diff --git a/automotive/vehicle/aidl/aidl_test/Android.bp b/automotive/vehicle/aidl/aidl_test/Android.bp
index ea6a710..f517df8 100644
--- a/automotive/vehicle/aidl/aidl_test/Android.bp
+++ b/automotive/vehicle/aidl/aidl_test/Android.bp
@@ -40,7 +40,7 @@
 cc_test {
     name: "VehiclePropertyAnnotationCppTest",
     srcs: ["VehiclePropertyAnnotationCppTest.cpp"],
-    header_libs: ["IVehicleGeneratedHeaders"],
+    header_libs: ["IVehicleGeneratedHeaders-V3"],
     defaults: ["VehicleHalInterfaceDefaults"],
     test_suites: ["general-tests"],
 }
diff --git a/automotive/vehicle/aidl/emu_metadata/android.hardware.automotive.vehicle-types-meta.json b/automotive/vehicle/aidl/emu_metadata/android.hardware.automotive.vehicle-types-meta.json
index 0dea16b..de0e398 100644
--- a/automotive/vehicle/aidl/emu_metadata/android.hardware.automotive.vehicle-types-meta.json
+++ b/automotive/vehicle/aidl/emu_metadata/android.hardware.automotive.vehicle-types-meta.json
@@ -521,7 +521,7 @@
             {
                 "name": "PER_DISPLAY_BRIGHTNESS",
                 "value": 289475076,
-                "description": "Property to represent brightness of the displays which are controlled separately.\nSome cars have one or more displays whose brightness is controlled separately and this property is to inform the brightness of each passenger display. In cars where all displays' brightness is controlled together, they must use DISPLAY_BRIGHTNESS.\nOnly one of DISPLAY_BRIGHTNESS and PER_DISPLAY_BRIGHTNESS should be implemented. If both are available, PER_DISPLAY_BRIGHTNESS is used by AAOS.\nThe display port uniquely identifies a physical connector on the device for display output, ranging from 0 to 255.\nWriting this property must cause an on property change event that contains the same [display port, brightness] tuple even if the new display brightness is the same as the current value.\nTo get the display brightness for a specific display port, the GetValueRequest must contain a VehiclePropValue, which contains one int32Value: displayPort. Getting this property without specifying the the display port is undefined behavior.\nint32Values[0] : display port int32Values[1] : brightness"
+                "description": "Property to represent brightness of the displays which are controlled separately.\nSome cars have one or more displays whose brightness is controlled separately and this property is to inform the brightness of each passenger display. In cars where all displays' brightness is controlled together, they must use DISPLAY_BRIGHTNESS.\nOnly one of DISPLAY_BRIGHTNESS and PER_DISPLAY_BRIGHTNESS should be implemented. If both are available, PER_DISPLAY_BRIGHTNESS is used by AAOS.\nIf this is supported, PER_DISPLAY_MAX_BRIGHTNESS must be supported to represent the max display brightness for each display. Otherwise, the max display brightness is by default 1. The VehicleAreaConfig.maxInt32Value must not be used to represent max display brightness, because maxInt32Value is defined to be the max value for all the elements inside the integer value, which includes display port and brightness. So it is not meaningful.\nThe display port uniquely identifies a physical connector on the device for display output, ranging from 0 to 255.\nWriting this property must cause an on property change event that contains the same [display port, brightness] tuple even if the new display brightness is the same as the current value.\nTo get the display brightness for a specific display port, the GetValueRequest must contain a VehiclePropValue, which contains one int32Value: displayPort. Getting this property without specifying the the display port is undefined behavior.\nint32Values[0] : display port int32Values[1] : brightness"
             },
             {
                 "name": "Valet mode enabled",
@@ -1364,6 +1364,11 @@
                 "description": "Reports current state of CarEvsService types.\nInforms other components of current state of each CarEvsService service type with values defined in CameraServiceState. CarEvsService will update this property whenever a service type transitions into a new state.\nint32[0]: Current state of REARVIEW service type. int32[1]: Current state of SURROUNDVIEW service type. int32[2]: Current state of FRONTVIEW service type. int32[3]: Current state of LEFTVIEW service type. int32[4]: Current state of RIGHTVIEW service type. int32[5]: Current state of DRIVERVIEW service type. int32[6]: Current state of FRONT_PASSENGERVIEW service type. int32[7]: Current state of REAR_PASSENGERVIEW service type."
             },
             {
+                "name": "PER_DISPLAY_MAX_BRIGHTNESS",
+                "value": 289476430,
+                "description": "Property to represent max brightness of the displays which are controlled separately.\nThis is only used if PER_DISPLAY_BRIGHTNESS is supported.\nThe display port uniquely identifies a physical connector on the device for display output, ranging from 0 to 255.\nint32Values[0] : display port number int32Values[1] : max brightness for display port number specified at int32Values[0] int32Values[2] : display port number int32Values[3] : max brightness for display port number specified at int32Values[2] ..."
