1* Intel High-definition Audio 2 3Configuration is set using 'verbs' which are blocks of 16 bytes of data each 4with a different purpose, a little like a simple instruction set. 5 6Top-level node 7-------------- 8 9Required properties: 10- compatible: "intel,hd-audio" 11- beep-verbs: list of verbs to send for a beep 12 13Optional properties 14- intel,beep-nid: Node ID to use for beep (will be detected if not provided) 15- codec-enable-gpio : The GPIO used to enable the audio codec 16 17Required subnodes: 18- codecs: Contains a list of codec nodes 19 20 21* Codec nodes 22 23Required properties: 24- vendor-id: 16-bit vendor ID for audio codec 25- device-id: 16-bit device ID for audio codec 26- verbs: List of verbs, each 4 cells in length 27