c
+++ b/sound/firewire/oxfw/oxfw-hwdep.c
@@ -52,17 +52,17 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,  long count,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_oxfw *oxfw = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &oxfw->hwdep_wait, wait);
 
 	spin_lock_irq(&oxfw->lock);
 	if (oxfw->dev_lock_changed)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&oxfw->lock);
diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index 8c4437d0051d..4e4c1e9020e8 100644
--- a/sound/firewire/tascam/tascam-hwdep.c
+++ b/sound/firewire/tascam/tascam-hwdep.c
@@ -50,17 +50,17 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
 	return count;
 }
 
-static unsigned int hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
+static __poll_t hwdep_poll(struct snd_hwdep *hwdep, struct file *file,
 			       poll_table *wait)
 {
 	struct snd_tscm *tscm = hwdep->private_data;
-	unsigned int events;
+	__poll_t events;
 
 	poll_wait(file, &tscm->hwdep_wait, wait);
 
 	spin_lock_irq(&tscm->lock);
 	if (tscm->dev_lock_changed)
-		events = POLLIN | POLLRDNORM;
+		events = EPOLLIN | EPOLLRDNORM;
 	else
 		events = 0;
 	spin_unlock_irq(&tscm->lock);
diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c
index 36c27c832360..7f95f452f106 100644
--- a/sound/isa/gus/gus_dma.c
+++ b/sound/isa/gus/gus_dma.c
@@ -201,10 +201,9 @@ int snd_gf1_dma_transfer_block(struct snd_gus_card * gus,
 	struct snd_gf1_dma_block *block;
 
 	block = kmalloc(sizeof(*block), atomic ? GFP_ATOMIC : GFP_KERNEL);
-	if (block == NULL) {
-		snd_printk(KERN_ERR "gf1: DMA transfer failure; not enough memory\n");
+	if (!block)
 		return -ENOMEM;
-	}
+
 	*block = *__block;
 	block->next = NULL;
 
diff --git a/sound/mips/hal2.c b/sound/mips/hal2.c
index 37d378a26a50..c8904e732aaa 100644
--- a/sound/mips/hal2.c
+++ b/sound/mips/hal2.c
@@ -814,7 +814,7 @@ static int hal2_create(struct snd_card *card, struct snd_hal2 **rchip)
 	struct hpc3_regs *hpc3 = hpc3c0;
 	int err;
 
-	hal2 = kzalloc(sizeof(struct snd_hal2), GFP_KERNEL);
+	hal2 = kzalloc(sizeof(*hal2), GFP_KERNEL);
 	if (!hal2)
 		return -ENOMEM;
 
diff --git a/sound/mips/sgio2audio.c b/sound/mips/sgio2audio.c
index 71c942162c25..9fb68b35de5a 100644
--- a/sound/mips/sgio2audio.c
+++ b/sound/mips/sgio2audio.c
@@ -840,7 +840,7 @@ static int snd_sgio2audio_create(struct snd_card *card,
 	if (!(readq(&mace->perif.audio.control) & AUDIO_CONTROL_CODEC_PRESENT))
 		return -ENOENT;
 
-	chip = kzalloc(sizeof(struct snd_sgio2audio), GFP_KERNEL);
+	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	if (chip == NULL)
 		return -ENOMEM;
 
diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c
index fb3bbceb1fef..8c0f8a9ee0ba 100644
--- a/sound/oss/dmasound/dmasound_core.c
+++ b/sound/oss/dmasound/dmasound_core.c
@@ -670,9 +670,9 @@ static ssize_t sq_write(struct file *file, const char __user *src, size_t uLeft,
 	return uUsed < 0? uUsed: uWritten;
 }
 
-static unsigned int sq_poll(struct file *file, struct poll_table_struct *wait)
+static __poll_t sq_poll(struct file *file, struct poll_table_struct *wait)
 {
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 	int retVal;
 	
 	if (write_sq.locked == 0) {
@@ -684,7 +684,7 @@ static unsigned int sq_poll(struct file *file, struct poll_table_struct *wait)
 		poll_wait(file, &write_sq.action_queue, wait);
 	if (file->f_mode & FMODE_WRITE)
 		if (write_sq.count < write_sq.max_active || write_sq.block_size - write_sq.rear_size > 0)
-			mask |= POLLOUT | POLLWRNORM;
+			mask |= EPOLLOUT | EPOLLWRNORM;
 	return mask;
 
 }
diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index 7f3b5ed81995..f7a492c382d9 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -88,7 +88,6 @@ config SND_HDA_PATCH_LOADER
 config SND_HDA_CODEC_REALTEK
 	tristate "Build Realtek HD-audio codec support"
 	select SND_HDA_GENERIC
-	select INPUT
 	help
 	  Say Y or M here to include Realtek HD-audio codec support in
 	  snd-hda-intel driver, such as ALC880.
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9aafc6c86132..23475888192b 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3154,11 +3154,13 @@ static void alc256_shutup(struct hda_codec *codec)
 	if (hp_pin_sense)
 		msleep(85);
 
+	/* 3k pull low control for Headset jack. */
+	/* NOTE: call this before clearing the pin, otherwise codec stalls */
+	alc_update_coef_idx(codec, 0x46, 0, 3 << 12);
+
 	snd_hda_codec_write(codec, hp_pin, 0,
 			    AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
 
-	alc_update_coef_idx(codec, 0x46, 0, 3 << 12); /* 3k pull low control for Headset jack. */
-
 	if (hp_pin_sense)
 		msleep(100);
 
@@ -3166,6 +3168,93 @@ static void alc256_shutup(struct hda_codec *codec)
 	snd_hda_shutup_pins(codec);
 }
 
+static void alc225_init(struct hda_codec *codec)
+{
+	struct alc_spec *spec = codec->spec;
+	hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+	bool hp1_pin_sense, hp2_pin_sense;
+
+	if (!hp_pin)
+		return;
+
+	msleep(30);
+
+	hp1_pin_sense = snd_hda_jack_detect(codec, hp_pin);
+	hp2_pin_sense = snd_hda_jack_detect(codec, 0x16);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(2);
+
+	alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x1); /* Low power */
+
+	if (hp1_pin_sense)
+		snd_hda_codec_write(codec, hp_pin, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+	if (hp2_pin_sense)
+		snd_hda_codec_write(codec, 0x16, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(85);
+
+	if (hp1_pin_sense)
+		snd_hda_codec_write(codec, hp_pin, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+	if (hp2_pin_sense)
+		snd_hda_codec_write(codec, 0x16, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(100);
+
+	alc_update_coef_idx(codec, 0x4a, 3 << 10, 0);
+	alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x4); /* Hight power */
+}
+
+static void alc225_shutup(struct hda_codec *codec)
+{
+	struct alc_spec *spec = codec->spec;
+	hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0];
+	bool hp1_pin_sense, hp2_pin_sense;
+
+	if (!hp_pin) {
+		alc269_shutup(codec);
+		return;
+	}
+
+	/* 3k pull low control for Headset jack. */
+	alc_update_coef_idx(codec, 0x4a, 0, 3 << 10);
+
+	hp1_pin_sense = snd_hda_jack_detect(codec, hp_pin);
+	hp2_pin_sense = snd_hda_jack_detect(codec, 0x16);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(2);
+
+	if (hp1_pin_sense)
+		snd_hda_codec_write(codec, hp_pin, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+	if (hp2_pin_sense)
+		snd_hda_codec_write(codec, 0x16, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(85);
+
+	if (hp1_pin_sense)
+		snd_hda_codec_write(codec, hp_pin, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
+	if (hp2_pin_sense)
+		snd_hda_codec_write(codec, 0x16, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
+
+	if (hp1_pin_sense || hp2_pin_sense)
+		msleep(100);
+
+	alc_auto_setup_eapd(codec, false);
+	snd_hda_shutup_pins(codec);
+}
+
 static void alc_default_init(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
@@ -3723,6 +3812,7 @@ static void alc280_fixup_hp_gpio4(struct hda_codec *codec,
 	}
 }
 
+#if IS_REACHABLE(INPUT)
 static void gpio2_mic_hotkey_event(struct hda_codec *codec,
 				   struct hda_jack_callback *event)
 {
@@ -3855,6 +3945,10 @@ static void alc233_fixup_lenovo_line2_mic_hotkey(struct hda_codec *codec,
 		spec->kb_dev = NULL;
 	}
 }
+#else /* INPUT */
+#define alc280_fixup_hp_gpio2_mic_hotkey	NULL
+#define alc233_fixup_lenovo_line2_mic_hotkey	NULL
+#endif /* INPUT */
 
 static void alc269_fixup_hp_line1_mic1_led(struct hda_codec *codec,
 				const struct hda_fixup *fix, int action)
@@ -3994,8 +4088,11 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec)
 	case 0x10ec0668:
 		alc_process_coef_fw(codec, coef0668);
 		break;
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
 		alc_process_coef_fw(codec, coef0225);
 		break;
@@ -4117,8 +4214,11 @@ static void alc_headset_mode_mic_in(struct hda_codec *codec, hda_nid_t hp_pin,
 		alc_process_coef_fw(codec, coef0688);
 		snd_hda_set_pin_ctl_cache(codec, mic_pin, PIN_VREF50);
 		break;
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
 		alc_process_coef_fw(codec, alc225_pre_hsmode);
 		alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x31<<10);
@@ -4189,8 +4289,11 @@ static void alc_headset_mode_default(struct hda_codec *codec)
 	};
 
 	switch (codec->core.vendor_id) {
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
 		alc_process_coef_fw(codec, alc225_pre_hsmode);
 		alc_process_coef_fw(codec, coef0225);
@@ -4332,8 +4435,11 @@ static void alc_headset_mode_ctia(struct hda_codec *codec)
 	case 0x10ec0668:
 		alc_process_coef_fw(codec, coef0688);
 		break;
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
 		val = alc_read_coef_idx(codec, 0x45);
 		if (val & (1 << 9))
@@ -4436,8 +4542,11 @@ static void alc_headset_mode_omtp(struct hda_codec *codec)
 	case 0x10ec0668:
 		alc_process_coef_fw(codec, coef0688);
 		break;
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
 		alc_process_coef_fw(codec, coef0225);
 		break;
@@ -4566,9 +4675,18 @@ static void alc_determine_headset_type(struct hda_codec *codec)
 		val = alc_read_coef_idx(codec, 0xbe);
 		is_ctia = (val & 0x1c02) == 0x1c02;
 		break;
+	case 0x10ec0215:
 	case 0x10ec0225:
+	case 0x10ec0285:
 	case 0x10ec0295:
+	case 0x10ec0289:
 	case 0x10ec0299:
+		snd_hda_codec_write(codec, 0x21, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE);
+		msleep(80);
+		snd_hda_codec_write(codec, 0x21, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0);
+
 		alc_process_coef_fw(codec, alc225_pre_hsmode);
 		alc_update_coef_idx(codec, 0x67, 0xf000, 0x1000);
 		val = alc_read_coef_idx(codec, 0x45);
@@ -4588,6 +4706,12 @@ static void alc_determine_headset_type(struct hda_codec *codec)
 		alc_update_coef_idx(codec, 0x4a, 7<<6, 7<<6);
 		alc_update_coef_idx(codec, 0x4a, 3<<4, 3<<4);
 		alc_update_coef_idx(codec, 0x67, 0xf000, 0x3000);
+
+		snd_hda_codec_write(codec, 0x21, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+		msleep(80);
+		snd_hda_codec_write(codec, 0x21, 0,
+			    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 		break;
 	case 0x10ec0867:
 		is_ctia = true;
@@ -6920,16 +7044,17 @@ static int patch_alc269(struct hda_codec *codec)
 	case 0x10ec0285:
 	case 0x10ec0289:
 		spec->codec_variant = ALC269_TYPE_ALC215;
+		spec->shutup = alc225_shutup;
+		spec->init_hook = alc225_init;
 		spec->gen.mixer_nid = 0;
 		break;
 	case 0x10ec0225:
 	case 0x10ec0295:
-		spec->codec_variant = ALC269_TYPE_ALC225;
-		spec->gen.mixer_nid = 0; /* no loopback on ALC225 ALC295 */
-		break;
 	case 0x10ec0299:
 		spec->codec_variant = ALC269_TYPE_ALC225;
-		spec->gen.mixer_nid = 0; /* no loopback on ALC299 */
+		spec->shutup = alc225_shutup;
+		spec->init_hook = alc225_init;
+		spec->gen.mixer_nid = 0; /* no loopback on ALC225, ALC295 and ALC299 */
 		break;
 	case 0x10ec0234:
 	case 0x10ec0274:
diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c
index 2697402b5195..8dabd4d0211d 100644
--- a/sound/pci/ice1712/prodigy_hifi.c
+++ b/sound/pci/ice1712/prodigy_hifi.c
@@ -965,13 +965,32 @@ static int prodigy_hd2_add_controls(struct snd_ice1712 *ice)
 	return 0;
 }
 
+static void wm8766_init(struct snd_ice1712 *ice)
+{
+	static unsigned short wm8766_inits[] = {
+		WM8766_RESET,	   0x0000,
+		WM8766_DAC_CTRL,	0x0120,
+		WM8766_INT_CTRL,	0x0022, /* I2S Normal Mode, 24 bit */
+		WM8766_DAC_CTRL2,       0x0001,
+		WM8766_DAC_CTRL3,       0x0080,
+		WM8766_LDA1,	    0x0100,
+		WM8766_LDA2,	    0x0100,
+		WM8766_LDA3,	    0x0100,
+		WM8766_RDA1,	    0x0100,
+		WM8766_RDA2,	    0x0100,
+		WM8766_RDA3,	    0x0100,
+		WM8766_MUTE1,	   0x0000,
+		WM8766_MUTE2,	   0x0000,
+	};
+	unsigned int i;
 
-/*
- * initialize the chip
- */
-static int prodigy_hifi_init(struct snd_ice1712 *ice)
+	for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2)
+		wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i + 1]);
+}
+
+static void wm8776_init(struct snd_ice1712 *ice)
 {
-	static unsigned short wm_inits[] = {
+	static unsigned short wm8776_inits[] = {
 		/* These come first to reduce init pop noise */
 		WM_ADC_MUX,	0x0003,	/* ADC mute */
 		/* 0x00c0 replaced by 0x0003 */
@@ -982,7 +1001,76 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice)
 		WM_POWERDOWN,	0x0008,	/* All power-up except HP */
 		WM_RESET,	0x0000,	/* reset */
 	};
-	static unsigned short wm_inits2[] = {
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(wm8776_inits); i += 2)
+		wm_put(ice, wm8776_inits[i], wm8776_inits[i + 1]);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int prodigy_hifi_resume(struct snd_ice1712 *ice)
+{
+	static unsigned short wm8776_reinit_registers[] = {
+		WM_MASTER_CTRL,
+		WM_DAC_INT,
+		WM_ADC_INT,
+		WM_OUT_MUX,
+		WM_HP_ATTEN_L,
+		WM_HP_ATTEN_R,
+		WM_PHASE_SWAP,
+		WM_DAC_CTRL2,
+		WM_ADC_ATTEN_L,
+		WM_ADC_ATTEN_R,
+		WM_ALC_CTRL1,
+		WM_ALC_CTRL2,
+		WM_ALC_CTRL3,
+		WM_NOISE_GATE,
+		WM_ADC_MUX,
+		/* no DAC attenuation here */
+	};
+	struct prodigy_hifi_spec *spec = ice->spec;
+	int i, ch;
+
+	mutex_lock(&ice->gpio_mutex);
+
+	/* reinitialize WM8776 and re-apply old register values */
+	wm8776_init(ice);
+	schedule_timeout_uninterruptible(1);
+	for (i = 0; i < ARRAY_SIZE(wm8776_reinit_registers); i++)
+		wm_put(ice, wm8776_reinit_registers[i],
+		       wm_get(ice, wm8776_reinit_registers[i]));
+
+	/* reinitialize WM8766 and re-apply volumes for all DACs */
+	wm8766_init(ice);
+	for (ch = 0; ch < 2; ch++) {
+		wm_set_vol(ice, WM_DAC_ATTEN_L + ch,
+			   spec->vol[2 + ch], spec->master[ch]);
+
+		wm8766_set_vol(ice, WM8766_LDA1 + ch,
+			       spec->vol[0 + ch], spec->master[ch]);
+
+		wm8766_set_vol(ice, WM8766_LDA2 + ch,
+			       spec->vol[4 + ch], spec->master[ch]);
+
+		wm8766_set_vol(ice, WM8766_LDA3 + ch,
+			       spec->vol[6 + ch], spec->master[ch]);
+	}
+
+	/* unmute WM8776 DAC */
+	wm_put(ice, WM_DAC_MUTE, 0x00);
+	wm_put(ice, WM_DAC_CTRL1, 0x90);
+
+	mutex_unlock(&ice->gpio_mutex);
+	return 0;
+}
+#endif
+
+/*
+ * initialize the chip
+ */
+static int prodigy_hifi_init(struct snd_ice1712 *ice)
+{
+	static unsigned short wm8776_defaults[] = {
 		WM_MASTER_CTRL,  0x0022, /* 256fs, slave mode */
 		WM_DAC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
 		WM_ADC_INT,	0x0022,	/* I2S, normal polarity, 24bit */
@@ -1010,22 +1098,6 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice)
 		WM_DAC_MUTE,	0x0000,	/* DAC unmute */
 		WM_ADC_MUX,	0x0003,	/* ADC unmute, both CD/Line On */
 	};
-	static unsigned short wm8766_inits[] = {
-		WM8766_RESET,	   0x0000,
-		WM8766_DAC_CTRL,	0x0120,
-		WM8766_INT_CTRL,	0x0022, /* I2S Normal Mode, 24 bit */
-		WM8766_DAC_CTRL2,       0x0001,
-		WM8766_DAC_CTRL3,       0x0080,
-		WM8766_LDA1,	    0x0100,
-		WM8766_LDA2,	    0x0100,
-		WM8766_LDA3,	    0x0100,
-		WM8766_RDA1,	    0x0100,
-		WM8766_RDA2,	    0x0100,
-		WM8766_RDA3,	    0x0100,
-		WM8766_MUTE1,	   0x0000,
-		WM8766_MUTE2,	   0x0000,
-	};
-
 	struct prodigy_hifi_spec *spec;
 	unsigned int i;
 
@@ -1052,16 +1124,17 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice)
 	ice->spec = spec;
 
 	/* initialize WM8776 codec */
-	for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2)
-		wm_put(ice, wm_inits[i], wm_inits[i+1]);
+	wm8776_init(ice);
 	schedule_timeout_uninterruptible(1);
-	for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2)
-		wm_put(ice, wm_inits2[i], wm_inits2[i+1]);
+	for (i = 0; i < ARRAY_SIZE(wm8776_defaults); i += 2)
+		wm_put(ice, wm8776_defaults[i], wm8776_defaults[i + 1]);
 
-	/* initialize WM8766 codec */
-	for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2)
-		wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i+1]);
+	wm8766_init(ice);
 
