pcm.!default {
    type plug
  slave { pcm "jack" }
    hint {
        show on
        description "System default (recommended)"
    }

}

pcm.jack {
  type jack
  playback_ports {
      0 system:playback_1
      1 system:playback_2
  }
  capture_ports {
      0 system:capture_1
      1 system:capture_2
  }
}

ctl.mixer0 {
  type hw
  card 0
}