diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index 03d54058a990..deafe3cea32a 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -207,6 +207,9 @@
 #define RKMODULE_SET_WB_GAIN  \
 	_IOW('V', BASE_VIDIOC_PRIVATE + 47, struct rkmodule_wb_gain_group)
 
+#define RKMODULE_SET_BLC  \
+	_IOW('V', BASE_VIDIOC_PRIVATE + 48, struct rkmodule_blc_group)
+
 struct rkmodule_i2cdev_info {
 	__u8 slave_addr;
 } __attribute__ ((packed));
@@ -920,4 +923,19 @@ struct rkmodule_wb_gain_group {
 	struct rkmodule_wb_gain wb_gain[RKMODULE_MAX_WB_GAIN_GROUP];
 };
 
+#define RKMODULE_MAX_BLC_GROUP (4)
+
+enum rkmodule_blc_type {
+	RKMODULE_HCG_BLC,
+	RKMODULE_LCG_BLC,
+	RKMODULE_SPD_BLC,
+	RKMODULE_VS_BLC,
+};
+
+struct rkmodule_blc_group {
+	__u32 group_num;
+	enum rkmodule_blc_type blc_type[RKMODULE_MAX_BLC_GROUP];
+	__u32 blc[RKMODULE_MAX_BLC_GROUP];
+};
+
 #endif /* _UAPI_RKMODULE_CAMERA_H */