Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 0b58974..c7d6b2e 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -46,6 +46,12 @@
BACKLIGHT_UNREGISTERED,
};
+enum backlight_scale {
+ BACKLIGHT_SCALE_UNKNOWN = 0,
+ BACKLIGHT_SCALE_LINEAR,
+ BACKLIGHT_SCALE_NON_LINEAR,
+};
+
struct backlight_device;
struct fb_info;
@@ -80,6 +86,8 @@
enum backlight_type type;
/* Flags used to signal drivers of state changes */
unsigned int state;
+ /* Type of the brightness scale (linear, non-linear, ...) */
+ enum backlight_scale scale;
#define BL_CORE_SUSPENDED (1 << 0) /* backlight is suspended */
#define BL_CORE_FBBLANK (1 << 1) /* backlight is under an fb blank event */