diff options
Diffstat (limited to 'sound/soc/intel/atom/sst')
| -rw-r--r-- | sound/soc/intel/atom/sst/Makefile | 8 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst.c | 24 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst.h | 41 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_acpi.c | 11 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_drv_interface.c | 18 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_ipc.c | 11 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_loader.c | 24 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_pci.c | 2 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_pvt.c | 7 | ||||
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_stream.c | 44 |
10 files changed, 98 insertions, 92 deletions
diff --git a/sound/soc/intel/atom/sst/Makefile b/sound/soc/intel/atom/sst/Makefile index 795d1cf8f386..5761d30a5f9d 100644 --- a/sound/soc/intel/atom/sst/Makefile +++ b/sound/soc/intel/atom/sst/Makefile @@ -1,8 +1,8 @@ -# SPDX-License-Identifier: GPL-2.0 +# SPDX-License-Identifier: GPL-2.0-only snd-intel-sst-core-objs := sst.o sst_ipc.o sst_stream.o sst_drv_interface.o sst_loader.o sst_pvt.o snd-intel-sst-pci-objs += sst_pci.o snd-intel-sst-acpi-objs += sst_acpi.o -obj-$(CONFIG_SND_SST_IPC) += snd-intel-sst-core.o -obj-$(CONFIG_SND_SST_IPC_PCI) += snd-intel-sst-pci.o -obj-$(CONFIG_SND_SST_IPC_ACPI) += snd-intel-sst-acpi.o +obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM) += snd-intel-sst-core.o +obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_PCI) += snd-intel-sst-pci.o +obj-$(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) += snd-intel-sst-acpi.o diff --git a/sound/soc/intel/atom/sst/sst.c b/sound/soc/intel/atom/sst/sst.c index 68bcec5241f7..a0d29510d2bc 100644 --- a/sound/soc/intel/atom/sst/sst.c +++ b/sound/soc/intel/atom/sst/sst.c @@ -26,7 +26,6 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>"); MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>"); @@ -49,7 +48,7 @@ static irqreturn_t intel_sst_interrupt_mrfld(int irq, void *context) union ipc_header_mrfld header; union sst_imr_reg_mrfld imr; struct ipc_post *msg = NULL; - unsigned int size = 0; + unsigned int size; struct intel_sst_drv *drv = (struct intel_sst_drv *) context; irqreturn_t retval = IRQ_HANDLED; @@ -115,7 +114,7 @@ static irqreturn_t intel_sst_interrupt_mrfld(int irq, void *context) static irqreturn_t intel_sst_irq_thread_mrfld(int irq, void *context) { struct intel_sst_drv *drv = (struct intel_sst_drv *) context; - struct ipc_post *__msg, *msg = NULL; + struct ipc_post *__msg, *msg; unsigned long irq_flags; spin_lock_irqsave(&drv->rx_msg_lock, irq_flags); @@ -187,7 +186,7 @@ int sst_driver_ops(struct intel_sst_drv *sst) "SST Driver capabilities missing for dev_id: %x", sst->dev_id); return -EINVAL; - }; + } } void sst_process_pending_msg(struct work_struct *work) @@ -243,11 +242,11 @@ static ssize_t firmware_version_show(struct device *dev, if (ctx->fw_version.type == 0 && ctx->fw_version.major == 0 && ctx->fw_version.minor == 0 && ctx->fw_version.build == 0) - return sprintf(buf, "FW not yet loaded\n"); + return sysfs_emit(buf, "FW not yet loaded\n"); else - return sprintf(buf, "v%02x.%02x.%02x.%02x\n", - ctx->fw_version.type, ctx->fw_version.major, - ctx->fw_version.minor, ctx->fw_version.build); + return sysfs_emit(buf, "v%02x.%02x.%02x.%02x\n", + ctx->fw_version.type, ctx->fw_version.major, + ctx->fw_version.minor, ctx->fw_version.build); } @@ -325,8 +324,7 @@ int sst_context_init(struct intel_sst_drv *ctx) ret = -ENOMEM; goto do_free_mem; } - pm_qos_add_request(ctx->qos, PM_QOS_CPU_DMA_LATENCY, - PM_QOS_DEFAULT_VALUE); + cpu_latency_qos_add_request(ctx->qos, PM_QOS_DEFAULT_VALUE); dev_dbg(ctx->dev, "Requesting FW %s now...