fix(gpio): add esp_gpio_reserve check to gpio_config

components/esp_hal_gpio/esp32c2/include/hal/gpio_ll.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -220,6 +220,19 @@ static inline void gpio_ll_input_enable(gpio_dev_t *hw, uint32_t gpio_num)
     PIN_INPUT_ENABLE(IO_MUX_GPIO0_REG + (gpio_num * 4));
 }
 
+/**
+  * @brief Check if input mode is enabled on GPIO.
+  *
+  * @param hw Peripheral GPIO hardware instance address.
+  * @param gpio_num GPIO number
+  * @return true if input mode is enabled, false otherwise
+  */
+__attribute__((always_inline))
+static inline bool gpio_ll_input_is_enabled(gpio_dev_t *hw, uint32_t gpio_num)
+{
+    return GET_PERI_REG_MASK(IO_MUX_GPIO0_REG + (gpio_num * 4), FUN_IE) ? true : false;
+}
+
 /**
  * @brief Enable GPIO pin filter
  *