This is fixed in mate-settings-daemon 1.22.0-2 which is part of Ubuntu MATE 19.10.
** Also affects: mate-settings-daemon (Ubuntu) Importance: Undecided Status: New ** Changed in: ubuntu-mate Status: New => Invalid ** Changed in: mate-settings-daemon (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1828023 Title: mute microphone function key does not work thinkpad T470 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1828023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs