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Bug#819100: linux-image-4.4.0-1-amd64: Mute and Mic-Mute LEDs no longer work on Thinkpad T410

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On Wed, 2016-03-23 at 18:53 +0000, Tim Wootton wrote:
> Package: src:linux
> Version: 4.4.6-1
> Severity: normal
> 
> Dear Maintainer,
> 
>    * What led up to the situation?
>         Upgrade from jessie to stretch
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
>         Pressing Thnkpad T410's hardware speaker mute button
>    * What was the outcome of this action?
>         Speaker mutes, but the button's LED does not illuminate
>    * What outcome did you expect instead?
>         Expected the LED to illuminate
> 
> The mic mute button also exhibits the same behavior, but I had not
> tried this under jessie so don't know if it worked before.

It hasn't worked for me on the quite similar T420.

>  The speaker mute certainly did.
[...]

As far as the kernel is concerned, the mute button is just an ordinary
key on the keyboard (you can see this with the evtest program).  You
need a userland daemon to act on it (such as pulseaudio).  What desktop
environment are you using?

Ben.

-- 
Ben Hutchings
Anthony's Law of Force: Don't force it, get a larger hammer.

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Bug#819100: linux-image-4.4.0-1-amd64: Mute and Mic-Mute LEDs no longer work on Thinkpad T410 Tim Wootton <tim@tee-jay.org.uk> - 2016-03-23 20:00 +0100
  Bug#819100: linux-image-4.4.0-1-amd64: Mute and Mic-Mute LEDs no longer work on Thinkpad T410 Ben Hutchings <ben@decadent.org.uk> - 2016-03-23 22:40 +0100
    Bug#819100: linux-image-4.4.0-1-amd64: Mute and Mic-Mute LEDs no longer work on Thinkpad T410 Ben Hutchings <ben@decadent.org.uk> - 2016-03-23 23:10 +0100
    Bug#819100: linux-image-4.4.0-1-amd64: Mute and Mic-Mute LEDs no longer work on Thinkpad T410 Tim Wootton <tim@tee-jay.org.uk> - 2016-03-24 07:50 +0100

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