[ibm-acpi-devel] [ltp] Re: thinkpad-acpi release 0.24-20100220 uploaded to ibm-acpi.sf.net

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Tue, 23 Feb 2010 00:16:44 -0300

On Mon, 22 Feb 2010, Jerone Young wrote:
> > with OSI=Linux, the EC doesn't actually mutes anything anymore, even if it
> > is telling you that it did it?
> Correct. Though on my X301 while it doesn't mute the volume you do see
> the mute light turn on. Proc interface does show it muted. Then unmute
> and the light turns off. But does not effect the volume in anyway.
> > What happens when you do press the mute hotkey in that situation?  Does it
> > mute things?
> Well it actually sends a mute key press to the OS. So linux picks it up
> and Mutes the alsa mixer or pulse audio mixer (who will then mute alsa
> mixer). 

Jeez, it looks like Lenovo tried to work around a work around or something,
I don't know if we will ever have sane volume control anymore.

So far, it looks like I have to blacklist volume control if OSI=Linux is
active in the X301.  What is your firmware version?  Is it the latest?

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh