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drm/i915: quirk invert brightness for Acer Aspire 5336

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commit 0f540c3a7c upstream.

Since
commit ee1452d745
Author: Jani Nikula <jani.nikula@intel.com>
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 be505f6439
Author: Alexander van Heukelum <heukelum@fastmail.fm>
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/DUB115-W7628C7C710EA51AA110CD4A5000@phx.gbl
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Patch mangling for 3.14 plus adding the link to the original
for 3.13.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
This commit is contained in:
Jani Nikula
2014-01-13 17:30:34 +02:00
committed by Kamal Mostafa
parent 7bf9d29202
commit 083bda2f11
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/intel_display.c
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@@ -8941,6 +8941,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer Aspire 4736Z */
{ 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
/* Acer Aspire 5336 */
{ 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
/* Dell XPS13 HD Sandy Bridge */
{ 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
/* Dell XPS13 HD and XPS13 FHD Ivy Bridge */