Add driver for the Kinetic KTD2801 backlight driver.
Signed-off-by: Duje Mihanović <duje.mihanovic@xxxxxxxx>
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+ ktd2801->gpiod = devm_gpiod_get(dev, "ctrl", GPIOD_OUT_HIGH);
+ if (IS_ERR(ktd2801->gpiod))
+ return dev_err_probe(dev, PTR_ERR(dev),