lcd: add callbacks for early fb event blank support

[sfrench/cifs-2.6.git] / include / linux / lcd.h

diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index 8877123f2d6e61dd8b22da7c9b8994f13d05e7f9..e00c3b0ebc6bd7303afdb0ffa448a31c0d000911 100644 (file)
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -40,6 +40,16 @@ struct lcd_ops {
        /* Get the LCD panel power status (0: full on, 1..3: controller
           power on, flat panel power off, 4: full off), see FB_BLANK_XXX */
        int (*get_power)(struct lcd_device *);
+       /*
+        * Enable or disable power to the LCD(0: on; 4: off, see FB_BLANK_XXX)
+        * and this callback would be called proir to fb driver's callback.
+        *
+        * P.S. note that if early_set_power is not NULL then early fb notifier
+        *      would be registered.
+        */
+       int (*early_set_power)(struct lcd_device *, int power);
+       /* revert the effects of the early blank event. */
+       int (*r_early_set_power)(struct lcd_device *, int power);
        /* Enable or disable power to the LCD (0: on; 4: off, see FB_BLANK_XXX) */
        int (*set_power)(struct lcd_device *, int power);
        /* Get the current contrast setting (0-max_contrast) */