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| author | Takashi Iwai <tiwai@suse.de> | 2021-11-19 11:26:29 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-11-19 11:27:50 +0100 |
| commit | 83de8f83816e8e15227dac985163e3d433a2bf9d (patch) | |
| tree | 09015cc0be774b0b4dd8b9744aa6582ceb42b04c /sound | |
| parent | ALSA: usb-audio: Switch back to non-latency mode at a later point (diff) | |
| download | linux-83de8f83816e8e15227dac985163e3d433a2bf9d.tar.xz linux-83de8f83816e8e15227dac985163e3d433a2bf9d.zip | |
ALSA: usb-audio: Don't start stream for capture at prepare
The recent change made mistakenly the stream for capture started at
prepare stage. Add the stream direction check to avoid it.
Fixes: 9c9a3b9da891 ("ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback")
Link: https://lore.kernel.org/r/20211119102629.7476-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/pcm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 57b046e73bfe..cec6e91afea2 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -640,7 +640,8 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) runtime->delay = 0; subs->lowlatency_playback = lowlatency_playback_available(runtime, subs); - if (!subs->lowlatency_playback) + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && + !subs->lowlatency_playback) ret = start_endpoints(subs); unlock: |