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Bug#681743: i915: display backlight brightness initially set to zero on boot

Gedalya wrote:

> Using an HP dm4t-1200 laptop.
> The backlight is set to zero brightness as soon as the kernel begins to load.
> In my case I can set the brightness higher by simply using the appropriate fn
> key combination, but until then everything looks black.
> It looks to me like the following is the fix:
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=7bd90909bbf9ce7c40e1da3d72b97b93839c188a
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955


I'll try to find some moments to look into this this week.  If I don't get
back to you soon, feel free to ping me.  Those commits are both in 3.5-rc1,
so if you get a chance to test 3.5-rc1 or newer, that would also be useful.

Hope that helps,

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