Kernel-4.18.0-80.el8_wm8731

WM8731 audio CODEC

This device supports both I2C and SPI (configured with pin strapping
on the board).

Required properties:

  • compatible : “wlf,wm8731”

  • reg : the I2C address of the device for I2C, the chip select

      number for SPI.
    

Example:

wm8731: codec@1a {
compatible = “wlf,wm8731”;
reg = <0x1a>;
};

Available audio endpoints for an audio-routing table:

  • LOUT: Left Channel Line Output
  • ROUT: Right Channel Line Output
  • LHPOUT: Left Channel Headphone Output
  • RHPOUT: Right Channel Headphone Output
  • LLINEIN: Left Channel Line Input
  • RLINEIN: Right Channel Line Input
  • MICIN: Microphone Input