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



On Tue, 2010-02-23 at 00:16 -0300, Henrique de Moraes Holschuh wrote:
> 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.
Oh forgot to address this. So we can. Just have to remove those machines
in the kernel that OSI=Linux is exposed.

I think if this work can trigger it so user can get an OSD showing the
mute then it will all work out.

So if this work gets all working all Thinkpads that are exposing
OSI=Linux can be removed from the kernel and just wouldn't encourage use
of it. Mute button is the only thing effected by using OSI=Linux


> 
> 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?
> 



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