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	gpio_pin_setflags(sc->sc_pin, GPIO_PIN_OUTPUT);			gpio_pin_setflags(sc->sc_pin, GPIO_PIN_OUTPUT);

	gpiobacklight_update_brightness(sc);			gpiobacklight_update_brightness(sc);

	/* Init backlight interface */			/* Init backlight interface */
	ctx = device_get_sysctl_ctx(dev);			ctx = device_get_sysctl_ctx(dev);
	tree = device_get_sysctl_tree(dev);			tree = device_get_sysctl_tree(dev);
	sc->sc_oid = SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,			sc->sc_oid = SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
	"brightness", CTLTYPE_INT \| CTLFLAG_RW, sc, 0,			"brightness", CTLTYPE_INT \| CTLFLAG_RW \| CTLFLAG_NEEDGIANT,
	gpiobacklight_sysctl, "I", "backlight brightness");			sc, 0, gpiobacklight_sysctl, "I",
				"backlight brightness");

	return (0);			return (0);
	}			}

	static int			static int
	gpiobacklight_detach(device_t dev)			gpiobacklight_detach(device_t dev)
	{			{
	struct gpiobacklight_softc *sc;			struct gpiobacklight_softc *sc;
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