[pulseaudio-discuss] ThinkPad T-510 audio output mute LED non-workingness

David Henningsson david.henningsson at canonical.com
Tue Apr 14 22:14:59 PDT 2015

On 2015-03-30 23:54, Glenn Golden wrote:
> HW: ThinkPad T-510, x86_64
> SW: Arch Linux (synched within a week) kernel = 3.19.2, PA 6.0

I think I found the offending commit [1]:

commit 9a417ec0c9d1f7af5394333411fc4d98adb8761b
Author: Andy Lutomirski <luto at MIT.EDU>
Date:   Fri Oct 17 17:04:29 2014 -0700

     thinkpad-acpi: Try to use full software mute control

It was added between 3.18 and 3.19 and concerns mute keys on Thinkpads.

> Knowing the answer to this, I can post a more informative ticket to the
> kernel guys. (Or maybe the fix is even in pulseaudio itself?)

Maybe you could also try one of the thinkpad-acpi mailinglists [2].

David Henningsson, Canonical Ltd.


[2] http://www.thinkwiki.org/wiki/Mailinglists

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