Re: Power-Button

[Andreas Tille <tillea@rki.de>]

On Tue, 16 Nov 2004, Ralf Gerlich wrote:

> Have a look at /proc/acpi/button/.
$ ls -l /proc/acpi/button/
total 0
dr-xr-xr-x  3 root root 0 Nov 16 13:09 lid
dr-xr-xr-x  3 root root 0 Nov 16 13:09 power
$ ls -l /proc/acpi/button/power/
total 0
dr-xr-xr-x  2 root root 0 Nov 16 13:10 PWRF
$ ls -l /proc/acpi/button/power/PWRF/
total 0
-r--r--r--  1 root root 0 Nov 16 13:10 info
$ cat /proc/acpi/button/power/PWRF/info 
type:                    Power Button (FF)

For lid there is an extra state file:

$ ls -l /proc/acpi/button/lid/LID/ 
total 0
-r--r--r--  1 root root 0 Nov 16 13:10 info
-r--r--r--  1 root root 0 Nov 16 13:10 state

> The available buttons should be listed there. If the power button isn't listed, then for some reason your kernel doesn't detect it. Whatever reason that may be...
When I configured the kernel I used my old 2.6.8 configuration via
    make oldconfig
and the 2.6.8 kernel definitely detected the power button ...

I have no idea why this fails ...

Kind regards

         Andreas.

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