ALSA: hda - Implement path-based power filter to the generic parser

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This patch adds a better power filter hook for powering down unused
widgets in the generic parser.

The feature is enabled by setting hda_gen_spec.power_down_unused
flag.

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

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This commit is contained in:

Takashi Iwai 2013-01-24 17:32:56 +01:00

parent 9040d102da

commit 55196fffc9

2 changed files with 68 additions and 6 deletions

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73

sound/pci/hda/hda_generic.c

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1

sound/pci/hda/hda_generic.h

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