Public bug reported:
Binary package hint: gnome-power-manager
Hi,
When swtiching from AC to battery (and back to AC), the screen
brightness is not dimmed, while g-p-m is configured as it should (at
least, I think it is).
this is using an Acer Timeline 1810TZ with the latest available BIOS
update (3303).
The brightness can be adjusted using the fn keys or the brightness
applet. Setting the default brightness via g-p-m preference window also
works.
I do have an /sys/class/backlight/acpi_video0/brightness file, which is
set to the current brightness.
I have also noticed that g-p-m needs a few seconds before updating its
status when unplugging the laptop from AC (or plugging it again), which
might means some information are incorrectly sent by acpi (?) but I am
not sure what information should be provided to try and debug this
issue.
Cheers,
Julien
ProblemType: Bug
Architecture: amd64
Date: Tue Feb 16 10:13:27 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: gnome-power-manager 2.28.1-0ubuntu1.3
ProcEnviron:
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-19.56-generic
SourcePackage: gnome-power-manager
Uname: Linux 2.6.31-19-generic x86_64
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
Brightness not adjusted when switching from AC to battery
https://bugs.launchpad.net/bugs/522525
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