That is because the ucm is not loaded successfully. please change cset "name='Headset Mic Boost Volume' 1" to cset "name='Mic Boost Volume' 2" in the all LENOVO_*/LENOVO_*.conf; then reboot.
If it doesn't work, please upload log of "pactl list cards", maybe your machine has a specific dmi string that those 4 folders doesn't match the cardlongname of your machine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859754 Title: add ucm to make alsa/sof driver work under PA (variants of Lenovo X1 Carbon 7th, Dell cnl and cml machines) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1859754/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs