Packard Bell EasyNote LV need i915.invert_brightness=1

[Petter Reinholdtsen]

[Daniel Vetter]
> Hi Petter,
> 
> Can you please make this into a real kernel patch with commit
> message, sob line and all? See Documentation/SubmittingPatches. Diff
> itself looks good.

Sure.  This is my first try, so I hope I got it right.


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.

Bug reports:
http://bugs.debian.org/710938

Signed-off-by: Petter Reinholdtsen <pere at hungry.com>
---

--- linux-3.9.5.orig/drivers/gpu/drm/i915/intel_display.c
+++ linux-3.9.5/drivers/gpu/drm/i915/intel_display.c
@@ -8786,6 +8786,9 @@ 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)


--
Happy hacking
Petter Reinholdtsen