diff options
Diffstat (limited to 'sound/usb/usx2y/us122l.c')
-rw-r--r-- | sound/usb/usx2y/us122l.c | 109 |
1 files changed, 45 insertions, 64 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index f86f7a61fb36..709ccad972e2 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -49,7 +49,7 @@ static int us122l_create_usbmidi(struct snd_card *card) static const struct snd_usb_audio_quirk quirk = { .vendor_name = "US122L", .product_name = NAME_ALLCAPS, - .ifnum = 1, + .ifnum = 1, .type = QUIRK_MIDI_US122L, .data = &quirk_data }; @@ -71,7 +71,7 @@ static int us144_create_usbmidi(struct snd_card *card) static const struct snd_usb_audio_quirk quirk = { .vendor_name = "US144", .product_name = NAME_ALLCAPS, - .ifnum = 0, + .ifnum = 0, .type = QUIRK_MIDI_US122L, .data = &quirk_data }; @@ -82,46 +82,20 @@ static int us144_create_usbmidi(struct snd_card *card) &US122L(card)->midi_list, &quirk); } -/* - * Wrapper for usb_control_msg(). - * Allocates a temp buffer to prevent dmaing from/to the stack. - */ -static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe, - __u8 request, __u8 requesttype, - __u16 value, __u16 index, void *data, - __u16 size, int timeout) -{ - int err; - void *buf = NULL; - - if (size > 0) { - buf = kmemdup(data, size, GFP_KERNEL); - if (!buf) - return -ENOMEM; - } - err = usb_control_msg(dev, pipe, request, requesttype, - value, index, buf, size, timeout); - if (size > 0) { - memcpy(data, buf, size); - kfree(buf); - } - return err; -} - static void pt_info_set(struct usb_device *dev, u8 v) { int ret; - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - 'I', - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - v, 0, NULL, 0, 1000); + ret = usb_control_msg_send(dev, 0, 'I', + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + v, 0, NULL, 0, 1000, GFP_NOIO); snd_printdd(KERN_DEBUG "%i\n", ret); } static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) { struct us122l *us122l = area->vm_private_data; + atomic_inc(&us122l->mmap_count); snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); } @@ -140,9 +114,9 @@ static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf) goto unlock; offset = vmf->pgoff << PAGE_SHIFT; - if (offset < PAGE_ALIGN(s->read_size)) + if (offset < PAGE_ALIGN(s->read_size)) { vaddr = (char *)s + offset; - else { + } else { offset -= PAGE_ALIGN(s->read_size); if (offset >= PAGE_ALIGN(s->write_size)) goto unlock; @@ -165,6 +139,7 @@ unlock: static void usb_stream_hwdep_vm_close(struct vm_area_struct *area) { struct us122l *us122l = area->vm_private_data; + atomic_dec(&us122l->mmap_count); snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); } @@ -175,11 +150,11 @@ static const struct vm_operations_struct usb_stream_hwdep_vm_ops = { .close = usb_stream_hwdep_vm_close, }; - static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file) { struct us122l *us122l = hw->private_data; struct usb_interface *iface; + snd_printdd(KERN_DEBUG "%p %p\n", hw, file); if (hw->used >= 2) return -EBUSY; @@ -200,6 +175,7 @@ static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file) { struct us122l *us122l = hw->private_data; struct usb_interface *iface; + snd_printdd(KERN_DEBUG "%p %p\n", hw, file); if (us122l->is_us144) { @@ -248,9 +224,9 @@ static int usb_stream_hwdep_mmap(struct snd_hwdep *hw, } area->vm_ops = &usb_stream_hwdep_vm_ops; - area->vm_flags |= VM_DONTDUMP; + vm_flags_set(area, VM_DONTDUMP); if (!read) - area->vm_flags |= VM_DONTEXPAND; + vm_flags_set(area, VM_DONTEXPAND); area->vm_private_data = us122l; atomic_inc(&us122l->mmap_count); out: @@ -262,7 +238,7 @@ 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 *polled; __poll_t mask; poll_wait(file, &us122l->sk.sleep, wait); @@ -270,6 +246,7 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM | EPOLLERR; if (mutex_trylock(&us122l->mutex)) { struct usb_stream *s = us122l->sk.s; + if (s && s->state == usb_stream_ready) { if (us122l->first == file) polled = &s->periods_polled; @@ -278,8 +255,9 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, if (*polled != s->periods_done) { *polled = s->periods_done; mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM; - } else + } else { mask = 0; + } } mutex_unlock(&us122l->mutex); } @@ -289,6 +267,7 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw, static void us122l_stop(struct us122l *us122l) { struct list_head *p; + list_for_each(p, &us122l->midi_list) snd_usbmidi_input_stop(p); @@ -305,21 +284,22 @@ static int us122l_set_sample_rate(struct usb_device *dev, int rate) data[0] = rate; data[1] = rate >> 8; data[2] = rate >> 16; - err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, - USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, - UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000); - if (err < 0) + err = usb_control_msg_send(dev, 