alsa-project/alsa-ucm-conf issue #105 was opened from GoPerry: As the post-patch did, I would need to add one patch for the dell platform which has enabled the generic mic mute feature. But I did not see the below paths. /sys/class/sound/ctl-led/speaker /sys/class/sound/ctl-led/mic https://www.spinics.net/lists/alsa-devel/msg125821.html Issue URL : https://github.com/alsa-project/alsa-ucm-conf/issues/105 Repository URL: https://github.com/alsa-project/alsa-ucm-conf