diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index 7f70db149b81..78bac995db15 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -433,7 +433,7 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
  * This routine only retrieves that was previously configured
  * with snd_soc_dai_get_sdw_stream()
  *
- * Returns pointer to stream or NULL;
+ * Returns pointer to stream or -ENOTSUPP if callback is not supported;
  */
 static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
 					       int direction)
@@ -441,7 +441,7 @@ static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
 	if (dai->driver->ops->get_sdw_stream)
 		return dai->driver->ops->get_sdw_stream(dai, direction);
 	else
-		return NULL;
+		return ERR_PTR(-ENOTSUPP);
 }
 
 #endif