Card sysdefault:0 'NVidia'/'HDA NVidia at 0xfb080000 irq 58' Mixer name : 'Nvidia GPU 91 HDMI/DP' Components : 'HDA:10de0091,10de12a4,00100100' Controls : 28 Simple ctrls : 4 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] Simple mixer control 'IEC958',2 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958',3 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on]