ALSA: usb-audio: uac1: Invalidate ctl on interrupt

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When an interrupt occurs, the value of at least one of the belonging
controls should have changed. To make sure they get re-read from device
on the next read, invalidate the cache. This was correctly implemented
for uac2 already, but missing for uac1.

Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Julian Scheel 2017-11-16 17:35:17 +01:00 • committed by Takashi Iwai

parent 3aabf94c2d

commit b2500b584c

1 changed files with 6 additions and 1 deletions

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sound/usb/mixer.c

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