Add restriction for setting content type

Change-Id: I214d4930fdf3ec7815906f857ed5bae62a8f5d66

diff --git a/include/media_controller_server.h b/include/media_controller_server.h
index 8d39fed..931365c 100755 (executable)
--- a/include/media_controller_server.h
+++ b/include/media_controller_server.h
@@ -378,6 +378,8 @@ int mc_server_set_playlist_item_info(mc_server_h server, const char *playlist_na
  * @privlevel public
  * @privilege %http://tizen.org/privilege/mediacontroller.server
  *
+ * @remarks If @a content_type is #MC_CONTENT_TYPE_UNDECIDED, this function will return #MEDIA_CONTROLLER_ERROR_INVALID_PARAMETER.
+ *
  * @param[in] server The handle to media controller server
  * @param[in] content_type The content type to set the latest status
  * @return @c 0 on success,