\n", ctx->firmware_name); ret = request_firmware_nowait(THIS_MODULE, true, ctx->firmware_name, @@ -362,16 +360,14 @@ void sst_context_cleanup(struct intel_sst_drv *ctx) sst_unregister(ctx->dev); sst_set_fw_state_locked(ctx, SST_SHUTDOWN); sysfs_remove_group(&ctx->dev->kobj, &sst_fw_version_attr_group); - flush_scheduled_work(); destroy_workqueue(ctx->post_msg_wq); - pm_qos_remove_request(ctx->qos); + cpu_latency_qos_remove_request(ctx->qos); kfree(ctx->fw_sg_list.src); kfree(ctx->fw_sg_list.dst); ctx->fw_sg_list.list_len = 0; kfree(ctx->fw_in_mem); ctx->fw_in_mem = NULL; sst_memcpy_free_resources(ctx); - ctx = NULL; } EXPORT_SYMBOL_GPL(sst_context_cleanup); @@ -425,7 +421,7 @@ static int intel_sst_suspend(struct device *dev) { struct intel_sst_drv *ctx = dev_get_drvdata(dev); struct sst_fw_save *fw_save; - int i, ret = 0; + int i, ret; /* check first if we are already in SW reset */ if (ctx->sst_state == SST_RESET) diff --git a/sound/soc/intel/atom/sst/sst.h b/sound/soc/intel/atom/sst/sst.h index 50441cf6f77d..4d37d39fd8f4 100644 --- a/sound/soc/intel/atom/sst/sst.h +++ b/sound/soc/intel/atom/sst/sst.h @@ -34,6 +34,13 @@ #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4 #define MRFLD_FW_BSS_RESET_BIT 0 +/* SST Shim register map */ +#define SST_CSR 0x00 +#define SST_ISRX 0x18 +#define SST_IMRX 0x28 +#define SST_IPCX 0x38 /* IPC IA -> SST */ +#define SST_IPCD 0x40 /* IPC SST -> IA */ + extern const struct dev_pm_ops intel_sst_pm; enum sst_states { SST_FW_LOADING = 1, @@ -428,34 +435,34 @@ struct intel_sst_ops { }; int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); -int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int id); -int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int id); -int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int id); -int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int id); +int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); +int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); +int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); +int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); -int sst_send_byte_stream_mrfld(struct intel_sst_drv *ctx, - struct snd_sst_bytes_v2 *sbytes); +int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, + struct snd_sst_bytes_v2 *bytes); int sst_set_stream_param(int str_id, struct snd_sst_params *str_param); int sst_set_metadata(int str_id, char *params); -int sst_get_stream(struct intel_sst_drv *sst_drv_ctx, +int sst_get_stream(struct intel_sst_drv *ctx, struct snd_sst_params *str_param); int sst_get_stream_allocated(struct intel_sst_drv *ctx, struct snd_sst_params *str_param, struct snd_sst_lib_download **lib_dnld); int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx, int str_id, bool partial_drain); -int sst_post_message_mrfld(struct intel_sst_drv *ctx, - struct ipc_post *msg, bool sync); -void sst_process_reply_mrfld(struct intel_sst_drv *ctx, struct ipc_post *msg); -int sst_start_mrfld(struct intel_sst_drv *ctx); -int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *ctx); -void intel_sst_clear_intr_mrfld(struct intel_sst_drv *ctx); - -int sst_load_fw(struct intel_sst_drv *ctx); +int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx, + struct ipc_post *ipc_msg, bool sync); +void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *msg); +int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx); +int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx); +void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx); + +int sst_load_fw(struct intel_sst_drv *sst_drv_ctx); int sst_load_library(struct snd_sst_lib_download *lib, u8 ops); void sst_post_download_mrfld(struct intel_sst_drv *ctx); int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx); -void sst_memcpy_free_resources(struct intel_sst_drv *ctx); +void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx); int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block); @@ -490,7 +497,7 @@ int sst_prepare_and_post_msg(struct intel_sst_drv *sst, bool large, bool fill_dsp, bool sync, bool response); void sst_process_pending_msg(struct