diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 062653ab03a3..1a362a799dbb 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2498,6 +2498,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
  *
  * @component: The component the DAIs are registered for
  * @dai_drv: DAI driver to use for the DAI
+ * @legacy_dai_naming: if %true, use legacy single-name format;
+ * 	if %false, use multiple-name format;
  *
  * Topology can use this API to register DAIs when probing a component.
  * These DAIs's widgets will be freed in the card cleanup and the DAIs