Add support for '8-port RS-232 MIC-3620 from advantech'

[linux-2.6-omap-h63xx.git] / include / linux / backlight.h

diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 1023ba0d6e5541aadfbca392ef42cc68a94a9acd..79ca2da81c87a9710f790241dc494f67ed003dae 100644 (file)
--- 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 {
@@ -69,8 +85,8 @@ struct backlight_device {
 
        /* The framebuffer notifier block */
        struct notifier_block fb_notif;
-       /* The class device structure */
-       struct class_device class_dev;
+
+       struct device dev;
 };
 
 static inline void backlight_update_status(struct backlight_device *bd)
@@ -85,6 +101,20 @@ extern struct backlight_device *backlight_device_register(const char *name,
        struct device *dev, void *devdata, struct backlight_ops *ops);
 extern void backlight_device_unregister(struct backlight_device *bd);
 
-#define to_backlight_device(obj) container_of(obj, struct backlight_device, class_dev)
+#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