gpiobus_pin_ctl
gpiobus_pin_ctl(&sc->gc, pin->pin_nr, flags);
gpiobus_pin_ctl(&sc->gc, pin->pin_nr, GPIO_PIN_INPUT);
gpiobus_pin_ctl(pd->pd_gc, pd->pd_pin, flags);
gpiobus_pin_ctl(gc, pin, flags);
gpiobus_pin_ctl(sc->sc_gc, pin, sc->sc_pins[pin].pin_flags);
gpiobus_pin_ctl(sc->sc_gc, map->pm_map[pin], flags);
gpiobus_pin_ctl(gc, pin, flags);