dave@dave-desktop:~$ amixer
Simple mixer control 'Headphone',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [on]
  Front Right: Playback [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Front',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 45 [70%] [-19.00dB] [on]
  Front Right: Playback 45 [70%] [-19.00dB] [on]
Simple mixer control 'Front Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65
  Mono:
  Front Left: Playback 32 [49%] [-3.00dB] [off]
  Front Right: Playback 32 [49%] [-3.00dB] [off]
Simple mixer control 'Surround',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 39 [61%] [-25.00dB] [on]
  Front Right: Playback 39 [61%] [-25.00dB] [on]
Simple mixer control 'Center',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 40 [62%] [-24.00dB] [on]
Simple mixer control 'LFE',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 0 [0%] [-64.00dB] [on]
Simple mixer control 'Side',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 40 [62%] [-24.00dB] [on]
  Front Right: Playback 40 [62%] [-24.00dB] [on]
Simple mixer control 'Line',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65
  Mono:
  Front Left: Playback 65 [100%] [30.00dB] [on]
  Front Right: Playback 65 [100%] [30.00dB] [on]
Simple mixer control 'CD',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65
  Mono:
  Front Left: Playback 65 [100%] [30.00dB] [on]
  Front Right: Playback 65 [100%] [30.00dB] [on]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65
  Mono:
  Front Left: Playback 9 [14%] [-26.00dB] [on]
  Front Right: Playback 9 [14%] [-26.00dB] [on]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 65
  Mono:
  Front Left: Playback 65 [100%] [30.00dB] [on]
  Front Right: Playback 65 [100%] [30.00dB] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 35
  Front Left: Capture 35 [100%] [35.00dB] [on]
  Front Right: Capture 35 [100%] [35.00dB] [on]
Simple mixer control 'Capture',1
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 35
  Front Left: Capture 35 [100%] [35.00dB] [on]
  Front Right: Capture 35 [100%] [35.00dB] [on]
Simple mixer control 'Capture',2
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 35
  Front Left: Capture 35 [100%] [35.00dB] [on]
  Front Right: Capture 35 [100%] [35.00dB] [on]
Simple mixer control 'Channel Mode',0
  Capabilities: enum
  Items: '6ch' '8ch'
  Item0: '6ch'
Simple mixer control 'Input Source',0
  Capabilities: enum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'Line'
Simple mixer control 'Input Source',1
  Capabilities: enum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'CD'
Simple mixer control 'Input Source',2
  Capabilities: enum
  Items: 'Mic' 'Front Mic' 'Line' 'CD'
  Item0: 'CD'
dave@dave-desktop:~$ 
dave@dave-desktop:~$ cat /proc/asound/card0/codec*
Codec: Realtek ALC880
Address: 0
Vendor Id: 0x10ec0880
Subsystem Id: 0x104d0500
Revision Id: 0x100800
Default PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
Node 0x02 [Audio Output] wcaps 0x411: Stereo
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power: 0x0
Node 0x03 [Audio Output] wcaps 0x411: Stereo
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power: 0x0
Node 0x04 [Audio Output] wcaps 0x411: Stereo
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power: 0x0
Node 0x05 [Audio Output] wcaps 0x411: Stereo
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power: 0x0
Node 0x06 [Audio Output] wcaps 0x211: Stereo Digital
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0x1e]: 16 20 24 32
    formats [0x1]: PCM
Node 0x07 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x23, stepsize=0x03, mute=1
  Amp-In vals:  [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23]
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0x6]: 16 20
    formats [0x1]: PCM
  Power: 0x0
  Connection: 7
     0x18 0x19 0x1a* 0x1b 0x1c 0x14 0x15
Node 0x08 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x23, stepsize=0x03, mute=1
  Amp-In vals:  [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23]
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0x6]: 16 20
    formats [0x1]: PCM
  Power: 0x0
  Connection: 7
     0x18 0x19 0x1a 0x1b 0x1c* 0x14 0x15
