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linux-libre
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drivers
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leds
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leds.h

leds.h 957 B
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  1. /*
    2. 

  2.  * LED Core
    3. 

  3.  *
    4. 

  4.  * Copyright 2005 Openedhand Ltd.
    5. 

  5.  *
    6. 

  6.  * Author: Richard Purdie <rpurdie@openedhand.com>
    7. 

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or modify
    9. 

  9.  * it under the terms of the GNU General Public License version 2 as
    10. 

  10.  * published by the Free Software Foundation.
    11. 

  11.  *
    12. 

  12.  */
    13. 

  13. #ifndef __LEDS_H_INCLUDED
    14. 

  14. #define __LEDS_H_INCLUDED
    15. 

  15. 

  16. #include <linux/rwsem.h>
    17. 

  17. #include <linux/leds.h>
    18. 

  18. 

  19. static inline int led_get_brightness(struct led_classdev *led_cdev)
    20. 

  20. {
    21. 

  21. 	return led_cdev->brightness;
    22. 

  22. }
    23. 

  23. 

  24. void led_init_core(struct led_classdev *led_cdev);
    25. 

  25. void led_stop_software_blink(struct led_classdev *led_cdev);
    26. 

  26. void led_set_brightness_nopm(struct led_classdev *led_cdev,
    27. 

  27. 				enum led_brightness value);
    28. 

  28. void led_set_brightness_nosleep(struct led_classdev *led_cdev,
    29. 

  29. 				enum led_brightness value);
    30. 

  30. 

  31. extern struct rw_semaphore leds_list_lock;
    32. 

  32. extern struct list_head leds_list;
    33. 

  33. extern struct list_head trigger_list;
    34. 

  34. 

  35. #endif	/* __LEDS_H_INCLUDED */
    36. 

  36.