diff options
Diffstat (limited to 'arch/arm/include/asm/omap_gpio.h')
| -rw-r--r-- | arch/arm/include/asm/omap_gpio.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/omap_gpio.h b/arch/arm/include/asm/omap_gpio.h index 516cc4260..1ebfa8694 100644 --- a/arch/arm/include/asm/omap_gpio.h +++ b/arch/arm/include/asm/omap_gpio.h @@ -49,4 +49,11 @@ extern const struct gpio_bank *const omap_gpio_bank; #define METHOD_GPIO_24XX 4 +/** + * Check if gpio is valid. + * + * @param gpio GPIO number + * @return 1 if ok, 0 on error + */ +int gpio_is_valid(int gpio); #endif /* _GPIO_H_ */ |