Public bug reported:
On the Lenovo X1 Carbon, the brightness/backlight hotkeys work fine in
quantal. In Raring they don't. The OSD for the brightness control
appears but never moves by more than about 10%.
This is only a problem with the hotkeys. I can still change the
brightness properly in the Brightness & Lock panel. And I can change the
brightness properly by writing to /sys/class/backlight/...
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: gnome-control-center 1:3.6.3-0ubuntu12
ProcVersionSignature: Ubuntu 3.8.0-5.10-generic 3.8.0-rc6
Uname: Linux 3.8.0-5-generic x86_64
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
Date: Mon Feb 11 19:19:20 2013
InstallationDate: Installed on 2013-02-11 (0 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130209)
MarkForUpload: True
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_gnome-control-center:
activity-log-manager-control-center 0.9.4-0ubuntu6.1
deja-dup 25.5-0ubuntu1
gnome-control-center-signon 0.1.2bzr12.12.05-0ubuntu1
gnome-control-center-unity 1.2-0ubuntu1
indicator-datetime 12.10.3daily13.02.06-0ubuntu1
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug raring regression-release running-unity
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Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1121951
Title:
Lenovo X1 Carbon: Backlight brightness keys don't work any more
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