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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 62e5336235b35640f4b408d69664a9a78ebf6cf0..d3f834a56ab33f99b98799db87c70201e37bca5d 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8907,6 +8907,9 @@ 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)