diff options
Diffstat (limited to 'include/asm-generic/gpio.h')
| -rw-r--r-- | include/asm-generic/gpio.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 66d6106a206..485eeb6c4ef 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -28,6 +28,7 @@ static inline int gpio_is_valid(int number) return ((unsigned)number) < ARCH_NR_GPIOS; } +struct device; struct seq_file; struct module; @@ -144,6 +145,7 @@ extern int __gpio_to_irq(unsigned gpio); extern int gpio_export(unsigned gpio, bool direction_may_change); extern int gpio_export_link(struct device *dev, const char *name, unsigned gpio); +extern int gpio_sysfs_set_active_low(unsigned gpio, int value); extern void gpio_unexport(unsigned gpio); #endif /* CONFIG_GPIO_SYSFS */ @@ -181,6 +183,8 @@ static inline void gpio_set_value_cansleep(unsigned gpio, int value) #ifndef CONFIG_GPIO_SYSFS +struct device; + /* sysfs support is only available with gpiolib, where it's optional */ static inline int gpio_export(unsigned gpio, bool direction_may_change) @@ -194,6 +198,11 @@ static inline int gpio_export_link(struct device *dev, const char *name, return -ENOSYS; } +static inline int gpio_sysfs_set_active_low(unsigned gpio, int value) +{ + return -ENOSYS; +} + static inline void gpio_unexport(unsigned gpio) { } |