alsa-project/alsa-ucm-conf issue #119 was opened from shumingfan: We created the UCM2 conf files and used the 'components' string to match the right UCM config. Unfortunately, the system can't apply the right UCM config. The test files and alsa-lib version shows below. USB-Audio.conf https://github.com/perexg/alsa-ucm-conf/commit/e3517b1cbb4ac0c69496329eeb15dc6bd4ed3a13 Dell-Desktop UCM2 files https://github.com/shumingfan/alsa-ucm-conf/commit/16dce692843b05d9cd720ddae1e790c26881d47e $ alsaucm --version alsaucm: version 1.2.2 Is it possible to resolve this problem when using alsa-lib-1.2.2? Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/119 Repository URL: https://github.com/alsa-project/alsa-ucm-conf