diff options
| author |   Scot Doyle <lkml14@scotdoyle.com> | 2014-07-03 23:27:51 +0000 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-09 09:50:52 +0200 |
| commit | 2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758 (patch) | |
| tree | 9fd36eba420428e4e0ce611b6308b09565416098 /drivers | |
| parent | drm/i915: quirk asserts controllable backlight presence, overriding VBT (diff) | |
| download | linux-dev-2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758.tar.xz linux-dev-2e93a1aa9ca455aa3ad0294bcd6d66f38bf8b758.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 949c765037ed..2ee81656f80a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11667,6 +11667,9 @@ static struct intel_quirk intel_quirks[] = { /* Acer Aspire 5336 */ { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, + + /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ + { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, }; static void intel_init_quirks(struct drm_device *dev) |