Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[pandora-kernel.git] / include / linux / gpio.h

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 32720ba..17b5a0d 100644 (file)
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -3,6 +3,17 @@
 
 /* see Documentation/gpio.txt */
 
+/* make these flag values available regardless of GPIO kconfig options */
+#define GPIOF_DIR_OUT  (0 << 0)
+#define GPIOF_DIR_IN   (1 << 0)
+
+#define GPIOF_INIT_LOW (0 << 1)
+#define GPIOF_INIT_HIGH        (1 << 1)
+
+#define GPIOF_IN               (GPIOF_DIR_IN)
+#define GPIOF_OUT_INIT_LOW     (GPIOF_DIR_OUT | GPIOF_INIT_LOW)
+#define GPIOF_OUT_INIT_HIGH    (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
+
 #ifdef CONFIG_GENERIC_GPIO
 #include <asm/gpio.h>
 
@@ -25,9 +36,9 @@ struct gpio_chip;
  * warning when something is wrongly called.
  */
 
-static inline int gpio_is_valid(int number)
+static inline bool gpio_is_valid(int number)
 {
-       return 0;
+       return false;
 }
 
 static inline int gpio_request(unsigned gpio, const char *label)
@@ -41,7 +52,7 @@ static inline int gpio_request_one(unsigned gpio,
        return -ENOSYS;
 }
 
-static inline int gpio_request_array(struct gpio *array, size_t num)
+static inline int gpio_request_array(const struct gpio *array, size_t num)
 {
        return -ENOSYS;
 }
@@ -54,7 +65,7 @@ static inline void gpio_free(unsigned gpio)
        WARN_ON(1);
 }
 
-static inline void gpio_free_array(struct gpio *array, size_t num)
+static inline void gpio_free_array(const struct gpio *array, size_t num)
 {
        might_sleep();