alsa-project/alsa-lib issue #200 was edited from galibozek: after upgrade alsa-ucm-conf 1.2.5.1-1 to 1.2.6.1-1 (arch linux) my microphone disappeared on lenovo t14 gen2i Similar to: https://bugs.archlinux.org/task/71180 lspci: 00:1f.3 Audio device: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller (rev 20) Issue URL : https://github.com/alsa-project/alsa-lib/issues/200 Repository URL: https://github.com/alsa-project/alsa-lib