The microphone mute/unmute problem: It's now fixed in Ubuntu 14.04 but not in Ubuntu GNOME 14.04

[Marius Gedminas]

On Mon, Apr 07, 2014 at 05:45:27PM -0500, Christian Dysthe wrote:
> I have asked about the problem with microphone mute/unmute on Thinkpad
> T430S in the past but now I have updated information on the problem:
> 
> The microphone mute/unmute does not work in Ubuntu GNOME 14.04 daily
> with any kernel. I have tried with mainline 3.14 but it still doesn't
> work. 
> 
> The microphone mute/unmute does not work on stock Ubuntu 13.10 and early
> 13.04 alphas, but it does work on the current daily Ubuntu 14.04.
> 
> This shows that this isn't merely a kernel problem.

Yes, it's a problem in gnome-settings-daemon, like I said when this came
up earlier.

> Something is now
> different in Ubuntu 14.04 and Ubuntu GNOME 14.04 with regards to the
> microphone mute/unmute button for many newer Thinkpads since it works in
> one and not the other.

unity-settings-daemon got the patch for KEY_MICMUTE recently:

    unity-settings-daemon (14.04.0+14.04.20140402-0ubuntu1) trusty; urgency=low

      [ Jackson Doak ]
      * define XF86AudioMicMute as a mic mute key

gnome-settings-daemon didn't.

> I really hope this can be fixed in Ubuntu GNOME also and not only in
> stock Ubuntu before release.
> 
> I have reported my findings in the Ubuntu bug covering this issue:
> 
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1268880

That looks like a different bug.

I've been commenting in
https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/408903

> And as said before, the microphone mute button works in other distros
> like Fedora, Sabayon and Arch.

Marius Gedminas
-- 
There is nothing more practical than a good theory.
        -- James Clerk Maxwell
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