diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index 77944de3b9e9..603700d77d20 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -235,6 +235,12 @@
 #define RKMODULE_SET_EXPAND_SINGLE_MODE       \
 	_IOW('V', BASE_VIDIOC_PRIVATE + 57, __u32)
 
+#define RKMODULE_SET_LENC  \
+	_IOW('V', BASE_VIDIOC_PRIVATE + 58, struct rkmodule_lenc_gain)
+
+#define RKMODULE_GET_LENC_INFO  \
+	_IOR('V', BASE_VIDIOC_PRIVATE + 59, struct rkmodule_lenc_info)
+
 struct rkmodule_i2cdev_info {
 	__u8 slave_addr;
 } __attribute__ ((packed));
@@ -1006,4 +1012,31 @@ enum rkmodule_expand_single_mode {
 	EXPAND_SINGLE_LOFIC,
 };
 
+#define RKMODULE_MAX_LENC_GROUP (4)
+
+struct rkmodule_lenc_gain {
+	__u32 g[RKMODULE_LSCDATA_LEN];
+	__u32 b[RKMODULE_LSCDATA_LEN];
+	__u32 r[RKMODULE_LSCDATA_LEN];
+};
+
+struct rkmodule_lenc_data {
+	__u16 rgain;
+	__u16 bgain;
+	struct rkmodule_lenc_gain lenc_gain;
+};
+
+struct rkmodule_lenc_inf {
+	__u32 flag;
+	__u32 group_num;
+	__u32 lenc_gain_len;
+	struct rkmodule_lenc_data lenc_data[RKMODULE_MAX_LENC_GROUP];
+};
+
+struct rkmodule_lenc_info {
+	__u32 bit_width;
+	__u32 grid_num;
+	__u32 reserved[8];
+};
+
 #endif /* _UAPI_RKMODULE_CAMERA_H */