{
  "properties": {
  },
  "rules": [
    {
      "#": [ "rules for matching a device or node. It is an array of",
             "properties that all need to match the regexp. If any of the",
	     "matches work, the actions are executed for the object."
           ],

      "matches": [
        {
          "device.name": "~alsa_card.*"
	}
      ],
      "actions": {
        "#": [ "actions can update properties on the matched object."
             ],

        "update-props": {
           "api.alsa.use-acp": true,
	   "#api.alsa.use-ucm": true,
           "#api.alsa.soft-mixer": false,
	   "#api.alsa.ignore-dB": false,
	   "#device.profile-set": "profileset-name",
	   "#device.profile": "default profile name",
           "#api.acp.auto-port": true,
           "#api.acp.auto-profile": true
           "#device.nick": "My Device",
        }
      }
    },
    {
      "matches": [
        {
          "node.name": "~alsa_input.*"
	},
        {
          "node.name": "~alsa_output.*"
	}
      ],
      "actions": {
        "update-props": {
           "#node.nick": "My Node",
           "#node.nick": null,
           "#priority.driver": 100,
           "#resample.quality": 4,
	   "#channelmix.normalize": false,
	   "#channelmix.mix-lfe": false,
	   "#audio.format": "S16LE",
	   "#audio.rate": 44100,
	   "#audio.position": "FL,FR"
        }
      }
    }
  ]
}