From dcee1ab3207327f142635b08e834af5e9f9f8cc9 Mon Sep 17 00:00:00 2001 From: Nikita Kiryanov Date: Tue, 27 Nov 2012 22:40:57 +0000 Subject: gpio: add gpio_is_valid() to omap_gpio API Add gpio_is_valid() to omap_gpio API Signed-off-by: Nikita Kiryanov Signed-off-by: Igor Grinberg --- arch/arm/include/asm/omap_gpio.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch') diff --git a/arch/arm/include/asm/omap_gpio.h b/arch/arm/include/asm/omap_gpio.h index 516cc42..1ebfa86 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_ */ -- cgit v1.1