The patch below does not apply to the 3.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 0f540c3a7cfb91c9d7a19eb0c95c24c5de1197d5 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@xxxxxxxxx>
Date: Mon, 13 Jan 2014 17:30:34 +0200
Subject: [PATCH] drm/i915: quirk invert brightness for Acer Aspire 5336
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Since
commit ee1452d7458451a7508e0663553ce88d63958157
Author: Jani Nikula <jani.nikula@xxxxxxxxx>
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 <heukelum@xxxxxxxxxxx>
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@xxxxxxx
CC: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
[danvet: Patch mangling for 3.14 plus adding the link to the original
for 3.13.]
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8a715d4fae84..422c942bc1b2 100644
--- 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)
--
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