mixer_paths.xml

<mixer>
  <!-- These are the initial mixer settings -->
  <ctl name="Speaker Playback Switch" value="0" />
  <ctl name="Int Spk Switch" value="0" />
  <ctl name="HP Playback Switch" value="0" />
  <ctl name="Headphone Jack Switch" value="0" />
  <ctl name="AUX Switch" value="0" />
  <ctl name="OUT Playback Switch" value="0" />
  <ctl name="OUT Channel Switch" value="0" />

  <!-- This is the dock volume -->
  <ctl name="OUT Playback Volume" value="32" />

  <!-- This is the dock (line out) source -->
  <ctl name="LOUT MIX DAC L1 Switch" value="0" />
  <ctl name="LOUT MIX DAC R1 Switch" value="0" />
  <ctl name="LOUT MIX OUTVOL L Switch" value="1" />
  <ctl name="LOUT MIX OUTVOL R Switch" value="1" />

  <ctl name="Int Mic Switch" value="0" />
  <ctl name="Mic Jack Switch" value="0" />
  <ctl name="DMIC Switch" value="Disable" />
  <ctl name="ADC Capture Volume" value="119" />

  <path name="speaker">
    <ctl name="Speaker Playback Switch" value="1" />
    <ctl name="Int Spk Switch" value="1" />
    <ctl name="DAC IF1 SWITCH" value="swap" />
  </path>

  <path name="headphone">
    <ctl name="HP Playback Switch" value="1" />
    <ctl name="Headphone Jack Switch" value="1" />
    <!-- Even though the default is "Normal", this is used
         to override the speaker setting -->
    <ctl name="DAC IF1 SWITCH" value="Normal" />
  </path>

  <path name="dock">
    <ctl name="AUX Switch" value="1" />
    <ctl name="OUT Playback Switch" value="1" />
    <ctl name="OUT Channel Switch" value="1" />
  </path>

  <path name="main-mic-top">
    <ctl name="Int Mic Switch" value="1" />
    <ctl name="DMIC Switch" value="DMIC1" />
    <ctl name="ADC IF1 SWITCH" value="right copy to left" />
  </path>

  <path name="main-mic-left">
    <ctl name="Int Mic Switch" value="1" />
    <ctl name="DMIC Switch" value="DMIC1" />
    <ctl name="ADC IF1 SWITCH" value="left copy to right" />
  </path>

  <path name="headset-mic">
    <ctl name="Mic Jack Switch" value="1" />
  </path>
</mixer>