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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/backlight.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/backlight.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/backlight.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/ANDROID_3.4.5/include/linux/backlight.h b/ANDROID_3.4.5/include/linux/backlight.h deleted file mode 100644 index 5ffc6dda..00000000 --- a/ANDROID_3.4.5/include/linux/backlight.h +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Backlight Lowlevel Control Abstraction - * - * Copyright (C) 2003,2004 Hewlett-Packard Company - * - */ - -#ifndef _LINUX_BACKLIGHT_H -#define _LINUX_BACKLIGHT_H - -#include <linux/device.h> -#include <linux/mutex.h> -#include <linux/notifier.h> - -/* Notes on locking: - * - * backlight_device->ops_lock is an internal backlight lock protecting the - * ops pointer and no code outside the core should need to touch it. - * - * Access to update_status() is serialised by the update_lock mutex since - * most drivers seem to need this and historically get it wrong. - * - * Most drivers don't need locking on their get_brightness() method. - * If yours does, you need to implement it in the driver. You can use the - * update_lock mutex if appropriate. - * - * Any other use of the locks below is probably wrong. - */ - -enum backlight_update_reason { - BACKLIGHT_UPDATE_HOTKEY, - BACKLIGHT_UPDATE_SYSFS, -}; - -enum backlight_type { - BACKLIGHT_RAW = 1, - BACKLIGHT_PLATFORM, - BACKLIGHT_FIRMWARE, - BACKLIGHT_TYPE_MAX, -}; - -struct backlight_device; -struct fb_info; - -struct backlight_ops { - unsigned int options; - -#define BL_CORE_SUSPENDRESUME (1 << 0) - - /* Notify the backlight driver some property has changed */ - int (*update_status)(struct backlight_device *); - /* Return the current backlight brightness (accounting for power, - fb_blank etc.) */ - int (*get_brightness)(struct backlight_device *); - /* Check if given framebuffer device is the one bound to this backlight; - return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (*check_fb)(struct backlight_device *, struct fb_info *); -}; - -/* This structure defines all the properties of a backlight */ -struct backlight_properties { - /* Current User requested brightness (0 - max_brightness) */ - int brightness; - /* Maximal value for brightness (read-only) */ - int max_brightness; - /* Current FB Power mode (0: full on, 1..3: power saving - modes; 4: full off), see FB_BLANK_XXX */ - int power; - /* FB Blanking active? (values as for power) */ - /* Due to be removed, please use (state & BL_CORE_FBBLANK) */ - int fb_blank; - /* Backlight type */ - enum backlight_type type; - /* Flags used to signal drivers of state changes */ - /* Upper 4 bits are reserved for driver internal use */ - unsigned int state; - -#define BL_CORE_SUSPENDED (1 << 0) /* backlight is suspended */ -#define BL_CORE_FBBLANK (1 << 1) /* backlight is under an fb blank event */ -#define BL_CORE_DRIVER4 (1 << 28) /* reserved for driver specific use */ -#define BL_CORE_DRIVER3 (1 << 29) /* reserved for driver specific use */ -#define BL_CORE_DRIVER2 (1 << 30) /* reserved for driver specific use */ -#define BL_CORE_DRIVER1 (1 << 31) /* reserved for driver specific use */ - -}; - -struct backlight_device { - /* Backlight properties */ - struct backlight_properties props; - - /* Serialise access to update_status method */ - struct mutex update_lock; - - /* This protects the 'ops' field. If 'ops' is NULL, the driver that - registered this device has been unloaded, and if class_get_devdata() - points to something in the body of that driver, it is also invalid. */ - struct mutex ops_lock; - const struct backlight_ops *ops; - - /* The framebuffer notifier block */ - struct notifier_block fb_notif; - - struct device dev; -}; - -static inline void backlight_update_status(struct backlight_device *bd) -{ - mutex_lock(&bd->update_lock); - if (bd->ops && bd->ops->update_status) - bd->ops->update_status(bd); - mutex_unlock(&bd->update_lock); -} - -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 void backlight_device_unregister(struct backlight_device *bd); -extern void backlight_force_update(struct backlight_device *bd, - enum backlight_update_reason reason); - -#define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) - -static inline void * bl_get_data(struct backlight_device *bl_dev) -{ - return dev_get_drvdata(&bl_dev->dev); -} - -struct generic_bl_info { - const char *name; - int max_intensity; - int default_intensity; - int limit_mask; - void (*set_bl_intensity)(int intensity); - void (*kick_battery)(void); -}; - -#endif |