drm/i915: panel: invert brightness via quirk
authorCarsten Emde <C.Emde@osadl.org>
Thu, 15 Mar 2012 14:56:26 +0000 (15:56 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Sun, 18 Mar 2012 20:48:18 +0000 (21:48 +0100)
commit4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955
tree807c4807c91bf53db35fd28e05eaeaa846d41bde
parent7bd90909bbf9ce7c40e1da3d72b97b93839c188a
drm/i915: panel: invert brightness via quirk

A machine may need to invert the panel backlight brightness value. This
patch adds the infrastructure for a quirk to do so.

Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Documentation/kernel-parameters.txt
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_panel.c