Originally Posted by pospani

You can mute/unmute sound simply by calling:

Code:

amixer -c 0 sset "Speaker Function" Off
amixer -c 0 sset "Speaker Function" On

You also can route all sound to Earphone by:

Code:

amixer -c 0 sset "Earphone Function" On
amixer -c 0 sset "Earphone" 118
amixer -c 0 sset "Mono DAC" 118
amixer -c 0 sset "Right DAC_R1 Mixer Mono" on
amixer -c 0 sset "Left DAC_L1 Mixer Mono" on
amixer -c 0 sset "Speaker Function" Off