work_struct *work); -int sst_assign_pvt_id(struct intel_sst_drv *sst_drv_ctx); +int sst_assign_pvt_id(struct intel_sst_drv *drv); int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id); struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx, int str_id); diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index f3cfe83b9ac6..3be64430c256 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -21,6 +21,7 @@ #include <linux/acpi.h> #include <asm/platform_sst_audio.h> #include <sound/core.h> +#include <sound/intel-dsp-config.h> #include <sound/soc.h> #include <sound/compress_driver.h> #include <acpi/acbuffer.h> @@ -31,7 +32,6 @@ #include <sound/soc-acpi.h> #include <sound/soc-acpi-intel-match.h> #include "../sst-mfld-platform.h" -#include "../../common/sst-dsp.h" #include "../../common/soc-intel-quirks.h" #include "sst.h" @@ -247,6 +247,13 @@ static int sst_acpi_probe(struct platform_device *pdev) id = acpi_match_device(dev->driver->acpi_match_table, dev); if (!id) return -ENODEV; + + ret = snd_intel_acpi_dsp_driver_probe(dev, id->id); + if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SST) { + dev_dbg(dev, "SST ACPI driver not selected, aborting probe\n"); + return -ENODEV; + } + dev_dbg(dev, "for %s\n", id->id); mach = (struct snd_soc_acpi_mach *)id->driver_data; @@ -321,7 +328,7 @@ static int sst_acpi_probe(struct platform_device *pdev) } /** -* intel_sst_remove - remove function +* sst_acpi_remove - remove function * * @pdev: platform device structure * diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c index 762495385d5c..dc31c2c8f54c 100644 --- a/sound/soc/intel/atom/sst/sst_drv_interface.c +++ b/sound/soc/intel/atom/sst/sst_drv_interface.c @@ -24,9 +24,6 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" - - #define NUM_CODEC 2 #define MIN_FRAGMENT 2 @@ -139,11 +136,10 @@ static int sst_power_control(struct device *dev, bool state) int usage_count = 0; if (state) { - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count); if (ret < 0) { - pm_runtime_put_sync(dev); dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret); return ret; } @@ -196,11 +192,9 @@ static int sst_cdev_open(struct device *dev, struct stream_info *stream; struct intel_sst_drv *ctx = dev_get_drvdata(dev); - retval = pm_runtime_get_sync(ctx->dev); - if (retval < 0) { - pm_runtime_put_sync(ctx->dev); + retval = pm_runtime_resume_and_get(ctx->dev); + if (retval < 0) return retval; - } str_id = sst_get_stream(ctx, str_params); if (str_id > 0) { @@ -648,11 +642,9 @@ static int sst_send_byte_stream(struct device *dev, if (NULL == bytes) return -EINVAL; - ret_val = pm_runtime_get_sync(ctx->dev); - if (ret_val < 0) { - pm_runtime_put_sync(ctx->dev); + ret_val = pm_runtime_resume_and_get(ctx->dev); + if (ret_val < 0) return ret_val; - } ret_val = sst_send_byte_stream_mrfld(ctx, bytes); sst_pm_runtime_put(ctx); diff --git a/sound/soc/intel/atom/sst/sst_ipc.c b/sound/soc/intel/atom/sst/sst_ipc.c index c2851a829a64..4e039c7173d8 100644 --- a/sound/soc/intel/atom/sst/sst_ipc.c +++ b/sound/soc/intel/atom/sst/sst_ipc.c @@ -24,12 +24,11 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" struct sst_block *sst_create_block(struct intel_sst_drv *ctx, u32 msg_id, u32 drv_id) { - struct sst_block *msg = NULL; + struct sst_block *msg; dev_dbg(ctx->dev, "Enter\n"); msg = kzalloc(sizeof(*msg), GFP_KERNEL); @@ -64,7 +63,7 @@ struct sst_block *sst_create_block(struct intel_sst_drv *ctx, int sst_wake_up_block(struct intel_sst_drv *ctx, int result, u32 drv_id, u32 ipc, void *data, u32 size) { - struct sst_block *block = NULL; + struct sst_block *block; dev_dbg(ctx->dev, "Enter\n"); @@ -92,7 +91,7 @@ int sst_wake_up_block(struct intel_sst_drv *ctx, int result, int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed) { - struct sst_block *block = NULL, *__block; + struct sst_block *block, *__block; dev_dbg(ctx->dev, "Enter\n"); spin_lock_bh(&ctx->block_lock); @@ -129,7 +128,7 @@ int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx, while (header.p.header_high.part.busy) { if (loop_count > 25) { dev_err(sst_drv_ctx->dev, - "sst: Busy wait failed, cant send this msg\n"); + "sst: Busy wait failed, can't send this msg\n"); retval = -EBUSY; goto out; } @@ -342,7 +341,7 @@ void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, } /* FW sent short error response for an IPC */ - if (msg_high.part.result && drv_id && !msg_high.part.large) { + if (msg_high.part.result && !msg_high.part.large) { /* 32-bit FW error code in msg_low */ dev_err(sst_drv_ctx->dev, "FW sent error response 0x%x", msg_low); sst_wake_up_block(sst_drv_ctx, msg_high.part.result, diff --git a/sound/soc/intel/atom/sst/sst_loader.c b/sound/soc/intel/atom/sst/sst_loader.c index ce11c36848c4..eea889001c24 100644 --- a/sound/soc/intel/atom/sst/sst_loader.c +++ b/sound/soc/intel/atom/sst/sst_loader.c @@ -29,7 +29,6 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" void memcpy32_toio(void __iomem *dst, const void *src, int count) { @@ -49,6 +48,7 @@ void memcpy32_fromio(void *dst, const void __iomem *src, int count) /** * intel_sst_reset_dsp_mrfld - Resetting SST DSP + * @sst_drv_ctx: intel_sst_drv context pointer * * This resets DSP in case of MRFLD platfroms */ @@ -76,7 +76,8 @@ int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx) } /** - * sst_start_merrifield - Start the SST DSP processor + * sst_start_mrfld - Start the SST DSP processor + * @sst_drv_ctx: intel_sst_drv context pointer * * This starts the DSP in MERRIFIELD platfroms */ @@ -274,12 +275,10 @@ void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx) struct sst_memcpy_list *listnode, *tmplistnode; /* Free the list */ - if (!list_empty(&sst_drv_ctx->memcpy_list)) { - list_for_each_entry_safe(listnode, tmplistnode, - &sst_drv_ctx->memcpy_list, memcpylist) { - list_del(&listnode->memcpylist); - kfree(listnode); - } + list_for_each_entry_safe(listnode, tmplistnode, + &sst_drv_ctx->memcpy_list, memcpylist) { + list_del(&listnode->memcpylist); + kfree(listnode); } } @@ -387,6 +386,8 @@ void sst_post_download_mrfld(struct intel_sst_drv *ctx) /** * sst_load_fw - function to load FW into DSP + * @sst_drv_ctx: intel_sst_drv context pointer + * * Transfers the FW to DSP using dma/memcpy */ int sst_load_fw(struct intel_sst_drv *sst_drv_ctx) @@ -396,8 +397,7 @@ int sst_load_fw(struct intel_sst_drv *sst_drv_ctx) dev_dbg(sst_drv_ctx->dev, "sst_load_fw\n"); - if (sst_drv_ctx->sst_state != SST_RESET || - sst_drv_ctx->sst_state == SST_SHUTDOWN) + if (sst_drv_ctx->sst_state != SST_RESET) return -EAGAIN; if (!sst_drv_ctx->fw_in_mem) { @@ -412,7 +412,7 @@ int sst_load_fw(struct intel_sst_drv *sst_drv_ctx) return -ENOMEM; /* Prevent C-states beyond C6 */ - pm_qos_update_request(sst_drv_ctx->qos, 0); + cpu_latency_qos_update_request(sst_drv_ctx->qos, 0); sst_drv_ctx->sst_state = SST_FW_LOADING; @@ -442,7 +442,7 @@ int sst_load_fw(struct intel_sst_drv *sst_drv_ctx) restore: /* Re-enable Deeper C-states beyond C6 */ - pm_qos_update_request(sst_drv_ctx->qos, PM_QOS_DEFAULT_VALUE); + cpu_latency_qos_update_request(sst_drv_ctx->qos, PM_QOS_DEFAULT_VALUE); sst_free_block(sst_drv_ctx, block); dev_dbg(sst_drv_ctx->dev, "fw load successful!!!\n"); diff --git a/sound/soc/intel/atom/sst/sst_pci.c b/sound/soc/intel/atom/sst/sst_pci.c index d952719bc098..5862fe968083 100644 --- a/sound/soc/intel/atom/sst/sst_pci.c +++ b/sound/soc/intel/atom/sst/sst_pci.c @@ -99,7 +99,7 @@ static int sst_platform_get_resources(struct intel_sst_drv *ctx) dev_dbg(ctx->dev, "DRAM Ptr %p\n", ctx->dram); do_release_regions: pci_release_regions(pci); - return 0; + return ret; } /* diff --git a/sound/soc/intel/atom/sst/sst_pvt.c b/sound/soc/intel/atom/sst/sst_pvt.c index 13db2854db3e..e6a5c18a7018 100644 --- a/sound/soc/intel/atom/sst/sst_pvt.c +++ b/sound/soc/intel/atom/sst/sst_pvt.c @@ -26,7 +26,6 