DSS2: Add function to display object to get the backlight level

This is needed by an upcoming patch that changes the backlight
initialization to use the backlight level set by the bootloader.

Also add a field for the maximum backlight level.

Signed-off-by: Imre Deak <imre.deak@nokia.com>

diff --git a/arch/arm/plat-omap/include/mach/display.h b/arch/arm/plat-omap/include/mach/display.h
index 6288353..6b702c7 100644 (file)
--- a/arch/arm/plat-omap/include/mach/display.h
+++ b/arch/arm/plat-omap/include/mach/display.h
@@ -211,6 +211,8 @@ struct omap_dss_display_config {
        int panel_reset_gpio;
        int ctrl_reset_gpio;
 
+       int max_backlight_level;
+
        const char *name;               /* for debug */
        const char *ctrl_name;
        const char *panel_name;
@@ -225,6 +227,7 @@ struct omap_dss_display_config {
        void (*ctrl_disable)(struct omap_display *display);
        int (*set_backlight)(struct omap_display *display,
                        int level);
+       int (*get_backlight)(struct omap_display *display);
 };
 
 struct device;