diff --git a/configs/sdm660/mixer_paths.xml b/configs/sdm660/mixer_paths.xml
index 9874c6d..b49d88d 100644
--- a/configs/sdm660/mixer_paths.xml
+++ b/configs/sdm660/mixer_paths.xml
@@ -175,6 +175,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -418,13 +419,38 @@
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
+         <path name="echo-reference headphones" />
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+         <path name="echo-reference-voip headphones" />
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_mtp.xml b/configs/sdm660/mixer_paths_mtp.xml
index b38ed9a..7d39614 100644
--- a/configs/sdm660/mixer_paths_mtp.xml
+++ b/configs/sdm660/mixer_paths_mtp.xml
@@ -174,6 +174,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -417,13 +418,38 @@
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
+         <path name="echo-reference headphones" />
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+         <path name="echo-reference-voip headphones" />
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_skush.xml b/configs/sdm660/mixer_paths_skush.xml
index 131faec..c9216ca 100644
--- a/configs/sdm660/mixer_paths_skush.xml
+++ b/configs/sdm660/mixer_paths_skush.xml
@@ -166,6 +166,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -409,17 +410,48 @@
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
    <path name="echo-reference handset">
        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+       <ctl name="EC Reference Channels" value="One"/>
    </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
+         <path name="echo-reference headphones" />
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT4_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+   <path name="echo-reference-voip handset">
+       <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+       <ctl name="EC Reference Channels" value="One"/>
+   </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="INT0_MI2S_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-referenc-voip headphones-44.1">
+         <path name="echo-reference-voip headphones" />
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_tasha.xml b/configs/sdm660/mixer_paths_tasha.xml
index 1a3b2de..ffc40cb 100644
--- a/configs/sdm660/mixer_paths_tasha.xml
+++ b/configs/sdm660/mixer_paths_tasha.xml
@@ -389,6 +389,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -604,6 +605,7 @@
         <ctl name="RX MIX TX1 MUX" value="RX_MIX_VBAT7" />
         <ctl name="SLIM_1_TX Channels" value="One" />
         <ctl name="VOC_EXT_EC MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="One"/>
    </path>
 
     <path name="echo-reference speaker-vbat-mono-2">
@@ -612,6 +614,7 @@
         <ctl name="RX MIX TX2 MUX" value="RX_MIX_VBAT8" />
         <ctl name="SLIM_1_TX Channels" value="One" />
         <ctl name="VOC_EXT_EC MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="One"/>
    </path>
 
    <path name="echo-reference speaker-vbat">
@@ -623,18 +626,45 @@
         <ctl name="RX MIX TX2 MUX" value="RX_MIX_VBAT8" />
         <ctl name="SLIM_1_TX Channels" value="Two" />
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_tasha_skus.xml b/configs/sdm660/mixer_paths_tasha_skus.xml
index 0cfdf84..a0ea3f8 100644
--- a/configs/sdm660/mixer_paths_tasha_skus.xml
+++ b/configs/sdm660/mixer_paths_tasha_skus.xml
@@ -390,6 +390,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -604,6 +605,7 @@
         <ctl name="RX MIX TX1 MUX" value="RX_MIX_VBAT7" />
         <ctl name="SLIM_1_TX Channels" value="One" />
         <ctl name="VOC_EXT_EC MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="One"/>
    </path>
 
    <path name="echo-reference speaker-vbat">
@@ -615,18 +617,45 @@
         <ctl name="RX MIX TX2 MUX" value="RX_MIX_VBAT8" />
         <ctl name="SLIM_1_TX Channels" value="Two" />
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_tashalite.xml b/configs/sdm660/mixer_paths_tashalite.xml
index 6d0f5f5..b48c2ae 100644
--- a/configs/sdm660/mixer_paths_tashalite.xml
+++ b/configs/sdm660/mixer_paths_tashalite.xml
@@ -389,6 +389,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -606,6 +607,7 @@
         <ctl name="RX MIX TX1 MUX" value="RX_MIX_VBAT7" />
         <ctl name="SLIM_1_TX Channels" value="One" />
         <ctl name="VOC_EXT_EC MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="One"/>
    </path>
 
     <path name="echo-reference speaker-vbat-mono-2">
@@ -614,6 +616,7 @@
         <ctl name="RX MIX TX2 MUX" value="RX_MIX_VBAT8" />
         <ctl name="SLIM_1_TX Channels" value="One" />
         <ctl name="VOC_EXT_EC MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="One"/>
    </path>
 
    <path name="echo-reference speaker-vbat">
@@ -625,18 +628,45 @@
         <ctl name="RX MIX TX2 MUX" value="RX_MIX_VBAT8" />
         <ctl name="SLIM_1_TX Channels" value="Two" />
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_1_TX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="deep-buffer-playback">
diff --git a/configs/sdm660/mixer_paths_tavil.xml b/configs/sdm660/mixer_paths_tavil.xml
index 15e45c8..5a3b277 100644
--- a/configs/sdm660/mixer_paths_tavil.xml
+++ b/configs/sdm660/mixer_paths_tavil.xml
@@ -212,6 +212,7 @@
     <!-- HFP end -->
     <!-- echo reference -->
     <ctl name="AUDIO_REF_EC_UL1 MUX" value="None" />
+    <ctl name="EC Reference Channels" value="Zero"/>
     <!-- usb headset -->
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia1" value="0" />
     <ctl name="AFE_PCM_RX Audio Mixer MultiMedia2" value="0" />
@@ -563,13 +564,40 @@
 
     <path name="echo-reference">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="echo-reference headphones">
         <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference headset">
+         <path name="echo-reference headphones" />
     </path>
 
     <path name="echo-reference headphones-44.1">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_5_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headphones">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_6_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
+    </path>
+
+    <path name="echo-reference-voip headset">
+         <path name="echo-reference-voip headphones" />
+    </path>
+
+    <path name="echo-reference-voip headphones-44.1">
+        <ctl name="AUDIO_REF_EC_UL1 MUX" value="SLIM_5_RX" />
+        <ctl name="EC Reference Channels" value="Two"/>
     </path>
 
     <path name="deep-buffer-playback">