Powerdevil unable to control screen brightness on T60p

Bug #630458 reported by Jens Bayer
18
This bug affects 3 people
Affects Status Importance Assigned to Milestone
kde-workspace (Ubuntu)
Fix Released
Low
Unassigned

Bug Description

since upgrading to Lucid Lynx powerdevil is unable to control screen brightness on Lenovo Thinkpad T60p
when changing power profile (e.g. "Performance" to "Powersave") brightness/backlight will de set to level 0
using slider in battery plasmoid will set brightness to 0 too

Fn + Pos1 / Fn + End buttons do work
changing brighness from command line working too:
sudo bash -c "echo 'level 7' > /proc/acpi/ibm/brightness"

workaround is reported in kubuntu forum:
http://kubuntuforums.net/forums/index.php?topic=3111005.0
that post also says bug came with kernel 2.6.32-19

I'm currently running kernel 2.6.32-24

Revision history for this message
Jens Bayer (jb300180) wrote :
Shimi Chen (shimi-chen)
affects: ubuntu → kdebase-workspace (Ubuntu)
Revision history for this message
Harald Sitter (apachelogger) wrote :

Alex Fiestas suggests this might be fixed in 4.7.2/3... We should have packages for .2 soonish in 11.10 via a stable release update.

affects: kdebase-workspace (Ubuntu) → kde-workspace (Ubuntu)
Changed in kde-workspace (Ubuntu):
importance: Undecided → Low
milestone: none → oneiric-updates
Revision history for this message
Harald Sitter (apachelogger) wrote :
Changed in kde-workspace (Ubuntu):
status: New → Fix Committed
Changed in kde-workspace (Ubuntu):
status: Fix Committed → Fix Released
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