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-rw-r--r--include/linux/leds.h100
1 files changed, 44 insertions, 56 deletions
diff --git a/include/linux/leds.h b/include/linux/leds.h
index efb309dba914..242258f7d837 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -161,7 +161,7 @@ struct led_classdev {
*
* Returns: 0 on success or negative error value on failure
*/
-extern int led_classdev_register_ext(struct device *parent,
+int led_classdev_register_ext(struct device *parent,
struct led_classdev *led_cdev,
struct led_init_data *init_data);
@@ -181,7 +181,7 @@ static inline int led_classdev_register(struct device *parent,
return led_classdev_register_ext(parent, led_cdev, NULL);
}
-extern int devm_led_classdev_register_ext(struct device *parent,
+int devm_led_classdev_register_ext(struct device *parent,
struct led_classdev *led_cdev,
struct led_init_data *init_data);
@@ -190,11 +190,11 @@ static inline int devm_led_classdev_register(struct device *parent,
{
return devm_led_classdev_register_ext(parent, led_cdev, NULL);
}
-extern void led_classdev_unregister(struct led_classdev *led_cdev);
-extern void devm_led_classdev_unregister(struct device *parent,
- struct led_classdev *led_cdev);
-extern void led_classdev_suspend(struct led_classdev *led_cdev);
-extern void led_classdev_resume(struct led_classdev *led_cdev);
+void led_classdev_unregister(struct led_classdev *led_cdev);
+void devm_led_classdev_unregister(struct device *parent,
+ struct led_classdev *led_cdev);
+void led_classdev_suspend(struct led_classdev *led_cdev);
+void led_classdev_resume(struct led_classdev *led_cdev);
/**
* led_blink_set - set blinking with software fallback
@@ -211,9 +211,8 @@ extern void led_classdev_resume(struct led_classdev *led_cdev);
* led_cdev->brightness_set() will not stop the blinking,
* use led_classdev_brightness_set() instead.
*/
-extern void led_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off);
+void led_blink_set(struct led_classdev *led_cdev, unsigned long *delay_on,
+ unsigned long *delay_off);
/**
* led_blink_set_oneshot - do a oneshot software blink
* @led_cdev: the LED to start blinking
@@ -228,10 +227,9 @@ extern void led_blink_set(struct led_classdev *led_cdev,
* If invert is set, led blinks for delay_off first, then for
* delay_on and leave the led on after the on-off cycle.
*/
-extern void led_blink_set_oneshot(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off,
- int invert);
+void led_blink_set_oneshot(struct led_classdev *led_cdev,
+ unsigned long *delay_on, unsigned long *delay_off,
+ int invert);
/**
* led_set_brightness - set LED brightness
* @led_cdev: the LED to set
@@ -241,8 +239,8 @@ extern void led_blink_set_oneshot(struct led_classdev *led_cdev,
* software blink timer that implements blinking when the
* hardware doesn't. This function is guaranteed not to sleep.
*/
-extern void led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness brightness);
+void led_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness brightness);
/**
* led_set_brightness_sync - set LED brightness synchronously
@@ -255,8 +253,8 @@ extern void led_set_brightness(struct led_classdev *led_cdev,
*
* Returns: 0 on success or negative error value on failure
*/
-extern int led_set_brightness_sync(struct led_classdev *led_cdev,
- enum led_brightness value);
+int led_set_brightness_sync(struct led_classdev *led_cdev,
+ enum led_brightness value);
/**
* led_update_brightness - update LED brightness
@@ -267,7 +265,7 @@ extern int led_set_brightness_sync(struct led_classdev *led_cdev,
*
* Returns: 0 on success or negative error value on failure
*/
-extern int led_update_brightness(struct led_classdev *led_cdev);
+int led_update_brightness(struct led_classdev *led_cdev);
/**
* led_get_default_pattern - return default pattern
@@ -279,8 +277,7 @@ extern int led_update_brightness(struct led_classdev *led_cdev);
* Return: Allocated array of integers with default pattern from device tree
* or NULL. Caller is responsible for kfree().
*/
-extern u32 *led_get_default_pattern(struct led_classdev *led_cdev,
- unsigned int *size);
+u32 *led_get_default_pattern(struct led_classdev *led_cdev, unsigned int *size);
/**
* led_sysfs_disable - disable LED sysfs interface
@@ -288,7 +285,7 @@ extern u32 *led_get_default_pattern(struct led_classdev *led_cdev,
*
* Disable the led_cdev's sysfs interface.
*/
-extern void led_sysfs_disable(struct led_classdev *led_cdev);
+void led_sysfs_disable(struct led_classdev *led_cdev);
/**
* led_sysfs_enable - enable LED sysfs interface
@@ -296,7 +293,7 @@ extern void led_sysfs_disable(struct led_classdev *led_cdev);
*
* Enable the led_cdev's sysfs interface.
