ALSA: hda - implement link_power ops for i915 display power control
authorMengdong Lin <mengdong.lin@intel.com>
Wed, 29 Apr 2015 09:43:29 +0000 (17:43 +0800)
committerTakashi Iwai <tiwai@suse.de>
Wed, 29 Apr 2015 10:27:53 +0000 (12:27 +0200)
commit17eccb27fce7cac8469dd9e828645a3ba256fc1e
tree847fcecfd604da3b7b57746258bbd7509a6a34af
parenta5e7e07c264bb76d0b7c782766989c491833de05
ALSA: hda - implement link_power ops for i915 display power control

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>
sound/pci/hda/hda_controller.c
sound/pci/hda/hda_controller.h
sound/pci/hda/hda_intel.c