Card sysdefault:0 'PCH'/'HDA Intel PCH at 0x81710000 irq 99' Mixer name : 'Intel Kabylake HDMI' Components : 'HDA:8086280b,80860101,00100000' Controls : 22 Simple ctrls : 4 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 0 [0%] [-51.00dB] Front Right: Playback 0 [0%] [-51.00dB] 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]