snd_mixer_selem_get_playback_volume(elem, channel, &volume);
fputs("^ca(1, amixer sset Master toggle)", stdout);
fputs("^ca(4, amixer sset Master 2+ unmute)", stdout);
snd_mixer_selem_get_playback_volume(elem, channel, &volume);
fputs("^ca(1, amixer sset Master toggle)", stdout);
fputs("^ca(4, amixer sset Master 2+ unmute)", stdout);