alsa-project/alsa-ucm-conf issue #447 was opened from jiutian12: My rear microphone is not working on Ubuntu 24.04 (nor on Ubuntu 22), but it can be used normally on Windows 10. Can hear sound After updating the master branch, the microphone still doesn't work, but the response is the same as the sound system Initial feedback on the issue, the following is my hardware information, I am not sure if it is complete http://alsa-project.org/db/?f=2558f03ffd8c55e18f8208a806f3e2336d9fa49c Kernel: k6.8.0-45-generic USB-Audio: ALC4080 asus Z-590p Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/447 Repository URL: https://github.com/alsa-project/alsa-ucm-conf