[Quantal] pull-request: i915 backlight control fixes

[Kamal Mostafa]

On Tue, 2012-09-18 at 11:44 -0700, Kamal Mostafa wrote:
> These i915 backlight patches (cherry-picked from upstream v3.6-rc1)
> enable non-functional brightness controls for various laptops including
> the Dell XPS 13.


Um...   s/enable/fix/

:-)

 -Kamal



> Bug reference: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/954661
> 
> This exact patch set has been in use in the HWE Sputnik kernel PPA for
> several months[1].
> 
> Please consider applying these to Quantal.
> 
> Thanks,
> 
>  -Kamal
> 
> 
> [1] https://launchpad.net/~canonical-hwe-team/+archive/sputnik-kernel
> 
> 
> ----------
> 
> 
> The following changes since commit 85ac57fe519d62aaed30b504dccbd7a50a2d68b7:
> 
>   UBUNTU: Start new release (2012-09-18 08:40:48 -0400)
> 
> are available in the git repository at:
> 
>   git://kernel.ubuntu.com/kamal/ubuntu-quantal.git lp954661
> 
> for you to fetch changes up to 895ea8045ef3f5f1f4da689da5e07d8a2f16416e:
> 
>   drm/i915: allow pipe A for lvds on gen4 (2012-09-18 11:20:19 -0700)
> 
> ----------------------------------------------------------------
> Daniel Vetter (4):
>       drm/i915: pnv has a backlight polarity control bit, too
>       drm/i915: clear up backlight #define confusion on gen4+
>       drm/i915: properly enable the blc controller on the right pipe
>       drm/i915: allow pipe A for lvds on gen4
> 
>  drivers/gpu/drm/i915/i915_reg.h    |   57 +++++++++++++++++++++++-------------
>  drivers/gpu/drm/i915/intel_drv.h   |    3 +-
>  drivers/gpu/drm/i915/intel_lvds.c  |   34 +++++----------------
>  drivers/gpu/drm/i915/intel_panel.c |   38 +++++++++++++++++++++++-
>  4 files changed, 84 insertions(+), 48 deletions(-)
> 

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