diff --git a/audio/oriole/config/mixer_paths.xml b/audio/oriole/config/mixer_paths.xml
index e7bb63e..cd1a40e 100644
--- a/audio/oriole/config/mixer_paths.xml
+++ b/audio/oriole/config/mixer_paths.xml
@@ -262,6 +262,11 @@
     <ctl name="Incall Capture Stream1" value="Off"/>
     <ctl name="Incall Capture Stream2" value="Off"/>
 
+    <!-- These two controls control the muting function of mics and sinks during the voice call. -->
+    <!-- They would be enabled by HAL. -->
+    <ctl name="Incall Sink Mute" value="0"/>
+    <ctl name="Incall Mic Mute" value="0"/>
+
     <!-- Decoder Reference Enable is controlled in aoc_control -->
     <ctl name="Decoder Reference Enable" value="0"/>
     <ctl name="LVM Enable" value="0"/>
diff --git a/audio/raven/config/mixer_paths.xml b/audio/raven/config/mixer_paths.xml
index d32e122..83d1faa 100644
--- a/audio/raven/config/mixer_paths.xml
+++ b/audio/raven/config/mixer_paths.xml
@@ -262,6 +262,11 @@
     <ctl name="Incall Capture Stream1" value="Off"/>
     <ctl name="Incall Capture Stream2" value="Off"/>
 
+    <!-- These two controls control the muting function of mics and sinks during the voice call. -->
+    <!-- They would be enabled by HAL. -->
+    <ctl name="Incall Sink Mute" value="0"/>
+    <ctl name="Incall Mic Mute" value="0"/>
+
     <!-- Decoder Reference Enable is controlled in aoc_control -->
     <ctl name="Decoder Reference Enable" value="0"/>
     <ctl name="LVM Enable" value="0"/>
diff --git a/audio/slider/config/mixer_paths.xml b/audio/slider/config/mixer_paths.xml
index 4b47887..e5ec1e4 100644
--- a/audio/slider/config/mixer_paths.xml
+++ b/audio/slider/config/mixer_paths.xml
@@ -232,6 +232,11 @@
     <ctl name="Incall Capture Stream1" value="Off"/>
     <ctl name="Incall Capture Stream2" value="Off"/>
 
+    <!-- These two controls control the muting function of mics and sinks during the voice call. -->
+    <!-- They would be enabled by HAL. -->
+    <ctl name="Incall Sink Mute" value="0"/>
+    <ctl name="Incall Mic Mute" value="0"/>
+
     <!-- Decoder Reference Enable is controlled in aoc_control -->
     <ctl name="Decoder Reference Enable" value="0"/>
     <ctl name="LVM Enable" value="0"/>
diff --git a/audio/whitefin/config/mixer_paths.xml b/audio/whitefin/config/mixer_paths.xml
index d17b895..d571924 100644
--- a/audio/whitefin/config/mixer_paths.xml
+++ b/audio/whitefin/config/mixer_paths.xml
@@ -263,6 +263,11 @@
     <ctl name="Incall Capture Stream1" value="Off"/>
     <ctl name="Incall Capture Stream2" value="Off"/>
 
+    <!-- These two controls control the muting function of mics and sinks during the voice call. -->
+    <!-- They would be enabled by HAL. -->
+    <ctl name="Incall Sink Mute" value="0"/>
+    <ctl name="Incall Mic Mute" value="0"/>
+
     <!-- Decoder Reference Enable is controlled in aoc_control -->
     <ctl name="Decoder Reference Enable" value="0"/>
     <ctl name="LVM Enable" value="0"/>