esphome:
  on_boot:
    then:
      - audio_dac.mute_off:
      - audio_dac.mute_on:
      - audio_dac.set_volume:
          volume: 50%
      - audio_dac.set_volume:
          volume: !lambda return id(aic3204_dac).volume() * 0.5f;

audio_dac:
  - platform: aic3204
    id: aic3204_dac
    i2c_id: i2c_bus