diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index ae9a227d35d..a0cb84c815b 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -121,6 +121,11 @@ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
 int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
 			     int direction);
 
+int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
+	unsigned int *tx_num, unsigned int *tx_slot,
+	unsigned int *rx_num, unsigned int *rx_slot);
+
+
 struct snd_soc_dai_ops {
 	/*
 	 * DAI clocking configuration, all optional.
@@ -144,6 +149,10 @@ struct snd_soc_dai_ops {
 		unsigned int tx_num, unsigned int *tx_slot,
 		unsigned int rx_num, unsigned int *rx_slot);
 	int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
+	int (*get_channel_map)(struct snd_soc_dai *dai,
+		unsigned int *tx_num, unsigned int *tx_slot,
+		unsigned int *rx_num, unsigned int *rx_slot);
+
 
 	/*
 	 * DAI digital mute - optional.
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index de8c895add2..c5e127ef83a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -4499,6 +4499,29 @@ int snd_soc_info_multi_ext(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_info_multi_ext);
+/**
+ * snd_soc_dai_get_channel_map - configure DAI audio channel map
+ * @dai: DAI
+ * @tx_num: how many TX channels
+ * @tx_slot: pointer to an array which imply the TX slot number channel
+ *           0~num-1 uses
+ * @rx_num: how many RX channels
+ * @rx_slot: pointer to an array which imply the RX slot number channel
+ *           0~num-1 uses
+ *
+ * configure the relationship between channel number and TDM slot number.
+ */
+int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
+	unsigned int *tx_num, unsigned int *tx_slot,
+	unsigned int *rx_num, unsigned int *rx_slot)
+{
+	if (dai->driver && dai->driver->ops->get_channel_map)
+		return dai->driver->ops->get_channel_map(dai, tx_num, tx_slot,
+			rx_num, rx_slot);
+	else
+		return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dai_get_channel_map);
 static int __init snd_soc_init(void)
 {
 #ifdef CONFIG_DEBUG_FS