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#ifndef __LED_H
#define __LED_H
#include <errno.h>
struct led {
void (*set)(struct led *, unsigned int value);
int max_value;
char *name;
int num;
struct list_head list;
};
struct led *led_by_number(int no);
struct led *led_by_name(const char *name);
struct led *led_by_name_or_number(const char *str);
static inline int led_get_number(struct led *led)
{
return led->num;
}
int led_set_num(int num, unsigned int value);
int led_set(struct led *led, unsigned int value);
int led_register(struct led *led);
void led_unregister(struct led *led);
void led_unregister(struct led *led);
/* gpio LED support */
struct gpio_led {
int gpio;
bool active_low;
struct led led;
};
struct gpio_rgb_led {
int gpio_r, gpio_g, gpio_b;
bool active_low;
struct led led;
};
#ifdef CONFIG_LED_GPIO
int led_gpio_register(struct gpio_led *led);
void led_gpio_unregister(struct gpio_led *led);
#else
static inline int led_gpio_register(struct gpio_led *led)
{
return -ENOSYS;
}
static inline void led_gpio_unregister(struct gpio_led *led)
{
}
#endif
#ifdef CONFIG_LED_GPIO_RGB
int led_gpio_rgb_register(struct gpio_rgb_led *led);
void led_gpio_rgb_unregister(struct gpio_led *led);
#else
static inline int led_gpio_rgb_register(struct gpio_rgb_led *led)
{
return -ENOSYS;
}
static inline void led_gpio_rgb_unregister(struct gpio_led *led)
{
}
#endif
#endif /* __LED_H */
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