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| Code Block |
|---|
backlight {
compatible = "gpio-backlight";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_backlight>;
gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
default-on;
};
|
3. Controlling Backlight
To turn the LCD backlight on, run the following command:
| Code Block |
|---|
/ # echo 0 > /sys/class/backlight/backlight/bl_power
|
To turn the LCD backlight off, run the following command:
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