+#ifdef CONFIG_PM_SLEEP
+	ice->pm_resume = &prodigy_hifi_resume;
+	ice->pm_suspend_enabled = 1;
+#endif
 
 	return 0;
 }
diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c
index c7b007164c99..4206ba44d8bb 100644
--- a/sound/pci/korg1212/korg1212.c
+++ b/sound/pci/korg1212/korg1212.c
@@ -2348,7 +2348,6 @@ static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
 
 	err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
 	if (err < 0) {
-		release_firmware(dsp_code);
 		snd_printk(KERN_ERR "firmware not available\n");
 		snd_korg1212_free(korg1212);
 		return err;
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index c33a512283a4..78d7b6238376 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -23,6 +23,8 @@
 #include <drm/amd_asic_type.h>
 #include "acp.h"
 
+#define DRV_NAME "acp_audio_dma"
+
 #define PLAYBACK_MIN_NUM_PERIODS    2
 #define PLAYBACK_MAX_NUM_PERIODS    2
 #define PLAYBACK_MAX_PERIOD_SIZE    16384
@@ -702,8 +704,8 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
 	int ret = 0;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *intr_data = dev_get_drvdata(prtd->platform->dev);
-
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *intr_data = dev_get_drvdata(component->dev);
 	struct audio_substream_data *adata =
 		kzalloc(sizeof(struct audio_substream_data), GFP_KERNEL);
 	if (adata == NULL)
@@ -730,7 +732,7 @@ static int acp_dma_open(struct snd_pcm_substream *substream)
 	ret = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
 	if (ret < 0) {
-		dev_err(prtd->platform->dev, "set integer constraint failed\n");
+		dev_err(component->dev, "set integer constraint failed\n");
 		kfree(adata);
 		return ret;
 	}
@@ -778,7 +780,8 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime;
 	struct audio_substream_data *rtd;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	runtime = substream->runtime;
 	rtd = runtime->private_data;
@@ -907,6 +910,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
 	struct audio_substream_data *rtd = runtime->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
 
 	if (!rtd)
 		return -EINVAL;
@@ -924,7 +928,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 			while (acp_reg_read(rtd->acp_mmio, mmACP_DMA_CH_STS) &
 						BIT(SYSRAM_TO_ACP_CH_NUM)) {
 				if (!loops--) {
-					dev_err(prtd->platform->dev,
+					dev_err(component->dev,
 						"acp dma start timeout\n");
 					return -ETIMEDOUT;
 				}
@@ -970,7 +974,8 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
 static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;
-	struct audio_drv_data *adata = dev_get_drvdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	switch (adata->asic_type) {
 	case CHIP_STONEY:
@@ -987,7 +992,7 @@ static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
 		break;
 	}
 	if (ret < 0)
-		dev_err(rtd->platform->dev,
+		dev_err(component->dev,
 				"buffer preallocation failer error:%d\n", ret);
 	return ret;
 }
@@ -998,7 +1003,8 @@ static int acp_dma_close(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct audio_substream_data *rtd = runtime->private_data;
 	struct snd_soc_pcm_runtime *prtd = substream->private_data;
-	struct audio_drv_data *adata = dev_get_drvdata(prtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(prtd, DRV_NAME);
+	struct audio_drv_data *adata = dev_get_drvdata(component->dev);
 
 	kfree(rtd);
 
@@ -1044,7 +1050,8 @@ static const struct snd_pcm_ops acp_dma_ops = {
 	.prepare = acp_dma_prepare,
 };
 
-static struct snd_soc_platform_driver acp_asoc_platform = {
+static struct snd_soc_component_driver acp_asoc_platform = {
+	.name = DRV_NAME,
 	.ops = &acp_dma_ops,
 	.pcm_new = acp_dma_new,
 };
@@ -1102,7 +1109,8 @@ static int acp_audio_probe(struct platform_device *pdev)
 		return status;
 	}
 
-	status = snd_soc_register_platform(&pdev->dev, &acp_asoc_platform);
+	status = devm_snd_soc_register_component(&pdev->dev,
+						&acp_asoc_platform, NULL, 0);
 	if (status != 0) {
 		dev_err(&pdev->dev, "Fail to register ALSA platform device\n");
 		return status;
@@ -1123,7 +1131,6 @@ static int acp_audio_remove(struct platform_device *pdev)
 	status = acp_deinit(adata->acp_mmio);
 	if (status)
 		dev_err(&pdev->dev, "ACP Deinit failed status:%d\n", status);
-	snd_soc_unregister_platform(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
 	return 0;
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c
index ebabed69f0e6..6bc2b729495c 100644
--- a/sound/soc/atmel/atmel-classd.c
+++ b/sound/soc/atmel/atmel-classd.c
@@ -32,6 +32,7 @@ struct atmel_classd {
 	struct regmap *regmap;
 	struct clk *pclk;
 	struct clk *gclk;
+	struct device *dev;
 	int irq;
 	const struct atmel_classd_pdata *pdata;
 };
@@ -165,7 +166,7 @@ atmel_classd_platform_configure_dma(struct snd_pcm_substream *substream,
 	struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
 
 	if (params_physical_width(params) != 16) {
-		dev_err(rtd->platform->dev,
+		dev_err(dd->dev,
 			"only supports 16-bit audio data\n");
 		return -EINVAL;
 	}
@@ -587,6 +588,7 @@ static int atmel_classd_probe(struct platform_device *pdev)
 	}
 
 	dd->phy_base = res->start;
+	dd->dev = dev;
 
 	dd->regmap = devm_regmap_init_mmio(dev, io_base,
 					&atmel_classd_regmap_config);
diff --git a/sound/soc/atmel/atmel-pcm-pdc.c b/sound/soc/atmel/atmel-pcm-pdc.c
index 91b7069c3499..99ca23d527c9 100644
--- a/sound/soc/atmel/atmel-pcm-pdc.c
+++ b/sound/soc/atmel/atmel-pcm-pdc.c
@@ -393,7 +393,7 @@ static const struct snd_pcm_ops atmel_pcm_ops = {
 	.mmap		= atmel_pcm_mmap,
 };
 
-static struct snd_soc_platform_driver atmel_soc_platform = {
+static struct snd_soc_component_driver atmel_soc_platform = {
 	.ops		= &atmel_pcm_ops,
 	.pcm_new	= atmel_pcm_new,
 	.pcm_free	= atmel_pcm_free,
@@ -401,13 +401,13 @@ static struct snd_soc_platform_driver atmel_soc_platform = {
 
 int atmel_pcm_pdc_platform_register(struct device *dev)
 {
-	return snd_soc_register_platform(dev, &atmel_soc_platform);
+	return devm_snd_soc_register_component(dev, &atmel_soc_platform,
+					       NULL, 0);
 }
 EXPORT_SYMBOL(atmel_pcm_pdc_platform_register);
 
 void atmel_pcm_pdc_platform_unregister(struct device *dev)
 {
-	snd_soc_unregister_platform(dev);
 }
 EXPORT_SYMBOL(atmel_pcm_pdc_platform_unregister);
 
diff --git a/sound/soc/atmel/atmel-pdmic.c b/sound/soc/atmel/atmel-pdmic.c
index 8e3d34be9e69..4eea738c1047 100644
--- a/sound/soc/atmel/atmel-pdmic.c
+++ b/sound/soc/atmel/atmel-pdmic.c
@@ -32,6 +32,7 @@ struct atmel_pdmic {
 	struct regmap *regmap;
 	struct clk *pclk;
 	struct clk *gclk;
+	struct device *dev;
 	int irq;
 	struct snd_pcm_substream *substream;
 	const struct atmel_pdmic_pdata *pdata;
@@ -206,7 +207,7 @@ atmel_pdmic_platform_configure_dma(struct snd_pcm_substream *substream,
 	ret = snd_hwparams_to_dma_slave_config(substream, params,
 					       slave_config);
 	if (ret) {
-		dev_err(rtd->platform->dev,
+		dev_err(dd->dev,
 			"hw params to dma slave configure failed\n");
 		return ret;
 	}
@@ -596,6 +597,7 @@ static int atmel_pdmic_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	dd->pdata = pdata;
+	dd->dev = dev;
 
 	dd->irq = platform_get_irq(pdev, 0);
 	if (dd->irq < 0) {
diff --git a/sound/soc/au1x/dbdma2.c b/sound/soc/au1x/dbdma2.c
index 6a035ca0f521..fb650659c3a3 100644
--- a/sound/soc/au1x/dbdma2.c
+++ b/sound/soc/au1x/dbdma2.c
@@ -32,6 +32,8 @@
 
 /*#define PCM_DEBUG*/
 
+#define DRV_NAME "dbdma2"
+
 #define MSG(x...)	printk(KERN_INFO "au1xpsc_pcm: " x)
 #ifdef PCM_DEBUG
 #define DBG		MSG
@@ -187,8 +189,8 @@ out:
 static inline struct au1xpsc_audio_dmadata *to_dmadata(struct snd_pcm_substream *ss)
 {
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	struct au1xpsc_audio_dmadata *pcd =
-				snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct au1xpsc_audio_dmadata *pcd = snd_soc_component_get_drvdata(component);
 	return &pcd[ss->stream];
 }
 
@@ -327,7 +329,8 @@ static int au1xpsc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 }
 
 /* au1xpsc audio platform */
-static struct snd_soc_platform_driver au1xpsc_soc_platform = {
+static struct snd_soc_component_driver au1xpsc_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &au1xpsc_pcm_ops,
 	.pcm_new	= au1xpsc_pcm_new,
 };
@@ -344,8 +347,8 @@ static int au1xpsc_pcm_drvprobe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, dmadata);
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &au1xpsc_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&au1xpsc_soc_component, NULL, 0);
 }
 
 static struct platform_driver au1xpsc_pcm_driver = {
diff --git a/sound/soc/au1x/dma.c b/sound/soc/au1x/dma.c
index 19457e2b351e..efff1e293a1b 100644
--- a/sound/soc/au1x/dma.c
+++ b/sound/soc/au1x/dma.c
@@ -21,6 +21,8 @@
 
 #include "psc.h"
 
+#define DRV_NAME "au1x_dma"
+
 struct pcm_period {
 	u32 start;
 	u32 relative_end;	/* relative to start of buffer */
@@ -174,7 +176,8 @@ static const struct snd_pcm_hardware alchemy_pcm_hardware = {
 static inline struct alchemy_pcm_ctx *ss_to_ctx(struct snd_pcm_substream *ss)
 {
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	return snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	return snd_soc_component_get_drvdata(component);
 }
 
 static inline struct audio_stream *ss_to_as(struct snd_pcm_substream *ss)
@@ -297,7 +300,8 @@ static int alchemy_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static struct snd_soc_platform_driver alchemy_pcm_soc_platform = {
+static struct snd_soc_component_driver alchemy_pcm_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &alchemy_pcm_ops,
 	.pcm_new	= alchemy_pcm_new,
 };
@@ -312,8 +316,8 @@ static int alchemy_pcm_drvprobe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ctx);
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &alchemy_pcm_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&alchemy_pcm_soc_component, NULL, 0);
 }
 
 static struct platform_driver alchemy_pcmdma_driver = {
diff --git a/sound/soc/bcm/cygnus-pcm.c b/sound/soc/bcm/cygnus-pcm.c
index d616e096462e..123ecf5479d7 100644
--- a/sound/soc/bcm/cygnus-pcm.c
+++ b/sound/soc/bcm/cygnus-pcm.c
@@ -820,7 +820,7 @@ static int cygnus_dma_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static struct snd_soc_platform_driver cygnus_soc_platform = {
+static struct snd_soc_component_driver cygnus_soc_platform = {
 	.ops		= &cygnus_pcm_ops,
 	.pcm_new	= cygnus_dma_new,
 	.pcm_free	= cygnus_dma_free_dma_buffers,
@@ -840,7 +840,8 @@ int cygnus_soc_platform_register(struct device *dev,
 		return rc;
 	}
 
-	rc = snd_soc_register_platform(dev, &cygnus_soc_platform);
+	rc = devm_snd_soc_register_component(dev, &cygnus_soc_platform,
+					     NULL, 0);
 	if (rc) {
 		dev_err(dev, "%s failed\n", __func__);
 		return rc;
@@ -851,8 +852,6 @@ int cygnus_soc_platform_register(struct device *dev,
 
 int cygnus_soc_platform_unregister(struct device *dev)
 {
-	snd_soc_unregister_platform(dev);
-
 	return 0;
 }
 
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
index 8c1d1983b8f9..08bceb519c29 100644
--- a/sound/soc/blackfin/bf5xx-ac97-pcm.c
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -453,7 +453,7 @@ static int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
 	return ret;
 }
 
-static struct snd_soc_platform_driver bf5xx_ac97_soc_platform = {
+static struct snd_soc_component_driver bf5xx_ac97_soc_component = {
 	.ops			= &bf5xx_pcm_ac97_ops,
 	.pcm_new	= bf5xx_pcm_ac97_new,
 	.pcm_free	= bf5xx_pcm_free_dma_buffers,
@@ -461,8 +461,8 @@ static struct snd_soc_platform_driver bf5xx_ac97_soc_platform = {
 
 static int bf5xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &bf5xx_ac97_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&bf5xx_ac97_soc_component, NULL, 0);
 }
 
 static struct platform_driver bf5xx_pcm_driver = {
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
index 51cae76f14e6..6712b01dabd1 100644
--- a/sound/soc/blackfin/bf5xx-i2s-pcm.c
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -347,15 +347,15 @@ static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
 				SNDRV_DMA_TYPE_DEV, card->dev, size, size);
 }
 
-static struct snd_soc_platform_driver bf5xx_i2s_soc_platform = {
+static struct snd_soc_component_driver bf5xx_i2s_soc_component = {
 	.ops		= &bf5xx_pcm_i2s_ops,
 	.pcm_new	= bf5xx_pcm_i2s_new,
 };
 
 static int bfin_i2s_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &bf5xx_i2s_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&bf5xx_i2s_soc_component, NULL, 0);
 }
 
 static struct platform_driver bfin_i2s_pcm_driver = {
diff --git a/sound/soc/codecs/cs47l24.c b/sound/soc/codecs/cs47l24.c
index be2750680838..3f34de5f800e 100644
--- a/sound/soc/codecs/cs47l24.c
+++ b/sound/soc/codecs/cs47l24.c
@@ -33,6 +33,8 @@
 #include "wm_adsp.h"
 #include "cs47l24.h"
 
+#define DRV_NAME "cs47l24-codec"
+
 struct cs47l24_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -1069,7 +1071,8 @@ static struct snd_soc_dai_driver cs47l24_dai[] = {
 static int cs47l24_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct cs47l24_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct cs47l24_priv *priv = snd_soc_component_get_drvdata(component);
 	struct arizona *arizona = priv->core.arizona;
 	int n_adsp;
 
@@ -1177,6 +1180,16 @@ static unsigned int cs47l24_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_4L,
 };
 
+static struct snd_compr_ops cs47l24_compr_ops = {
+	.open		= cs47l24_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	.probe = cs47l24_codec_probe,
 	.remove = cs47l24_codec_remove,
@@ -1187,6 +1200,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	.set_pll = cs47l24_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &cs47l24_compr_ops,
 		.controls		= cs47l24_snd_controls,
 		.num_controls		= ARRAY_SIZE(cs47l24_snd_controls),
 		.dapm_widgets		= cs47l24_dapm_widgets,
@@ -1196,20 +1211,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_cs47l24 = {
 	},
 };
 
-static const struct snd_compr_ops cs47l24_compr_ops = {
-	.open = cs47l24_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver cs47l24_compr_platform = {
-	.compr_ops = &cs47l24_compr_ops,
-};
-
 static int cs47l24_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -1298,23 +1299,15 @@ static int cs47l24_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &cs47l24_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_cs47l24,
 				      cs47l24_dai, ARRAY_SIZE(cs47l24_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -1328,7 +1321,6 @@ static int cs47l24_remove(struct platform_device *pdev)
 	struct cs47l24_priv *cs47l24 = platform_get_drvdata(pdev);
 	struct arizona *arizona = cs47l24->core.arizona;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c
index 2144edca97b0..84184d90385b 100644
--- a/sound/soc/codecs/rt5514-spi.c
+++ b/sound/soc/codecs/rt5514-spi.c
@@ -35,6 +35,8 @@
 
 #include "rt5514-spi.h"
 
+#define DRV_NAME "rt5514-spi"
+
 static struct spi_device *rt5514_spi;
 
 struct rt5514_dsp {
@@ -211,8 +213,9 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
 			       struct snd_pcm_hw_params *hw_params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-			snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 	int ret;
 	u8 buf[8];
 
@@ -235,8 +238,9 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream,
 static int rt5514_spi_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-			snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 
 	mutex_lock(&rt5514_dsp->dma_lock);
 	rt5514_dsp->substream = NULL;
@@ -252,8 +256,9 @@ static snd_pcm_uframes_t rt5514_spi_pcm_pointer(
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct rt5514_dsp *rt5514_dsp =
-		snd_soc_platform_get_drvdata(rtd->platform);
+		snd_soc_component_get_drvdata(component);
 
 	return bytes_to_frames(runtime, rt5514_dsp->dma_offset);
 }
@@ -267,18 +272,18 @@ static const struct snd_pcm_ops rt5514_spi_pcm_ops = {
 	.page		= snd_pcm_lib_get_vmalloc_page,
 };
 
-static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
+static int rt5514_spi_pcm_probe(struct snd_soc_component *component)
 {
 	struct rt5514_dsp *rt5514_dsp;
 	int ret;
 
-	rt5514_dsp = devm_kzalloc(platform->dev, sizeof(*rt5514_dsp),
+	rt5514_dsp = devm_kzalloc(component->dev, sizeof(*rt5514_dsp),
 			GFP_KERNEL);
 
 	rt5514_dsp->dev = &rt5514_spi->dev;
 	mutex_init(&rt5514_dsp->dma_lock);
 	INIT_DELAYED_WORK(&rt5514_dsp->copy_work, rt5514_spi_copy_work);
-	snd_soc_platform_set_drvdata(platform, rt5514_dsp);
+	snd_soc_component_set_drvdata(component, rt5514_dsp);
 
 	if (rt5514_spi->irq) {
 		ret = devm_request_threaded_irq(&rt5514_spi->dev,
@@ -296,15 +301,12 @@ static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver rt5514_spi_platform = {
+static const struct snd_soc_component_driver rt5514_spi_component = {
+	.name  = DRV_NAME,
 	.probe = rt5514_spi_pcm_probe,
 	.ops = &rt5514_spi_pcm_ops,
 };
 
-static const struct snd_soc_component_driver rt5514_spi_dai_component = {
-	.name		= "rt5514-spi-dai",
-};
-
 /**
  * rt5514_spi_burst_read - Read data from SPI by rt5514 address.
  * @addr: Start address.
@@ -445,14 +447,8 @@ static int rt5514_spi_probe(struct spi_device *spi)
 
 	rt5514_spi = spi;
 
