diff --git a/asoc/msm-pcm-routing-v2.c b/asoc/msm-pcm-routing-v2.c
index f42ac546bd45..33d0cef7489c 100644
--- a/asoc/msm-pcm-routing-v2.c
+++ b/asoc/msm-pcm-routing-v2.c
@@ -3989,6 +3989,9 @@ static int msm_routing_ext_ec_put(struct snd_kcontrol *kcontrol,
 	case EXT_EC_REF_SLIM_1_TX:
 		ext_ec_ref_port_id = SLIMBUS_1_TX;
 		break;
+	case EXT_EC_REF_SEC_TDM_TX:
+		ext_ec_ref_port_id = AFE_PORT_ID_SECONDARY_TDM_TX;
+		break;
 	case EXT_EC_REF_NONE:
 	default:
 		ext_ec_ref_port_id = AFE_PORT_INVALID;
@@ -4013,7 +4016,7 @@ static int msm_routing_ext_ec_put(struct snd_kcontrol *kcontrol,
 static const char * const ext_ec_ref_rx[] = {"NONE", "PRI_MI2S_TX",
 					"SEC_MI2S_TX", "TERT_MI2S_TX",
 					"QUAT_MI2S_TX", "QUIN_MI2S_TX",
-					"SLIM_1_TX"};
+					"SLIM_1_TX", "SEC_TDM_TX"};
 
 static const struct soc_enum msm_route_ext_ec_ref_rx_enum[] = {
 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ext_ec_ref_rx), ext_ec_ref_rx),
diff --git a/asoc/msm-pcm-routing-v2.h b/asoc/msm-pcm-routing-v2.h
index 074341130e09..b8006bc13e6c 100644
--- a/asoc/msm-pcm-routing-v2.h
+++ b/asoc/msm-pcm-routing-v2.h
@@ -433,6 +433,7 @@ enum {
 	EXT_EC_REF_QUAT_MI2S_TX,
 	EXT_EC_REF_QUIN_MI2S_TX,
 	EXT_EC_REF_SLIM_1_TX,
+	EXT_EC_REF_SEC_TDM_TX,
 };
 
 #define INVALID_SESSION -1