Probe #1de2514e94 of XIAOMI Redmi Book Pro 14 20...
Log: amixer
Card sysdefault:0 'PCH'/'HDA Intel PCH at 0x48192c0000 irq 213'
Mixer name : 'Realtek ALC256'
Components : 'HDA:10ec0256,1d722307,00100002 HDA:8086281d,80860101,00100000'
Controls : 44
Simple ctrls : 11
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 87
Mono: Playback 80 [92%] [-5.25dB] [on]
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 87
Mono:
Front Left: Playback 0 [0%] [-65.25dB] [off]
Front Right: Playback 0 [0%] [-65.25dB] [off]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 87
Mono:
Front Left: Playback 87 [100%] [0.00dB] [on]
Front Right: Playback 87 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 253 [99%] [-0.40dB]
Front Right: Playback 253 [99%] [-0.40dB]
Simple mixer control 'Mic Boost',0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 3
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB]
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
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 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 63
Front Left: Capture 39 [62%] [12.00dB] [on]
Front Right: Capture 39 [62%] [12.00dB] [on]
Simple mixer control 'Auto-Mute Mode',0
Capabilities: enum
Items: 'Disabled' 'Enabled'
Item0: 'Disabled'
Card sysdefault:1 'CODEC'/'Burr-Brown from TI USB audio CODEC at usb-0000:00:14.0-2.1.2, full speed'
Mixer name : 'USB Mixer'
Components : 'USB08bb:2912'
Controls : 8
Simple ctrls : 2
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 76
Mono:
Front Left: Playback 53 [70%] [-23.00dB] [on]
Front Right: Playback 53 [70%] [-23.00dB] [on]
Simple mixer control 'Mic',0
Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined
Playback channels: Mono
Capture channels: Mono
Limits: Playback 0 - 76 Capture 0 - 42
Mono: Playback 68 [89%] [-8.00dB] [off] Capture 42 [100%] [30.00dB] [on]