ASoC: Add mixer control path for AFE loopback for Voice Call

Add mixer control for AFE loopback for
External Modem based Voice call support.

Change-Id: I379187b9b013a9c97cce3eab6a5a254e102d5ef2
Signed-off-by: Suprith Malligere Shankaregowda <[email protected]>

asoc/msm-pcm-routing-v2.c

@@ -15527,6 +15527,10 @@ static const struct snd_kcontrol_new aux_pcm_rx_port_mixer_controls[] = {
 	MSM_BACKEND_DAI_AUXPCM_RX,
 	MSM_BACKEND_DAI_SECONDARY_MI2S_TX, 1, 0, msm_routing_get_port_mixer,
 	msm_routing_put_port_mixer),
+	SOC_DOUBLE_EXT("TERT_TDM_TX_0", SND_SOC_NOPM,
+	MSM_BACKEND_DAI_AUXPCM_RX,
+	MSM_BACKEND_DAI_TERT_TDM_TX_0, 1, 0, msm_routing_get_port_mixer,
+	msm_routing_put_port_mixer),
 };
 
 static const struct snd_kcontrol_new sec_auxpcm_rx_port_mixer_controls[] = {
@@ -25976,6 +25980,7 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"AUX_PCM_RX Port Mixer", "SLIM_1_TX", "SLIMBUS_1_TX"},
 	{"AUX_PCM_RX Port Mixer", "SEC_AUX_PCM_UL_TX", "SEC_AUX_PCM_TX"},
 	{"AUX_PCM_RX Port Mixer", "QUAT_TDM_TX_0", "QUAT_TDM_TX_0"},
+	{"AUX_PCM_RX Port Mixer", "TERT_TDM_TX_0", "TERT_TDM_TX_0"},
 	{"AUX_PCM_RX Port Mixer", "SEC_MI2S_TX", "SEC_MI2S_TX"},
 	{"AUX_PCM_RX", NULL, "AUX_PCM_RX Port Mixer"},