ALSA: hda - Add support for vref-out based mute LED control on IDT codecs

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This patch also registers all necessary callbacks to support mute LED
only when such control is enabled. And it keeps codec AFG in D0 or D1
state all the time when aggressive power managemnt is enabled for vref-out
control (and mute LED) work correctly.

Signed-off-by: Vitaliy Kulikov <Vitaliy.Kulikov@idt.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Vitaliy Kulikov 2011-07-26 16:56:20 -05:00 • committed by Takashi Iwai

parent 636f78581d

commit 45eebda7b4

1 changed files with 156 additions and 43 deletions

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sound/pci/hda/patch_sigmatel.c

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