-	ret = devm_snd_soc_register_platform(&spi->dev, &rt5514_spi_platform);
-	if (ret < 0) {
-		dev_err(&spi->dev, "Failed to register platform.\n");
-		return ret;
-	}
-
 	ret = devm_snd_soc_register_component(&spi->dev,
-					      &rt5514_spi_dai_component,
+					      &rt5514_spi_component,
 					      &rt5514_spi_dai, 1);
 	if (ret < 0) {
 		dev_err(&spi->dev, "Failed to register component.\n");
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index fc066caa1918..a568050090ad 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -34,6 +34,8 @@
 #include "wm5102.h"
 #include "wm_adsp.h"
 
+#define DRV_NAME "wm5102-codec"
+
 struct wm5102_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -1910,7 +1912,8 @@ static struct snd_soc_dai_driver wm5102_dai[] = {
 static int wm5102_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct wm5102_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct wm5102_priv *priv = snd_soc_component_get_drvdata(component);
 
 	return wm_adsp_compr_open(&priv->core.adsp[0], stream);
 }
@@ -1992,6 +1995,16 @@ static unsigned int wm5102_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_5R,
 };
 
+static struct snd_compr_ops wm5102_compr_ops = {
+	.open		= wm5102_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	.probe = wm5102_codec_probe,
 	.remove = wm5102_codec_remove,
@@ -2002,6 +2015,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	.set_pll = wm5102_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &wm5102_compr_ops,
 		.controls		= wm5102_snd_controls,
 		.num_controls		= ARRAY_SIZE(wm5102_snd_controls),
 		.dapm_widgets		= wm5102_dapm_widgets,
@@ -2011,20 +2026,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5102 = {
 	},
 };
 
-static const struct snd_compr_ops wm5102_compr_ops = {
-	.open = wm5102_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver wm5102_compr_platform = {
-	.compr_ops = &wm5102_compr_ops,
-};
-
 static int wm5102_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -2109,23 +2110,15 @@ static int wm5102_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &wm5102_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm5102,
 				      wm5102_dai, ARRAY_SIZE(wm5102_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -2139,7 +2132,6 @@ static int wm5102_remove(struct platform_device *pdev)
 	struct wm5102_priv *wm5102 = platform_get_drvdata(pdev);
 	struct arizona *arizona = wm5102->core.arizona;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index fb0cf9c61f48..d5ece6c6fcb6 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -35,6 +35,8 @@
 
 #define WM5110_NUM_ADSP 4
 
+#define DRV_NAME "wm5110-codec"
+
 struct wm5110_priv {
 	struct arizona_priv core;
 	struct arizona_fll fll[2];
@@ -2229,7 +2231,8 @@ static struct snd_soc_dai_driver wm5110_dai[] = {
 static int wm5110_open(struct snd_compr_stream *stream)
 {
 	struct snd_soc_pcm_runtime *rtd = stream->private_data;
-	struct wm5110_priv *priv = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct wm5110_priv *priv = snd_soc_component_get_drvdata(component);
 	struct arizona *arizona = priv->core.arizona;
 	int n_adsp;
 
@@ -2346,6 +2349,16 @@ static unsigned int wm5110_digital_vu[] = {
 	ARIZONA_DAC_DIGITAL_VOLUME_6R,
 };
 
+static struct snd_compr_ops wm5110_compr_ops = {
+	.open		= wm5110_open,
+	.free		= wm_adsp_compr_free,
+	.set_params	= wm_adsp_compr_set_params,
+	.get_caps	= wm_adsp_compr_get_caps,
+	.trigger	= wm_adsp_compr_trigger,
+	.pointer	= wm_adsp_compr_pointer,
+	.copy		= wm_adsp_compr_copy,
+};
+
 static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	.probe = wm5110_codec_probe,
 	.remove = wm5110_codec_remove,
@@ -2356,6 +2369,8 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	.set_pll = wm5110_set_fll,
 
 	.component_driver = {
+		.name			= DRV_NAME,
+		.compr_ops		= &wm5110_compr_ops,
 		.controls		= wm5110_snd_controls,
 		.num_controls		= ARRAY_SIZE(wm5110_snd_controls),
 		.dapm_widgets		= wm5110_dapm_widgets,
@@ -2365,20 +2380,6 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm5110 = {
 	},
 };
 
-static const struct snd_compr_ops wm5110_compr_ops = {
-	.open = wm5110_open,
-	.free = wm_adsp_compr_free,
-	.set_params = wm_adsp_compr_set_params,
-	.get_caps = wm_adsp_compr_get_caps,
-	.trigger = wm_adsp_compr_trigger,
-	.pointer = wm_adsp_compr_pointer,
-	.copy = wm_adsp_compr_copy,
-};
-
-static const struct snd_soc_platform_driver wm5110_compr_platform = {
-	.compr_ops = &wm5110_compr_ops,
-};
-
 static int wm5110_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
@@ -2464,23 +2465,15 @@ static int wm5110_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_dsp_irq;
 
-	ret = snd_soc_register_platform(&pdev->dev, &wm5110_compr_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to register platform: %d\n", ret);
-		goto err_spk_irqs;
-	}
-
 	ret = snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm5110,
 				      wm5110_dai, ARRAY_SIZE(wm5110_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register codec: %d\n", ret);
-		goto err_platform;
+		goto err_spk_irqs;
 	}
 
 	return ret;
 
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_spk_irqs:
 	arizona_free_spk_irqs(arizona);
 err_dsp_irq:
@@ -2495,7 +2488,6 @@ static int wm5110_remove(struct platform_device *pdev)
 	struct arizona *arizona = wm5110->core.arizona;
 	int i;
 
-	snd_soc_unregister_platform(&pdev->dev);
 	snd_soc_unregister_codec(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index 384961651904..807040bb3921 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -34,6 +34,7 @@
 #include "edma-pcm.h"
 #include "davinci-i2s.h"
 
+#define DRV_NAME "davinci-i2s"
 
 /*
  * NOTE:  terminology here is confusing.
@@ -190,7 +191,7 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 		struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
 	u32 spcr;
 	u32 mask = playback ? DAVINCI_MCBSP_SPCR_XRST : DAVINCI_MCBSP_SPCR_RRST;
@@ -211,8 +212,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 	if (playback) {
 		/* Stop the DMA to avoid data loss */
 		/* while the transmitter is out of reset to handle XSYNCERR */
-		if (platform->driver->ops->trigger) {
-			int ret = platform->driver->ops->trigger(substream,
+		if (component->driver->ops->trigger) {
+			int ret = component->driver->ops->trigger(substream,
 				SNDRV_PCM_TRIGGER_STOP);
 			if (ret < 0)
 				printk(KERN_DEBUG "Playback DMA stop failed\n");
@@ -233,8 +234,8 @@ static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev,
 		toggle_clock(dev, playback);
 
 		/* Restart the DMA */
-		if (platform->driver->ops->trigger) {
-			int ret = platform->driver->ops->trigger(substream,
+		if (component->driver->ops->trigger) {
+			int ret = component->driver->ops->trigger(substream,
 				SNDRV_PCM_TRIGGER_START);
 			if (ret < 0)
 				printk(KERN_DEBUG "Playback DMA start failed\n");
@@ -651,7 +652,7 @@ static struct snd_soc_dai_driver davinci_i2s_dai = {
 };
 
 static const struct snd_soc_component_driver davinci_i2s_component = {
-	.name		= "davinci-i2s",
+	.name		= DRV_NAME,
 };
 
 static int davinci_i2s_probe(struct platform_device *pdev)
diff --git a/sound/soc/dwc/dwc-pcm.c b/sound/soc/dwc/dwc-pcm.c
index 406fd867117b..2cc9632024fc 100644
--- a/sound/soc/dwc/dwc-pcm.c
+++ b/sound/soc/dwc/dwc-pcm.c
@@ -269,7 +269,7 @@ static const struct snd_pcm_ops dw_pcm_ops = {
 	.pointer = dw_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver dw_pcm_platform = {
+static const struct snd_soc_component_driver dw_pcm_component = {
 	.pcm_new = dw_pcm_new,
 	.pcm_free = dw_pcm_free,
 	.ops = &dw_pcm_ops,
@@ -277,5 +277,6 @@ static const struct snd_soc_platform_driver dw_pcm_platform = {
 
 int dw_pcm_register(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &dw_pcm_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &dw_pcm_component,
+					       NULL, 0);
 }
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 806d39927318..adfb8135d739 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -582,10 +582,6 @@ static struct snd_soc_dai_driver fsl_asrc_dai = {
 	.ops = &fsl_asrc_dai_ops,
 };
 
-static const struct snd_soc_component_driver fsl_asrc_component = {
-	.name = "fsl-asrc-dai",
-};
-
 static bool fsl_asrc_readable_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
@@ -927,12 +923,6 @@ static int fsl_asrc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = devm_snd_soc_register_platform(&pdev->dev, &fsl_asrc_platform);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to register ASoC platform\n");
-		return ret;
-	}
-
 	return 0;
 }
 
diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h
index 2c5856ac5bc3..d558dd5499a5 100644
--- a/sound/soc/fsl/fsl_asrc.h
+++ b/sound/soc/fsl/fsl_asrc.h
@@ -462,6 +462,7 @@ struct fsl_asrc {
 	u32 regcache_cfg;
 };
 
-extern struct snd_soc_platform_driver fsl_asrc_platform;
+#define DRV_NAME "fsl-asrc-dai"
+extern struct snd_soc_component_driver fsl_asrc_component;
 struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair, bool dir);
 #endif /* _FSL_ASRC_H */
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index e1b97e59275a..565e16d8fe85 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -64,7 +64,8 @@ static int fsl_asrc_dma_prepare_and_submit(struct snd_pcm_substream *substream)
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_asrc_pair *pair = runtime->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	unsigned long flags = DMA_CTRL_ACK;
 
 	/* Prepare and submit Front-End DMA channel */
@@ -137,12 +138,13 @@ static int fsl_asrc_dma_hw_params(struct snd_pcm_substream *substream,
 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
 	struct snd_dmaengine_dai_dma_data *dma_params_fe = NULL;
 	struct snd_dmaengine_dai_dma_data *dma_params_be = NULL;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_asrc_pair *pair = runtime->private_data;
 	struct fsl_asrc *asrc_priv = pair->asrc_priv;
 	struct dma_slave_config config_fe, config_be;
 	enum asrc_pair_index index = pair->index;
-	struct device *dev = rtd->platform->dev;
+	struct device *dev = component->dev;
 	int stream = substream->stream;
 	struct imx_dma_data *tmp_data;
 	struct snd_soc_dpcm *dpcm;
@@ -274,7 +276,8 @@ static int fsl_asrc_dma_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct fsl_asrc *asrc_priv = dev_get_drvdata(dev);
 	struct fsl_asrc_pair *pair;
 
@@ -381,9 +384,10 @@ static void fsl_asrc_dma_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-struct snd_soc_platform_driver fsl_asrc_platform = {
+struct snd_soc_component_driver fsl_asrc_component = {
+	.name		= DRV_NAME,
 	.ops		= &fsl_asrc_dma_pcm_ops,
 	.pcm_new	= fsl_asrc_dma_pcm_new,
 	.pcm_free	= fsl_asrc_dma_pcm_free,
 };
-EXPORT_SYMBOL_GPL(fsl_asrc_platform);
+EXPORT_SYMBOL_GPL(fsl_asrc_component);
diff --git a/sound/soc/fsl/fsl_dma.c b/sound/soc/fsl/fsl_dma.c
index 8c2981b70f64..fce2010d3c53 100644
--- a/sound/soc/fsl/fsl_dma.c
+++ b/sound/soc/fsl/fsl_dma.c
@@ -37,6 +37,8 @@
 #include "fsl_dma.h"
 #include "fsl_ssi.h"	/* For the offset of stx0 and srx0 */
 
+#define DRV_NAME "fsl_dma"
+
 /*
  * The formats that the DMA controller supports, which is anything
  * that is 8, 16, or 32 bits.
@@ -56,7 +58,7 @@
 			    SNDRV_PCM_FMTBIT_U32_LE     | \
 			    SNDRV_PCM_FMTBIT_U32_BE)
 struct dma_object {
-	struct snd_soc_platform_driver dai;
+	struct snd_soc_component_driver dai;
 	dma_addr_t ssi_stx_phys;
 	dma_addr_t ssi_srx_phys;
 	unsigned int ssi_fifo_depth;
@@ -203,7 +205,8 @@ static irqreturn_t fsl_dma_isr(int irq, void *dev_id)
 	struct fsl_dma_private *dma_private = dev_id;
 	struct snd_pcm_substream *substream = dma_private->substream;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct ccsr_dma_channel __iomem *dma_channel = dma_private->dma_channel;
 	irqreturn_t ret = IRQ_NONE;
 	u32 sr, sr2 = 0;
@@ -385,9 +388,10 @@ static int fsl_dma_open(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct dma_object *dma =
-		container_of(rtd->platform->driver, struct dma_object, dai);
+		container_of(component->driver, struct dma_object, dai);
 	struct fsl_dma_private *dma_private;
 	struct ccsr_dma_channel __iomem *dma_channel;
 	dma_addr_t ld_buf_phys;
@@ -539,7 +543,8 @@ static int fsl_dma_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 
 	/* Number of bits per sample */
 	unsigned int sample_bits =
@@ -702,7 +707,8 @@ static snd_pcm_uframes_t fsl_dma_pointer(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct ccsr_dma_channel __iomem *dma_channel = dma_private->dma_channel;
 	dma_addr_t position;
 	snd_pcm_uframes_t frames;
@@ -799,9 +805,10 @@ static int fsl_dma_close(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct fsl_dma_private *dma_private = runtime->private_data;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct device *dev = rtd->platform->dev;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct device *dev = component->dev;
 	struct dma_object *dma =
-		container_of(rtd->platform->driver, struct dma_object, dai);
+		container_of(component->driver, struct dma_object, dai);
 
 	if (dma_private) {
 		if (dma_private->irq)
@@ -908,6 +915,7 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
+	dma->dai.name = DRV_NAME;
 	dma->dai.ops = &fsl_dma_ops;
 	dma->dai.pcm_new = fsl_dma_new;
 	dma->dai.pcm_free = fsl_dma_free_dma_buffers;
@@ -925,7 +933,7 @@ static int fsl_soc_dma_probe(struct platform_device *pdev)
 
 	of_node_put(ssi_np);
 
-	ret = snd_soc_register_platform(&pdev->dev, &dma->dai);
+	ret = devm_snd_soc_register_component(&pdev->dev, &dma->dai, NULL, 0);
 	if (ret) {
 		dev_err(&pdev->dev, "could not register platform\n");
 		kfree(dma);
@@ -944,7 +952,6 @@ static int fsl_soc_dma_remove(struct platform_device *pdev)
 {
 	struct dma_object *dma = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
 	iounmap(dma->channel);
 	irq_dispose_mapping(dma->irq);
 	kfree(dma);
diff --git a/sound/soc/fsl/imx-pcm-fiq.c b/sound/soc/fsl/imx-pcm-fiq.c
index 4e5fefee111e..0578f3486847 100644
--- a/sound/soc/fsl/imx-pcm-fiq.c
+++ b/sound/soc/fsl/imx-pcm-fiq.c
@@ -341,7 +341,7 @@ static void imx_pcm_fiq_free(struct snd_pcm *pcm)
 	imx_pcm_free(pcm);
 }
 
-static const struct snd_soc_platform_driver imx_soc_platform_fiq = {
+static const struct snd_soc_component_driver imx_soc_component_fiq = {
 	.ops		= &imx_pcm_ops,
 	.pcm_new	= imx_pcm_fiq_new,
 	.pcm_free	= imx_pcm_fiq_free,
@@ -368,7 +368,8 @@ int imx_pcm_fiq_init(struct platform_device *pdev,
 	params->dma_params_tx->maxburst = 4;
 	params->dma_params_rx->maxburst = 6;
 
-	ret = snd_soc_register_platform(&pdev->dev, &imx_soc_platform_fiq);
+	ret = devm_snd_soc_register_component(&pdev->dev, &imx_soc_component_fiq,
+					      NULL, 0);
 	if (ret)
 		goto failed_register;
 
@@ -384,7 +385,6 @@ EXPORT_SYMBOL_GPL(imx_pcm_fiq_init);
 
 void imx_pcm_fiq_exit(struct platform_device *pdev)
 {
-	snd_soc_unregister_platform(&pdev->dev);
 }
 EXPORT_SYMBOL_GPL(imx_pcm_fiq_exit);
 
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index e63029f1aabc..c1a4544eb16b 100644
--- a/sound/soc/fsl/mpc5200_dma.c
+++ b/sound/soc/fsl/mpc5200_dma.c
@@ -22,6 +22,8 @@
 
 #include "mpc5200_dma.h"
 
+#define DRV_NAME "mpc5200_dma"
+
 /*
  * Interrupt handlers
  */
@@ -300,12 +302,13 @@ static const struct snd_pcm_ops psc_dma_ops = {
 static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_card *card = rtd->card->snd_card;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_soc_dai *dai = rtd->cpu_dai;
 	struct snd_pcm *pcm = rtd->pcm;
 	size_t size = psc_dma_hardware.buffer_bytes_max;
 	int rc;
 
-	dev_dbg(rtd->platform->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
+	dev_dbg(component->dev, "psc_dma_new(card=%p, dai=%p, pcm=%p)\n",
 		card, dai, pcm);
 
 	rc = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
@@ -341,10 +344,11 @@ static int psc_dma_new(struct snd_soc_pcm_runtime *rtd)
 static void psc_dma_free(struct snd_pcm *pcm)
 {
 	struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct snd_pcm_substream *substream;
 	int stream;
 
-	dev_dbg(rtd->platform->dev, "psc_dma_free(pcm=%p)\n", pcm);
+	dev_dbg(component->dev, "psc_dma_free(pcm=%p)\n", pcm);
 
 	for (stream = 0; stream < 2; stream++) {
 		substream = pcm->streams[stream].substream;
@@ -356,7 +360,8 @@ static void psc_dma_free(struct snd_pcm *pcm)
 	}
 }
 
-static const struct snd_soc_platform_driver mpc5200_audio_dma_platform = {
+static const struct snd_soc_component_driver mpc5200_audio_dma_component = {
+	.name		= DRV_NAME,
 	.ops		= &psc_dma_ops,
 	.pcm_new	= &psc_dma_new,
 	.pcm_free	= &psc_dma_free,
@@ -468,7 +473,8 @@ int mpc5200_audio_dma_create(struct platform_device *op)
 	dev_set_drvdata(&op->dev, psc_dma);
 
 	/* Tell the ASoC OF helpers about it */
-	return snd_soc_register_platform(&op->dev, &mpc5200_audio_dma_platform);
+	return devm_snd_soc_register_component(&op->dev,
+					&mpc5200_audio_dma_component, NULL, 0);
 out_irq:
 	free_irq(psc_dma->irq, psc_dma);
 	free_irq(psc_dma->capture.irq, &psc_dma->capture);
@@ -487,8 +493,6 @@ int mpc5200_audio_dma_destroy(struct platform_device *op)
 
 	dev_dbg(&op->dev, "mpc5200_audio_dma_destroy()\n");
 
