backlight/fbcon: Add FB_EVENT_CONBLANK

[safe/jmp/linux-2.6] / include / linux / fb.h

diff --git a/include/linux/fb.h b/include/linux/fb.h
index 9402dec..bf7158b 100644 (file)
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -516,13 +516,15 @@ struct fb_cursor_user {
 #define FB_EVENT_GET_CONSOLE_MAP        0x07
 /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */
 #define FB_EVENT_SET_CONSOLE_MAP        0x08
-/*      A display blank is requested       */
+/*      A hardware display blank change occured */
 #define FB_EVENT_BLANK                  0x09
 /*      Private modelist is to be replaced */
 #define FB_EVENT_NEW_MODELIST           0x0A
 /*     The resolution of the passed in fb_info about to change and
         all vc's should be changed         */
 #define FB_EVENT_MODE_CHANGE_ALL       0x0B
+/*     A software display blank change occured */
+#define FB_EVENT_CONBLANK               0x0C
 
 struct fb_event {
        struct fb_info *info;
@@ -952,25 +954,26 @@ extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
 /* drivers/video/modedb.c */
 #define VESA_MODEDB_SIZE 34
 extern void fb_var_to_videomode(struct fb_videomode *mode,
-                               struct fb_var_screeninfo *var);
+                               const struct fb_var_screeninfo *var);
 extern void fb_videomode_to_var(struct fb_var_screeninfo *var,
-                               struct fb_videomode *mode);
-extern int fb_mode_is_equal(struct fb_videomode *mode1,
-                           struct fb_videomode *mode2);
-extern int fb_add_videomode(struct fb_videomode *mode, struct list_head *head);
-extern void fb_delete_videomode(struct fb_videomode *mode,
+                               const struct fb_videomode *mode);
+extern int fb_mode_is_equal(const struct fb_videomode *mode1,
+                           const struct fb_videomode *mode2);
+extern int fb_add_videomode(const struct fb_videomode *mode,
+                           struct list_head *head);
+extern void fb_delete_videomode(const struct fb_videomode *mode,
                                struct list_head *head);
-extern struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
-                                         struct list_head *head);
-extern struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
-                                             struct list_head *head);
-extern struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
-                                                struct list_head *head);
+extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
+                                               struct list_head *head);
+extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
+                                                   struct list_head *head);
+extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
+                                                      struct list_head *head);
 extern void fb_destroy_modelist(struct list_head *head);
-extern void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
                                     struct list_head *head);
-extern struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
-                                                struct list_head *head);
+extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
+                                                      struct list_head *head);
 
 /* drivers/video/fbcmap.c */
 extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);