diff --git a/audio/oriole/config/audio_policy_configuration.xml b/audio/oriole/config/audio_policy_configuration.xml
index 3dac849..188d533 100644
--- a/audio/oriole/config/audio_policy_configuration.xml
+++ b/audio/oriole/config/audio_policy_configuration.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -207,17 +208,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/oriole/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/oriole/config/audio_policy_configuration_a2dp_offload_disabled.xml
index b22a903..c3e64c0 100644
--- a/audio/oriole/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/oriole/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -186,17 +187,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/oriole/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/oriole/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index a5dafff..d0b1986 100644
--- a/audio/oriole/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/oriole/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -186,17 +187,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/raven/config/audio_policy_configuration.xml b/audio/raven/config/audio_policy_configuration.xml
index 3dac849..188d533 100644
--- a/audio/raven/config/audio_policy_configuration.xml
+++ b/audio/raven/config/audio_policy_configuration.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -207,17 +208,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/raven/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/raven/config/audio_policy_configuration_a2dp_offload_disabled.xml
index b22a903..c3e64c0 100644
--- a/audio/raven/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/raven/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -186,17 +187,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/raven/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/raven/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index a5dafff..d0b1986 100644
--- a/audio/raven/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/raven/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
                 <item>Echo Ref In</item>
@@ -186,17 +187,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
                 <route type="mix" sink="echo_ref_input" sources="Echo Ref In"/>
             </routes>
diff --git a/audio/slider/config/audio_policy_configuration.xml b/audio/slider/config/audio_policy_configuration.xml
index 8220e30..42db5e8 100644
--- a/audio/slider/config/audio_policy_configuration.xml
+++ b/audio/slider/config/audio_policy_configuration.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -199,17 +200,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>
diff --git a/audio/slider/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/slider/config/audio_policy_configuration_a2dp_offload_disabled.xml
index 8a9694f..daf5152 100644
--- a/audio/slider/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/slider/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -178,17 +179,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>
diff --git a/audio/slider/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/slider/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index 89b3da2..590b8f0 100644
--- a/audio/slider/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/slider/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -178,17 +179,17 @@
                        sources="primary output,deep buffer,haptic,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>
diff --git a/audio/whitefin/config/audio_policy_configuration.xml b/audio/whitefin/config/audio_policy_configuration.xml
index 7c5df64..af5ef8f 100644
--- a/audio/whitefin/config/audio_policy_configuration.xml
+++ b/audio/whitefin/config/audio_policy_configuration.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -173,17 +174,17 @@
                        sources="primary output,deep buffer,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>
diff --git a/audio/whitefin/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/whitefin/config/audio_policy_configuration_a2dp_offload_disabled.xml
index 604ac8f..67ed8ca 100644
--- a/audio/whitefin/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/whitefin/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -173,17 +174,17 @@
                        sources="primary output,deep buffer,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>
diff --git a/audio/whitefin/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/whitefin/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index bc02fe4..c69b318 100644
--- a/audio/whitefin/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/whitefin/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -20,6 +20,7 @@
                 <item>Speaker Safe</item>
                 <item>Earpiece</item>
                 <item>Built-In Mic</item>
+                <item>Built-In Back Mic</item>
                 <item>Telephony Tx</item>
                 <item>Voice Call And Telephony Rx</item>
             </attachedDevices>
@@ -173,17 +174,17 @@
                        sources="primary output,deep buffer,compressed_offload,voip_rx"/>
                 <route type="mix" sink="Telephony Tx" sources="incall playback,voice call tx" />
                 <route type="mix" sink="primary input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="hotword input"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="incall capture" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voice call rx" sources="Voice Call And Telephony Rx" />
                 <route type="mix" sink="voip_tx"
-                       sources="Built-In Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In,BT SCO Headset Mic"/>
                 <route type="mix" sink="fast input"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="mmap_no_irq_in"
-                       sources="Built-In Mic,USB Device In,USB Headset In"/>
+                       sources="Built-In Mic,Built-In Back Mic,USB Device In,USB Headset In"/>
                 <route type="mix" sink="hifi_input" sources="USB Device In,USB Headset In" />
             </routes>
         </module>