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" int sst_shim_write(void __iomem *addr, int offset, int value) { @@ -188,7 +187,7 @@ int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large, struct intel_sst_drv *sst_drv_ctx, struct sst_block **block, u32 msg_id, u32 drv_id) { - int retval = 0; + int retval; retval = sst_create_ipc_msg(arg, large); if (retval) @@ -198,7 +197,7 @@ int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large, kfree(*arg); return -ENOMEM; } - return retval; + return 0; } /* @@ -223,9 +222,9 @@ int sst_prepare_and_post_msg(struct intel_sst_drv *sst, size_t mbox_data_len, const void *mbox_data, void **data, bool large, bool fill_dsp, bool sync, bool response) { + struct sst_block *block = NULL; struct ipc_post *msg = NULL; struct ipc_dsp_hdr dsp_hdr; - struct sst_block *block; int ret = 0, pvt_id; pvt_id = sst_assign_pvt_id(sst); diff --git a/sound/soc/intel/atom/sst/sst_stream.c b/sound/soc/intel/atom/sst/sst_stream.c index ea09f4170201..ea1ef8a61fa6 100644 --- a/sound/soc/intel/atom/sst/sst_stream.c +++ b/sound/soc/intel/atom/sst/sst_stream.c @@ -23,7 +23,6 @@ #include <asm/platform_sst_audio.h> #include "../sst-mfld-platform.h" #include "sst.h" -#include "../../common/sst-dsp.h" int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params) { @@ -92,8 +91,8 @@ int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params) /** * sst_realloc_stream - Send msg for (re-)allocating a stream using the - * @sst_drv_ctx intel_sst_drv context pointer - * @str_id: stream ID + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID * * Send a msg for (re-)allocating a stream using the parameters previously * passed to sst_alloc_stream_mrfld() for the same stream ID. @@ -142,12 +141,13 @@ out: } /** -* sst_start_stream - Send msg for a starting stream -* @str_id: stream ID -* -* This function is called by any function which wants to start -* a stream. -*/ + * sst_start_stream - Send msg for a starting stream + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID + * + * This function is called by any function which wants to start + * a stream. + */ int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id) { int retval = 0; @@ -234,7 +234,8 @@ out: /** * sst_pause_stream - Send msg for a pausing stream - * @str_id: stream ID + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID * * This function is called by any function which wants to pause * an already running stream. @@ -278,7 +279,8 @@ int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id) /** * sst_resume_stream - Send msg for resuming stream - * @str_id: stream ID + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID * * This function is called by any function which wants to resume * an already paused stream. @@ -345,7 +347,8 @@ int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id) /** * sst_drop_stream - Send msg for stopping stream - * @str_id: stream ID + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID * * This function is called by any function which wants to stop * a stream. @@ -377,12 +380,14 @@ int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id) } /** -* sst_drain_stream - Send msg for draining stream -* @str_id: stream ID -* -* This function is called by any function which wants to drain -* a stream. -*/ + * sst_drain_stream - Send msg for draining stream + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID + * @partial_drain: boolean indicating if a gapless transition is taking place + * + * This function is called by any function which wants to drain + * a stream. + */ int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx, int str_id, bool partial_drain) { @@ -415,7 +420,8 @@ int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx, /** * sst_free_stream - Frees a stream - * @str_id: stream ID + * @sst_drv_ctx: intel_sst_drv context pointer + * @str_id: stream ID * * This function is called by any function which wants to free * a stream. |