diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index e1c71359b605..01fd920685c2 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -206,6 +206,10 @@ static const struct __extcon_info {
  * @attr_name:		"name" sysfs entry
  * @attr_state:		"state" sysfs entry
  * @attrs:		the array pointing to attr_name and attr_state for attr_g
+ * @usb_propval:	the array of USB connector properties
+ * @chg_propval:	the array of charger connector properties
+ * @jack_propval:	the array of jack connector properties
+ * @disp_propval:	the array of display connector properties
  */
 struct extcon_cable {
 	struct extcon_dev *edev;