From d375ebbcb655ce8f9012cf93db347d3ced66eaac Mon Sep 17 00:00:00 2001 From: Bernhard Nortmann Date: Fri, 21 Aug 2015 15:13:20 +0200 Subject: [PATCH] add generic stubs for GPIO LEDs For boards that support LEDs driven via GPIO (CONFIG_GPIO_LED), it may be useful to have some generic stubs (wrapper functions) for the "colored" LEDs. This allows defining STATUS_LED_* values directly to GPIO numbers, e.g.: #define STATUS_LED_GREEN 248 /* = PH24 */ To keep those optional, it's probably best to introduce an additional configuration setting. I've chosen CONFIG_GPIO_LED_STUBS for that. Placing the code in drivers/misc/gpio_led.c also ensures that it automatically depends on CONFIG_GPIO_LED too. Signed-off-by: Bernhard Nortmann Reviewed-by: Simon Glass --- drivers/misc/gpio_led.c | 54 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/misc/gpio_led.c b/drivers/misc/gpio_led.c index 3e95727d79..164c30db38 100644 --- a/drivers/misc/gpio_led.c +++ b/drivers/misc/gpio_led.c @@ -51,3 +51,57 @@ void __led_toggle(led_id_t mask) { gpio_set_value(mask, !gpio_get_value(mask)); } + +#ifdef CONFIG_GPIO_LED_STUBS + +/* 'generic' override of colored LED stubs, to use GPIO functions instead */ + +#ifdef STATUS_LED_RED +void red_led_on(void) +{ + __led_set(STATUS_LED_RED, STATUS_LED_ON); +} + +void red_led_off(void) +{ + __led_set(STATUS_LED_RED, STATUS_LED_OFF); +} +#endif + +#ifdef STATUS_LED_GREEN +void green_led_on(void) +{ + __led_set(STATUS_LED_GREEN, STATUS_LED_ON); +} + +void green_led_off(void) +{ + __led_set(STATUS_LED_GREEN, STATUS_LED_OFF); +} +#endif + +#ifdef STATUS_LED_YELLOW +void yellow_led_on(void) +{ + __led_set(STATUS_LED_YELLOW, STATUS_LED_ON); +} + +void yellow_led_off(void) +{ + __led_set(STATUS_LED_YELLOW, STATUS_LED_OFF); +} +#endif + +#ifdef STATUS_LED_BLUE +void blue_led_on(void) +{ + __led_set(STATUS_LED_BLUE, STATUS_LED_ON); +} + +void blue_led_off(void) +{ + __led_set(STATUS_LED_BLUE, STATUS_LED_OFF); +} +#endif + +#endif /* CONFIG_GPIO_LED_STUBS */