mv_gpio_debounced_state_get
static uint32_t mv_gpio_debounced_state_get(device_t, int);
last_state = (mv_gpio_debounced_state_get(dev, pin) ? 1 : 0);
state = (mv_gpio_debounced_state_get(dev, pin) ? 0 : 1);
state = (mv_gpio_debounced_state_get(dev, pin) ? 1 : 0);