backlight.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/backlight.h>
#include <linux/notifier.h>
#include <linux/ctype.h>
#include <linux/err.h>
#include <linux/fb.h>
#include <linux/slab.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt

Functions
void	backlight_force_update (struct backlight_device *bd, enum backlight_update_reason reason)
	EXPORT_SYMBOL (backlight_force_update)
: the name of the new object(must be the same as the name of the
backlight_device_register - create and register a new object of backlight_device class. respective framebuffer device). : a pointer to the parent device : an optional pointer to be stored for private driver use. The methods may retrieve it by using bl_get_data(bd). : the backlight operations structure. Creates and registers new backlight device. Returns either an ERR_PTR() or a pointer to the newly allocated device.
struct backlight_device *	backlight_device_register (const char *name, struct device *parent, void *devdata, const struct backlight_ops *ops, const struct backlight_properties *props)
	EXPORT_SYMBOL (backlight_device_register)
void	backlight_device_unregister (struct backlight_device *bd)
	EXPORT_SYMBOL (backlight_device_unregister)
	postcore_initcall (backlight_class_init)
	module_exit (backlight_class_exit)
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Jamey Hicks <[email protected]>, Andrew Zabolotny <[email protected]>")
	MODULE_DESCRIPTION ("Backlight Lowlevel Control Abstraction")

Macro Definition Documentation

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 8 of file backlight.c.

Function Documentation

struct backlight_device* backlight_device_register ( const char *  name, struct device *  parent, void *  devdata, const struct backlight_ops *  ops, const struct backlight_properties *  props  )

read

Definition at line 288 of file backlight.c.

void backlight_device_unregister

(

struct backlight_device *

bd

)

backlight_device_unregister - unregisters a backlight device object. : the backlight device object to be unregistered and freed.

Unregisters a previously registered via backlight_device_register object.

Definition at line 353 of file backlight.c.

void backlight_force_update	(	struct backlight_device *	bd,
		enum backlight_update_reason	reason
	)

backlight_force_update - tell the backlight subsystem that hardware state has changed : the backlight device to update

Updates the internal state of the backlight in response to a hardware event, and generate a uevent to notify userspace

Definition at line 264 of file backlight.c.

EXPORT_SYMBOL

(

backlight_force_update

)

EXPORT_SYMBOL

(

backlight_device_register

)

EXPORT_SYMBOL

(

backlight_device_unregister

)

MODULE_AUTHOR	(	"Jamey Hicks <[email protected]>	,
		Andrew Zabolotny< zap @homelink.ru >"
	)

MODULE_DESCRIPTION

(

"Backlight Lowlevel Control Abstraction"

)

module_exit

(

backlight_class_exit

)

MODULE_LICENSE

(

"GPL"

)

postcore_initcall

(

backlight_class_init

)