drm/i915: Set i915.invert_brightness=1 on Packard Bell EasyNote LV

Booting Linux on a Packard Bell EasyNote LV casues the display to turn
off.  The fix is to invert the brightness handling in the driver.
<URL: http://www.linlap.com/packard_bell_easynote_lv > got more
information about the laptop.

Bugzilla: http://bugs.debian.org/710938
Signed-off-by: Petter Reinholdtsen <pere@hungry.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d86336b23779ec82d35f59d94b04bd237b1e48b3..e42c16d672f3b4857f92710adff3edba3c0e53bb 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9425,6 +9425,9 @@ static struct intel_quirk intel_quirks[] = {
 
        /* Acer Aspire 4736Z */
        { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
+
+       /* Packard Bell EasyNote LV11HC */
+       { 0x0156, 0x1025, 0x0688, quirk_invert_brightness },
 };
 
 static void intel_init_quirks(struct drm_device *dev)