asoc: msm: Add primary tdm tx line in echo reference

Add primary tdm interface in echo reference list
so that it can be used for any echo reference use
case.

Change-Id: Id1621240fc28e0e1b505f5e46c426df0b91c416e
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>

asoc/msm-pcm-routing-v2.c

@@ -5682,6 +5682,9 @@ 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_PRI_TDM_TX:
+		ext_ec_ref_port_id = AFE_PORT_ID_PRIMARY_TDM_TX;
+		break;
 	case EXT_EC_REF_SEC_TDM_TX:
 		ext_ec_ref_port_id = AFE_PORT_ID_SECONDARY_TDM_TX;
 		break;
@@ -5709,7 +5712,8 @@ 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", "SEC_TDM_TX"};
+					"SLIM_1_TX", "PRI_TDM_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),
@@ -26709,6 +26713,7 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"VOC_EXT_EC MUX", "QUAT_MI2S_TX", "QUAT_MI2S_TX"},
 	{"VOC_EXT_EC MUX", "QUIN_MI2S_TX", "QUIN_MI2S_TX"},
 	{"VOC_EXT_EC MUX", "SLIM_1_TX",    "SLIMBUS_1_TX"},
+	{"VOC_EXT_EC MUX", "PRI_TDM_TX",   "PRI_TDM_TX_0"},
 	{"VOC_EXT_EC MUX", "SEC_TDM_TX",   "SEC_TDM_TX_0"},
 	{"VOIP_UL", NULL, "VOC_EXT_EC MUX"},
 	{"VOICEMMODE1_UL", NULL, "VOC_EXT_EC MUX"},