-	snd_soc_unregister_platform(&op->dev);
-
 	bcom_gen_bd_rx_release(psc_dma->capture.bcom_task);
 	bcom_gen_bd_tx_release(psc_dma->playback.bcom_task);
 
diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
index 0f3604b55942..3672d36b4b66 100644
--- a/sound/soc/intel/atom/sst-atom-controls.c
+++ b/sound/soc/intel/atom/sst-atom-controls.c
@@ -1414,11 +1414,11 @@ static int sst_fill_module_list(struct snd_kcontrol *kctl,
  * name. First part of control name contains the pipe name (widget name).
  */
 static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
-	struct snd_soc_platform *platform)
+	struct snd_soc_component *component)
 {
 	struct snd_kcontrol *kctl;
 	int index, ret = 0;
-	struct snd_card *card = platform->component.card->snd_card;
+	struct snd_card *card = component->card->snd_card;
 	char *idx;
 
 	down_read(&card->controls_rwsem);
@@ -1468,13 +1468,13 @@ static int sst_fill_widget_module_info(struct snd_soc_dapm_widget *w,
 /**
  * sst_fill_linked_widgets - fill the parent pointer for the linked widget
  */
-static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
+static void sst_fill_linked_widgets(struct snd_soc_component *component,
 						struct sst_ids *ids)
 {
 	struct snd_soc_dapm_widget *w;
 	unsigned int len = strlen(ids->parent_wname);
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (!strncmp(ids->parent_wname, w->name, len)) {
 			ids->parent_w = w;
 			break;
@@ -1485,41 +1485,41 @@ static void sst_fill_linked_widgets(struct snd_soc_platform *platform,
 /**
  * sst_map_modules_to_pipe - fill algo/gains list for all pipes
  */
-static int sst_map_modules_to_pipe(struct snd_soc_platform *platform)
+static int sst_map_modules_to_pipe(struct snd_soc_component *component)
 {
 	struct snd_soc_dapm_widget *w;
 	int ret = 0;
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (is_sst_dapm_widget(w) && (w->priv)) {
 			struct sst_ids *ids = w->priv;
 
-			dev_dbg(platform->dev, "widget type=%d name=%s\n",
+			dev_dbg(component->dev, "widget type=%d name=%s\n",
 					w->id, w->name);
 			INIT_LIST_HEAD(&ids->algo_list);
 			INIT_LIST_HEAD(&ids->gain_list);
-			ret = sst_fill_widget_module_info(w, platform);
+			ret = sst_fill_widget_module_info(w, component);
 
 			if (ret < 0)
 				return ret;
 
 			/* fill linked widgets */
 			if (ids->parent_wname !=  NULL)
-				sst_fill_linked_widgets(platform, ids);
+				sst_fill_linked_widgets(component, ids);
 		}
 	}
 	return 0;
 }
 
-int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
+int sst_dsp_init_v2_dpcm(struct snd_soc_component *component)
 {
 	int i, ret = 0;
 	struct snd_soc_dapm_context *dapm =
-			snd_soc_component_get_dapm(&platform->component);
-	struct sst_data *drv = snd_soc_platform_get_drvdata(platform);
+			snd_soc_component_get_dapm(component);
+	struct sst_data *drv = snd_soc_component_get_drvdata(component);
 	unsigned int gains = ARRAY_SIZE(sst_gain_controls)/3;
 
-	drv->byte_stream = devm_kzalloc(platform->dev,
+	drv->byte_stream = devm_kzalloc(component->dev,
 					SST_MAX_BIN_BYTES, GFP_KERNEL);
 	if (!drv->byte_stream)
 		return -ENOMEM;
@@ -1537,26 +1537,26 @@ int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform)
 		sst_gains[i].ramp_duration = SST_GAIN_RAMP_DURATION_DEFAULT;
 	}
 
-	ret = snd_soc_add_platform_controls(platform, sst_gain_controls,
+	ret = snd_soc_add_component_controls(component, sst_gain_controls,
 			ARRAY_SIZE(sst_gain_controls));
 	if (ret)
 		return ret;
 
 	/* Initialize algo control params */
-	ret = sst_algo_control_init(platform->dev);
+	ret = sst_algo_control_init(component->dev);
 	if (ret)
 		return ret;
-	ret = snd_soc_add_platform_controls(platform, sst_algo_controls,
+	ret = snd_soc_add_component_controls(component, sst_algo_controls,
 			ARRAY_SIZE(sst_algo_controls));
 	if (ret)
 		return ret;
 
-	ret = snd_soc_add_platform_controls(platform, sst_slot_controls,
+	ret = snd_soc_add_component_controls(component, sst_slot_controls,
 			ARRAY_SIZE(sst_slot_controls));
 	if (ret)
 		return ret;
 
-	ret = sst_map_modules_to_pipe(platform);
+	ret = sst_map_modules_to_pipe(component);
 
 	return ret;
 }
diff --git a/sound/soc/intel/atom/sst-mfld-platform-compress.c b/sound/soc/intel/atom/sst-mfld-platform-compress.c
index 1dbcab5a6ff0..6a44b19423cf 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-compress.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-compress.c
@@ -107,8 +107,8 @@ static int sst_platform_compr_set_params(struct snd_compr_stream *cstream,
 	struct snd_sst_params str_params;
 	struct sst_compress_cb cb;
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_data *ctx = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_data *ctx = snd_soc_component_get_drvdata(component);
 
 	stream = cstream->runtime->private_data;
 	/* construct fw structure for this*/
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 43e7fdd19f29..6c36da560877 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -697,26 +697,22 @@ static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return retval;
 }
 
-static int sst_soc_probe(struct snd_soc_platform *platform)
+static int sst_soc_probe(struct snd_soc_component *component)
 {
-	struct sst_data *drv = dev_get_drvdata(platform->dev);
+	struct sst_data *drv = dev_get_drvdata(component->dev);
 
-	drv->soc_card = platform->component.card;
-	return sst_dsp_init_v2_dpcm(platform);
+	drv->soc_card = component->card;
+	return sst_dsp_init_v2_dpcm(component);
 }
 
-static const struct snd_soc_platform_driver sst_soc_platform_drv  = {
+static const struct snd_soc_component_driver sst_soc_platform_drv  = {
+	.name		= DRV_NAME,
 	.probe		= sst_soc_probe,
 	.ops		= &sst_platform_ops,
 	.compr_ops	= &sst_platform_compr_ops,
 	.pcm_new	= sst_pcm_new,
 };
 
-static const struct snd_soc_component_driver sst_component = {
-	.name		= "sst",
-};
-
-
 static int sst_platform_probe(struct platform_device *pdev)
 {
 	struct sst_data *drv;
@@ -740,26 +736,16 @@ static int sst_platform_probe(struct platform_device *pdev)
 	mutex_init(&drv->lock);
 	dev_set_drvdata(&pdev->dev, drv);
 
-	ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv);
-	if (ret) {
-		dev_err(&pdev->dev, "registering soc platform failed\n");
-		return ret;
-	}
-
-	ret = snd_soc_register_component(&pdev->dev, &sst_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &sst_soc_platform_drv,
 				sst_platform_dai, ARRAY_SIZE(sst_platform_dai));
-	if (ret) {
+	if (ret)
 		dev_err(&pdev->dev, "registering cpu dais failed\n");
-		snd_soc_unregister_platform(&pdev->dev);
-	}
+
 	return ret;
 }
 
 static int sst_platform_remove(struct platform_device *pdev)
 {
-
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 	dev_dbg(&pdev->dev, "sst_platform_remove success\n");
 	return 0;
 }
diff --git a/sound/soc/intel/atom/sst-mfld-platform.h b/sound/soc/intel/atom/sst-mfld-platform.h
index 31a58c25472c..5f729df57bb5 100644
--- a/sound/soc/intel/atom/sst-mfld-platform.h
+++ b/sound/soc/intel/atom/sst-mfld-platform.h
@@ -27,6 +27,8 @@
 extern struct sst_device *sst;
 extern const struct snd_compr_ops sst_platform_compr_ops;
 
+#define DRV_NAME "sst"
+
 #define SST_MONO		1
 #define SST_STEREO		2
 #define SST_MAX_CAP		5
@@ -155,7 +157,7 @@ struct sst_device {
 
 struct sst_data;
 
-int sst_dsp_init_v2_dpcm(struct snd_soc_platform *platform);
+int sst_dsp_init_v2_dpcm(struct snd_soc_component *component);
 int sst_send_pipe_gains(struct snd_soc_dai *dai, int stream, int mute);
 int send_ssp_cmd(struct snd_soc_dai *dai, const char *id, bool enable);
 int sst_handle_vb_timer(struct snd_soc_dai *dai, bool enable);
diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
index c54529320f07..aabb35bf6b96 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
@@ -23,6 +23,7 @@
 #include "../common/sst-dsp-priv.h"
 #include "../common/sst-dsp.h"
 
+#define DRV_NAME "byt-dai"
 #define BYT_PCM_COUNT		2
 
 static const struct snd_pcm_hardware sst_byt_pcm_hardware = {
@@ -69,8 +70,8 @@ static int sst_byt_pcm_hw_params(struct snd_pcm_substream *substream,
 				 struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	u32 rate, bits;
@@ -141,8 +142,8 @@ static int sst_byt_pcm_hw_free(struct snd_pcm_substream *substream)
 static int sst_byt_pcm_restore_stream_context(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	int ret;
@@ -174,8 +175,8 @@ static void sst_byt_pcm_work(struct work_struct *work)
 static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 
@@ -216,8 +217,8 @@ static u32 byt_notify_pointer(struct sst_byt_stream *stream, void *data)
 	struct snd_pcm_substream *substream = pcm_data->substream;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt *byt = pdata->byt;
 	u32 pos, hw_pos;
 
@@ -238,8 +239,8 @@ static snd_pcm_uframes_t sst_byt_pcm_pointer(struct snd_pcm_substream *substream
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 
 	dev_dbg(rtd->dev, "PCM: DMA pointer %u bytes\n", pcm_data->hw_ptr);
@@ -250,8 +251,8 @@ static snd_pcm_uframes_t sst_byt_pcm_pointer(struct snd_pcm_substream *substream
 static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 
@@ -278,8 +279,8 @@ static int sst_byt_pcm_open(struct snd_pcm_substream *substream)
 static int sst_byt_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct sst_byt_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_byt_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_byt_pcm_data *pcm_data = &pdata->pcm[substream->stream];
 	struct sst_byt *byt = pdata->byt;
 	int ret;
@@ -324,8 +325,8 @@ static int sst_byt_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm *pcm = rtd->pcm;
 	size_t size;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	int ret = 0;
 
 	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
@@ -366,21 +367,21 @@ static struct snd_soc_dai_driver byt_dais[] = {
 	},
 };
 
-static int sst_byt_pcm_probe(struct snd_soc_platform *platform)
+static int sst_byt_pcm_probe(struct snd_soc_component *component)
 {
-	struct sst_pdata *plat_data = dev_get_platdata(platform->dev);
+	struct sst_pdata *plat_data = dev_get_platdata(component->dev);
 	struct sst_byt_priv_data *priv_data;
 	int i;
 
 	if (!plat_data)
 		return -ENODEV;
 
-	priv_data = devm_kzalloc(platform->dev, sizeof(*priv_data),
+	priv_data = devm_kzalloc(component->dev, sizeof(*priv_data),
 				 GFP_KERNEL);
 	if (!priv_data)
 		return -ENOMEM;
 	priv_data->byt = plat_data->dsp;
-	snd_soc_platform_set_drvdata(platform, priv_data);
+	snd_soc_component_set_drvdata(component, priv_data);
 
 	for (i = 0; i < BYT_PCM_COUNT; i++) {
 		mutex_init(&priv_data->pcm[i].mutex);
@@ -390,22 +391,13 @@ static int sst_byt_pcm_probe(struct snd_soc_platform *platform)
 	return 0;
 }
 
-static int sst_byt_pcm_remove(struct snd_soc_platform *platform)
-{
-	return 0;
-}
-
-static const struct snd_soc_platform_driver byt_soc_platform = {
+static const struct snd_soc_component_driver byt_dai_component = {
+	.name		= DRV_NAME,
 	.probe		= sst_byt_pcm_probe,
-	.remove		= sst_byt_pcm_remove,
 	.ops		= &sst_byt_pcm_ops,
 	.pcm_new	= sst_byt_pcm_new,
 };
 
-static const struct snd_soc_component_driver byt_dai_component = {
-	.name		= "byt-dai",
-};
-
 #ifdef CONFIG_PM
 static int sst_byt_pcm_dev_suspend_late(struct device *dev)
 {
@@ -461,19 +453,13 @@ static int sst_byt_pcm_dev_probe(struct platform_device *pdev)
 	if (ret < 0)
 		return -ENODEV;
 
-	ret = snd_soc_register_platform(&pdev->dev, &byt_soc_platform);
-	if (ret < 0)
-		goto err_plat;
-
-	ret = snd_soc_register_component(&pdev->dev, &byt_dai_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &byt_dai_component,
 					 byt_dais, ARRAY_SIZE(byt_dais));
 	if (ret < 0)
-		goto err_comp;
+		goto err_plat;
 
 	return 0;
 
-err_comp:
-	snd_soc_unregister_platform(&pdev->dev);
 err_plat:
 	sst_byt_dsp_free(&pdev->dev, sst_pdata);
 	return ret;
@@ -483,8 +469,6 @@ static int sst_byt_pcm_dev_remove(struct platform_device *pdev)
 {
 	struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
 	sst_byt_dsp_free(&pdev->dev, sst_pdata);
 
 	return 0;
diff --git a/sound/soc/intel/boards/bdw-rt5677.c b/sound/soc/intel/boards/bdw-rt5677.c
index 058b8ccedf02..8999f8de119c 100644
--- a/sound/soc/intel/boards/bdw-rt5677.c
+++ b/sound/soc/intel/boards/bdw-rt5677.c
@@ -183,7 +183,8 @@ static const struct snd_soc_ops bdw_rt5677_ops = {
 
 static int bdw_rt5677_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *broadwell = pdata->dsp;
 	int ret;
 
diff --git a/sound/soc/intel/boards/broadwell.c b/sound/soc/intel/boards/broadwell.c
index 6dcbbcefc25b..249b8a3290b8 100644
--- a/sound/soc/intel/boards/broadwell.c
+++ b/sound/soc/intel/boards/broadwell.c
@@ -132,7 +132,8 @@ static const struct snd_soc_ops broadwell_rt286_ops = {
 
 static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *broadwell = pdata->dsp;
 	int ret;
 
diff --git a/sound/soc/intel/boards/haswell.c b/sound/soc/intel/boards/haswell.c
index 3c5160779204..eab1f439dd3f 100644
--- a/sound/soc/intel/boards/haswell.c
+++ b/sound/soc/intel/boards/haswell.c
@@ -87,7 +87,8 @@ static const struct snd_soc_ops haswell_rt5640_ops = {
 
 static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd)
 {
-	struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct sst_hsw *haswell = pdata->dsp;
 	int ret;
 
diff --git a/sound/soc/intel/haswell/sst-haswell-ipc.h b/sound/soc/intel/haswell/sst-haswell-ipc.h
index 06d71aefa1fe..fbc14df139e4 100644
--- a/sound/soc/intel/haswell/sst-haswell-ipc.h
+++ b/sound/soc/intel/haswell/sst-haswell-ipc.h
@@ -22,6 +22,8 @@
 #include <linux/platform_device.h>
 #include <sound/asound.h>
 
+#define DRV_NAME "haswell-dai"
+
 #define SST_HSW_NO_CHANNELS		4
 #define SST_HSW_MAX_DX_REGIONS		14
 #define SST_HSW_DX_CONTEXT_SIZE        (640 * 1024)
diff --git a/sound/soc/intel/haswell/sst-haswell-pcm.c b/sound/soc/intel/haswell/sst-haswell-pcm.c
index c044400540ec..fe2c826e710c 100644
--- a/sound/soc/intel/haswell/sst-haswell-pcm.c
+++ b/sound/soc/intel/haswell/sst-haswell-pcm.c
@@ -181,11 +181,11 @@ static inline unsigned int hsw_ipc_to_mixer(u32 value)
 static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
@@ -230,11 +230,11 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
 static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 	struct soc_mixer_control *mc =
 		(struct soc_mixer_control *)kcontrol->private_value;
 	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
@@ -273,8 +273,8 @@ static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
 static int hsw_volume_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 volume;
 
@@ -302,8 +302,8 @@ static int hsw_volume_put(struct snd_kcontrol *kcontrol,
 static int hsw_volume_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	unsigned int volume = 0;
 
@@ -322,8 +322,8 @@ static int hsw_volume_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
 
@@ -336,8 +336,8 @@ static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret = 0;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
@@ -370,8 +370,8 @@ static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol,
 static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 
 	/* return a matching line from param buffer */
@@ -381,8 +381,8 @@ static int hsw_waves_param_get(struct snd_kcontrol *kcontrol,
 static int hsw_waves_param_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol);
-	struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform);
+	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret;
 	enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES;
@@ -472,8 +472,8 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	struct sst_module *module_data;
@@ -674,8 +674,8 @@ static int hsw_pcm_hw_free(struct snd_pcm_substream *substream)
 static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw_stream *sst_stream;
 	struct sst_hsw *hsw = pdata->hsw;
@@ -718,8 +718,8 @@ static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data)
 	struct snd_pcm_substream *substream = pcm_data->substream;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct sst_hsw *hsw = pdata->hsw;
 	u32 pos;
 	snd_pcm_uframes_t position = bytes_to_frames(runtime,
@@ -783,8 +783,8 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	snd_pcm_uframes_t offset;
@@ -807,8 +807,8 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
 static int hsw_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	int dai;
@@ -840,8 +840,8 @@ static int hsw_pcm_open(struct snd_pcm_substream *substream)
 static int hsw_pcm_close(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct hsw_priv_data *pdata =
-		snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(component);
 	struct hsw_pcm_data *pcm_data;
 	struct sst_hsw *hsw = pdata->hsw;
 	int ret, dai;
@@ -942,9 +942,9 @@ static void hsw_pcm_free_modules(struct hsw_priv_data *pdata)
 static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm *pcm = rtd->pcm;
-	struct snd_soc_platform *platform = rtd->platform;
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
-	struct hsw_priv_data *priv_data = dev_get_drvdata(platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
+	struct hsw_priv_data *priv_data = dev_get_drvdata(component->dev);
 	struct device *dev = pdata->dma_dev;
 	int ret = 0;
 
@@ -1052,23 +1052,23 @@ static const struct snd_soc_dapm_route graph[] = {
 	{"Analog Capture", NULL, "SSP0 CODEC IN"},
 };
 
