diff --git a/lib/libgpio/libgpio.h b/lib/libgpio/libgpio.h
index b493d63dc9e2..35651ecd8cca 100644
--- a/lib/libgpio/libgpio.h
+++ b/lib/libgpio/libgpio.h
@@ -1,108 +1,108 @@
 /*-
  * Copyright (c) 2013-2014 Rui Paulo <rpaulo@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef _LIBGPIO_H_
 #define _LIBGPIO_H_
 
 #include <sys/gpio.h>
 
 __BEGIN_DECLS
 
 #define	GPIO_INVALID_HANDLE -1
 typedef int gpio_handle_t;
 typedef uint32_t gpio_pin_t;
 
 /*
  * Structure describing a GPIO pin configuration.
  */
 typedef struct {
 	gpio_pin_t	g_pin;
 	char 		g_name[GPIOMAXNAME];
 	uint32_t	g_caps;
 	uint32_t	g_flags;
 } gpio_config_t;
 
 typedef enum {
 	GPIO_VALUE_INVALID 	= -1,
 	GPIO_VALUE_LOW 		= GPIO_PIN_LOW,
 	GPIO_VALUE_HIGH 	= GPIO_PIN_HIGH
 } gpio_value_t;
 
 /*
  * Open /dev/gpiocN or a specific device.
  */
 gpio_handle_t	gpio_open(unsigned int);
 gpio_handle_t	gpio_open_device(const char *);
 void		gpio_close(gpio_handle_t);
 /*
  * Get a list of all the GPIO pins.
  */
 int		gpio_pin_list(gpio_handle_t, gpio_config_t **);
 /*
  * GPIO pin configuration.
  *
  * Retrieve the configuration of a specific GPIO pin.  The pin number is
  * passed through the gpio_config_t structure.
  */
 int		gpio_pin_config(gpio_handle_t, gpio_config_t *);
 /*
  * Sets the GPIO pin name.  The pin number and pin name to be set are passed
  * as parameters.
  */
 int		gpio_pin_set_name(gpio_handle_t, gpio_pin_t, char *);
 /*
  * Sets the GPIO flags on a specific GPIO pin.  The pin number and the flags
  * to be set are passed through the gpio_config_t structure.
  */
 int		gpio_pin_set_flags(gpio_handle_t, gpio_config_t *);
 /*
  * GPIO pin values.
  */
-int		gpio_pin_get(gpio_handle_t, gpio_pin_t);
-int		gpio_pin_set(gpio_handle_t, gpio_pin_t, int);
+gpio_value_t	gpio_pin_get(gpio_handle_t, gpio_pin_t);
+int		gpio_pin_set(gpio_handle_t, gpio_pin_t, gpio_value_t);
 int		gpio_pin_toggle(gpio_handle_t, gpio_pin_t);
 /*
  * Helper functions to set pin states.
  */
 int		gpio_pin_low(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_high(gpio_handle_t, gpio_pin_t);
 /*
  * Helper functions to configure pins.
  */
 int		gpio_pin_input(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_output(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_opendrain(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_pushpull(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_tristate(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_pullup(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_pulldown(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_invin(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_invout(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_pulsate(gpio_handle_t, gpio_pin_t);
 
 __END_DECLS
 
 #endif /* _LIBGPIO_H_ */