X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fbacklight.h;h=75e91f5b6a04ce7dc0626599d9d21ac08f8b3059;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=bb9e543223225ccdd9a176bfb1babf67462f5908;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/linux/backlight.h b/include/linux/backlight.h index bb9e54322..75e91f5b6 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -19,20 +19,25 @@ struct fb_info; struct backlight_properties { /* Owner module */ struct module *owner; - /* Get the backlight power status (0: full on, 1..3: power saving - modes; 4: full off), see FB_BLANK_XXX */ - int (*get_power)(struct backlight_device *); - /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */ - int (*set_power)(struct backlight_device *, int power); - /* Maximal value for brightness (read-only) */ - int max_brightness; - /* Get current backlight brightness */ + + /* 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 *); - /* Set backlight brightness (0..max_brightness) */ - int (*set_brightness)(struct backlight_device *, int brightness); /* 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 fb_info *); + + /* 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) */ + int fb_blank; }; struct backlight_device {