-static int hsw_pcm_probe(struct snd_soc_platform *platform)
+static int hsw_pcm_probe(struct snd_soc_component *component)
 {
-	struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform);
-	struct sst_pdata *pdata = dev_get_platdata(platform->dev);
+	struct hsw_priv_data *priv_data = snd_soc_component_get_drvdata(component);
+	struct sst_pdata *pdata = dev_get_platdata(component->dev);
 	struct device *dma_dev, *dev;
 	int i, ret = 0;
 
 	if (!pdata)
 		return -ENODEV;
 
-	dev = platform->dev;
+	dev = component->dev;
 	dma_dev = pdata->dma_dev;
 
 	priv_data->hsw = pdata->dsp;
-	priv_data->dev = platform->dev;
+	priv_data->dev = dev;
 	priv_data->pm_state = HSW_PM_STATE_D0;
-	priv_data->soc_card = platform->component.card;
+	priv_data->soc_card = component->card;
 
 	/* allocate DSP buffer page tables */
 	for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
@@ -1098,11 +1098,10 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform)
 		goto err;
 
 	/* enable runtime PM with auto suspend */
-	pm_runtime_set_autosuspend_delay(platform->dev,
-		SST_RUNTIME_SUSPEND_DELAY);
-	pm_runtime_use_autosuspend(platform->dev);
-	pm_runtime_enable(platform->dev);
-	pm_runtime_idle(platform->dev);
+	pm_runtime_set_autosuspend_delay(dev, SST_RUNTIME_SUSPEND_DELAY);
+	pm_runtime_use_autosuspend(dev);
+	pm_runtime_enable(dev);
+	pm_runtime_idle(dev);
 
 	return 0;
 
@@ -1116,13 +1115,13 @@ err:
 	return ret;
 }
 
-static int hsw_pcm_remove(struct snd_soc_platform *platform)
+static void hsw_pcm_remove(struct snd_soc_component *component)
 {
 	struct hsw_priv_data *priv_data =
-		snd_soc_platform_get_drvdata(platform);
+		snd_soc_component_get_drvdata(component);
 	int i;
 
-	pm_runtime_disable(platform->dev);
+	pm_runtime_disable(component->dev);
 	hsw_pcm_free_modules(priv_data);
 
 	for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
@@ -1131,24 +1130,19 @@ static int hsw_pcm_remove(struct snd_soc_platform *platform)
 		if (hsw_dais[i].capture.channels_min)
 			snd_dma_free_pages(&priv_data->dmab[i][1]);
 	}
-
-	return 0;
 }
 
-static const struct snd_soc_platform_driver hsw_soc_platform = {
+static const struct snd_soc_component_driver hsw_dai_component = {
+	.name		= DRV_NAME,
 	.probe		= hsw_pcm_probe,
 	.remove		= hsw_pcm_remove,
 	.ops		= &hsw_pcm_ops,
 	.pcm_new	= hsw_pcm_new,
-};
-
-static const struct snd_soc_component_driver hsw_dai_component = {
-	.name = "haswell-dai",
-	.controls = hsw_volume_controls,
-	.num_controls = ARRAY_SIZE(hsw_volume_controls),
-	.dapm_widgets = widgets,
+	.controls	= hsw_volume_controls,
+	.num_controls	= ARRAY_SIZE(hsw_volume_controls),
+	.dapm_widgets	= widgets,
 	.num_dapm_widgets = ARRAY_SIZE(widgets),
-	.dapm_routes = graph,
+	.dapm_routes	= graph,
 	.num_dapm_routes = ARRAY_SIZE(graph),
 };
 
@@ -1172,19 +1166,13 @@ static int hsw_pcm_dev_probe(struct platform_device *pdev)
 	priv_data->hsw = sst_pdata->dsp;
 	platform_set_drvdata(pdev, priv_data);
 
-	ret = snd_soc_register_platform(&pdev->dev, &hsw_soc_platform);
-	if (ret < 0)
-		goto err_plat;
-
-	ret = snd_soc_register_component(&pdev->dev, &hsw_dai_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &hsw_dai_component,
 		hsw_dais, ARRAY_SIZE(hsw_dais));
 	if (ret < 0)
-		goto err_comp;
+		goto err_plat;
 
 	return 0;
 
-err_comp:
-	snd_soc_unregister_platform(&pdev->dev);
 err_plat:
 	sst_hsw_dsp_free(&pdev->dev, sst_pdata);
 	return 0;
@@ -1194,8 +1182,6 @@ static int hsw_pcm_dev_remove(struct platform_device *pdev)
 {
 	struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
 	sst_hsw_dsp_free(&pdev->dev, sst_pdata);
 
 	return 0;
diff --git a/sound/soc/intel/skylake/skl-debug.c b/sound/soc/intel/skylake/skl-debug.c
index dc20d91f62e6..a016455a6ddb 100644
--- a/sound/soc/intel/skylake/skl-debug.c
+++ b/sound/soc/intel/skylake/skl-debug.c
@@ -231,7 +231,7 @@ struct skl_debug *skl_debugfs_init(struct skl *skl)
 
 	/* create the debugfs dir with platform component's debugfs as parent */
 	d->fs = debugfs_create_dir("dsp",
-				   skl->platform->component.debugfs_root);
+				   skl->component->debugfs_root);
 	if (IS_ERR(d->fs) || !d->fs) {
 		dev_err(&skl->pci->dev, "debugfs root creation failed\n");
 		return NULL;
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index e46828533826..36a521562cf7 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1313,23 +1313,23 @@ static int skl_populate_modules(struct skl *skl)
 	return ret;
 }
 
-static int skl_platform_soc_probe(struct snd_soc_platform *platform)
+static int skl_platform_soc_probe(struct snd_soc_component *component)
 {
-	struct hdac_ext_bus *ebus = dev_get_drvdata(platform->dev);
+	struct hdac_ext_bus *ebus = dev_get_drvdata(component->dev);
 	struct skl *skl = ebus_to_skl(ebus);
 	const struct skl_dsp_ops *ops;
 	int ret;
 
-	pm_runtime_get_sync(platform->dev);
+	pm_runtime_get_sync(component->dev);
 	if ((ebus_to_hbus(ebus))->ppcap) {
-		skl->platform = platform;
+		skl->component = component;
 
 		/* init debugfs */
 		skl->debugfs = skl_debugfs_init(skl);
 
-		ret = skl_tplg_init(platform, ebus);
+		ret = skl_tplg_init(component, ebus);
 		if (ret < 0) {
-			dev_err(platform->dev, "Failed to init topology!\n");
+			dev_err(component->dev, "Failed to init topology!\n");
 			return ret;
 		}
 
@@ -1339,17 +1339,17 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
 			return -EIO;
 
 		if (skl->skl_sst->is_first_boot == false) {
-			dev_err(platform->dev, "DSP reports first boot done!!!\n");
+			dev_err(component->dev, "DSP reports first boot done!!!\n");
 			return -EIO;
 		}
 
 		/* disable dynamic clock gating during fw and lib download */
-		skl->skl_sst->enable_miscbdcge(platform->dev, false);
+		skl->skl_sst->enable_miscbdcge(component->dev, false);
 
-		ret = ops->init_fw(platform->dev, skl->skl_sst);
-		skl->skl_sst->enable_miscbdcge(platform->dev, true);
+		ret = ops->init_fw(component->dev, skl->skl_sst);
+		skl->skl_sst->enable_miscbdcge(component->dev, true);
 		if (ret < 0) {
-			dev_err(platform->dev, "Failed to boot first fw: %d\n", ret);
+			dev_err(component->dev, "Failed to boot first fw: %d\n", ret);
 			return ret;
 		}
 		skl_populate_modules(skl);
@@ -1362,22 +1362,20 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
 					skl->cfg.astate_cfg);
 		}
 	}
-	pm_runtime_mark_last_busy(platform->dev);
-	pm_runtime_put_autosuspend(platform->dev);
+	pm_runtime_mark_last_busy(component->dev);
+	pm_runtime_put_autosuspend(component->dev);
 
 	return 0;
 }
-static const struct snd_soc_platform_driver skl_platform_drv  = {
+
+static const struct snd_soc_component_driver skl_component  = {
+	.name		= "pcm",
 	.probe		= skl_platform_soc_probe,
 	.ops		= &skl_platform_ops,
 	.pcm_new	= skl_pcm_new,
 	.pcm_free	= skl_pcm_free,
 };
 
-static const struct snd_soc_component_driver skl_component = {
-	.name           = "pcm",
-};
-
 int skl_platform_register(struct device *dev)
 {
 	int ret;
@@ -1389,12 +1387,6 @@ int skl_platform_register(struct device *dev)
 	INIT_LIST_HEAD(&skl->ppl_list);
 	INIT_LIST_HEAD(&skl->bind_list);
 
-	ret = snd_soc_register_platform(dev, &skl_platform_drv);
-	if (ret) {
-		dev_err(dev, "soc platform registration failed %d\n", ret);
-		return ret;
-	}
-
 	skl->dais = kmemdup(skl_platform_dai, sizeof(skl_platform_dai),
 			    GFP_KERNEL);
 	if (!skl->dais) {
@@ -1416,18 +1408,12 @@ int skl_platform_register(struct device *dev)
 		num_dais += ARRAY_SIZE(skl_fe_dai);
 	}
 
-	ret = snd_soc_register_component(dev, &skl_component,
+	ret = devm_snd_soc_register_component(dev, &skl_component,
 					 skl->dais, num_dais);
-	if (ret) {
+	if (ret)
 		dev_err(dev, "soc component registration failed %d\n", ret);
-		goto err;
-	}
-
-	return 0;
 err:
-	snd_soc_unregister_platform(dev);
 	return ret;
-
 }
 
 int skl_platform_unregister(struct device *dev)
@@ -1443,8 +1429,6 @@ int skl_platform_unregister(struct device *dev)
 		}
 	}
 
-	snd_soc_unregister_component(dev);
-	snd_soc_unregister_platform(dev);
 	kfree(skl->dais);
 
 	return 0;
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 73af6e19ebbd..515e4b6d1950 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -2710,15 +2710,15 @@ static int skl_tplg_get_pvt_data(struct snd_soc_tplg_dapm_widget *tplg_w,
 	return 0;
 }
 
-static void skl_clear_pin_config(struct snd_soc_platform *platform,
+static void skl_clear_pin_config(struct snd_soc_component *component,
 				struct snd_soc_dapm_widget *w)
 {
 	int i;
 	struct skl_module_cfg *mconfig;
 	struct skl_pipe *pipe;
 
-	if (!strncmp(w->dapm->component->name, platform->component.name,
-					strlen(platform->component.name))) {
+	if (!strncmp(w->dapm->component->name, component->name,
+					strlen(component->name))) {
 		mconfig = w->priv;
 		pipe = mconfig->pipe;
 		for (i = 0; i < mconfig->module->max_input_pins; i++) {
@@ -2737,14 +2737,14 @@ static void skl_clear_pin_config(struct snd_soc_platform *platform,
 void skl_cleanup_resources(struct skl *skl)
 {
 	struct skl_sst *ctx = skl->skl_sst;
-	struct snd_soc_platform *soc_platform = skl->platform;
+	struct snd_soc_component *soc_component = skl->component;
 	struct snd_soc_dapm_widget *w;
 	struct snd_soc_card *card;
 
-	if (soc_platform == NULL)
+	if (soc_component == NULL)
 		return;
 
-	card = soc_platform->component.card;
+	card = soc_component->card;
 	if (!card || !card->instantiated)
 		return;
 
@@ -2753,7 +2753,7 @@ void skl_cleanup_resources(struct skl *skl)
 
 	list_for_each_entry(w, &card->widgets, list) {
 		if (is_skl_dsp_widget_type(w) && (w->priv != NULL))
-			skl_clear_pin_config(soc_platform, w);
+			skl_clear_pin_config(soc_component, w);
 	}
 
 	skl_clear_module_cnt(ctx->dsp);
@@ -3400,19 +3400,19 @@ static struct snd_soc_tplg_ops skl_tplg_ops  = {
  * widgets in a pipelines, so this helper - skl_tplg_create_pipe_widget_list()
  * helps to get the SKL type widgets in that pipeline
  */
-static int skl_tplg_create_pipe_widget_list(struct snd_soc_platform *platform)
+static int skl_tplg_create_pipe_widget_list(struct snd_soc_component *component)
 {
 	struct snd_soc_dapm_widget *w;
 	struct skl_module_cfg *mcfg = NULL;
 	struct skl_pipe_module *p_module = NULL;
 	struct skl_pipe *pipe;
 
-	list_for_each_entry(w, &platform->component.card->widgets, list) {
+	list_for_each_entry(w, &component->card->widgets, list) {
 		if (is_skl_dsp_widget_type(w) && w->priv != NULL) {
 			mcfg = w->priv;
 			pipe = mcfg->pipe;
 
-			p_module = devm_kzalloc(platform->dev,
+			p_module = devm_kzalloc(component->dev,
 						sizeof(*p_module), GFP_KERNEL);
 			if (!p_module)
 				return -ENOMEM;
@@ -3455,7 +3455,7 @@ static void skl_tplg_set_pipe_type(struct skl *skl, struct skl_pipe *pipe)
 /*
  * SKL topology init routine
  */
-int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
+int skl_tplg_init(struct snd_soc_component *component, struct hdac_ext_bus *ebus)
 {
 	int ret;
 	const struct firmware *fw;
@@ -3479,7 +3479,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
 	 * The complete tplg for SKL is loaded as index 0, we don't use
 	 * any other index
 	 */
-	ret = snd_soc_tplg_component_load(&platform->component,
+	ret = snd_soc_tplg_component_load(component,
 					&skl_tplg_ops, fw, 0);
 	if (ret < 0) {
 		dev_err(bus->dev, "tplg component load failed%d\n", ret);
@@ -3491,7 +3491,7 @@ int skl_tplg_init(struct snd_soc_platform *platform, struct hdac_ext_bus *ebus)
 	skl->resource.max_mem = SKL_FW_MAX_MEM;
 
 	skl->tplg = fw;
-	ret = skl_tplg_create_pipe_widget_list(platform);
+	ret = skl_tplg_create_pipe_widget_list(component);
 	if (ret < 0)
 		return ret;
 
diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
index b6496513fe55..87c946835705 100644
--- a/sound/soc/intel/skylake/skl-topology.h
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -460,7 +460,7 @@ int skl_dsp_set_dma_control(struct skl_sst *ctx, u32 *caps,
 			u32 caps_size, u32 node_id);
 void skl_tplg_set_be_dmic_config(struct snd_soc_dai *dai,
 	struct skl_pipe_params *params, int stream);
-int skl_tplg_init(struct snd_soc_platform *platform,
+int skl_tplg_init(struct snd_soc_component *component,
 				struct hdac_ext_bus *ebus);
 struct skl_module_cfg *skl_tplg_fe_get_cpr_module(
 		struct snd_soc_dai *dai, int stream);
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index 2d13f3fd988a..ca46ad1d0a08 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -74,7 +74,7 @@ struct skl {
 	struct platform_device *dmic_dev;
 	struct platform_device *i2s_dev;
 	struct platform_device *clk_dev;
-	struct snd_soc_platform *platform;
+	struct snd_soc_component *component;
 	struct snd_soc_dai_driver *dais;
 
 	struct nhlt_acpi_table *nhlt; /* nhlt ptr */
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index 505b0ff03c3b..c6a58520d377 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -318,7 +318,8 @@ static void kirkwood_dma_free_dma_buffers(struct snd_pcm *pcm)
 	}
 }
 
-const struct snd_soc_platform_driver kirkwood_soc_platform = {
+const struct snd_soc_component_driver kirkwood_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &kirkwood_dma_ops,
 	.pcm_new	= kirkwood_dma_new,
 	.pcm_free	= kirkwood_dma_free_dma_buffers,
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 105a73cc5158..9a2777b72dcd 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -26,8 +26,6 @@
 
 #include "kirkwood.h"
 
-#define DRV_NAME	"mvebu-audio"
-
 #define KIRKWOOD_I2S_FORMATS \
 	(SNDRV_PCM_FMTBIT_S16_LE | \
 	 SNDRV_PCM_FMTBIT_S24_LE | \
@@ -524,10 +522,6 @@ static struct snd_soc_dai_driver kirkwood_i2s_dai_extclk[2] = {
     },
 };
 
-static const struct snd_soc_component_driver kirkwood_i2s_component = {
-	.name		= DRV_NAME,
-};
-
 static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 {
 	struct kirkwood_asoc_platform_data *data = pdev->dev.platform_data;
@@ -601,24 +595,17 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
 		priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_128;
 	}
 
-	err = snd_soc_register_component(&pdev->dev, &kirkwood_i2s_component,
+	err = devm_snd_soc_register_component(&pdev->dev, &kirkwood_soc_component,
 					 soc_dai, 2);
 	if (err) {
 		dev_err(&pdev->dev, "snd_soc_register_component failed\n");
 		goto err_component;
 	}
 
-	err = snd_soc_register_platform(&pdev->dev, &kirkwood_soc_platform);
-	if (err) {
-		dev_err(&pdev->dev, "snd_soc_register_platform failed\n");
-		goto err_platform;
-	}
-
 	kirkwood_i2s_init(priv);
 
 	return 0;
- err_platform:
-	snd_soc_unregister_component(&pdev->dev);
+
  err_component:
 	if (!IS_ERR(priv->extclk))
 		clk_disable_unprepare(priv->extclk);
@@ -631,9 +618,6 @@ static int kirkwood_i2s_dev_remove(struct platform_device *pdev)
 {
 	struct kirkwood_dma_data *priv = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
-
 	if (!IS_ERR(priv->extclk))
 		clk_disable_unprepare(priv->extclk);
 	clk_disable_unprepare(priv->clk);
diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h
index 783cb1a4f30e..c13ee5f69446 100644
--- a/sound/soc/kirkwood/kirkwood.h
+++ b/sound/soc/kirkwood/kirkwood.h
@@ -12,6 +12,8 @@
 #ifndef _KIRKWOOD_AUDIO_H
 #define _KIRKWOOD_AUDIO_H
 
+#define DRV_NAME	"mvebu-audio"
+
 #define KIRKWOOD_RECORD_WIN			0
 #define KIRKWOOD_PLAYBACK_WIN			1
 #define KIRKWOOD_MAX_AUDIO_WIN			2
@@ -143,6 +145,6 @@ struct kirkwood_dma_data {
 	int burst;
 };
 
-extern const struct snd_soc_platform_driver kirkwood_soc_platform;
+extern const struct snd_soc_component_driver kirkwood_soc_component;
 
 #endif
diff --git a/sound/soc/mediatek/common/mtk-afe-fe-dai.c b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
index ac231d33d8fe..c91e5f4cd902 100644
--- a/sound/soc/mediatek/common/mtk-afe-fe-dai.c
+++ b/sound/soc/mediatek/common/mtk-afe-fe-dai.c
@@ -18,6 +18,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <sound/soc.h>
+#include "mtk-afe-platform-driver.h"
 #include "mtk-afe-fe-dai.h"
 #include "mtk-base-afe.h"
 
