From: Scot Doyle <lkml14@scotdoyle.com>
Date: Thu, 3 Jul 2014 23:27:51 +0000 (+0000)
Subject: drm/i915: Acer C720 and C720P have controllable backlights
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~315^2~1^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758;p=pandora-kernel.git

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>
---

Reading git-diff-tree failed