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authorTakashi Iwai <tiwai@suse.de>2012-05-08 16:52:23 +0200
committerTakashi Iwai <tiwai@suse.de>2012-05-08 18:00:47 +0200
commit7f30830b7b82e5225c38a48b387e44f3defe40e2 (patch)
tree18eed775bdfb03289a993de5f2859e0a8683eb74 /sound/sound_firmware.c
parentc382a9f009d7332e16919154e01f5554eeb095ed (diff)
ALSA: hda - Always resume the codec immediately
This is a fix for the problem in commit 785f857d1c, the pop noise issue on some machines with ALC269. The problem was the uninitialized state after the resume due to the delayed resume of the codec chips. In that commit, we tried to fix by forcibly putting the codec to D3 at suspend. But, this still also leaves the uninitialized state after resume, and it _might_ be still problematic with some BIOS. Since the commit turned out to regress another issues, we reverted it in the end. Now, in this fix, try to fix by turning on the codec immediately at the resume path. We need to take care of the power-saving in this case. When the device is woken up at the power-saved state, it should go power-saving again after the resume. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/sound_firmware.c')
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