The name should be "Internal Mic Boost Capture Volume" instead of "Internal Mic Boost Volume" since node 0x30 is only connected to [Audio Input] and there is no audio path from node 0x30 to output pins capabilities should be cvolume instead of volume Simple mixer control 'Internal Mic Boost',0 Capabilities: volume penum Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 3 Front Left: 0 [0%] [0.00dB] Front Right: 3 [100%] [36.00dB] Node 0x30 [Pin Complex] wcaps 0x40040b: Stereo Amp-In Control: name="Internal Mic Boost Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Internal Mic Phantom Jack", index=0, device=0 Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x2f, mute=0 Amp-In vals: [0x00 0x03] Pincap 0x00000020: IN Pin Default 0x90a601f0: [Fixed] Mic at Int N/A Conn = Digital, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x20: IN Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Node 0x1e [Audio Selector] wcaps 0x300501: Stereo Control: name="Input Source", index=0, device=0 Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 5 0x2b 0x2a 0x29 0x21 0x30* Node 0x10 [Audio Input] wcaps 0x10051b: Stereo Amp-In Control: name="Capture Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Capture Switch", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Device: name="VT1802 Analog", type="Audio", device=0 Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x1e 0x1e] Converter: stream=4, channel=0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 1 0x1e Node 0x1f [Audio Selector] wcaps 0x300501: Stereo Control: name="Input Source", index=1, device=0 Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 5 0x2b 0x2a 0x29 0x21 0x30* Node 0x20 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x21 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In Control: name="PCM Loopback Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=3, ofs=0 Control: name="PCM Loopback Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=In, idx=3, ofs=0 Control: name="Mic Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Mic Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] Power states: D0 D1 D2 D3 Power: setting=D3, actual=D3 Connection: 3 0x2b 0x2a 0x29 Node 0x22 [Beep Generator Widget] wcaps 0x70040c: Mono Amp-Out Amp-Out caps: ofs=0x0a, nsteps=0x12, stepsize=0x05, mute=1 Amp-Out vals: [0x00] Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Node 0x23 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x24 [Pin Complex] wcaps 0x40050d: Stereo Amp-Out Control: name="Speaker Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Speaker Phantom Jack", index=0, device=0 Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x00010050: OUT EAPD Balanced EAPD 0x3: BALANCED EAPD Pin Default 0x90170110: [Fixed] Speaker at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0x1, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 2 0x14* 0x3e Node 0x25 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Control: name="Headphone Playback Switch", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="Independent HP", index=0, device=0 Control: name="Front Headphone Jack", index=0, device=0 Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0001001c: OUT HP EAPD Detect EAPD 0x2: EAPD Pin Default 0x0221401f: [Jack] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0xf Pin-ctls: 0xc0: OUT HP Unsolicited: tag=01, enabled=1 Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 1 0x15 Node 0x26 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x27 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x28 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x80 0x80] Pincap 0x0000001c: OUT HP Detect Pin Default 0x422140f0: [N/A] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0xf, Sequence = 0x0 Pin-ctls: 0x00: Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 EPSS Power: setting=D3, actual=D3 Connection: 1 0x18 Node 0x29 [Pin Complex] wcaps 0x400481: Stereo Pincap 0x00002324: IN Detect Vref caps: HIZ 50 100 Pin Default 0x50a701f0: [N/A] Mic at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: VREF_HIZ Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 EPSS Power: setting=D3, actual=D3 Node 0x2a [Pin Complex] wcaps 0x400481: Stereo Pincap 0x00002324: IN Detect Vref caps: HIZ 50 100 Pin Default 0x418130f8: [N/A] Line In at Ext Rear Conn = 1/8, Color = Blue DefAssociation = 0xf, Sequence = 0x8 Pin-ctls: 0x00: VREF_HIZ Unsolicited: tag=00, enabled=0 Power states: D0 D1 D2 D3 EPSS Power: setting=D3, actual=D3 Node 0x2b [Pin Complex] wcaps 0x400481: Stereo Control: name="Mic Boost Volume", index=0, device=0 ControlAmp: chs=3, dir=In, idx=0, ofs=0 Control: name="Mic Jack", index=0, device=0 Pincap 0x00002324: IN Detect Vref caps: HIZ 50 100 Pin Default 0x01a190f0: [Jack] Mic at Ext Rear Conn = 1/8, Color = Pink DefAssociation = 0xf, Sequence = 0x0 Pin-ctls: 0x21: IN VREF_50 Unsolicited: tag=02, enabled=1 Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Node 0x2c [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x2d [Pin Complex] wcaps 0x400701: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x474410f0: [N/A] SPDIF Out at Ext Rear Panel Conn = RCA, Color = Black DefAssociation = 0xf, Sequence = 0x0 Pin-ctls: 0x00: Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 Connection: 1 0x0e Node 0x2e [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x2f [Vendor Defined Widget] wcaps 0xf00000: Mono