ha-supervisor/supervisor/data/audiodb.json

{
    "raspberrypi3": {
        "bcm2835 - bcm2835 ALSA": {
            "0,0": "Raspberry Jack",
            "0,1": "Raspberry HDMI"
        },
        "output": "0,0",
        "input": null
    },
    "raspberrypi2": {
        "output": "0,0",
        "input": null
    },
    "raspberrypi": {
        "output": "0,0",
        "input": null
    }
}