{
    "adapters": [
        {
            "name": "primary",
            "cardId": "rockchiprk809co",
            "daiId": "",
            "simple_mixer_ctl_volume": {
                "playback": [
                    {
                        "name": "DACL"
                    },
                    {
                        "name": "DACR"
                    }
                ],
                "capture": [
                    {
                        "name": "DACL"
                    },
                    {
                        "name": "DACR"
                    }
                ]
            }
        },
        {
            "name": "hdmi",
            "cardId": "rockchiphdmi",
            "daiId": ""
        }
    ]
}