[ltp] Brightness Buttons

Michael Gaber linux-thinkpad@linux-thinkpad.org
Tue, 25 Mar 2008 17:13:38 +0100


i noticed that it might be a problem with newer kernels, i don't have 
anything from these buttons when the kernel states
"processing uevents"
before (bios, grub initramfs, start of boot) the buttons work just fine
(2.6.24 + some patches here)

Thomas Kahle schrieb:
> Hi everyone,
> 
> i recently upgraded the BIOS of my X61s to version 2.07.
> Now the brightness keys(Fn+home and Fn+end) don't send acpi events
> anymore. (and acpid cannot respond...)
> The other Fn+something keys work perfectly.
> I use thinkpad-acpi version 0.19 which is included in kernel 2.6.25-r6
> Any ideas where to start investigation ?
> 
> Thanks
> Thomas