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  • PipeWirePipeWire
  • pipewirepipewire
  • Issues
  • #1849

Lenovo T14 AMD Mic Mute LED button not working under pipewire with recent fixes

  • PipeWire version (pipewire --version): Compiled with libpipewire 0.3.40 Linked with libpipewire 0.3.40
  • Distribution and distribution version (PRETTY_NAME from /etc/os-release): Fedora 35
  • Desktop Environment: Gnome 41
  • Kernel version (uname -r): 5.16.0-rc1+ (note - tried with the Fedora 5.14.17-301 kernel too)

Description of Problem:

There are some fixes recently in alsa-ucm-conf to get the Mute LED working on a number of Lenovo AMD platforms: https://github.com/alsa-project/alsa-ucm-conf/issues/100

When testing this on my T14 G1 AMD platform under Fedora I confirmed that the settings are working under alsamixer - but just pressing the mic mute button doesn't work.

Discussed with Jaroslav Kysela and he believe this is a pipewire issue and pointed me here to raise a ticket. I haven't confirmed - but I would expect this to impact all our AMD platforms as they all have similar mute LED button issues targetted by the alsa fix.

How Reproducible: 100%

Steps to Reproduce:

  1. Install Fedora35
  2. git clone https://github.com/alsa-project/alsa-ucm-conf.git
  3. sudo mv /usr/share/alsa/ucm2 /usr/share/alsa/ucm2.bkp
  4. sudo cp -r alsa-ucm-conf/ucm2 /usr/share/alsa/ucm2
  5. reboot and test Mic mute button
  6. Optional - launch alsamixer and test under there. LED works

Actual Results:

Mic mute LED doesn't toggle

Expected Results:

Mic mute LED to toggle

Additional Info (as attachments):

Let me know if you need anything!

  • pw-dump > pw-dump.log:
Edited Nov 23, 2021 by Mark Pearson
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