Card sysdefault:0 'PCH'/'HDA Intel PCH at 0xa1310000 irq 131' Mixer name : 'Intel Kabylake HDMI' Components : 'HDA:8086280b,80860101,00100000' Controls : 35 Simple ctrls : 5 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] Simple mixer control 'IEC958',4 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on]