diff --git a/include/uapi/linux/rk-camera-module.h b/include/uapi/linux/rk-camera-module.h
index 74dd3529e118..6ba02752e299 100644
--- a/include/uapi/linux/rk-camera-module.h
+++ b/include/uapi/linux/rk-camera-module.h
@@ -256,6 +256,9 @@
 #define RKMODULE_SET_CHANNEL_STREAM	\
 	_IOW('x', 0, struct rkmodule_channel_stream)
 
+#define RKMODULE_SET_DES_LINK	\
+	_IOW('x', 1, __u32)
+
 #define RKMODULE_REG_LIST_MAX (16)
 struct rkmodule_reg_struct {
 	__u32 reg_addr;