#include <linux/list.h>
#include <linux/spinlock.h>
+#include <linux/rwsem.h>
struct device;
-struct class_device;
/*
* LED Core
*/
#define LED_SUSPENDED (1 << 0)
/* Set LED brightness level */
+ /* Must not sleep, use a workqueue if needed */
void (*brightness_set)(struct led_classdev *led_cdev,
enum led_brightness brightness);
+ /* Get LED brightness level */
+ enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
- struct class_device *class_dev;
+ /* Activate hardware accelerated blink */
+ int (*blink_set)(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off);
+
+ struct device *dev;
struct list_head node; /* LED Device list */
char *default_trigger; /* Trigger to use */
#ifdef CONFIG_LEDS_TRIGGERS
/* Protects the trigger data below */
- rwlock_t trigger_lock;
+ struct rw_semaphore trigger_lock;
struct led_trigger *trigger;
struct list_head trig_list;
extern int led_classdev_register(struct device *parent,
struct led_classdev *led_cdev);
-extern void led_classdev_unregister(struct led_classdev *led_cdev);
+extern void led_classdev_unregister(struct led_classdev *lcd);
extern void led_classdev_suspend(struct led_classdev *led_cdev);
extern void led_classdev_resume(struct led_classdev *led_cdev);
struct gpio_led_platform_data {
int num_leds;
struct gpio_led *leds;
+ int (*gpio_blink_set)(unsigned gpio,
+ unsigned long *delay_on,
+ unsigned long *delay_off);
};