@@ -43,7 +44,8 @@ int mtk_afe_fe_startup(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	int memif_num = rtd->cpu_dai->id;
 	struct mtk_base_afe_memif *memif = &afe->memif[memif_num];
@@ -105,7 +107,8 @@ void mtk_afe_fe_shutdown(struct snd_pcm_substream *substream,
 			 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int irq_id;
 
@@ -128,7 +131,8 @@ int mtk_afe_fe_hw_params(struct snd_pcm_substream *substream,
 			 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int msb_at_bit33 = 0;
 	int ret, fs = 0;
@@ -192,7 +196,8 @@ int mtk_afe_fe_trigger(struct snd_pcm_substream *substream, int cmd,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	struct mtk_base_afe_irq *irqs = &afe->irqs[memif->irq_usage];
 	const struct mtk_base_irq_data *irq_data = irqs->irq_data;
@@ -255,7 +260,8 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
 		       struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd  = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int hd_audio = 0;
 
diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.c b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
index 82d439c15f4e..53215b52e4f2 100644
--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.c
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.c
@@ -25,7 +25,8 @@ static snd_pcm_uframes_t mtk_afe_pcm_pointer
 			 (struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	const struct mtk_base_memif_data *memif_data = memif->data;
 	struct regmap *regmap = afe->regmap;
@@ -65,7 +66,8 @@ static int mtk_afe_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	size_t size;
 	struct snd_card *card = rtd->card->snd_card;
 	struct snd_pcm *pcm = rtd->pcm;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	size = afe->mtk_afe_hardware->buffer_bytes_max;
 	return snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
@@ -77,7 +79,8 @@ static void mtk_afe_pcm_free(struct snd_pcm *pcm)
 	snd_pcm_lib_preallocate_free_for_all(pcm);
 }
 
-const struct snd_soc_platform_driver mtk_afe_pcm_platform = {
+const struct snd_soc_component_driver mtk_afe_pcm_platform = {
+	.name = AFE_PCM_NAME,
 	.ops = &mtk_afe_pcm_ops,
 	.pcm_new = mtk_afe_pcm_new,
 	.pcm_free = mtk_afe_pcm_free,
diff --git a/sound/soc/mediatek/common/mtk-afe-platform-driver.h b/sound/soc/mediatek/common/mtk-afe-platform-driver.h
index a973fc9253b4..8dcdbed959ea 100644
--- a/sound/soc/mediatek/common/mtk-afe-platform-driver.h
+++ b/sound/soc/mediatek/common/mtk-afe-platform-driver.h
@@ -17,7 +17,8 @@
 #ifndef _MTK_AFE_PLATFORM_DRIVER_H_
 #define _MTK_AFE_PLATFORM_DRIVER_H_
 
-extern const struct snd_soc_platform_driver mtk_afe_pcm_platform;
+#define AFE_PCM_NAME "mtk-afe-pcm"
+extern const struct snd_soc_component_driver mtk_afe_pcm_platform;
 
 #endif
 
diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
index d68b53f7cefe..f7e0702d92f8 100644
--- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
+++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c
@@ -93,7 +93,8 @@ static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 
 	if (i2s_num < 0)
@@ -108,7 +109,8 @@ static int mt2701_afe_i2s_path_shutdown(struct snd_pcm_substream *substream,
 					int dir_invert)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	struct mt2701_i2s_path *i2s_path = &afe_priv->i2s_path[i2s_num];
 	const struct mt2701_i2s_data *i2s_data;
@@ -144,7 +146,8 @@ static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 	struct mt2701_i2s_path *i2s_path;
@@ -176,7 +179,8 @@ static int mt2701_i2s_path_prepare_enable(struct snd_pcm_substream *substream,
 					  int dir_invert)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	struct mt2701_i2s_path *i2s_path = &afe_priv->i2s_path[i2s_num];
 	const struct mt2701_i2s_data *i2s_data;
@@ -247,7 +251,8 @@ static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
 {
 	int clk_domain;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
 	struct mt2701_i2s_path *i2s_path;
@@ -312,7 +317,8 @@ static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 	int ret;
 
@@ -329,7 +335,8 @@ static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_fs;
 	u32 val, msk;
 
@@ -372,7 +379,8 @@ static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;
 
 	/* if the other direction stream is not occupied */
@@ -392,7 +400,8 @@ static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_dir = substream->stream;
 	int memif_num = rtd->cpu_dai->id;
 	struct mtk_base_afe_memif *memif_tmp;
@@ -414,7 +423,8 @@ static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream,
 				      struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int stream_dir = substream->stream;
 
 	/* single DL use PAIR_INTERLEAVE */
@@ -431,7 +441,8 @@ static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif_tmp;
 	const struct mtk_base_memif_data *memif_data;
 	int i;
@@ -458,7 +469,8 @@ static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	const struct mtk_base_memif_data *memif_data;
 	int i;
 
@@ -477,7 +489,8 @@ static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	int channels = params_channels(params);
 
 	regmap_update_bits(afe->regmap,
@@ -500,7 +513,8 @@ static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream,
 				 int cmd, struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
 
 	switch (cmd) {
@@ -1517,7 +1531,8 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
 	}
 	pm_runtime_get_sync(dev);
 
-	ret = snd_soc_register_platform(dev, &mtk_afe_pcm_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform,
+					      NULL, 0);
 	if (ret) {
 		dev_warn(dev, "err_platform\n");
 		goto err_platform;
@@ -1526,13 +1541,11 @@ static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
 	ret = mt2701_afe_add_component(afe);
 	if (ret) {
 		dev_warn(dev, "err_dai_component\n");
-		goto err_dai_component;
+		goto err_platform;
 	}
 
 	return 0;
 
-err_dai_component:
-	snd_soc_unregister_platform(dev);
 err_platform:
 	pm_runtime_put_sync(dev);
 err_pm_disable:
@@ -1549,7 +1562,6 @@ static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
 		mt2701_afe_runtime_suspend(&pdev->dev);
 
 	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 
 	return 0;
 }
diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
index c7f7f8add5d9..65d1433a0944 100644
--- a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
+++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
@@ -304,7 +304,8 @@ static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	if (dai->active)
 		return 0;
@@ -318,7 +319,8 @@ static void mt8173_afe_i2s_shutdown(struct snd_pcm_substream *substream,
 				    struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	if (dai->active)
 		return;
@@ -334,7 +336,8 @@ static int mt8173_afe_i2s_prepare(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 	int ret;
 
@@ -356,7 +359,8 @@ static int mt8173_afe_hdmi_startup(struct snd_pcm_substream *substream,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	if (dai->active)
@@ -371,7 +375,8 @@ static void mt8173_afe_hdmi_shutdown(struct snd_pcm_substream *substream,
 				     struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	if (dai->active)
@@ -386,7 +391,8 @@ static int mt8173_afe_hdmi_prepare(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_pcm_runtime * const runtime = substream->runtime;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mt8173_afe_private *afe_priv = afe->platform_priv;
 
 	unsigned int val;
@@ -449,7 +455,8 @@ static int mt8173_afe_hdmi_trigger(struct snd_pcm_substream *substream, int cmd,
 				   struct snd_soc_dai *dai)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	dev_info(afe->dev, "%s cmd=%d %s\n", __func__, cmd, dai->name);
 
@@ -498,7 +505,8 @@ static int mt8173_memif_fs(struct snd_pcm_substream *substream,
 			   unsigned int rate)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 	struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
 	int fs;
 
@@ -1172,31 +1180,29 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
 	afe->runtime_resume = mt8173_afe_runtime_resume;
 	afe->runtime_suspend = mt8173_afe_runtime_suspend;
 
-	ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					 &mtk_afe_pcm_platform,
+					 NULL, 0);
 	if (ret)
 		goto err_pm_disable;
 
-	ret = snd_soc_register_component(&pdev->dev,
+	ret = devm_snd_soc_register_component(&pdev->dev,
 					 &mt8173_afe_pcm_dai_component,
 					 mt8173_afe_pcm_dais,
 					 ARRAY_SIZE(mt8173_afe_pcm_dais));
 	if (ret)
-		goto err_platform;
+		goto err_pm_disable;
 
-	ret = snd_soc_register_component(&pdev->dev,
+	ret = devm_snd_soc_register_component(&pdev->dev,
 					 &mt8173_afe_hdmi_dai_component,
 					 mt8173_afe_hdmi_dais,
 					 ARRAY_SIZE(mt8173_afe_hdmi_dais));
 	if (ret)
-		goto err_comp;
+		goto err_pm_disable;
 
 	dev_info(&pdev->dev, "MT8173 AFE driver initialized.\n");
 	return 0;
 
-err_comp:
-	snd_soc_unregister_component(&pdev->dev);
-err_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
 	return ret;
@@ -1207,8 +1213,6 @@ static int mt8173_afe_pcm_dev_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		mt8173_afe_runtime_suspend(&pdev->dev);
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
 	return 0;
 }
 
diff --git a/sound/soc/mediatek/mt8173/mt8173-rt5650.c b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
index 40ebefd625c1..679fc8bea0a3 100644
--- a/sound/soc/mediatek/mt8173/mt8173-rt5650.c
+++ b/sound/soc/mediatek/mt8173/mt8173-rt5650.c
@@ -272,15 +272,10 @@ static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
 	}
 	mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node;
 
-	if (of_find_node_by_name(platform_node, "codec-capture")) {
-		np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
-		if (!np) {
-			dev_err(&pdev->dev,
-				"%s: Can't find codec-capture DT node\n",
-				__func__);
-			return -EINVAL;
-		}
+	np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
+	if (np) {
 		ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);
+		of_node_put(np);
 		if (ret < 0) {
 			dev_err(&pdev->dev,
 				"%s codec_capture_dai name fail %d\n",
diff --git a/sound/soc/nuc900/nuc900-pcm.c b/sound/soc/nuc900/nuc900-pcm.c
index bd6dfa218d59..ad8392a87df9 100644
--- a/sound/soc/nuc900/nuc900-pcm.c
+++ b/sound/soc/nuc900/nuc900-pcm.c
@@ -299,14 +299,15 @@ static int nuc900_dma_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver nuc900_soc_platform = {
+static const struct snd_soc_component_driver nuc900_soc_component = {
 	.ops		= &nuc900_dma_ops,
 	.pcm_new	= nuc900_dma_new,
 };
 
 static int nuc900_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &nuc900_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &nuc900_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver nuc900_pcm_driver = {
diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 7a54e3083203..79d4dc785e5c 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -854,7 +854,7 @@ unlock:
 	return size;
 }
 
-static DEVICE_ATTR(dma_op_mode, 0644, dma_op_mode_show, dma_op_mode_store);
+static DEVICE_ATTR_RW(dma_op_mode);
 
 static const struct attribute *additional_attrs[] = {
 	&dev_attr_max_tx_thres.attr,
@@ -923,7 +923,7 @@ out:
 	return size;
 }
 
-static DEVICE_ATTR(st_taps, 0644, st_taps_show, st_taps_store);
+static DEVICE_ATTR_RW(st_taps);
 
 static const struct attribute *sidetone_attrs[] = {
 	&dev_attr_st_taps.attr,
diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index aca2c43d0f03..778cc8f75b6a 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -243,7 +243,7 @@ out:
 	return ret;
 }
 
-static const struct snd_soc_platform_driver omap_soc_platform = {
+static const struct snd_soc_component_driver omap_soc_component = {
 	.ops		= &omap_pcm_ops,
 	.pcm_new	= omap_pcm_new,
 	.pcm_free	= omap_pcm_free_dma_buffers,
@@ -252,7 +252,8 @@ static const struct snd_soc_platform_driver omap_soc_platform = {
 int omap_pcm_platform_register(struct device *dev)
 {
 	omap_pcm_limit_supported_formats();
-	return devm_snd_soc_register_platform(dev, &omap_soc_platform);
+	return devm_snd_soc_register_component(dev, &omap_soc_component,
+					       NULL, 0);
 }
 EXPORT_SYMBOL_GPL(omap_pcm_platform_register);
 
diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 624d9bd5dadd..d2d4652de32c 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -25,6 +25,8 @@
 #include <sound/soc.h>
 #include <sound/dmaengine_pcm.h>
 
+#define DRV_NAME "mmp-pcm"
+
 struct mmp_dma_data {
 	int ssp_id;
 	struct resource *dma_res;
@@ -100,7 +102,8 @@ static bool filter(struct dma_chan *chan, void *param)
 static int mmp_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct platform_device *pdev = to_platform_device(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct platform_device *pdev = to_platform_device(component->dev);
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct mmp_dma_data dma_data;
 	struct resource *r;
@@ -211,7 +214,8 @@ err:
 	return ret;
 }
 
-static const struct snd_soc_platform_driver mmp_soc_platform = {
+static const struct snd_soc_component_driver mmp_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &mmp_pcm_ops,
 	.pcm_new	= mmp_pcm_new,
 	.pcm_free	= mmp_pcm_free_dma_buffers,
@@ -231,7 +235,8 @@ static int mmp_pcm_probe(struct platform_device *pdev)
 		mmp_pcm_hardware[SNDRV_PCM_STREAM_CAPTURE].period_bytes_max =
 						pdata->period_max_capture;
 	}
-	return devm_snd_soc_register_platform(&pdev->dev, &mmp_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &mmp_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver mmp_pcm_driver = {
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index e64958d8bff0..8b6a70e94c01 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -84,7 +84,7 @@ static int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return ret;
 }
 
-static const struct snd_soc_platform_driver pxa2xx_soc_platform = {
+static const struct snd_soc_component_driver pxa2xx_soc_platform = {
 	.ops		= &pxa2xx_pcm_ops,
 	.pcm_new	= pxa2xx_soc_pcm_new,
 	.pcm_free	= pxa2xx_pcm_free_dma_buffers,
@@ -92,7 +92,8 @@ static const struct snd_soc_platform_driver pxa2xx_soc_platform = {
 
 static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &pxa2xx_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
+					       NULL, 0);
 }
 
 #ifdef CONFIG_OF
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index caf71aab8196..31fe78aa207f 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -24,6 +24,8 @@
 #include "lpass-lpaif-reg.h"
 #include "lpass.h"
 
+#define DRV_NAME "lpass-platform"
+
 struct lpass_pcm_data {
 	int dma_ch;
 	int i2s_port;
@@ -61,8 +63,8 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream)
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
 	struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct lpass_variant *v = drvdata->variant;
 	int ret, dma_ch, dir = substream->stream;
 	struct lpass_pcm_data *data;
@@ -115,8 +117,8 @@ static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct lpass_variant *v = drvdata->variant;
 	struct lpass_pcm_data *data;
 
@@ -132,8 +134,8 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
 		struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -225,8 +227,8 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
 static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -246,8 +248,8 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -298,8 +300,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
 		int cmd)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-		snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -372,8 +374,8 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
 		struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
-	struct lpass_data *drvdata =
-			snd_soc_platform_get_drvdata(soc_runtime->platform);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
+	struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
 	struct snd_pcm_runtime *rt = substream->runtime;
 	struct lpass_pcm_data *pcm_data = rt->private_data;
 	struct lpass_variant *v = drvdata->variant;
@@ -509,13 +511,14 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
 {
 	struct snd_pcm *pcm = soc_runtime->pcm;
 	struct snd_pcm_substream *psubstream, *csubstream;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(soc_runtime, DRV_NAME);
 	int ret = -EINVAL;
 	size_t size = lpass_platform_pcm_hardware.buffer_bytes_max;
 
 	psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
 	if (psubstream) {
 		ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
-					soc_runtime->platform->dev,
+					component->dev,
 					size, &psubstream->dma_buffer);
 		if (ret) {
 			dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
@@ -526,7 +529,7 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
 	csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
 	if (csubstream) {
 		ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
-					soc_runtime->platform->dev,
+					component->dev,
 					size, &csubstream->dma_buffer);
 		if (ret) {
 			dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n");
@@ -555,7 +558,8 @@ static void lpass_platform_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-static const struct snd_soc_platform_driver lpass_platform_driver = {
+static const struct snd_soc_component_driver lpass_component_driver = {
+	.name		= DRV_NAME,
 	.pcm_new	= lpass_platform_pcm_new,
 	.pcm_free	= lpass_platform_pcm_free,
 	.ops		= &lpass_platform_pcm_ops,
@@ -591,8 +595,8 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
 	}
 
 
-	return devm_snd_soc_register_platform(&pdev->dev,
-			&lpass_platform_driver);
+	return devm_snd_soc_register_component(&pdev->dev,
+			&lpass_component_driver, NULL, 0);
 }
 EXPORT_SYMBOL_GPL(asoc_qcom_lpass_platform_register);
 
diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index a635df61f928..b1f09b942410 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -399,7 +399,7 @@ void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr)
 }
 EXPORT_SYMBOL_GPL(idma_reg_addr_init);
 
-static const struct snd_soc_platform_driver asoc_idma_platform = {
+static const struct snd_soc_component_driver asoc_idma_platform = {
 	.ops = &idma_ops,
 	.pcm_new = idma_new,
 	.pcm_free = idma_free,
@@ -411,7 +411,8 @@ static int asoc_idma_platform_probe(struct platform_device *pdev)
 	if (idma_irq < 0)
 		return idma_irq;
 
-	return devm_snd_soc_register_platform(&pdev->dev, &asoc_idma_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &asoc_idma_platform,
+					       NULL, 0);
 }
 
 static struct platform_driver asoc_idma_driver = {
diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index 1e7d417b53ef..2dc3b762fdd9 100644
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -320,14 +320,15 @@ static int camelot_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
-static const struct snd_soc_platform_driver sh7760_soc_platform = {
+static const struct snd_soc_component_driver sh7760_soc_component = {
 	.ops		= &camelot_pcm_ops,
 	.pcm_new	= camelot_pcm_new,
 };
 
 static int sh7760_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev, &sh7760_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &sh7760_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver sh7760_pcm_driver = {
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index c3aaf4788557..3bae06dd121f 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1764,7 +1764,7 @@ static const struct snd_pcm_ops fsi_pcm_ops = {
 };
 
 /*
- *		snd_soc_platform
+ *		snd_soc_component
  */
 
 #define PREALLOC_BUFFER		(32 * 1024)
@@ -1818,13 +1818,10 @@ static struct snd_soc_dai_driver fsi_soc_dai[] = {
 	},
 };
 
-static const struct snd_soc_platform_driver fsi_soc_platform = {
-	.ops		= &fsi_pcm_ops,
-	.pcm_new	= fsi_pcm_new,
-};
-
 static const struct snd_soc_component_driver fsi_soc_component = {
 	.name		= "fsi",
+	.ops		= &fsi_pcm_ops,
+	.pcm_new	= fsi_pcm_new,
 };
 
 /*
@@ -2007,23 +2004,15 @@ static int fsi_probe(struct platform_device *pdev)
 		goto exit_fsib;
 	}
 
