diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index 7b2deb7..854c7f3 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -76,6 +76,11 @@
                                     std::string connection = "") {
     AudioPortDeviceExt deviceExt;
     deviceExt.device.type.type = devType;
+    if (devType == AudioDeviceType::IN_MICROPHONE && connection.empty()) {
+        deviceExt.device.address = "bottom";
+    } else if (devType == AudioDeviceType::IN_MICROPHONE_BACK && connection.empty()) {
+        deviceExt.device.address = "back";
+    }
     deviceExt.device.type.connection = std::move(connection);
     deviceExt.flags = flags;
     return AudioPortExt::make<AudioPortExt::Tag::device>(deviceExt);
diff --git a/compatibility_matrices/compatibility_matrix.7.xml b/compatibility_matrices/compatibility_matrix.7.xml
index 26b8d63..5694945 100644
--- a/compatibility_matrices/compatibility_matrix.7.xml
+++ b/compatibility_matrices/compatibility_matrix.7.xml
@@ -7,7 +7,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.audio</name>
         <version>6.0</version>
         <version>7.0-1</version>
@@ -16,7 +16,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.audio.effect</name>
         <version>6.0</version>
         <version>7.0</version>
@@ -238,7 +238,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.gatekeeper</name>
         <version>1.0</version>
         <interface>
@@ -316,7 +316,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.graphics.mapper</name>
         <!-- New, non-Go devices should use 4.0, tested in vts_treble_vintf_vendor_test -->
         <version>2.1</version>
@@ -682,7 +682,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="false">
+    <hal format="hidl" optional="true">
         <name>android.hardware.thermal</name>
         <version>2.0</version>
         <interface>
diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index 7b340ce..5225f5f 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -692,7 +692,7 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="false">
+    <hal format="aidl" optional="true">
         <name>android.hardware.thermal</name>
         <version>1</version>
         <interface>
diff --git a/fastboot/aidl/default/Android.bp b/fastboot/aidl/default/Android.bp
index 0c96b33..cb38dcc 100644
--- a/fastboot/aidl/default/Android.bp
+++ b/fastboot/aidl/default/Android.bp
@@ -26,7 +26,7 @@
     name: "android.hardware.fastboot-service.example_recovery",
     init_rc: ["android.hardware.fastboot-service.example_recovery.rc"],
     vintf_fragments: ["android.hardware.fastboot-service.example.xml"],
-    recovery_available: true,
+    recovery: true,
     srcs: [
         "Fastboot.cpp",
         "main.cpp",
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
index d2eb389..1f87cf2 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/CoolingType.aidl
@@ -35,15 +35,15 @@
 /* @hide */
 @Backing(type="int") @VintfStability
 enum CoolingType {
-  FAN = 0,
-  BATTERY = 1,
-  CPU = 2,
-  GPU = 3,
-  MODEM = 4,
-  NPU = 5,
-  COMPONENT = 6,
-  TPU = 7,
-  POWER_AMPLIFIER = 8,
-  DISPLAY = 9,
-  SPEAKER = 10,
+  FAN,
+  BATTERY,
+  CPU,
+  GPU,
+  MODEM,
+  NPU,
+  COMPONENT,
+  TPU,
+  POWER_AMPLIFIER,
+  DISPLAY,
+  SPEAKER,
 }
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
index 0a9efdd..e9710a7 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/TemperatureType.aidl
@@ -35,7 +35,7 @@
 /* @hide */
 @Backing(type="int") @VintfStability
 enum TemperatureType {
-  UNKNOWN = -1,
+  UNKNOWN = (-1),
   CPU = 0,
   GPU = 1,
   BATTERY = 2,
diff --git a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/ThrottlingSeverity.aidl b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/ThrottlingSeverity.aidl
index 8fe3df6..183344d 100644
--- a/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/ThrottlingSeverity.aidl
+++ b/thermal/aidl/aidl_api/android.hardware.thermal/current/android/hardware/thermal/ThrottlingSeverity.aidl
@@ -36,10 +36,10 @@
 @Backing(type="int") @VintfStability
 enum ThrottlingSeverity {
   NONE = 0,
-  LIGHT = 1,
-  MODERATE = 2,
-  SEVERE = 3,
-  CRITICAL = 4,
-  EMERGENCY = 5,
-  SHUTDOWN = 6,
+  LIGHT,
+  MODERATE,
+  SEVERE,
+  CRITICAL,
+  EMERGENCY,
+  SHUTDOWN,
 }
diff --git a/thermal/aidl/android/hardware/thermal/IThermal.aidl b/thermal/aidl/android/hardware/thermal/IThermal.aidl
index dd87b3a..7c23c17 100644
--- a/thermal/aidl/android/hardware/thermal/IThermal.aidl
+++ b/thermal/aidl/android/hardware/thermal/IThermal.aidl
@@ -104,9 +104,9 @@
      *    they go offline, if these devices exist on boot. The method
      *    always returns and never removes such temperatures. The thresholds
      *    are returned as static values and must not change across calls. The actual
-     *    throttling state is determined in device thermal mitigation policy/agorithm
+     *    throttling state is determined in device thermal mitigation policy/algorithm
      *    which might not be simple thresholds so these values Thermal HAL provided
-     *    may not be accurate to detemin the throttling status. To get accurate
+     *    may not be accurate to determine the throttling status. To get accurate
      *    throttling status, use getTemperatures or registerThermalChangedCallback
      *    and listen to the callback.
      *
@@ -129,9 +129,9 @@
      *    they go offline, if these devices exist on boot. The method
      *    always returns and never removes such temperatures. The thresholds
      *    are returned as static values and must not change across calls. The actual
-     *    throttling state is determined in device thermal mitigation policy/agorithm
+     *    throttling state is determined in device thermal mitigation policy/algorithm
      *    which might not be simple thresholds so these values Thermal HAL provided
-     *    may not be accurate to detemin the throttling status. To get accurate
+     *    may not be accurate to determine the throttling status. To get accurate
      *    throttling status, use getTemperatures or registerThermalChangedCallback
      *    and listen to the callback.
      *
diff --git a/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl b/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
index 8065f76..0714c82 100644
--- a/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
+++ b/thermal/aidl/android/hardware/thermal/TemperatureThreshold.aidl
@@ -36,7 +36,7 @@
      * level defined in ThrottlingSeverity including shutdown. Throttling
      * happens when temperature >= threshold. If not available, set to NAN.
      * Unit is same as Temperature's value.
-     * The number of thresholds must be the same as ThrottlingSeverity#len.
+     * The array size must be the same as ThrottlingSeverity's enum cardinality.
      */
     float[] hotThrottlingThresholds;
     /**
@@ -44,7 +44,7 @@
      * level defined in ThrottlingSeverity including shutdown. Throttling
      * happens when temperature <= threshold. If not available, set to NAN.
      * Unit is same as Temperature's value.
-     * The number of theresholds must be the same as ThrottlingSeverity#len.
+     * The array size must be the same as ThrottlingSeverity's enum cardinality.
      */
     float[] coldThrottlingThresholds;
 }