---

[user@ALT-1e1f46 ~]$ amixer -c 1 contents | grep -A8 -B2 -iE 'speaker|spk|output|amp'
      | dBscale-min=18.00dB,step=3.00dB,mute=0

numid=15,iface=MIXER,name='ADC Soft Ramp Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=13,iface=MIXER,name='ADC Capture Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=192,step=0
  : values=192
  | dBscale-min=-96.00dB,step=0.50dB,mute=1
numid=11,iface=MIXER,name='Capture Polarity'
  ; type=ENUMERATED,access=rw------,values=1,items=2
--
  ; type=ENUMERATED,access=rw------,values=1,items=2
  ; Item #0 'Constant PGA Gain'
  ; Item #1 'Mute ADC Output'
  : values=1
numid=17,iface=MIXER,name='ALC Capture Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=20,iface=MIXER,name='ALC Capture Target Volume'
  ; type=INTEGER,access=rw---R--,values=1,min=0,max=11,step=0
  : values=10
  | dBrange-
--
  : values=190,190
  | dBscale-min=-96.00dB,step=0.50dB,mute=1
numid=6,iface=MIXER,name='DAC Soft Ramp Rate'
  ; type=INTEGER,access=rw------,values=1,min=0,max=4,step=0
  : values=4
numid=5,iface=MIXER,name='DAC Soft Ramp Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=61,iface=MIXER,name='DAC Source Mux'
  ; type=ENUMERATED,access=rw------,values=1,items=4
  ; Item #0 'LDATA TO LDAC, RDATA TO RDAC'
  ; Item #1 'LDATA TO LDAC, LDATA TO RDAC'
  ; Item #2 'RDATA TO LDAC, RDATA TO RDAC'
  ; Item #3 'RDATA TO LDAC, LDATA TO RDAC'
--
  ; Item #3 'lin-rin with Boost and PGA'
  : values=0
numid=29,iface=MIXER,name='Speaker Switch'
  ; type=BOOLEAN,access=rw------,values=1
  : values=off
numid=38,iface=PCM,name='ELD',device=5
  ; type=BYTES,access=r--v----,values=0
  : values=
numid=51,iface=PCM,name='Playback Channel Map',device=5
  ; type=INTEGER,access=rw-v-R--,values=8,min=0,max=36,step=0
  : values=0,0,0,0,0,0,0,0