Comment 0 for bug 1268252

I upgraded from saucy to trusty on my lenovo g505s laptop. After the upgrade, both the physical key and the brightness settings in the gnome-control centre have stopped working. Whatever level of brightness i decrease it to, it always stays on maximum.
I'm able to reproduce this only on kernel 3.13. Works as its supposed to on kernel 3.12

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gnome-control-center 1:3.6.3-0ubuntu50
ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
Uname: Linux 3.13.0-2-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.13.1-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Jan 12 09:17:00 2014
ExecutablePath: /usr/bin/gnome-control-center.real
InstallationDate: Installed on 2013-11-16 (56 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to trusty on 2014-01-06 (5 days ago)