leftarc

pcm.dsnoopy {
  type dsnoop
  ipc_key 1121
  slave {
    pcm "hw:1,0"
    rate 16000
    channels 2
  }
  bindings {
    0 0
    1 1
  }
}

pcm.left {
  type plug
  slave {
    pcm "dsnoopy"
    channels 2
  }
  ttable.0.0 1
}

pcm.right {
  type plug
  slave {
    pcm "dsnoopy"
    channels 2
  }
  ttable.0.1 1
}

pcm.!default {
  type asym
  playback.pcm {
    type plug
    slave.pcm "dmix:0,0"
   }
   capture.pcm {
     type plug
     slave.pcm "left"
   }
}

ctl.!default {
        type hw
        card 0
}