LCD Brightness buttons do not work on ThinkPad R61/T61/X61
Bug #172985 reported by
pullin
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Fedora |
Invalid
|
Undecided
|
Unassigned | ||
Ubuntu |
Fix Released
|
Undecided
|
Unassigned | ||
Bug Description
Brightness up and down buttons (Fn + Home, Fn + End) don't work.
Running kubuntu, gutsy 7.10.
acpid catches events fine, and invokes /etc/acpi/
The scripts there run acpi_fakekey 224 or 225 , which doesn't seem to do anything.
Changing these to:
echo 4 > /proc/apci/ibm/cmos
and
echo 5 > /proc/acpi/ibm/cmos
Fixes the problem, although it may just be a bandaid. Shouldn't acpi_fakekey work?
-Andrew
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This is not KDE specific, the same happens with gnome