drm/radeon: add get_backlight_level callback
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Sep 2012 13:59:26 +0000 (09:59 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 27 Sep 2012 14:22:41 +0000 (10:22 -0400)
Read back the backlight level from the hw.
Needed for proper backlight restoration on resume.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

No differences found