You have been subscribed to a public bug:
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/video_brightnessdown.sh and
/etc/acpi/video_brightnessup.sh
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
** Affects: kdebase (Ubuntu)
Importance: Undecided
Status: New
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LCD Brightness buttons do not work on Thinkpad X61 Tablet
https://bugs.launchpad.net/bugs/172985
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which is a bug contact for kdebase in ubuntu.
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