https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/HD-Audio.txt
you need to find out when the connection from node 0x02 at node 0x0f is unmuted
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ plain/Documenta tion/sound/ alsa/HD- Audio.txt
you need to find out when the connection from node 0x02 at node 0x0f is unmuted