Card hw:0 'NVidia'/'HDA NVidia at 0xf3080000 irq 17' Mixer name : 'Nvidia GPU 81 HDMI/DP' Components : 'HDA:10de0081,104385f4,00100100' Controls : 14 Simple ctrls : 2 Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on]