Probe #727b7184c9 of Apple Mac-4B682C642B45593E... (iMac18,1)
Log: amixer
Card sysdefault:0 'PCH'/'HDA Intel PCH at 0x92520000 irq 58'
Mixer name : 'Cirrus Logic CS8409'
Components : 'HDA:10138409,106b0e00,00100100 HDA:8086280b,80860101,00100000'
Controls : 21
Simple ctrls : 3
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]