diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index 1e082f39e97b..eab27c1f53c3 100644
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -752,7 +752,7 @@ static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
 	struct snd_soc_codec *codec = dai->codec;
-	int val;
+	int val = 0;
 
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
@@ -767,6 +767,9 @@ static int es8316_pcm_hw_params(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_FORMAT_S32_LE:
 		val = ES8316_DACWL_32;
 		break;
+	default:
+		val = ES8316_DACWL_16;
+		break;
 	}
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)