esphome:
  on_boot:
    then:
      - audio_adc.set_mic_gain: 0db
      - audio_adc.set_mic_gain: !lambda 'return 4;'

audio_adc:
  - platform: es7210
    i2c_id: i2c_bus
    id: es7210_adc
    bits_per_sample: 16bit
    sample_rate: 16000