diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index 6ba02752e299..aacb2927f3d6 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -259,6 +259,9 @@
 #define RKMODULE_SET_DES_LINK	\
 	_IOW('x', 1, __u32)
 
+#define RKMODULE_GET_MATCH_ID	\
+	_IOR('x', 2, __u32)
+
 #define RKMODULE_REG_LIST_MAX (16)
 struct rkmodule_reg_struct {
 	__u32 reg_addr;