提交 dfb3d47b 编写于 作者: S Scot Doyle 提交者: Jani Nikula

drm/i915: Ignore VBT backlight presence check on Acer C720 (4005U)

commit c675949e
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Wed Apr 9 11:31:37 2014 +0300

    drm/i915: do not setup backlight if not available according to VBT

prevents backlight setup on the Acer C720 (Core i3 4005U CPU), which has a
misconfigured VBT. Apply quirk to ignore the VBT backlight presence check
during backlight setup.
Signed-off-by: NScot Doyle <lkml14@scotdoyle.com>
Tested-by: NTyler Cleveland <siralucardt@openmailbox.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org (3.15+)
Signed-off-by: NJani Nikula <jani.nikula@intel.com>
上级 52addcf9
......@@ -12481,6 +12481,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
{ 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
/* Acer C720 Chromebook (Core i3 4005U) */
{ 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
/* Toshiba CB35 Chromebook (Celeron 2955U) */
{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
......
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