diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index a003e02..846dbe7 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig

@@ -268,6 +268,18 @@ config BACKLIGHT_MAX8925
 	  If you have a LCD backlight connected to the WLED output of MAX8925
 	  WLED output, say Y here to enable this driver.

+config BACKLIGHT_MT6370
+	tristate "MediaTek MT6370 Backlight Driver"
+	depends on MFD_MT6370
+	help
+	  This enables support for Mediatek MT6370 Backlight driver.
+	  It's commonly used to drive the display WLED. There are 4 channels
+	  inside, and each channel supports up to 30mA of current capability
+	  with 2048 current steps in exponential or linear mapping curves.

+
+	  This driver can also be built as a module. If so, the module
+	  will be called "mt6370-backlight".
+
[...]

diff --git a/drivers/video/backlight/mt6370-backlight.c b/drivers/video/backlight/mt6370-backlight.c
new file mode 100644
index 0000000..ba00a8f
--- /dev/null
+++ b/drivers/video/backlight/mt6370-backlight.c

[...]
+static int mt6370_bl_update_status(struct backlight_device *bl_dev)
+{
+	struct mt6370_priv *priv = bl_get_data(bl_dev);
+	int brightness = backlight_get_brightness(bl_dev);
+	unsigned int enable_val;
+	u8 brightness_val[2];
+	int ret;
+
+	if (brightness) {
+		brightness_val[0] = (brightness - 1) & MT6370_BL_DIM2_MASK;
+		brightness_val[1] = (brightness - 1) >> fls(MT6370_BL_DIM2_MASK);
+
+		/*
+		 * To make MT6372 using 14 bits to control the brightness
+		 * backward compatible with 11 bits brightness control
+		 * (like MT6370 and MT6371 do), we left shift the value
+		 * and pad with 1 to remaining bits. Hence, the MT6372's
+		 * backlight brightness will be almost the same as MT6370's
+		 * and MT6371's.
+		 */
+		if (priv->vid_type == MT6370_VID_6372) {
+			brightness_val[0] <<= MT6370_BL_DIM2_6372_SHIFT;
+			brightness_val[0] |= MT6370_BL_DUMMY_6372_MASK;
+		}