*/
-extern void led_sysfs_enable(struct led_classdev *led_cdev);
+void led_sysfs_enable(struct led_classdev *led_cdev);
/**
* led_compose_name - compose LED class device name
@@ -310,8 +307,8 @@ extern void led_sysfs_enable(struct led_classdev *led_cdev);
*
* Returns: 0 on success or negative error value on failure
*/
-extern int led_compose_name(struct device *dev, struct led_init_data *init_data,
- char *led_classdev_name);
+int led_compose_name(struct device *dev, struct led_init_data *init_data,
+ char *led_classdev_name);
/**
* led_sysfs_is_disabled - check if LED sysfs interface is disabled
@@ -360,33 +357,25 @@ struct led_trigger {
#define led_trigger_get_led(dev) ((struct led_classdev *)dev_get_drvdata((dev)))
#define led_trigger_get_drvdata(dev) (led_get_trigger_data(led_trigger_get_led(dev)))
-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 */
-extern int led_trigger_register(struct led_trigger *trigger);
-extern void led_trigger_unregister(struct led_trigger *trigger);
-extern int devm_led_trigger_register(struct device *dev,
+int led_trigger_register(struct led_trigger *trigger);
+void led_trigger_unregister(struct led_trigger *trigger);
+int devm_led_trigger_register(struct device *dev,
struct led_trigger *trigger);
-extern void led_trigger_register_simple(const char *name,
+void led_trigger_register_simple(const char *name,
struct led_trigger **trigger);
-extern void led_trigger_unregister_simple(struct led_trigger *trigger);
-extern void led_trigger_event(struct led_trigger *trigger,
- enum led_brightness event);
-extern void led_trigger_blink(struct led_trigger *trigger,
- unsigned long *delay_on,
- unsigned long *delay_off);
-extern void led_trigger_blink_oneshot(struct led_trigger *trigger,
- unsigned long *delay_on,
- unsigned long *delay_off,
- int invert);
-extern void led_trigger_set_default(struct led_classdev *led_cdev);
-extern int led_trigger_set(struct led_classdev *led_cdev,
- struct led_trigger *trigger);
-extern void led_trigger_remove(struct led_classdev *led_cdev);
+void led_trigger_unregister_simple(struct led_trigger *trigger);
+void led_trigger_event(struct led_trigger *trigger, enum led_brightness event);
+void led_trigger_blink(struct led_trigger *trigger, unsigned long *delay_on,
+ unsigned long *delay_off);
+void led_trigger_blink_oneshot(struct led_trigger *trigger,
+ unsigned long *delay_on,
+ unsigned long *delay_off,
+ int invert);
+void led_trigger_set_default(struct led_classdev *led_cdev);
+int 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_set_trigger_data(struct led_classdev *led_cdev,
void *trigger_data)
@@ -414,8 +403,7 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
* This is meant to be used on triggers with statically
* allocated name.
*/
-extern void led_trigger_rename_static(const char *name,
- struct led_trigger *trig);
+void led_trigger_rename_static(const char *name, struct led_trigger *trig);
#define module_led_trigger(__led_trigger) \
module_driver(__led_trigger, led_trigger_register, \
@@ -457,20 +445,20 @@ static inline void *led_get_trigger_data(struct led_classdev *led_cdev)
/* Trigger specific functions */
#ifdef CONFIG_LEDS_TRIGGER_DISK
-extern void ledtrig_disk_activity(bool write);
+void ledtrig_disk_activity(bool write);
#else
static inline void ledtrig_disk_activity(bool write) {}
#endif
#ifdef CONFIG_LEDS_TRIGGER_MTD
-extern void ledtrig_mtd_activity(void);
+void ledtrig_mtd_activity(void);
#else
static inline void ledtrig_mtd_activity(void) {}
#endif
#if defined(CONFIG_LEDS_TRIGGER_CAMERA) || defined(CONFIG_LEDS_TRIGGER_CAMERA_MODULE)
-extern void ledtrig_flash_ctrl(bool on);
-extern void ledtrig_torch_ctrl(bool on);
+void ledtrig_flash_ctrl(bool on);
+void ledtrig_torch_ctrl(bool on);
#else
static inline void ledtrig_flash_ctrl(bool on) {}
static inline void ledtrig_torch_ctrl(bool on) {}
@@ -550,7 +538,7 @@ enum cpu_led_event {
CPU_LED_HALTED, /* Machine shutdown */
};
#ifdef CONFIG_LEDS_TRIGGER_CPU
-extern void ledtrig_cpu(enum cpu_led_event evt);
+void ledtrig_cpu(enum cpu_led_event evt);
#else
static inline void ledtrig_cpu(enum cpu_led_event evt)
{
@@ -559,7 +547,7 @@ static inline void ledtrig_cpu(enum cpu_led_event evt)
#endif
#ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED
-extern void led_classdev_notify_brightness_hw_changed(
+void led_classdev_notify_brightness_hw_changed(
struct led_classdev *led_cdev, enum led_brightness brightness);
#else
static inline void led_classdev_notify_brightness_hw_changed(