For those having kernel 5.11 - you may debug already, being helped-out here https://bugzilla.kernel.org/show_bug.cgi?id=211853
** Bug watch added: Linux Kernel Bug Tracker #211853 https://bugzilla.kernel.org/show_bug.cgi?id=211853 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912052 Title: [Acer Spin 5 - SP513-54N] External headset microphone not working on Ubuntu 20.10 (not even wired, cable headset) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1912052/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs