+enum display_image_effect {
+ DISPLAY_IMAGE_EFFECT_STANDARD, /* No effect */
+ DISPLAY_IMAGE_EFFECT_NEGATIVE, /* Total inversion */
+ DISPLAY_IMAGE_EFFECT_GRAYSCALE, /* Shades of gray and no color */
+ DISPLAY_IMAGE_EFFECT_PICTURE, /* Picture effect */
+ DISPLAY_IMAGE_EFFECT_VIDEO, /* Video effect */
+ DISPLAY_IMAGE_EFFECT_MOVIE, /* Movie effect */
+ DISPLAY_IMAGE_EFFECT_BROWSER, /* Browser effect */
+ DISPLAY_IMAGE_EFFECT_WARM, /* Warm effect */
+ DISPLAY_IMAGE_EFFECT_COLD, /* Cold effect */
+ DISPLAY_IMAGE_EFFECT_NATURAL, /* Natural effect */
+};
+
+enum display_panel_mode {
+ DISPLAY_PANEL_MODE_STANDARD, /* Standard mode */
+ DISPLAY_PANEL_MODE_OUTDOOR, /* Outdoor mode */
+ DISPLAY_PANEL_MODE_CONTENTS, /* Contents adaptive brightness control mode */
+ DISPLAY_PANEL_MODE_LOWPOWER, /* Low power mode */
+};
+