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authorTakashi Iwai <tiwai@suse.de>2021-11-19 11:26:29 +0100
committerTakashi Iwai <tiwai@suse.de>2021-11-19 11:27:50 +0100
commit83de8f83816e8e15227dac985163e3d433a2bf9d (patch)
tree09015cc0be774b0b4dd8b9744aa6582ceb42b04c /sound
parenteee5d6f1356a016105a974fb176b491288439efa (diff)
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.c3
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: