Re: [Intel-gfx] [PATCH-V2 2/2] ALSA:hda - reset display codec when power on

2015-04-28 Thread shuang . he
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) Task id: 6277 -Summary- Platform Delta drm-intel-nightly Series Applied PNV

[Intel-gfx] [PATCH-V2 2/2] ALSA:hda - reset display codec when power on

2015-04-28 Thread han . lu
From: "Lu, Han" In SKL, HDMI/DP codec and PCH HD Audio Controller are in different power wells, so it's necessary to reset display audio codecs when power well on, otherwise display audio codecs will disappear when resume from low power state. The reset step when power on is: enable codec wak