diff --git a/[refs] b/[refs]
index 06d825a54e8e..97b32713c53f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 01e3a8feb40e54b962a20fa7eb595c5efef5e109
+refs/heads/master: 5559ecadad5a73b27f863e92f4b4f369501dce6f
diff --git a/trunk/drivers/gpu/drm/i915/intel_display.c b/trunk/drivers/gpu/drm/i915/intel_display.c
index 8575a62d29d3..726278668ab6 100644
--- a/trunk/drivers/gpu/drm/i915/intel_display.c
+++ b/trunk/drivers/gpu/drm/i915/intel_display.c
@@ -8605,6 +8605,9 @@ static 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)