-	ret = snd_soc_register_platform(&pdev->dev, &fsi_soc_platform);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "cannot snd soc register\n");
-		goto exit_fsib;
-	}
-
-	ret = snd_soc_register_component(&pdev->dev, &fsi_soc_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &fsi_soc_component,
 				    fsi_soc_dai, ARRAY_SIZE(fsi_soc_dai));
 	if (ret < 0) {
 		dev_err(&pdev->dev, "cannot snd component register\n");
-		goto exit_snd_soc;
+		goto exit_fsib;
 	}
 
 	return ret;
 
-exit_snd_soc:
-	snd_soc_unregister_platform(&pdev->dev);
 exit_fsib:
 	pm_runtime_disable(&pdev->dev);
 	fsi_stream_remove(&master->fsib);
@@ -2041,9 +2030,6 @@ static int fsi_remove(struct platform_device *pdev)
 
 	pm_runtime_disable(&pdev->dev);
 
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
-
 	fsi_stream_remove(&master->fsia);
 	fsi_stream_remove(&master->fsib);
 
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 64d5ecb86528..b4007669c704 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -1337,7 +1337,7 @@ int rsnd_kctrl_new(struct rsnd_mod *mod,
 }
 
 /*
- *		snd_soc_platform
+ *		snd_soc_component
  */
 
 #define PREALLOC_BUFFER		(32 * 1024)
@@ -1364,12 +1364,9 @@ static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
 		PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
 }
 
-static const struct snd_soc_platform_driver rsnd_soc_platform = {
+static const struct snd_soc_component_driver rsnd_soc_component = {
 	.ops		= &rsnd_pcm_ops,
 	.pcm_new	= rsnd_pcm_new,
-};
-
-static const struct snd_soc_component_driver rsnd_soc_component = {
 	.name		= "rsnd",
 };
 
@@ -1478,17 +1475,11 @@ static int rsnd_probe(struct platform_device *pdev)
 	/*
 	 *	asoc register
 	 */
-	ret = snd_soc_register_platform(dev, &rsnd_soc_platform);
-	if (ret < 0) {
-		dev_err(dev, "cannot snd soc register\n");
-		return ret;
-	}
-
-	ret = snd_soc_register_component(dev, &rsnd_soc_component,
+	ret = devm_snd_soc_register_component(dev, &rsnd_soc_component,
 					 priv->daidrv, rsnd_rdai_nr(priv));
 	if (ret < 0) {
 		dev_err(dev, "cannot snd dai register\n");
-		goto exit_snd_soc;
+		goto exit_snd_probe;
 	}
 
 	pm_runtime_enable(dev);
@@ -1496,8 +1487,6 @@ static int rsnd_probe(struct platform_device *pdev)
 	dev_info(dev, "probed\n");
 	return ret;
 
-exit_snd_soc:
-	snd_soc_unregister_platform(dev);
 exit_snd_probe:
 	for_each_rsnd_dai(rdai, priv, i) {
 		rsnd_dai_call(remove, &rdai->playback, priv);
@@ -1535,9 +1524,6 @@ static int rsnd_remove(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(remove_func); i++)
 		remove_func[i](priv);
 
-	snd_soc_unregister_component(&pdev->dev);
-	snd_soc_unregister_platform(&pdev->dev);
-
 	return ret;
 }
 
diff --git a/sound/soc/sh/siu.h b/sound/soc/sh/siu.h
index 83c3430ad797..6088d627c0e4 100644
--- a/sound/soc/sh/siu.h
+++ b/sound/soc/sh/siu.h
@@ -183,7 +183,7 @@ static inline u32 siu_read32(u32 __iomem *addr)
 #define SIU_BRGBSEL	(0x108 / sizeof(u32))
 #define SIU_BRRB	(0x10c / sizeof(u32))
 
-extern struct snd_soc_platform_driver siu_platform;
+extern struct snd_soc_component_driver siu_component;
 extern struct siu_info *siu_i2s_data;
 
 int siu_init_port(int port, struct siu_port **port_info, struct snd_card *card);
diff --git a/sound/soc/sh/siu_dai.c b/sound/soc/sh/siu_dai.c
index 160502947da2..ee2211635e92 100644
--- a/sound/soc/sh/siu_dai.c
+++ b/sound/soc/sh/siu_dai.c
@@ -727,10 +727,6 @@ static struct snd_soc_dai_driver siu_i2s_dai = {
 	.ops = &siu_dai_ops,
 };
 
-static const struct snd_soc_component_driver siu_i2s_component = {
-	.name		= "siu-i2s",
-};
-
 static int siu_probe(struct platform_device *pdev)
 {
 	const struct firmware *fw_entry;
@@ -786,15 +782,11 @@ static int siu_probe(struct platform_device *pdev)
 	dev_set_drvdata(&pdev->dev, info);
 
 	/* register using ARRAY version so we can keep dai name */
-	ret = devm_snd_soc_register_component(&pdev->dev, &siu_i2s_component,
+	ret = devm_snd_soc_register_component(&pdev->dev, &siu_component,
 					      &siu_i2s_dai, 1);
 	if (ret < 0)
 		return ret;
 
-	ret = devm_snd_soc_register_platform(&pdev->dev, &siu_platform);
-	if (ret < 0)
-		return ret;
-
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;
diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index 3118cb0ee3f2..172909570ed5 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -35,6 +35,7 @@
 
 #include "siu.h"
 
+#define DRV_NAME "siu-i2s"
 #define GET_MAX_PERIODS(buf_bytes, period_bytes) \
 				((buf_bytes) / (period_bytes))
 #define PERIOD_OFFSET(buf_addr, period_num, period_bytes) \
@@ -340,7 +341,8 @@ static int siu_pcm_open(struct snd_pcm_substream *ss)
 {
 	/* Playback / Capture */
 	struct snd_soc_pcm_runtime *rtd = ss->private_data;
-	struct siu_platform *pdata = rtd->platform->dev->platform_data;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct siu_platform *pdata = component->dev->platform_data;
 	struct siu_info *info = siu_i2s_data;
 	struct siu_port *port_info = siu_port_info(ss);
 	struct siu_stream *siu_stream;
@@ -604,9 +606,10 @@ static const struct snd_pcm_ops siu_pcm_ops = {
 	.pointer	= siu_pcm_pointer_dma,
 };
 
-struct snd_soc_platform_driver siu_platform = {
+struct snd_soc_component_driver siu_component = {
+	.name		= DRV_NAME,
 	.ops			= &siu_pcm_ops,
 	.pcm_new	= siu_pcm_new,
 	.pcm_free	= siu_pcm_free,
 };
-EXPORT_SYMBOL_GPL(siu_platform);
+EXPORT_SYMBOL_GPL(siu_component);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 9c7b78558979..9558125b448d 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -173,7 +173,7 @@ static ssize_t codec_reg_show(struct device *dev,
 	return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0);
 }
 
-static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
+static DEVICE_ATTR_RO(codec_reg);
 
 static ssize_t pmdown_time_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
@@ -1162,11 +1162,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card,
 
 		rtd->platform = platform;
 	}
-	if (!rtd->platform) {
-		dev_err(card->dev, "ASoC: platform %s not registered\n",
-			dai_link->platform_name);
-		goto _err_defer;
-	}
 
 	soc_add_pcm_runtime(card, rtd);
 	return 0;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index a10b21cfc31e..92894d9cac19 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2026,7 +2026,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file,
 	snd_soc_dapm_for_each_direction(dir) {
 		rdir = SND_SOC_DAPM_DIR_REVERSE(dir);
 		snd_soc_dapm_widget_for_each_path(w, dir, p) {
-			if (p->connected && !p->connected(w, p->node[rdir]))
+			if (p->connected && !p->connected(p->source, p->sink))
 				continue;
 
 			if (!p->connect)
@@ -2364,7 +2364,7 @@ static ssize_t dapm_widget_show(struct device *dev,
 	return count;
 }
 
-static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
+static DEVICE_ATTR_RO(dapm_widget);
 
 struct attribute *soc_dapm_dev_attrs[] = {
 	&dev_attr_dapm_widget.attr,
diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index d53786498b61..c07d5c79ca91 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -33,13 +33,13 @@
 struct dmaengine_pcm {
 	struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1];
 	const struct snd_dmaengine_pcm_config *config;
-	struct snd_soc_platform platform;
+	struct snd_soc_component component;
 	unsigned int flags;
 };
 
-static struct dmaengine_pcm *soc_platform_to_pcm(struct snd_soc_platform *p)
+static struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p)
 {
-	return container_of(p, struct dmaengine_pcm, platform);
+	return container_of(p, struct dmaengine_pcm, component);
 }
 
 static struct device *dmaengine_dma_dev(struct dmaengine_pcm *pcm,
@@ -88,7 +88,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
 	int (*prepare_slave_config)(struct snd_pcm_substream *substream,
 			struct snd_pcm_hw_params *params,
@@ -119,7 +121,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream,
 static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct device *dma_dev = dmaengine_dma_dev(pcm, substream);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	struct snd_dmaengine_dai_dma_data *dma_data;
@@ -206,7 +210,9 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea
 static int dmaengine_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct dma_chan *chan = pcm->chan[substream->stream];
 	int ret;
 
@@ -221,7 +227,9 @@ static struct dma_chan *dmaengine_pcm_compat_request_channel(
 	struct snd_soc_pcm_runtime *rtd,
 	struct snd_pcm_substream *substream)
 {
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	struct snd_dmaengine_dai_dma_data *dma_data;
 	dma_filter_fn fn = NULL;
 
@@ -260,9 +268,11 @@ static bool dmaengine_pcm_can_report_residue(struct device *dev,
 
 static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 	const struct snd_dmaengine_pcm_config *config = pcm->config;
-	struct device *dev = rtd->platform->dev;
+	struct device *dev = component->dev;
 	struct snd_dmaengine_dai_dma_data *dma_data;
 	struct snd_pcm_substream *substream;
 	size_t prealloc_buffer_size;
@@ -296,7 +306,7 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd)
 		}
 
 		if (!pcm->chan[i]) {
-			dev_err(rtd->platform->dev,
+			dev_err(component->dev,
 				"Missing dma channel for stream: %d\n", i);
 			return -EINVAL;
 		}
@@ -320,7 +330,9 @@ static snd_pcm_uframes_t dmaengine_pcm_pointer(
 	struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform);
+	struct snd_soc_component *component =
+		snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME);
+	struct dmaengine_pcm *pcm = soc_component_to_pcm(component);
 
 	if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE)
 		return snd_dmaengine_pcm_pointer_no_residue(substream);
@@ -338,10 +350,9 @@ static const struct snd_pcm_ops dmaengine_pcm_ops = {
 	.pointer	= dmaengine_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver dmaengine_pcm_platform = {
-	.component_driver = {
-		.probe_order = SND_SOC_COMP_ORDER_LATE,
-	},
+static const struct snd_soc_component_driver dmaengine_pcm_component = {
+	.name		= SND_DMAENGINE_PCM_DRV_NAME,
+	.probe_order	= SND_SOC_COMP_ORDER_LATE,
 	.ops		= &dmaengine_pcm_ops,
 	.pcm_new	= dmaengine_pcm_new,
 };
@@ -438,8 +449,8 @@ int snd_dmaengine_pcm_register(struct device *dev,
 	if (ret)
 		goto err_free_dma;
 
-	ret = snd_soc_add_platform(dev, &pcm->platform,
-		&dmaengine_pcm_platform);
+	ret = snd_soc_add_component(dev, &pcm->component,
+				    &dmaengine_pcm_component, NULL, 0);
 	if (ret)
 		goto err_free_dma;
 
@@ -461,16 +472,16 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_register);
  */
 void snd_dmaengine_pcm_unregister(struct device *dev)
 {
-	struct snd_soc_platform *platform;
+	struct snd_soc_component *component;
 	struct dmaengine_pcm *pcm;
 
-	platform = snd_soc_lookup_platform(dev);
-	if (!platform)
+	component = snd_soc_lookup_component(dev, SND_DMAENGINE_PCM_DRV_NAME);
+	if (!component)
 		return;
 
-	pcm = soc_platform_to_pcm(platform);
+	pcm = soc_component_to_pcm(component);
 
-	snd_soc_remove_platform(platform);
+	snd_soc_unregister_component(dev);
 	dmaengine_pcm_release_chan(pcm);
 	kfree(pcm);
 }
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index bcd3da2739e2..2d9e98bd1530 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -284,11 +284,16 @@ static const struct snd_pcm_ops dummy_dma_ops = {
 	.ioctl		= snd_pcm_lib_ioctl,
 };
 
-static const struct snd_soc_platform_driver dummy_platform = {
+static const struct snd_soc_component_driver dummy_platform = {
 	.ops = &dummy_dma_ops,
 };
 
-static const struct snd_soc_codec_driver dummy_codec;
+static const struct snd_soc_component_driver dummy_codec = {
+	.idle_bias_on		= 1,
+	.use_pmdown_time	= 1,
+	.endianness		= 1,
+	.non_legacy_dai_naming	= 1,
+};
 
 #define STUB_RATES	SNDRV_PCM_RATE_8000_192000
 #define STUB_FORMATS	(SNDRV_PCM_FMTBIT_S8 | \
@@ -338,33 +343,22 @@ static int snd_soc_dummy_probe(struct platform_device *pdev)
 {
 	int ret;
 
-	ret = snd_soc_register_codec(&pdev->dev, &dummy_codec, &dummy_dai, 1);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &dummy_codec, &dummy_dai, 1);
 	if (ret < 0)
 		return ret;
 
-	ret = snd_soc_register_platform(&pdev->dev, &dummy_platform);
-	if (ret < 0) {
-		snd_soc_unregister_codec(&pdev->dev);
-		return ret;
-	}
+	ret = devm_snd_soc_register_component(&pdev->dev, &dummy_platform,
+					      NULL, 0);
 
 	return ret;
 }
 
-static int snd_soc_dummy_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_platform(&pdev->dev);
-	snd_soc_unregister_codec(&pdev->dev);
-
-	return 0;
-}
-
 static struct platform_driver soc_dummy_driver = {
 	.driver = {
 		.name = "snd-soc-dummy",
 	},
 	.probe = snd_soc_dummy_probe,
-	.remove = snd_soc_dummy_remove,
 };
 
 static struct platform_device *soc_dummy_dev;
diff --git a/sound/soc/stm/Kconfig b/sound/soc/stm/Kconfig
index 3ad881fc40a1..48f9ddd94016 100644
--- a/sound/soc/stm/Kconfig
+++ b/sound/soc/stm/Kconfig
@@ -2,7 +2,7 @@ menu "STMicroelectronics STM32 SOC audio support"
 
 config SND_SOC_STM32_SAI
 	tristate "STM32 SAI interface (Serial Audio Interface) support"
-	depends on ARCH_STM32 || COMPILE_TEST
+	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	depends on SND_SOC
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	select REGMAP_MMIO
@@ -11,7 +11,7 @@ config SND_SOC_STM32_SAI
 
 config SND_SOC_STM32_I2S
 	tristate "STM32 I2S interface (SPI/I2S block) support"
-	depends on ARCH_STM32 || COMPILE_TEST
+	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	depends on SND_SOC
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	select REGMAP_MMIO
@@ -20,7 +20,7 @@ config SND_SOC_STM32_I2S
 
 config SND_SOC_STM32_SPDIFRX
 	tristate "STM32 S/PDIF receiver (SPDIFRX) support"
-	depends on ARCH_STM32 || COMPILE_TEST
+	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	depends on SND_SOC
 	select SND_SOC_GENERIC_DMAENGINE_PCM
 	select REGMAP_MMIO
diff --git a/sound/soc/stm/stm32_adfsdm.c b/sound/soc/stm/stm32_adfsdm.c
index 7306e3eca9e1..db73fef3e500 100644
--- a/sound/soc/stm/stm32_adfsdm.c
+++ b/sound/soc/stm/stm32_adfsdm.c
@@ -281,7 +281,7 @@ static void stm32_adfsdm_pcm_free(struct snd_pcm *pcm)
 	}
 }
 
-static struct snd_soc_platform_driver stm32_adfsdm_soc_platform = {
+static struct snd_soc_component_driver stm32_adfsdm_soc_platform = {
 	.ops		= &stm32_adfsdm_pcm_ops,
 	.pcm_new	= stm32_adfsdm_pcm_new,
 	.pcm_free	= stm32_adfsdm_pcm_free,
@@ -322,8 +322,9 @@ static int stm32_adfsdm_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->iio_cb))
 		return PTR_ERR(priv->iio_cb);
 
-	ret = devm_snd_soc_register_platform(&pdev->dev,
-					     &stm32_adfsdm_soc_platform);
+	ret = devm_snd_soc_register_component(&pdev->dev,
+					      &stm32_adfsdm_soc_platform,
+					      NULL, 0);
 	if (ret < 0)
 		dev_err(&pdev->dev, "%s: Failed to register PCM platform\n",
 			__func__);
diff --git a/sound/soc/txx9/txx9aclc.c b/sound/soc/txx9/txx9aclc.c
index a2bb68fea5a3..8d31fe628e2f 100644
--- a/sound/soc/txx9/txx9aclc.c
+++ b/sound/soc/txx9/txx9aclc.c
@@ -23,6 +23,8 @@
 #include <sound/soc.h>
 #include "txx9aclc.h"
 
+#define DRV_NAME "txx9aclc"
+
 static struct txx9aclc_soc_device {
 	struct txx9aclc_dmadata dmadata[2];
 } txx9aclc_soc_device;
@@ -53,6 +55,7 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
 	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct txx9aclc_dmadata *dmadata = runtime->private_data;
 	int ret;
 
@@ -60,13 +63,13 @@ static int txx9aclc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		return ret;
 
-	dev_dbg(rtd->platform->dev,
+	dev_dbg(component->dev,
 		"runtime->dma_area = %#lx dma_addr = %#lx dma_bytes = %zd "
 		"runtime->min_align %ld\n",
 		(unsigned long)runtime->dma_area,
 		(unsigned long)runtime->dma_addr, runtime->dma_bytes,
 		runtime->min_align);
-	dev_dbg(rtd->platform->dev,
+	dev_dbg(component->dev,
 		"periods %d period_bytes %d stream %d\n",
 		params_periods(params), params_period_bytes(params),
 		substream->stream);
@@ -287,7 +290,8 @@ static int txx9aclc_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	struct snd_card *card = rtd->card->snd_card;
 	struct snd_soc_dai *dai = rtd->cpu_dai;
 	struct snd_pcm *pcm = rtd->pcm;
-	struct platform_device *pdev = to_platform_device(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct platform_device *pdev = to_platform_device(component->dev);
 	struct txx9aclc_soc_device *dev;
 	struct resource *r;
 	int i;
@@ -371,15 +375,15 @@ static int txx9aclc_dma_init(struct txx9aclc_soc_device *dev,
 	return 0;
 }
 
