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drm/i915: panel: invert brightness acer aspire 5734z

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Mark the Acer Aspire 5734Z that this machines requires the module to
invert the panel backlight brightness value after reading from and prior
to writing to the PCI configuration space.

Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Carsten Emde 2012-03-15 15:56:27 +01:00 committed by Daniel Vetter
parent 4dca20efb1
commit 5a15ab5b93
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/intel_display.c
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@ -9021,7 +9021,8 @@ static void quirk_ssc_force_disable(struct drm_device *dev)
}
/*
* A machine may need to invert the panel backlight brightness value
* A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
* brightness value
*/
static void quirk_invert_brightness(struct drm_device *dev)
{
@ -9061,6 +9062,9 @@ struct intel_quirk intel_quirks[] = {
/* Sony Vaio Y cannot use SSC on LVDS */
{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
/* Acer Aspire 5734Z must invert backlight brightness */
{ 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
};
static void intel_init_quirks(struct drm_device *dev)