struct backlight_properties {
/* Owner module */
struct module *owner;
-
- /* 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.) */
+ /* 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 */
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 {