diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/backlight.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 1ee9488ca2e4..79ca2da81c87 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -31,6 +31,10 @@ 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, @@ -51,7 +55,19 @@ struct backlight_properties { 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; + /* 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 { |