3 This device supports both I2C and SPI (configured with pin strapping
8 - compatible : "wlf,wm8731"
10 - reg : the I2C address of the device for I2C, the chip select
16 compatible = "wlf,wm8731";
20 Available audio endpoints for an audio-routing table:
21 * LOUT: Left Channel Line Output
22 * ROUT: Right Channel Line Output
23 * LHPOUT: Left Channel Headphone Output
24 * RHPOUT: Right Channel Headphone Output
25 * LLINEIN: Left Channel Line Input
26 * RLINEIN: Right Channel Line Input
27 * MICIN: Microphone Input