mmm@salamander:~$ amixer -c 1 contents
numid=5,iface=MIXER,name='Master Mono Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=6,iface=MIXER,name='Master Mono Playback Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
  : values=25
  | dBscale-min=42949626.46dB,step=1.50dB,mute=0
numid=1,iface=MIXER,name='Master Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=37,iface=MIXER,name='Master Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=2,iface=MIXER,name='Master Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=63,step=0
  : values=51,51
  | dBscale-min=42949578.46dB,step=1.50dB,mute=0
numid=38,iface=MIXER,name='Master Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=63,step=0
  : values=0,0
  | dBscale-min=42949578.46dB,step=1.50dB,mute=0
numid=3,iface=MIXER,name='Headphone Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=4,iface=MIXER,name='Headphone Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=22,22
  | dBscale-min=42949626.46dB,step=1.50dB,mute=0
numid=30,iface=MIXER,name='3D Control - Center'
  ; type=INTEGER,access=rw------,values=1,min=0,max=15,step=0
  : values=0
numid=61,iface=MIXER,name='3D Control - Center',index=1
  ; type=INTEGER,access=rw------,values=1,min=0,max=15,step=0
  : values=0
numid=31,iface=MIXER,name='3D Control - Depth'
  ; type=INTEGER,access=rw------,values=1,min=0,max=15,step=0
  : values=0
numid=62,iface=MIXER,name='3D Control - Depth',index=1
  ; type=INTEGER,access=rw------,values=1,min=0,max=15,step=0
  : values=0
numid=27,iface=MIXER,name='3D Control - Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=60,iface=MIXER,name='3D Control - Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=59,iface=MIXER,name='PCM Out Path & Mute',index=1
  ; type=ENUMERATED,access=rw------,values=1,items=2
  ; Item #0 'pre 3D'
  ; Item #1 'post 3D'
  : values=0
numid=22,iface=MIXER,name='PCM Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=54,iface=MIXER,name='PCM Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=23,iface=MIXER,name='PCM Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=25,25
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=55,iface=MIXER,name='PCM Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=25,25
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=43,iface=MIXER,name='Surround Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=2
  : values=off,off
numid=44,iface=MIXER,name='Surround Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=63,step=0
  : values=0,0
  | dBscale-min=42949578.46dB,step=1.50dB,mute=0
numid=39,iface=MIXER,name='Center Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=40,iface=MIXER,name='Center Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=63,step=0
  : values=63
  | dBscale-min=42949578.46dB,step=1.50dB,mute=0
numid=41,iface=MIXER,name='LFE Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=42,iface=MIXER,name='LFE Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=63,step=0
  : values=0
  | dBscale-min=42949578.46dB,step=1.50dB,mute=0
numid=14,iface=MIXER,name='Line Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=48,iface=MIXER,name='Line Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=15,iface=MIXER,name='Line Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=18,18
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=49,iface=MIXER,name='Line Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=0,0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=16,iface=MIXER,name='CD Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=50,iface=MIXER,name='CD Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=17,iface=MIXER,name='CD Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=25,25
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=51,iface=MIXER,name='CD Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=0,0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=13,iface=MIXER,name='Mic Boost (+20dB)'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=47,iface=MIXER,name='Mic Boost (+20dB)',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=29,iface=MIXER,name='Mic Select'
  ; type=ENUMERATED,access=rw------,values=1,items=2
  ; Item #0 'Mic1'
  ; Item #1 'Mic2'
  : values=0
numid=11,iface=MIXER,name='Mic Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=45,iface=MIXER,name='Mic Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=12,iface=MIXER,name='Mic Playback Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
  : values=12
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=46,iface=MIXER,name='Mic Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
  : values=15
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=9,iface=MIXER,name='Phone Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=10,iface=MIXER,name='Phone Playback Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=31,step=0
  : values=0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=18,iface=MIXER,name='Video Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=19,iface=MIXER,name='Video Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=0,0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=7,iface=MIXER,name='PC Speaker Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=8,iface=MIXER,name='PC Speaker Playback Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=15,step=0
  : values=0
  | dBscale-min=42949627.96dB,step=3.00dB,mute=0
numid=20,iface=MIXER,name='Aux Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=52,iface=MIXER,name='Aux Playback Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=21,iface=MIXER,name='Aux Playback Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=0,0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=53,iface=MIXER,name='Aux Playback Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=31,step=0
  : values=0,0
  | dBscale-min=42949638.46dB,step=1.50dB,mute=0
numid=28,iface=MIXER,name='Mono Output Select'
  ; type=ENUMERATED,access=rw------,values=1,items=2
  ; Item #0 'Mix'
  ; Item #1 'Mic'
  : values=0
numid=64,iface=MIXER,name='ADC Volume'
  ; type=INTEGER,access=rw------,values=2,min=0,max=32767,step=0
  : values=32767,32767
numid=65,iface=MIXER,name='ADC Capture Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=24,iface=MIXER,name='Capture Source'
  ; type=ENUMERATED,access=rw------,values=2,items=8
  ; Item #0 'Mic'
  ; Item #1 'CD'
  ; Item #2 'Video'
  ; Item #3 'Aux'
  ; Item #4 'Line'
  ; Item #5 'Mix'
  ; Item #6 'Mix Mono'
  ; Item #7 'Phone'
  : values=0,0
numid=56,iface=MIXER,name='Capture Source',index=1
  ; type=ENUMERATED,access=rw------,values=2,items=8
  ; Item #0 'Mic'
  ; Item #1 'CD'
  ; Item #2 'Video'
  ; Item #3 'Aux'
  ; Item #4 'Line'
  ; Item #5 'Mix'
  ; Item #6 'Mix Mono'
  ; Item #7 'Phone'
  : values=0,0
numid=25,iface=MIXER,name='Capture Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=57,iface=MIXER,name='Capture Switch',index=1
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=26,iface=MIXER,name='Capture Volume'
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=15,step=0
  : values=10,10
  | dBscale-min=0.00dB,step=1.50dB,mute=0
numid=58,iface=MIXER,name='Capture Volume',index=1
  ; type=INTEGER,access=rw---R--,values=2,min=0,max=15,step=0
  : values=10,10
  | dBscale-min=0.00dB,step=1.50dB,mute=0
numid=68,iface=MIXER,name='IEC958 Input Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=32,iface=MIXER,name='IEC958 Playback Con Mask'
  ; type=IEC958,access=r-------,values=1
  : values=?
numid=33,iface=MIXER,name='IEC958 Playback Pro Mask'
  ; type=IEC958,access=r-------,values=1
  : values=?
numid=34,iface=MIXER,name='IEC958 Playback Default'
  ; type=IEC958,access=rw------,values=1
  : values=?
numid=35,iface=MIXER,name='IEC958 Playback Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=67,iface=MIXER,name='IEC958 Output Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=66,iface=MIXER,name='DAC Capture Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=63,iface=MIXER,name='DAC Volume'
  ; type=INTEGER,access=rw------,values=2,min=0,max=32767,step=0
  : values=26214,26214
numid=36,iface=MIXER,name='External Amplifier'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=69,iface=PCM,name='IEC958 Playback Default',device=2
  ; type=IEC958,access=rw------,values=1
  : values=?
numid=70,iface=PCM,name='IEC958 Playback Mask',device=2
  ; type=IEC958,access=r-------,values=1
  : values=?
numid=71,iface=PCM,name='IEC958 Playback PCM Stream',device=2
  ; type=IEC958,access=rw------,values=1
  : values=?
mmm@salamander:~$