-static int txx9aclc_pcm_probe(struct snd_soc_platform *platform)
+static int txx9aclc_pcm_probe(struct snd_soc_component *component)
 {
-	snd_soc_platform_set_drvdata(platform, &txx9aclc_soc_device);
+	snd_soc_component_set_drvdata(component, &txx9aclc_soc_device);
 	return 0;
 }
 
-static int txx9aclc_pcm_remove(struct snd_soc_platform *platform)
+static void txx9aclc_pcm_remove(struct snd_soc_component *component)
 {
-	struct txx9aclc_soc_device *dev = snd_soc_platform_get_drvdata(platform);
+	struct txx9aclc_soc_device *dev = snd_soc_component_get_drvdata(component);
 	struct txx9aclc_plat_drvdata *drvdata = txx9aclc_drvdata;
 	void __iomem *base = drvdata->base;
 	int i;
@@ -400,10 +404,10 @@ static int txx9aclc_pcm_remove(struct snd_soc_platform *platform)
 		}
 		dev->dmadata[i].dma_chan = NULL;
 	}
-	return 0;
 }
 
-static const struct snd_soc_platform_driver txx9aclc_soc_platform = {
+static const struct snd_soc_component_driver txx9aclc_soc_component = {
+	.name		= DRV_NAME,
 	.probe		= txx9aclc_pcm_probe,
 	.remove		= txx9aclc_pcm_remove,
 	.ops		= &txx9aclc_pcm_ops,
@@ -412,8 +416,8 @@ static const struct snd_soc_platform_driver txx9aclc_soc_platform = {
 
 static int txx9aclc_soc_platform_probe(struct platform_device *pdev)
 {
-	return devm_snd_soc_register_platform(&pdev->dev,
-					      &txx9aclc_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev,
+					&txx9aclc_soc_component, NULL, 0);
 }
 
 static struct platform_driver txx9aclc_pcm_driver = {
diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c
index 2472144b329e..503560916620 100644
--- a/sound/soc/xtensa/xtfpga-i2s.c
+++ b/sound/soc/xtensa/xtfpga-i2s.c
@@ -483,13 +483,10 @@ static const struct snd_pcm_ops xtfpga_pcm_ops = {
 	.pointer	= xtfpga_pcm_pointer,
 };
 
-static const struct snd_soc_platform_driver xtfpga_soc_platform = {
-	.pcm_new	= xtfpga_pcm_new,
-	.ops		= &xtfpga_pcm_ops,
-};
-
 static const struct snd_soc_component_driver xtfpga_i2s_component = {
 	.name		= DRV_NAME,
+	.pcm_new	= xtfpga_pcm_new,
+	.ops		= &xtfpga_pcm_ops,
 };
 
 static const struct snd_soc_dai_ops xtfpga_i2s_dai_ops = {
@@ -591,18 +588,13 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	err = snd_soc_register_platform(&pdev->dev, &xtfpga_soc_platform);
-	if (err < 0) {
-		dev_err(&pdev->dev, "couldn't register platform\n");
-		goto err;
-	}
 	err = devm_snd_soc_register_component(&pdev->dev,
 					      &xtfpga_i2s_component,
 					      xtfpga_i2s_dai,
 					      ARRAY_SIZE(xtfpga_i2s_dai));
 	if (err < 0) {
 		dev_err(&pdev->dev, "couldn't register component\n");
-		goto err_unregister_platform;
+		goto err;
 	}
 
 	pm_runtime_enable(&pdev->dev);
@@ -615,8 +607,6 @@ static int xtfpga_i2s_probe(struct platform_device *pdev)
 
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
-err_unregister_platform:
-	snd_soc_unregister_platform(&pdev->dev);
 err:
 	dev_err(&pdev->dev, "%s: err = %d\n", __func__, err);
 	return err;
@@ -626,7 +616,6 @@ static int xtfpga_i2s_remove(struct platform_device *pdev)
 {
 	struct xtfpga_i2s *i2s = dev_get_drvdata(&pdev->dev);
 
-	snd_soc_unregister_platform(&pdev->dev);
 	if (i2s->regmap && !IS_ERR(i2s->regmap)) {
 		regmap_write(i2s->regmap, XTFPGA_I2S_CONFIG, 0);
 		regmap_write(i2s->regmap, XTFPGA_I2S_INT_MASK, 0);
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 99b73c675743..b4efb22db561 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -119,13 +119,6 @@ struct sound_unit
 	char name[32];
 };
 
-#ifdef CONFIG_SOUND_MSNDCLAS
-extern int msnd_classic_init(void);
-#endif
-#ifdef CONFIG_SOUND_MSNDPIN
-extern int msnd_pinnacle_init(void);
-#endif
-
 /*
  * By default, OSS sound_core claims full legacy minor range (0-255)
  * of SOUND_MAJOR to trap open attempts to any sound minor and
@@ -452,26 +445,6 @@ int register_sound_mixer(const struct file_operations *fops, int dev)
 
 EXPORT_SYMBOL(register_sound_mixer);
 
-/**
- *	register_sound_midi - register a midi device
- *	@fops: File operations for the driver
- *	@dev: Unit number to allocate
- *
- *	Allocate a midi device. Unit is the number of the midi device requested.
- *	Pass -1 to request the next free midi unit.
- *
- *	Return: On success, the allocated number is returned. On failure,
- *	a negative error code is returned.
- */
-
-int register_sound_midi(const struct file_operations *fops, int dev)
-{
-	return sound_insert_unit(&chains[2], fops, dev, 2, 130,
-				 "midi", S_IRUSR | S_IWUSR, NULL);
-}
-
-EXPORT_SYMBOL(register_sound_midi);
-
 /*
  *	DSP's are registered as a triple. Register only one and cheat
  *	in open - see below.
@@ -533,21 +506,6 @@ void unregister_sound_mixer(int unit)
 EXPORT_SYMBOL(unregister_sound_mixer);
 
 /**
- *	unregister_sound_midi - unregister a midi device
- *	@unit: unit number to allocate
- *
- *	Release a sound device that was allocated with register_sound_midi().
- *	The unit passed is the return value from the register function.
- */
-
-void unregister_sound_midi(int unit)
-{
-	sound_remove_unit(&chains[2], unit);
-}
-
-EXPORT_SYMBOL(unregister_sound_midi);
-
-/**
  *	unregister_sound_dsp - unregister a DSP device
  *	@unit: unit number to allocate
  *
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 23d1d23aefec..8018d56cfecc 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -585,15 +585,24 @@ static int usb_audio_probe(struct usb_interface *intf,
 		 * now look for an empty slot and create a new card instance
 		 */
 		for (i = 0; i < SNDRV_CARDS; i++)
-			if (enable[i] && ! usb_chip[i] &&
+			if (!usb_chip[i] &&
 			    (vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) &&
 			    (pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) {
-				err = snd_usb_audio_create(intf, dev, i, quirk,
-							   id, &chip);
-				if (err < 0)
+				if (enable[i]) {
+					err = snd_usb_audio_create(intf, dev, i, quirk,
+								   id, &chip);
+					if (err < 0)
+						goto __error;
+					chip->pm_intf = intf;
+					break;
+				} else if (vid[i] != -1 || pid[i] != -1) {
+					dev_info(&dev->dev,
+						 "device (%04x:%04x) is disabled\n",
+						 USB_ID_VENDOR(id),
+						 USB_ID_PRODUCT(id));
+					err = -ENOENT;
 					goto __error;
-				chip->pm_intf = intf;
-				break;
+				}
 			}
 		if (!chip) {
 			dev_err(&dev->dev, "no available usb audio device\n");
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 2b4ceda36291..9afb8ab524c7 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -656,10 +656,14 @@ static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm
 			 unsigned char *name, int maxlen, int term_only)
 {
 	struct iterm_name_combo *names;
+	int len;
 
-	if (iterm->name)
-		return snd_usb_copy_string_desc(state, iterm->name,
+	if (iterm->name) {
+		len = snd_usb_copy_string_desc(state, iterm->name,
 						name, maxlen);
+		if (len)
+			return len;
+	}
 
 	/* virtual type - not a real terminal */
 	if (iterm->type >> 16) {
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index e1e7ce9ab217..56537a156580 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -27,6 +27,7 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
+#include <linux/hid.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/usb.h>
@@ -239,13 +240,13 @@ static long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf,
 	return err < 0 ? err : count;
 }
 
-static unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
+static __poll_t snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file,
 					    poll_table *wait)
 {
 	struct usb_mixer_interface *mixer = hw->private_data;
 
 	poll_wait(file, &mixer->rc_waitq, wait);
-	return mixer->rc_code ? POLLIN | POLLRDNORM : 0;
+	return mixer->rc_code ? EPOLLIN | EPOLLRDNORM : 0;
 }
 
 static int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer)
@@ -1721,6 +1722,83 @@ static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
 	return 0;
 }
 
+/* Creative Sound Blaster E1 */
+
+static int snd_soundblaster_e1_switch_get(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_value *ucontrol)
+{
+	ucontrol->value.integer.value[0] = kcontrol->private_value;
+	return 0;
+}
+
+static int snd_soundblaster_e1_switch_update(struct usb_mixer_interface *mixer,
+					     unsigned char state)
+{
+	struct snd_usb_audio *chip = mixer->chip;
+	int err;
+	unsigned char buff[2];
+
+	buff[0] = 0x02;
+	buff[1] = state ? 0x02 : 0x00;
+
+	err = snd_usb_lock_shutdown(chip);
+	if (err < 0)
+		return err;
+	err = snd_usb_ctl_msg(chip->dev,
+			usb_sndctrlpipe(chip->dev, 0), HID_REQ_SET_REPORT,
+			USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
+			0x0202, 3, buff, 2);
+	snd_usb_unlock_shutdown(chip);
+	return err;
+}
+
+static int snd_soundblaster_e1_switch_put(struct snd_kcontrol *kcontrol,
+					  struct snd_ctl_elem_value *ucontrol)
+{
+	struct usb_mixer_elem_list *list = snd_kcontrol_chip(kcontrol);
+	unsigned char value = !!ucontrol->value.integer.value[0];
+	int err;
+
+	if (kcontrol->private_value == value)
+		return 0;
+	kcontrol->private_value = value;
+	err = snd_soundblaster_e1_switch_update(list->mixer, value);
+	return err < 0 ? err : 1;
+}
+
+static int snd_soundblaster_e1_switch_resume(struct usb_mixer_elem_list *list)
+{
+	return snd_soundblaster_e1_switch_update(list->mixer,
+						 list->kctl->private_value);
+}
+
+static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol,
+					   struct snd_ctl_elem_info *uinfo)
+{
+	static const char *const texts[2] = {
+		"Mic", "Aux"
+	};
+
+	return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts);
+}
+
+static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "Input Source",
+	.info = snd_soundblaster_e1_switch_info,
+	.get = snd_soundblaster_e1_switch_get,
+	.put = snd_soundblaster_e1_switch_put,
+	.private_value = 0,
+};
+
+static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer)
+{
+	return add_single_ctl_with_resume(mixer, 0,
+					  snd_soundblaster_e1_switch_resume,
+					  &snd_soundblaster_e1_input_switch,
+					  NULL);
+}
+
 int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 {
 	int err = 0;
@@ -1802,6 +1880,10 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 	case USB_ID(0x1235, 0x800c): /* Focusrite Scarlett 18i20 */
 		err = snd_scarlett_controls_create(mixer);
 		break;
+
+	case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */
+		err = snd_soundblaster_e1_switch_create(mixer);
+		break;
 	}
 
 	return err;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 8a59d4782a0f..50252046b01d 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3277,4 +3277,52 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
 	}
 },
 
+{
+	/*
+	 * Nura's first gen headphones use Cambridge Silicon Radio's vendor
+	 * ID, but it looks like the product ID actually is only for Nura.
+	 * The capture interface does not work at all (even on Windows),
+	 * and only the 48 kHz sample rate works for the playback interface.
+	 */
+	USB_DEVICE(0x0a12, 0x1243),
+	.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_STANDARD_MIXER,
+			},
+			/* Capture */
+			{
+				.ifnum = 1,
+				.type = QUIRK_IGNORE_INTERFACE,
+			},
+			/* Playback */
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_FIXED_ENDPOINT,
+				.data = &(const struct audioformat) {
+					.formats = SNDRV_PCM_FMTBIT_S16_LE,
+					.channels = 2,
+					.iface = 2,
+					.altsetting = 1,
+					.altset_idx = 1,
+					.attributes = UAC_EP_CS_ATTR_FILL_MAX |
+						UAC_EP_CS_ATTR_SAMPLE_RATE,
+					.endpoint = 0x03,
+					.ep_attr = USB_ENDPOINT_XFER_ISOC,
+					.rates = SNDRV_PCM_RATE_48000,
+					.rate_min = 48000,
+					.rate_max = 48000,
+					.nr_rates = 1,
+					.rate_table = (unsigned int[]) {
+						48000
+					}
+				}
+			},
+		}
+	}
+},
+
 #undef USB_DEVICE_VENDOR_SPEC
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index 159da1f3924e..ebcab5c5465d 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -271,16 +271,16 @@ out:
 	return err;
 }
 
-static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
+static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw,
 					  struct file *file, poll_table *wait)
 {
 	struct us122l	*us122l = hw->private_data;
 	unsigned	*polled;
-	unsigned int	mask;
+	__poll_t	mask;
 
 	poll_wait(file, &us122l->sk.sleep, wait);
 
-	mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
+	mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM | EPOLLERR;
 	if (mutex_trylock(&us122l->mutex)) {
 		struct usb_stream *s = us122l->sk.s;
 		if (s && s->state == usb_stream_ready) {
@@ -290,7 +290,7 @@ static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
 				polled = &us122l->second_periods_polled;
 			if (*polled != s->periods_done) {
 				*polled = s->periods_done;
-				mask = POLLIN | POLLOUT | POLLWRNORM;
+				mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM;
 			} else
 				mask = 0;
 		}
@@ -378,7 +378,7 @@ out:
 static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 				  unsigned cmd, unsigned long arg)
 {
-	struct usb_stream_config *cfg;
+	struct usb_stream_config cfg;
 	struct us122l *us122l = hw->private_data;
 	struct usb_stream *s;
 	unsigned min_period_frames;
@@ -388,24 +388,21 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 	if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
 		return -ENOTTY;
 
-	cfg = memdup_user((void *)arg, sizeof(*cfg));
-	if (IS_ERR(cfg))
-		return PTR_ERR(cfg);
+	if (copy_from_user(&cfg, (void __user *)arg, sizeof(cfg)))
+		return -EFAULT;
+
+	if (cfg.version != USB_STREAM_INTERFACE_VERSION)
+		return -ENXIO;
 
-	if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
-		err = -ENXIO;
-		goto free;
-	}
 	high_speed = us122l->dev->speed == USB_SPEED_HIGH;
-	if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000  &&
+	if ((cfg.sample_rate != 44100 && cfg.sample_rate != 48000  &&
 	     (!high_speed ||
-	      (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
-	    cfg->frame_size != 6 ||
-	    cfg->period_frames > 0x3000) {
-		err = -EINVAL;
-		goto free;
-	}
-	switch (cfg->sample_rate) {
+	      (cfg.sample_rate != 88200 && cfg.sample_rate != 96000))) ||
+	    cfg.frame_size != 6 ||
+	    cfg.period_frames > 0x3000)
+		return -EINVAL;
+
+	switch (cfg.sample_rate) {
 	case 44100:
 		min_period_frames = 48;
 		break;
@@ -418,10 +415,8 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 	}
 	if (!high_speed)
 		min_period_frames <<= 1;
-	if (cfg->period_frames < min_period_frames) {
-		err = -EINVAL;
-		goto free;
-	}
+	if (cfg.period_frames < min_period_frames)
+		return -EINVAL;
 
 	snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
 
@@ -430,24 +425,22 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
 	if (!us122l->master)
 		us122l->master = file;
 	else if (us122l->master != file) {
-		if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg))) {
+		if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) {
 			err = -EIO;
 			goto unlock;
 		}
 		us122l->slave = file;
 	}
-	if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg)) ||
+	if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg)) ||
 	    s->state == usb_stream_xrun) {
 		us122l_stop(us122l);
-		if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
+		if (!us122l_start(us122l, cfg.sample_rate, cfg.period_frames))
 			err = -EIO;
 		else
 			err = 1;
 	}
 unlock:
 	mutex_unlock(&us122l->mutex);
-free:
-	kfree(cfg);
 	wake_up_all(&us122l->sk.sleep);
 	return err;
 }
diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c
index f4b3cda412fc..d8bd7c99b48c 100644
--- a/sound/usb/usx2y/usX2Yhwdep.c
+++ b/sound/usb/usx2y/usX2Yhwdep.c
@@ -86,18 +86,18 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v
 	return 0;
 }
 
-static unsigned int snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait)
+static __poll_t snd_us428ctls_poll(struct snd_hwdep *hw, struct file *file, poll_table *wait)
 {
-	unsigned int	mask = 0;
+	__poll_t	mask = 0;
 	struct usX2Ydev	*us428 = hw->private_data;
 	struct us428ctls_sharedmem *shm = us428->us428ctls_sharedmem;
 	if (us428->chip_status & USX2Y_STAT_CHIP_HUP)
-		return POLLHUP;
+		return EPOLLHUP;
 
 	poll_wait(file, &us428->us428ctls_wait_queue_head, wait);
 
 	if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed)
-		mask |= POLLIN;
+		mask |= EPOLLIN;
 
 	return mask;
 }
@@ -198,24 +198,22 @@ static int snd_usX2Y_hwdep_dsp_load(struct snd_hwdep *hw,
 				    struct snd_hwdep_dsp_image *dsp)
 {
 	struct usX2Ydev *priv = hw->private_data;
-	int	lret, err = -EINVAL;
-	snd_printdd( "dsp_load %s\n", dsp->name);
+	struct usb_device* dev = priv->dev;
+	int lret, err;
+	char *buf;
 
-	if (access_ok(VERIFY_READ, dsp->image, dsp->length)) {
-		struct usb_device* dev = priv->dev;
-		char *buf;
+	snd_printdd( "dsp_load %s\n", dsp->name);
 
-		buf = memdup_user(dsp->image, dsp->length);
-		if (IS_ERR(buf))
-			return PTR_ERR(buf);
+	buf = memdup_user(dsp->image, dsp->length);
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
 
-		err = usb_set_interface(dev, 0, 1);
-		if (err)
-			snd_printk(KERN_ERR "usb_set_interface error \n");
-		else
-			err = usb_bulk_msg(dev, usb_sndbulkpipe(dev, 2), buf, dsp->length, &lret, 6000);
-		kfree(buf);
-	}
+	err = usb_set_interface(dev, 0, 1);
+	if (err)
+		snd_printk(KERN_ERR "usb_set_interface error \n");
+	else
+		err = usb_bulk_msg(dev, usb_sndbulkpipe(dev, 2), buf, dsp->length, &lret, 6000);
+	kfree(buf);
 	if (err)
 		return err;
 	if (dsp->index == 1) {