Card hw:0 'rockchipdp0'/'rockchip-dp0' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 Card hw:1 'rockchiphdmi0'/'rockchip-hdmi0' Mixer name : '' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'I2STDM Digital Loopback Mode',0 Capabilities: enum Items: 'Disabled' 'Mode1' 'Mode2' 'Mode2 Swap' Item0: 'Disabled' Card hw:2 'rockchipes8388'/'rockchip-es8388' Mixer name : '' Components : '' Controls : 41 Simple ctrls : 37 Simple mixer control 'Headphone',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Speaker',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'PCM',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 192 Front Left: 192 [100%] [0.00dB] Front Right: 192 [100%] [0.00dB] Simple mixer control 'I2STDM Digital Loopback Mode',0 Capabilities: enum Items: 'Disabled' 'Mode1' 'Mode2' 'Mode2 Swap' Item0: 'Disabled' Simple mixer control 'Mono Mux',0 Capabilities: enum Items: 'Stereo' 'Mono (Left)' 'Mono (Right)' Item0: 'Stereo' Simple mixer control 'Playback De-emphasis',0 Capabilities: enum Items: 'None' '32Khz' '44.1Khz' '48Khz' Item0: 'None' Simple mixer control 'Capture Digital',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 192 Front Left: 192 [100%] [0.00dB] Front Right: 192 [100%] [0.00dB] Simple mixer control 'Capture Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Capture Polarity',0 Capabilities: enum Items: 'Normal' 'L Invert' 'R Invert' 'L + R Invert' Item0: 'Normal' Simple mixer control '3D Mode',0 Capabilities: enum Items: 'No 3D ' 'Level 1' 'Level 2' 'Level 3' 'Level 4' 'Level 5' 'Level 6' 'Level 7' Item0: 'Level 1' Simple mixer control 'ALC Capture Attack Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 5 [33%] Simple mixer control 'ALC Capture Decay Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 0 [0%] Simple mixer control 'ALC Capture Function',0 Capabilities: enum Items: 'Off' 'Right' 'Left' 'Stereo' Item0: 'Stereo' Simple mixer control 'ALC Capture Hold Time',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 0 [0%] Simple mixer control 'ALC Capture Max PGA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 5 [71%] Simple mixer control 'ALC Capture Min PGA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 2 [29%] Simple mixer control 'ALC Capture NG',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'ALC Capture NG Threshold',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 31 Mono: 10 [32%] Simple mixer control 'ALC Capture NG Type',0 Capabilities: enum Items: 'Constant PGA Gain' 'Mute ADC Output' Item0: 'Mute ADC Output' Simple mixer control 'ALC Capture Target',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 15 Mono: 12 [80%] Simple mixer control 'ALC Capture ZC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Differential Mux',0 Capabilities: enum Items: 'Line 1' 'Line 2' Item0: 'Line 2' Simple mixer control 'Headset Mic',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Left Channel',0 Capabilities: cvolume cvolume-joined Capture channels: Mono Limits: Capture 0 - 8 Mono: Capture 3 [38%] [9.00dB] Simple mixer control 'Left Line Mux',0 Capabilities: enum Items: 'Line 1L' 'Line 2L' 'NC' 'MicL' Item0: 'Line 1L' Simple mixer control 'Left Mixer Left',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Left Mixer Left Bypass',0 Capabilities: volume volume-joined pswitch pswitch-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] [-0.15dB] Playback [off] Simple mixer control 'Left PGA Mux',0 Capabilities: enum Items: 'Line 1L' 'Line 2L' 'DifferentialL' Item0: 'DifferentialL' Simple mixer control 'Main Mic',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Output 1',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 33 Mono: Front Left: Playback 27 [82%] [-4.50dB] Front Right: Playback 27 [82%] [-4.50dB] Simple mixer control 'Output 2',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 33 Mono: Front Left: Playback 27 [82%] [-4.50dB] Front Right: Playback 27 [82%] [-4.50dB] Simple mixer control 'Right Channel',0 Capabilities: cvolume cvolume-joined Capture channels: Mono Limits: Capture 0 - 8 Mono: Capture 3 [38%] [9.00dB] Simple mixer control 'Right Line Mux',0 Capabilities: enum Items: 'Line 1R' 'Line 2R' 'NC' 'MicR' Item0: 'Line 1R' Simple mixer control 'Right Mixer Right',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Right Mixer Right Bypass',0 Capabilities: volume volume-joined pswitch pswitch-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 7 Mono: 0 [0%] [-0.15dB] Playback [off] Simple mixer control 'Right PGA Mux',0 Capabilities: enum Items: 'Line 1R' 'Line 2R' 'DifferentialR' Item0: 'DifferentialR' Simple mixer control 'ZC Timeout',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off]