ubuntu@ubuntu-Inspiron-5590:~$ amixer cget numid=37 numid=37,iface=CARD,name='HDMI/DP, pcm=11 Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on ubuntu@ubuntu-Inspiron-5590:~$ ubuntu@ubuntu-Inspiron-5590:~$ ubuntu@ubuntu-Inspiron-5590:~$ amixer cget numid=37 numid=37,iface=CARD,name='HDMI/DP, pcm=11 Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on ubuntu@ubuntu-Inspiron-5590:~$