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behrends/Enable volume change notifications in Jaunty on Thinkpad

Created July 4, 2009 23:29
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Enable volume change notifications in Jaunty on Thinkpad
bash:~$ cat /proc/acpi/ibm/hotkey
status: enabled
mask: 0x008c7fff
commands: enable, disable, reset, <mask>
0x008c7fff means that in the mask there are only certain buttons.
Change the mask to 0x00ffffff and volume works fine (must be root).
echo 0x00ffffff >/proc/acpi/ibm/hotkey
Add it to /etc/rc.local to save it permanantly.
Thats not the best way, may be in future the defaults will be changed.
[Found in https://bugs.launchpad.net/ubuntu/+source/hotkey-setup/+bug/364127]
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