leds.h

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#ifndef __VSF_LINUX_LEDS_H__
#define __VSF_LINUX_LEDS_H__
 
#include <linux/types.h>
#include <linux/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum led_brightness {
    LED_OFF                         = 0,
    LED_ON                          = 1,
    LED_HALF                        = 127,
    LED_FULL                        = 255,
};
 
struct led_classdev {
    const char                      *name;
    unsigned int                    brightness;
    unsigned int                    max_brightness;
 
    int                             flags;
#define LED_SUSPENDED               BIT(0)
#define LED_UNREGISTERING           BIT(1)
 
    void (*brightness_set)(struct led_classdev *led_cdev, enum led_brightness brightness);
    enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
 
    const struct attribute_group    **groups;
};
 
extern int devm_led_classdev_register(struct device *parent, struct led_classdev *led_cdev);
 
#ifdef __cplusplus
}
#endif
 
#endif