Good news to report from upstream... the last of Matthew Garrett's
backlight brightness patches has seen some renewed activity on the
intel-gfx mailing list[1]. I expect the latest version of the patch[2]
(targeted for linux kernel version 3.1) to be merged into the mainline
trees soon.
I have applied this latest version of the backlight patch to my PPA
kernels for Oneiric and Natty (Maverick still uses the older backlight
patches). The PPA kernels have also all been updated to the latest
Ubuntu kernel baseline versions. The PPA builds are in progress and
should become available in the next several hours:
https://launchpad.net/~kamalmostafa/+archive/linux-kamal-
mjgbacklight
My git source trees for these kernels have also all been updated (see
the links to them on the PPA page).
[1] http://comments.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/5368
[2] http://permalink.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/5434
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https://bugs.launchpad.net/bugs/568611
Title:
Screen brightness control fails on Dell Studio 1558
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