Node 0x09 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x23, stepsize=0x03, mute=1
  Amp-In vals:  [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23] [0x23 0x23]
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0x6]: 16 20
    formats [0x1]: PCM
  Power: 0x0
  Connection: 10
     0x18 0x19 0x1a 0x1b 0x1c* 0x0b 0x14 0x15 0x16 0x17
Node 0x0a [Audio Input] wcaps 0x100391: Stereo Digital
  PCM:
    rates [0x160]: 44100 48000 96000
    bits [0x1e]: 16 20 24 32
    formats [0x1]: PCM
  Connection: 1
     0x1f
Node 0x0b [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x23, nsteps=0x41, stepsize=0x03, mute=1
  Amp-In vals:  [0x09 0x09] [0x00 0x00] [0x41 0x41] [0xa0 0xa0] [0x41 0x41] [0x41 0x41] [0xa3 0xa3] [0xa3 0xa3]
  Connection: 8
     0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x14 0x15
Node 0x0c [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x2d 0x2d]
  Connection: 2
     0x02 0x0b
Node 0x0d [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x28 0x28]
  Connection: 2
     0x03 0x0b
Node 0x0e [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x28 0x00]
  Connection: 2
     0x04 0x0b
Node 0x0f [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x27 0x27]
  Connection: 2
     0x05 0x0b
Node 0x10 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 4
     0x0c* 0x0d 0x0e 0x0f
Node 0x11 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 4
     0x0c* 0x0d 0x0e 0x0f
Node 0x12 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 4
     0x0c 0x0d* 0x0e 0x0f
Node 0x13 [Audio Selector] wcaps 0x300101: Stereo
  Connection: 4
     0x0c* 0x0d 0x0e 0x0f
Node 0x14 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x083f: IN OUT HP Detect
  Pin Default 0x01014110: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Green
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x0c
Node 0x15 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x083f: IN OUT HP Detect
  Pin Default 0x01011111: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Black
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x0d
Node 0x16 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x083f: IN OUT HP Detect
  Pin Default 0x01016112: [Jack] Line Out at Ext Rear
    Conn = 1/8, Color = Orange
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x0e
Node 0x17 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x083f: IN OUT HP Detect
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x0f
Node 0x18 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x08133f: IN OUT HP Detect
  Pin Default 0x01a19120: [Jack] Mic at Ext Rear
    Conn = 1/8, Color = Pink
  Pin-ctls: 0x24: IN
  Connection: 1
     0x10
Node 0x19 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x08133f: IN OUT HP Detect
  Pin Default 0x02a19121: [Jack] Mic at Ext Front
    Conn = 1/8, Color = Pink
  Pin-ctls: 0xc0: OUT HP
  Connection: 1
     0x11
Node 0x1a [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x08133f: IN OUT HP Detect
  Pin Default 0x01813122: [Jack] Line In at Ext Rear
    Conn = 1/8, Color = Blue
  Pin-ctls: 0x20: IN
  Connection: 1
     0x12
Node 0x1b [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x08133f: IN OUT HP Detect
  Pin Default 0x02014430: [Jack] Line Out at Ext Front
    Conn = 1/8, Color = Green
  Pin-ctls: 0x24: IN
  Connection: 1
     0x13
Node 0x1c [Pin Complex] wcaps 0x400001: Stereo
  Pincap 0x0820: IN
  Pin Default 0x99931123: [Fixed] Aux at Int ATAPI
    Conn = ATAPI, Color = Black
  Pin-ctls: 0x00:
Node 0x1d [Pin Complex] wcaps 0x400000: Mono
  Pincap 0x0820: IN
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
  Pin-ctls: 0x00:
Node 0x1e [Pin Complex] wcaps 0x400300: Mono Digital
  Pincap 0x0810: OUT
  Pin Default 0x01c51113: [Jack] SPDIF In at Ext Rear
    Conn = Optical, Color = Black
  Pin-ctls: 0x00:
  Connection: 1
     0x06
Node 0x1f [Pin Complex] wcaps 0x400200: Mono Digital
  Pincap 0x0820: IN
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
  Pin-ctls: 0x00:
Node 0x20 [Vendor Defined Widget] wcaps 0xf00040: Mono
Node 0x21 [Volume Knob Widget] wcaps 0x600080: Mono
Codec: Conexant ID 2bfa
Address: 1
Vendor Id: 0x14f12bfa
Subsystem Id: 0x104d0600
Revision Id: 0x90000
dave@dave-desktop:~$