diff --git a/sound/soc/mediatek/mt8188/mt8188-dai-etdm.c b/sound/soc/mediatek/mt8188/mt8188-dai-etdm.c
index 7a37752d4244..fddecf5bf7c6 100644
--- a/sound/soc/mediatek/mt8188/mt8188-dai-etdm.c
+++ b/sound/soc/mediatek/mt8188/mt8188-dai-etdm.c
@@ -1909,6 +1909,10 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
 		if (!is_valid_etdm_dai(mst_dai_id))
 			return -EINVAL;
 
+		mst_etdm_data = afe_priv->dai_priv[mst_dai_id];
+		if (mst_etdm_data->slots)
+			channels = mst_etdm_data->slots;
+
 		ret = mtk_dai_etdm_mclk_configure(afe, mst_dai_id);
 		if (ret)
 			return ret;
@@ -1918,7 +1922,6 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
 		if (ret)
 			return ret;
 
-		mst_etdm_data = afe_priv->dai_priv[mst_dai_id];
 		for (i = 0; i < mst_etdm_data->cowork_slv_count; i++) {
 			slv_dai_id = mst_etdm_data->cowork_slv_id[i];
 			ret = mtk_dai_etdm_configure(afe, rate, channels,
@@ -1931,6 +1934,12 @@ static int mtk_dai_etdm_hw_params(struct snd_pcm_substream *substream,
 				return ret;
 		}
 	} else {
+		if (!is_valid_etdm_dai(dai->id))
+			return -EINVAL;
+		mst_etdm_data = afe_priv->dai_priv[dai->id];
+		if (mst_etdm_data->slots)
+			channels = mst_etdm_data->slots;
+
 		ret = mtk_dai_etdm_mclk_configure(afe, dai->id);
 		if (ret)
 			return ret;
@@ -2073,10 +2082,16 @@ static int mtk_dai_etdm_set_tdm_slot(struct snd_soc_dai *dai,
 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 	struct mt8188_afe_private *afe_priv = afe->platform_priv;
 	struct mtk_dai_etdm_priv *etdm_data;
+	int dai_id;
 
-	if (!is_valid_etdm_dai(dai->id))
+	if (is_cowork_mode(dai))
+		dai_id = get_etdm_cowork_master_id(dai);
+	else
+		dai_id = dai->id;
+
+	if (!is_valid_etdm_dai(dai_id))
 		return -EINVAL;
-	etdm_data = afe_priv->dai_priv[dai->id];
+	etdm_data = afe_priv->dai_priv[dai_id];
 
 	dev_dbg(dai->dev, "%s id %d slot_width %d\n",
 		__func__, dai->id, slot_width);