drm/i915: quirk invert brightness for Acer Aspire 5336

Since
commit ee1452d7458451a7508e0663553ce88d63958157
Author: Jani Nikula <[email protected]>
Date:   Fri Sep 20 15:05:30 2013 +0300

    drm/i915: assume all GM45 Acer laptops use inverted backlight PWM

failed and was later reverted in
commit be505f643925e257087247b996cd8ece787c12af
Author: Alexander van Heukelum <[email protected]>
Date:   Sat Dec 28 21:00:39 2013 +0100

    Revert "drm/i915: assume all GM45 Acer laptops use inverted backlight PWM"

fix the individual broken machine instead.

Note to backporters:

http://patchwork.freedesktop.org/patch/17837/

is the patch you want for 3.13 and older.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54171
Reference: http://mid.gmane.org/[email protected]
CC: [email protected]
Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
[danvet: Patch mangling for 3.14 plus adding the link to the original
for 3.13.]
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8a715d4fae8493662adb2ac9773d6473745a6d83..422c942bc1b23e5cebcf8ec62ed0585aeb75061e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10951,6 +10951,9 @@ static struct intel_quirk intel_quirks[] = {
 
        /* Acer Aspire 4736Z */
        { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
+
+       /* Acer Aspire 5336 */
+       { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
 };
 
 static void intel_init_quirks(struct drm_device *dev)