drm/i915: Acer C720 and C720P have controllable backlights
authorScot Doyle <lkml14@scotdoyle.com>
Thu, 3 Jul 2014 23:27:51 +0000 (23:27 +0000)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 9 Jul 2014 07:50:52 +0000 (09:50 +0200)
commit2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758
tree9fd36eba420428e4e0ce611b6308b09565416098
parent9c72cc6f00d24711ef585772396dd1ae180881a6
drm/i915: Acer C720 and C720P have controllable backlights

The Acer C720 and C720P Chromebooks (with Celeron 2955U CPU) have a
controllable backlight although their VBT reports otherwise. Apply quirk
to ignore the backlight presence check during backlight setup.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Tested-by: James Duley <jagduley@gmail.com>
Tested-by: Michael Mullin <masmullin@gmail.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c