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ALSA: hda - Avoid unnecessary power-up at mixer amp changes
authorTakashi Iwai <tiwai@suse.de>
Fri, 20 Feb 2015 09:26:25 +0000 (10:26 +0100)
committerTakashi Iwai <tiwai@suse.de>
Fri, 20 Feb 2015 09:37:48 +0000 (10:37 +0100)
When the mixer amp is touched by control elements, we don't have to
power up always; if the codec was suspended at the time, we can just
update the amp cache and it's reflected to the hardware upon resume.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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