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backlight: backlight: Drop extern from prototypes

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No need to put "extern" in front of prototypes. While touching the
prototypes adjust indent to follow the kernel style.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Sam Ravnborg 2020-07-19 10:07:33 +02:00 committed by Lee Jones
parent 7ecdea4a02
commit 9c4aa3118b
1 changed files with 19 additions and 16 deletions
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35
include/linux/backlight.h
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@ -417,23 +417,26 @@ static inline bool backlight_is_blank(const struct backlight_device *bd)
bd->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK);
}
extern struct backlight_device *backlight_device_register(const char *name,
struct device *dev, void *devdata, const struct backlight_ops *ops,
const struct backlight_properties *props);
extern struct backlight_device *devm_backlight_device_register(
struct device *dev, const char *name, struct device *parent,
void *devdata, const struct backlight_ops *ops,
const struct backlight_properties *props);
extern void backlight_device_unregister(struct backlight_device *bd);
extern void devm_backlight_device_unregister(struct device *dev,
struct backlight_device *bd);
extern void backlight_force_update(struct backlight_device *bd,
enum backlight_update_reason reason);
extern int backlight_register_notifier(struct notifier_block *nb);
extern int backlight_unregister_notifier(struct notifier_block *nb);
extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type);
struct backlight_device *
backlight_device_register(const char *name, struct device *dev, void *devdata,
const struct backlight_ops *ops,
const struct backlight_properties *props);
struct backlight_device *
devm_backlight_device_register(struct device *dev, const char *name,
struct device *parent, void *devdata,
const struct backlight_ops *ops,
const struct backlight_properties *props);
void backlight_device_unregister(struct backlight_device *bd);
void devm_backlight_device_unregister(struct device *dev,
struct backlight_device *bd);
void backlight_force_update(struct backlight_device *bd,
enum backlight_update_reason reason);
int backlight_register_notifier(struct notifier_block *nb);
int backlight_unregister_notifier(struct notifier_block *nb);
struct backlight_device *backlight_device_get_by_name(const char *name);
extern int backlight_device_set_brightness(struct backlight_device *bd, unsigned long brightness);
struct backlight_device *backlight_device_get_by_type(enum backlight_type type);
int backlight_device_set_brightness(struct backlight_device *bd,
unsigned long brightness);
#define to_backlight_device(obj) container_of(obj, struct backlight_device, dev)