alsa-project/alsa-ucm-conf pull request #466 was opened from charleskeepax: For headset microphone capture the correct PCM device to use is "hw:${CardId},1", "hw:${CardId},4" is for built in microphone capture. Adjust the routing as well since :0,1 is connected to data port 2 on the codec. Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/466 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/466.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf