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Merge "sound: usb: Ensure UAC3 Power Domain is set to D0 when enabling stream"

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qctecmdr 2020-07-10 03:37:15 -07:00 • committed by Gerrit - the friendly Code Review server
commit bcd2f67f9d
1 changed files with 7 additions and 0 deletions
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7
sound/usb/pcm.c
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@ -640,6 +640,8 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
return 0;
}
static int snd_usb_pcm_change_state(struct snd_usb_substream *subs, int state);
int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
int datainterval, bool enable)
{
@ -661,6 +663,11 @@ int snd_usb_enable_audio_stream(struct snd_usb_substream *subs,
}
snd_usb_autoresume(subs->stream->chip);
ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
if (ret < 0)
return ret;
if (datainterval != -EINVAL)
fmt = find_format_and_si(subs, datainterval);
else