Public bug reported:
In my laptop i have 2 entries under /sys/class/backlight
* acpi_video0
* toshiba
if if echo to acpi_video0 the brightness works, if i do to toshiba it
does nothing.
Gnome seems to only pick toshiba and there is no way to tell it to use
acpi_video0 instead.
BTW i have a toshiba laptop so i assume the toshiba entry is correct.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.4.2-0ubuntu0.2
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CheckboxSubmission: 92c64f4126aa1f02bd3a8fbf55bd151f
CheckboxSystem: b1865df84255b8716d3bcc269ff410d1
Date: Thu Jul 5 20:38:39 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120423)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-settings-daemon
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1021437
Title:
gnome settings picks the wrong file in /sys/class/backlight to change
the brightness
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