diff options
Diffstat (limited to 'include/linux/leds.h')
-rw-r--r-- | include/linux/leds.h | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h index 4617e75903b0..dc23c7c639f3 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h | |||
@@ -19,39 +19,38 @@ struct class_device; | |||
19 | */ | 19 | */ |
20 | 20 | ||
21 | enum led_brightness { | 21 | enum led_brightness { |
22 | LED_OFF = 0, | 22 | LED_OFF = 0, |
23 | LED_HALF = 127, | 23 | LED_HALF = 127, |
24 | LED_FULL = 255, | 24 | LED_FULL = 255, |
25 | }; | 25 | }; |
26 | 26 | ||
27 | struct led_classdev { | 27 | struct led_classdev { |
28 | const char *name; | 28 | const char *name; |
29 | int brightness; | 29 | int brightness; |
30 | int flags; | 30 | int flags; |
31 | #define LED_SUSPENDED (1 << 0) | ||
32 | 31 | ||
33 | /* A function to set the brightness of the led */ | 32 | #define LED_SUSPENDED (1 << 0) |
34 | void (*brightness_set)(struct led_classdev *led_cdev, | ||
35 | enum led_brightness brightness); | ||
36 | 33 | ||
37 | struct class_device *class_dev; | 34 | /* Set LED brightness level */ |
38 | /* LED Device linked list */ | 35 | void (*brightness_set)(struct led_classdev *led_cdev, |
39 | struct list_head node; | 36 | enum led_brightness brightness); |
37 | |||
38 | struct class_device *class_dev; | ||
39 | struct list_head node; /* LED Device list */ | ||
40 | char *default_trigger; /* Trigger to use */ | ||
40 | 41 | ||
41 | /* Trigger data */ | ||
42 | char *default_trigger; | ||
43 | #ifdef CONFIG_LEDS_TRIGGERS | 42 | #ifdef CONFIG_LEDS_TRIGGERS |
44 | rwlock_t trigger_lock; | ||
45 | /* Protects the trigger data below */ | 43 | /* Protects the trigger data below */ |
44 | rwlock_t trigger_lock; | ||
46 | 45 | ||
47 | struct led_trigger *trigger; | 46 | struct led_trigger *trigger; |
48 | struct list_head trig_list; | 47 | struct list_head trig_list; |
49 | void *trigger_data; | 48 | void *trigger_data; |
50 | #endif | 49 | #endif |
51 | }; | 50 | }; |
52 | 51 | ||
53 | extern int led_classdev_register(struct device *parent, | 52 | extern int led_classdev_register(struct device *parent, |
54 | struct led_classdev *led_cdev); | 53 | struct led_classdev *led_cdev); |
55 | extern void led_classdev_unregister(struct led_classdev *led_cdev); | 54 | extern void led_classdev_unregister(struct led_classdev *led_cdev); |
56 | extern void led_classdev_suspend(struct led_classdev *led_cdev); | 55 | extern void led_classdev_suspend(struct led_classdev *led_cdev); |
57 | extern void led_classdev_resume(struct led_classdev *led_cdev); | 56 | extern void led_classdev_resume(struct led_classdev *led_cdev); |
@@ -65,16 +64,16 @@ extern void led_classdev_resume(struct led_classdev *led_cdev); | |||
65 | 64 | ||
66 | struct led_trigger { | 65 | struct led_trigger { |
67 | /* Trigger Properties */ | 66 | /* Trigger Properties */ |
68 | const char *name; | 67 | const char *name; |
69 | void (*activate)(struct led_classdev *led_cdev); | 68 | void (*activate)(struct led_classdev *led_cdev); |
70 | void (*deactivate)(struct led_classdev *led_cdev); | 69 | void (*deactivate)(struct led_classdev *led_cdev); |
71 | 70 | ||
72 | /* LEDs under control by this trigger (for simple triggers) */ | 71 | /* LEDs under control by this trigger (for simple triggers) */ |
73 | rwlock_t leddev_list_lock; | 72 | rwlock_t leddev_list_lock; |
74 | struct list_head led_cdevs; | 73 | struct list_head led_cdevs; |
75 | 74 | ||
76 | /* Link to next registered trigger */ | 75 | /* Link to next registered trigger */ |
77 | struct list_head next_trig; | 76 | struct list_head next_trig; |
78 | }; | 77 | }; |
79 | 78 | ||
80 | /* Registration functions for complex triggers */ | 79 | /* Registration functions for complex triggers */ |