diff --git a/drivers/backlight/aw99703/leds_aw99703.c b/drivers/backlight/aw99703/leds_aw99703.c
index f922cb0cdb87..2a914cf9e8f4 100644
--- a/drivers/backlight/aw99703/leds_aw99703.c
+++ b/drivers/backlight/aw99703/leds_aw99703.c
@@ -271,7 +271,7 @@ static int aw99703_backlight_init(struct aw99703_data *drvdata)
 	aw99703_i2c_write_bit(drvdata->client,
 				AW99703_REG_MODE,
 				AW99703_MODE_MAP_MASK,
-				AW99703_MODE_MAP_LINEAR);
+				drvdata->map_type);
 
 	/*default OVPSEL 38V*/
 	aw99703_i2c_write_bit(drvdata->client,
@@ -509,6 +509,14 @@ aw99703_get_dt_data(struct device *dev, struct aw99703_data *drvdata)
 	else
 		pr_info("%s pwm_mode=%d\n", __func__, drvdata->pwm_mode);
 
+	rc = of_property_read_u32(np, "aw99703,map-type", &drvdata->map_type);
+	if (rc != 0) {
+		drvdata->map_type = AW99703_MODE_MAP_LINEAR;
+		pr_err("%s map-type not found\n", __func__);
+	}
+	else
+		pr_info("%s map-type=%d\n", __func__, drvdata->map_type);
+
 	drvdata->using_lsb = of_property_read_bool(np, "aw99703,using-lsb");
 	pr_info("%s using_lsb --<%d>\n", __func__, drvdata->using_lsb);
 
diff --git a/drivers/backlight/aw99703/leds_aw99703.h b/drivers/backlight/aw99703/leds_aw99703.h
index 516df94aa91f..9b6c9bd51e59 100644
--- a/drivers/backlight/aw99703/leds_aw99703.h
+++ b/drivers/backlight/aw99703/leds_aw99703.h
@@ -230,6 +230,7 @@ struct aw99703_data {
 	unsigned short *brt_code_table;
 	int hwen_gpio;
 	unsigned int  pwm_mode;
+	unsigned int  map_type;
 	bool using_lsb;
 	bool bl_reconfig_enable;
 	char panel_info[16];