diff --git a/seeed-voicecard.c b/seeed-voicecard.c
index b2a5eed..40b1df8 100644
--- a/seeed-voicecard.c
+++ b/seeed-voicecard.c
@@ -96,16 +96,16 @@ static int seeed_voice_card_startup(struct snd_pcm_substream *substream)
 	if (ret)
 		clk_disable_unprepare(dai_props->cpu_dai.clk);
 
-	if (rtd->cpu_dai->driver->playback.channels_min) {
-		priv->channels_playback_default = rtd->cpu_dai->driver->playback.channels_min;
+	if (asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_min) {
+		priv->channels_playback_default = asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_min;
 	}
-	if (rtd->cpu_dai->driver->capture.channels_min) {
-		priv->channels_capture_default = rtd->cpu_dai->driver->capture.channels_min;
+	if (asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_min) {
+		priv->channels_capture_default = asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_min;
 	}
-	rtd->cpu_dai->driver->playback.channels_min = priv->channels_playback_override;
-	rtd->cpu_dai->driver->playback.channels_max = priv->channels_playback_override;
-	rtd->cpu_dai->driver->capture.channels_min = priv->channels_capture_override;
-	rtd->cpu_dai->driver->capture.channels_max = priv->channels_capture_override;
+	asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_min = priv->channels_playback_override;
+	asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_max = priv->channels_playback_override;
+	asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_min = priv->channels_capture_override;
+	asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_max = priv->channels_capture_override;
 
 	return ret;
 }
@@ -117,10 +117,10 @@ static void seeed_voice_card_shutdown(struct snd_pcm_substream *substream)
 	struct seeed_dai_props *dai_props =
 		seeed_priv_to_props(priv, rtd->num);
 
-	rtd->cpu_dai->driver->playback.channels_min = priv->channels_playback_default;
-	rtd->cpu_dai->driver->playback.channels_max = priv->channels_playback_default;
-	rtd->cpu_dai->driver->capture.channels_min = priv->channels_capture_default;
-	rtd->cpu_dai->driver->capture.channels_max = priv->channels_capture_default;
+	asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_min = priv->channels_playback_default;
+	asoc_rtd_to_cpu(rtd, 0)->driver->playback.channels_max = priv->channels_playback_default;
+	asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_min = priv->channels_capture_default;
+	asoc_rtd_to_cpu(rtd, 0)->driver->capture.channels_max = priv->channels_capture_default;
 
 	clk_disable_unprepare(dai_props->cpu_dai.clk);
 
@@ -131,8 +131,8 @@ static int seeed_voice_card_hw_params(struct snd_pcm_substream *substream,
 				      struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 	struct seeed_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
 	struct seeed_dai_props *dai_props =
 		seeed_priv_to_props(priv, rtd->num);
@@ -196,7 +196,7 @@ static void work_cb_codec_clk(struct work_struct *work)
 static int seeed_voice_card_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *dai = rtd->codec_dai;
+	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
 	struct seeed_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
 	#if CONFIG_AC10X_TRIG_LOCK
 	unsigned long flags;
@@ -339,8 +339,8 @@ static int asoc_simple_init_dai(struct snd_soc_dai *dai,
 static int seeed_voice_card_dai_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct seeed_card_data *priv =	snd_soc_card_get_drvdata(rtd->card);
-	struct snd_soc_dai *codec = rtd->codec_dai;
-	struct snd_soc_dai *cpu = rtd->cpu_dai;
+	struct snd_soc_dai *codec = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_dai *cpu = asoc_rtd_to_cpu(rtd, 0);
 	struct seeed_dai_props *dai_props =
 		seeed_priv_to_props(priv, rtd->num);
 	int ret;