diff options
Diffstat (limited to 'sound/usb/pcm.c')
| -rw-r--r-- | sound/usb/pcm.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index ef6fa24fc473..e919c2e40fa0 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -173,11 +173,8 @@ static int init_pitch_v2(struct snd_usb_audio *chip, int iface, { struct usb_device *dev = chip->dev; unsigned char data[1]; - unsigned int ep; int err; - ep = get_endpoint(alts, 0)->bEndpointAddress; - data[0] = 1; if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR, USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT, @@ -214,7 +211,7 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, } } -static int start_endpoints(struct snd_usb_substream *subs, int can_sleep) +static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep) { int err; @@ -266,16 +263,18 @@ static int start_endpoints(struct snd_usb_substream *subs, int can_sleep) return 0; } -static void stop_endpoints(struct snd_usb_substream *subs, - int force, int can_sleep, int wait) +static void stop_endpoints(struct snd_usb_substream *subs, bool wait) { if (test_and_clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags)) - snd_usb_endpoint_stop(subs->sync_endpoint, - force, can_sleep, wait); + snd_usb_endpoint_stop(subs->sync_endpoint); if (test_and_clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags)) - snd_usb_endpoint_stop(subs->data_endpoint, - force, can_sleep, wait); + snd_usb_endpoint_stop(subs->data_endpoint); + + if (wait) { + snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint); + snd_usb_endpoint_sync_pending_stop(subs->data_endpoint); + } } static int deactivate_endpoints(struct snd_usb_substream *subs) @@ -447,7 +446,7 @@ static int configure_endpoint(struct snd_usb_substream *subs) int ret; /* format changed */ - stop_endpoints(subs, 0, 0, 0); + stop_endpoints(subs, true); ret = snd_usb_endpoint_set_params(subs->data_endpoint, subs->pcm_format, subs->channels, @@ -533,7 +532,7 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->period_bytes = 0; down_read(&subs->stream->chip->shutdown_rwsem); if (!subs->stream->chip->shutdown) { - stop_endpoints(subs, 0, 1, 1); + stop_endpoints(subs, true); deactivate_endpoints(subs); } up_read(&subs->stream->chip->shutdown_rwsem); @@ -608,7 +607,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) /* for playback, submit the URBs now; otherwise, the first hwptr_done * updates for all URBs would happen at the same time when starting */ if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) - ret = start_endpoints(subs, 1); + ret = start_endpoints(subs, true); unlock: up_read(&subs->stream->chip->shutdown_rwsem); @@ -1013,7 +1012,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction) struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_usb_substream *subs = &as->substream[direction]; - stop_endpoints(subs, 0, 0, 0); + stop_endpoints(subs, true); if (!as->chip->shutdown && subs->interface >= 0) { usb_set_interface(subs->dev, subs->interface, 0); @@ -1248,7 +1247,7 @@ static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substrea subs->running = 1; return 0; case SNDRV_PCM_TRIGGER_STOP: - stop_endpoints(subs, 0, 0, 0); + stop_endpoints(subs, false); subs->running = 0; return 0; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: @@ -1269,7 +1268,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream switch (cmd) { case SNDRV_PCM_TRIGGER_START: - err = start_endpoints(subs, 0); + err = start_endpoints(subs, false); if (err < 0) return err; @@ -1277,7 +1276,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream subs->running = 1; return 0; case SNDRV_PCM_TRIGGER_STOP: - stop_endpoints(subs, 0, 0, 0); + stop_endpoints(subs, false); subs->running = 0; return 0; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |