tdm: add missed description

Change-Id: I91f0053a9e97459ec5269cc1fb638adc310c74e4

diff --git a/include/tdm.h b/include/tdm.h
index 3cae42f..6bc822f 100644 (file)
--- a/include/tdm.h
+++ b/include/tdm.h
@@ -738,6 +738,7 @@ tdm_output_hwc_get_video_supported_formats(tdm_layer *layer, const tbm_format **
 /**
  * @brief Get a output object of a layer object
  * @param[in] layer A layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
  * @return A TDM output object if success. Otherwise, NULL.
  */
 tdm_output*
@@ -892,6 +893,7 @@ tdm_layer_remove_commit_handler(tdm_layer *layer, tdm_layer_commit_handler func,
  * @details A displaying TDM buffer is a current showing buffer on screen
  * that is set to layer object and applied output object of a layer object.
  * @param[in] layer A layer object
+ * @param[out] error #TDM_ERROR_NONE if success. Otherwise, error value.
  * @return A TDM buffer if success. Otherwise, NULL.
  */
 tbm_surface_h