4 * Copyright 2005 Openedhand Ltd.
6 * Author: Richard Purdie <rpurdie@openedhand.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #ifndef __LEDS_H_INCLUDED
14 #define __LEDS_H_INCLUDED
16 #include <linux/device.h>
17 #include <linux/rwsem.h>
18 #include <linux/leds.h>
20 static inline void __led_set_brightness(struct led_classdev
*led_cdev
,
21 enum led_brightness value
)
25 * Native linux kernel code
27 if (value
> led_cdev
->max_brightness
)
28 value
= led_cdev
->max_brightness
;
30 led_cdev
->brightness
= value
;
31 if (!(led_cdev
->flags
& LED_SUSPENDED
))
32 led_cdev
->brightness_set(led_cdev
, value
);
36 static inline int led_get_brightness(struct led_classdev
*led_cdev
)
38 return led_cdev
->brightness
;
41 void led_stop_software_blink(struct led_classdev
*led_cdev
);
43 extern struct rw_semaphore leds_list_lock
;
44 extern struct list_head leds_list
;
46 #ifdef CONFIG_LEDS_TRIGGERS
47 void led_trigger_set_default(struct led_classdev
*led_cdev
);
48 void led_trigger_set(struct led_classdev
*led_cdev
,
49 struct led_trigger
*trigger
);
50 void led_trigger_remove(struct led_classdev
*led_cdev
);
52 static inline void *led_get_trigger_data(struct led_classdev
*led_cdev
)
54 return led_cdev
->trigger_data
;
58 #define led_trigger_set_default(x) do {} while (0)
59 #define led_trigger_set(x, y) do {} while (0)
60 #define led_trigger_remove(x) do {} while (0)
61 #define led_get_trigger_data(x) (NULL)
64 ssize_t
led_trigger_store(struct device
*dev
, struct device_attribute
*attr
,
65 const char *buf
, size_t count
);
66 ssize_t
led_trigger_show(struct device
*dev
, struct device_attribute
*attr
,
69 #endif /* __LEDS_H_INCLUDED */