ALSA: hda - implement link_power ops for i915 display power control

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This patch implements the bus link_power ops to request/release i915 display
power well. It can be used by the display codec which shares this power well
with GPU on Intel platforms.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Mengdong Lin 2015-04-29 17:43:29 +08:00 • committed by Takashi Iwai

parent a5e7e07c26

commit 17eccb27fc

3 changed files with 22 additions and 0 deletions

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11

sound/pci/hda/hda_controller.c

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2

sound/pci/hda/hda_controller.h

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9

sound/pci/hda/hda_intel.c

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