The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/wm8731.txt

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    1 WM8731 audio CODEC
    2 
    3 This device supports both I2C and SPI (configured with pin strapping
    4 on the board).
    5 
    6 Required properties:
    7 
    8   - compatible : "wlf,wm8731"
    9 
   10   - reg : the I2C address of the device for I2C, the chip select
   11           number for SPI.
   12 
   13 Example:
   14 
   15 wm8731: codec@1a {
   16         compatible = "wlf,wm8731";
   17         reg = <0x1a>;
   18 };
   19 
   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

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