1 files changed, 2 insertions, 0 deletions
diff --git a/include/input.h b/include/input.h
index 0f4acb27f..e90bb0ba9 100644
--- a/include/input.h
+++ b/include/input.h
@@ -84,6 +84,8 @@ struct stdio_dev;
  * @param config	Input state
  * @param keycode	List of key codes to examine
  * @param num_keycodes	Number of key codes
+ * @return number of ascii characters sent, or 0 if none, or -1 for an
+ *	internal error
  */
 int input_send_keycodes(struct input_config *config, int keycode[], int count);