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leds: unify the location of led-trigger API

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Part of led-trigger API was in the private drivers/leds/leds.h header.
Move it to the include/linux/leds.h header to unify the API location
and announce it as public. It has been already exported from
led-triggers.c with EXPORT_SYMBOL_GPL macro. The no-op definitions are
changed from macros to inline to match the style of the surrounding code.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Jacek Anaszewski 2015-04-28 00:18:41 -07:00 committed by Bryan Wu
parent 0e14e0bfe8
commit 20f56758b0
2 changed files with 25 additions and 24 deletions
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24
drivers/leds/leds.h
View File

@ -13,7 +13,6 @@
#ifndef __LEDS_H_INCLUDED #ifndef __LEDS_H_INCLUDED
#define __LEDS_H_INCLUDED #define __LEDS_H_INCLUDED
#include <linux/device.h>
#include <linux/rwsem.h> #include <linux/rwsem.h>
#include <linux/leds.h> #include <linux/leds.h>
@ -50,27 +49,4 @@ void led_stop_software_blink(struct led_classdev *led_cdev);
extern struct rw_semaphore leds_list_lock; extern struct rw_semaphore leds_list_lock;
extern struct list_head leds_list; extern struct list_head leds_list;
#ifdef CONFIG_LEDS_TRIGGERS
void led_trigger_set_default(struct led_classdev *led_cdev);
void led_trigger_set(struct led_classdev *led_cdev,
struct led_trigger *trigger);
void led_trigger_remove(struct led_classdev *led_cdev);
static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
{
return led_cdev->trigger_data;
}
#else
#define led_trigger_set_default(x) do {} while (0)
#define led_trigger_set(x, y) do {} while (0)
#define led_trigger_remove(x) do {} while (0)
#define led_get_trigger_data(x) (NULL)
#endif
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
char *buf);
#endif /* __LEDS_H_INCLUDED */ #endif /* __LEDS_H_INCLUDED */

25
include/linux/leds.h
View File

@ -12,6 +12,7 @@
#ifndef __LINUX_LEDS_H_INCLUDED #ifndef __LINUX_LEDS_H_INCLUDED
#define __LINUX_LEDS_H_INCLUDED #define __LINUX_LEDS_H_INCLUDED
#include <linux/device.h>
#include <linux/list.h> #include <linux/list.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/rwsem.h> #include <linux/rwsem.h>
@ -222,6 +223,11 @@ struct led_trigger {
struct list_head next_trig; struct list_head next_trig;
}; };
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
ssize_t led_trigger_show(struct device *dev, struct device_attribute *attr,
char *buf);
/* Registration functions for complex triggers */ /* Registration functions for complex triggers */
extern int led_trigger_register(struct led_trigger *trigger); extern int led_trigger_register(struct led_trigger *trigger);
extern void led_trigger_unregister(struct led_trigger *trigger); extern void led_trigger_unregister(struct led_trigger *trigger);
@ -238,6 +244,16 @@ extern void led_trigger_blink_oneshot(struct led_trigger *trigger,
unsigned long *delay_on, unsigned long *delay_on,
unsigned long *delay_off, unsigned long *delay_off,
int invert); int invert);
extern void led_trigger_set_default(struct led_classdev *led_cdev);
extern void led_trigger_set(struct led_classdev *led_cdev,
struct led_trigger *trigger);
extern void led_trigger_remove(struct led_classdev *led_cdev);
static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
{
return led_cdev->trigger_data;
}
/** /**
* led_trigger_rename_static - rename a trigger * led_trigger_rename_static - rename a trigger
* @name: the new trigger name * @name: the new trigger name
@ -267,6 +283,15 @@ static inline void led_trigger_register_simple(const char *name,
static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {}
static inline void led_trigger_event(struct led_trigger *trigger, static inline void led_trigger_event(struct led_trigger *trigger,
enum led_brightness event) {} enum led_brightness event) {}
static inline void led_trigger_set_default(struct led_classdev *led_cdev) {}
static inline void led_trigger_set(struct led_classdev *led_cdev,
struct led_trigger *trigger) {}
static inline void led_trigger_remove(struct led_classdev *led_cdev) {}
static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
{
return NULL;
}
#endif /* CONFIG_LEDS_TRIGGERS */ #endif /* CONFIG_LEDS_TRIGGERS */
/* Trigger specific functions */ /* Trigger specific functions */