drm/i915: inverted brightness quirk for Acer Aspire 4736Z

commit ac4199e0f047546aa40172785e26c82b54bbe811 upstream.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=53881
Cc: Jani Nikula <jani.nikula@intel.com>
Tested-by: Jani Monoses <jani@ubuntu.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2ea8a96..0a2bc19 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8946,6 +8946,9 @@ struct intel_quirk intel_quirks[] = {
        /* Acer/Packard Bell NCL20 */
        { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
 
+       /* Acer Aspire 4736Z */
+       { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
+
        /* Dell XPS13 HD Sandy Bridge */
        { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
        /* Dell XPS13 HD and XPS13 FHD Ivy Bridge */