0, UAC_SET_CUR, + USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT, + UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, + 1000, GFP_NOIO); + if (err) snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n", dev->devnum, rate, ep); return err; } static bool us122l_start(struct us122l *us122l, - unsigned rate, unsigned period_frames) + unsigned int rate, unsigned int period_frames) { struct list_head *p; int err; - unsigned use_packsize = 0; + unsigned int use_packsize = 0; bool success = false; if (us122l->dev->speed == USB_SPEED_HIGH) { @@ -346,13 +326,13 @@ static bool us122l_start(struct us122l *us122l, err = us122l_set_sample_rate(us122l->dev, rate); if (err < 0) { us122l_stop(us122l); - snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); + snd_printk(KERN_ERR "us122l_set_sample_rate error\n"); goto out; } err = usb_stream_start(&us122l->sk); if (err < 0) { us122l_stop(us122l); - snd_printk(KERN_ERR "us122l_start error %i \n", err); + snd_printk(KERN_ERR "%s error %i\n", __func__, err); goto out; } list_for_each(p, &us122l->midi_list) @@ -363,12 +343,12 @@ out: } static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, - unsigned cmd, unsigned long arg) + unsigned int cmd, unsigned long arg) { struct usb_stream_config cfg; struct us122l *us122l = hw->private_data; struct usb_stream *s; - unsigned min_period_frames; + unsigned int min_period_frames; int err = 0; bool high_speed; @@ -405,13 +385,13 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file, if (cfg.period_frames < min_period_frames) return -EINVAL; - snd_power_wait(hw->card, SNDRV_CTL_POWER_D0); + snd_power_wait(hw->card); mutex_lock(&us122l->mutex); s = us122l->sk.s; - if (!us122l->master) + if (!us122l->master) { us122l->master = file; - else if (us122l->master != file) { + } else if (us122l->master != file) { if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) { err = -EIO; goto unlock; @@ -457,7 +437,6 @@ static int usb_stream_hwdep_new(struct snd_card *card) return 0; } - static bool us122l_create_card(struct snd_card *card) { int err; @@ -466,13 +445,13 @@ static bool us122l_create_card(struct snd_card *card) if (us122l->is_us144) { err = usb_set_interface(us122l->dev, 0, 1); if (err) { - snd_printk(KERN_ERR "usb_set_interface error \n"); + snd_printk(KERN_ERR "usb_set_interface error\n"); return false; } } err = usb_set_interface(us122l->dev, 1, 1); if (err) { - snd_printk(KERN_ERR "usb_set_interface error \n"); + snd_printk(KERN_ERR "usb_set_interface error\n"); return false; } @@ -487,13 +466,14 @@ static bool us122l_create_card(struct snd_card *card) else err = us122l_create_usbmidi(card); if (err < 0) { - snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err); + snd_printk(KERN_ERR "us122l_create_usbmidi error %i\n", err); goto stop; } err = usb_stream_hwdep_new(card); if (err < 0) { -/* release the midi resources */ + /* release the midi resources */ struct list_head *p; + list_for_each(p, &us122l->midi_list) snd_usbmidi_disconnect(p); @@ -510,7 +490,8 @@ static void snd_us122l_free(struct snd_card *card) { struct us122l *us122l = US122L(card); int index = us122l->card_index; - if (index >= 0 && index < SNDRV_CARDS) + + if (index >= 0 && index < SNDRV_CARDS) snd_us122l_card_used[index] = 0; } @@ -591,7 +572,7 @@ static int snd_us122l_probe(struct usb_interface *intf, if (id->driver_info & US122L_FLAG_US144 && device->speed == USB_SPEED_HIGH) { - snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n"); + snd_printk(KERN_ERR "disable ehci-hcd to run US-144\n"); return -ENODEV; } @@ -627,7 +608,7 @@ static void snd_us122l_disconnect(struct usb_interface *intf) us122l_stop(us122l); mutex_unlock(&us122l->mutex); -/* release the midi resources */ + /* release the midi resources */ list_for_each(p, &us122l->midi_list) { snd_usbmidi_disconnect(p); } @@ -687,13 +668,13 @@ static int snd_us122l_resume(struct usb_interface *intf) if (us122l->is_us144) { err = usb_set_interface(us122l->dev, 0, 1); if (err) { - snd_printk(KERN_ERR "usb_set_interface error \n"); + snd_printk(KERN_ERR "usb_set_interface error\n"); goto unlock; } } err = usb_set_interface(us122l->dev, 1, 1); if (err) { - snd_printk(KERN_ERR "usb_set_interface error \n"); + snd_printk(KERN_ERR "usb_set_interface error\n"); goto unlock; } @@ -703,7 +684,7 @@ static int snd_us122l_resume(struct usb_interface *intf) err = us122l_set_sample_rate(us122l->dev, us122l->sk.s->cfg.sample_rate); if (err < 0) { - snd_printk(KERN_ERR "us122l_set_sample_rate error \n"); + snd_printk(KERN_ERR "us122l_set_sample_rate error\n"); goto unlock; } err = usb_stream_start(&us122l->sk); @@ -743,8 +724,8 @@ static const struct usb_device_id snd_us122l_usb_id_table[] = { }, { /* terminator */ } }; - MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table); + static struct usb_driver snd_us122l_usb_driver = { .name = "snd-usb-us122l", .probe = snd_us122l_probe, |