tree 8f80a5e615fbe8ca3c698974d17d426f0d9c27fb
parent 73580fb764c4213d305c0d36bd8f856ae631eb42
author Jani Nikula <jani.nikula@intel.com> 1407852702 +0300
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1409734461 +0200

drm/i915: switch off backlight for backlight class 0 brightness

Make backlight class sysfs brightness 0 value switch off the backlight
for connectors that have the backlight_power callback defined. For eDP,
this has the similar caveats regarding power savings as bl_power as only
the power sequencer backlight control is switched off.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed_by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>