diff --git a/include/cdma-netreg.h b/include/cdma-netreg.h
index 80b00473..5687a245 100644
--- a/include/cdma-netreg.h
+++ b/include/cdma-netreg.h
@@ -48,6 +48,8 @@ void ofono_cdma_netreg_status_notify(struct ofono_cdma_netreg *netreg,
 				enum cdma_netreg_status status);
 void ofono_cdma_netreg_strength_notify(struct ofono_cdma_netreg *netreg,
 				int strength);
+void ofono_cdma_netreg_data_strength_notify(struct ofono_cdma_netreg *netreg,
+				int data_strength);
 
 int ofono_cdma_netreg_driver_register(
 				const struct ofono_cdma_netreg_driver *d);