From 85bea48d42a7dd55e08aa1423429767a8a395bbf Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Tue, 22 Jan 2013 12:50:36 +0200
Subject: [PATCH] drm/i915: add quirk to invert brightness on Packard Bell
 NCL20

commit 5559ecadad5a73b27f863e92f4b4f369501dce6f upstream.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44156
Reported-by: Alan Zimmerman <alan.zimm@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 drivers/gpu/drm/i915/intel_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 847777b98b51..897ca06f4242 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8913,6 +8913,9 @@ struct intel_quirk intel_quirks[] = {
 
 	/* Acer/eMachines e725 */
 	{ 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
+
+	/* Acer/Packard Bell NCL20 */
+	{ 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
 };
 
 static void intel_init_quirks(struct drm_device *dev)
-- 
2.39.2