[ltp] acpi volume has no effect on x61s

Damjan linux-thinkpad@linux-thinkpad.org
Wed, 29 Jul 2009 21:20:33 +0200

> I have a x61s thinkpad running Debian squeeze (the testing
> version). I'm trying to control the sound volume by echoing different
> commands into /proc/acpi/ibm/volume, but this doesn't have any effect
> at all. I can cat /proc/acpi/ibm/volume, and see that the commands
> does change the values stored there, but the sound volume is not
> changed. Even if I echo "mute" into it, and it shows that mute is
> enabled, the sound is still heard.
> Just some examples:
> echo mute > /proc/acpi/ibm/volume
> echo up > /proc/acpi/ibm/volume
> echo level 10 > /proc/acpi/ibm/volume
> All these commands do alter the content of /proc/acpi/ibm/volume in
> the expected way, but the sound is not affected.
> I can change the volume using alsamixer, for example.

as far as I know, the x61s  doesn't have the hardware mixer 
my x60s, on the other hand, does have it

damjan | дамјан
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