+            },
+            {
                 "name": "AUTOMATIC_EMERGENCY_BRAKING_ENABLED",
                 "value": 287313920,
                 "description": "Enable or disable Automatic Emergency Braking (AEB).\nSet true to enable AEB and false to disable AEB. When AEB is enabled, the ADAS system in the vehicle should be turned on and monitoring to avoid potential collisions. This property should apply for higher speed applications only. For enabling low speed automatic emergency braking, LOW_SPEED_AUTOMATIC_EMERGENCY_BRAKING_ENABLED should be used.\nIn general, AUTOMATIC_EMERGENCY_BRAKING_ENABLED should always return true or false. If the feature is not available due to some temporary state, such as the vehicle speed being too low, that information must be conveyed through the ErrorState values in the AUTOMATIC_EMERGENCY_BRAKING_STATE property.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
diff --git a/automotive/vehicle/aidl/generated_lib/4/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/4/cpp/AccessForVehicleProperty.h
index 51a3025..6d07fe5 100644
--- a/automotive/vehicle/aidl/generated_lib/4/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/4/cpp/AccessForVehicleProperty.h
@@ -263,6 +263,7 @@
         {VehicleProperty::CLUSTER_HEARTBEAT, VehiclePropertyAccess::WRITE},
         {VehicleProperty::VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL, VehiclePropertyAccess::READ},
         {VehicleProperty::CAMERA_SERVICE_CURRENT_STATE, VehiclePropertyAccess::WRITE},
+        {VehicleProperty::PER_DISPLAY_MAX_BRIGHTNESS, VehiclePropertyAccess::READ},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
diff --git a/automotive/vehicle/aidl/generated_lib/4/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/4/cpp/ChangeModeForVehicleProperty.h
index 60e9a72..5ecee95 100644
--- a/automotive/vehicle/aidl/generated_lib/4/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/4/cpp/ChangeModeForVehicleProperty.h
@@ -263,6 +263,7 @@
         {VehicleProperty::CLUSTER_HEARTBEAT, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::CAMERA_SERVICE_CURRENT_STATE, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::PER_DISPLAY_MAX_BRIGHTNESS, VehiclePropertyChangeMode::STATIC},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
diff --git a/automotive/vehicle/aidl/generated_lib/4/cpp/VersionForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/4/cpp/VersionForVehicleProperty.h
index 0e80bd8..8b9c1bd 100644
--- a/automotive/vehicle/aidl/generated_lib/4/cpp/VersionForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/4/cpp/VersionForVehicleProperty.h
@@ -262,6 +262,7 @@
         {VehicleProperty::CLUSTER_HEARTBEAT, 3},
         {VehicleProperty::VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL, 3},
         {VehicleProperty::CAMERA_SERVICE_CURRENT_STATE, 3},
+        {VehicleProperty::PER_DISPLAY_MAX_BRIGHTNESS, 3},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_ENABLED, 2},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, 2},
         {VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED, 2},
diff --git a/automotive/vehicle/aidl/generated_lib/4/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/4/java/AccessForVehicleProperty.java
index afb6cab..e9f35a5 100644
--- a/automotive/vehicle/aidl/generated_lib/4/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/4/java/AccessForVehicleProperty.java
@@ -256,6 +256,7 @@
         Map.entry(VehicleProperty.CLUSTER_HEARTBEAT, VehiclePropertyAccess.WRITE),
         Map.entry(VehicleProperty.VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.CAMERA_SERVICE_CURRENT_STATE, VehiclePropertyAccess.WRITE),
+        Map.entry(VehicleProperty.PER_DISPLAY_MAX_BRIGHTNESS, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
diff --git a/automotive/vehicle/aidl/generated_lib/4/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/4/java/ChangeModeForVehicleProperty.java
index 12aff40..3fb52b7 100644
--- a/automotive/vehicle/aidl/generated_lib/4/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/4/java/ChangeModeForVehicleProperty.java
@@ -256,6 +256,7 @@
         Map.entry(VehicleProperty.CLUSTER_HEARTBEAT, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.CAMERA_SERVICE_CURRENT_STATE, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.PER_DISPLAY_MAX_BRIGHTNESS, VehiclePropertyChangeMode.STATIC),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
diff --git a/automotive/vehicle/aidl_property/Android.bp b/automotive/vehicle/aidl_property/Android.bp
index 2aaf6b6..b8a978b 100644
--- a/automotive/vehicle/aidl_property/Android.bp
+++ b/automotive/vehicle/aidl_property/Android.bp
@@ -28,7 +28,7 @@
         // This HAL was originally part of android.hardware.automotive.vehicle
         "android/hardware/automotive/vehicle/*.aidl",
     ],
-    frozen: true,
+    frozen: false,
     stability: "vintf",
     backend: {
         cpp: {
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index be8d3ac..4c5dad2 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -262,6 +262,7 @@
   CLUSTER_HEARTBEAT = (((0x0F4B + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.MIXED) /* 299896651 */,
   VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL = (((0x0F4C + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289410892 */,
   CAMERA_SERVICE_CURRENT_STATE = (((0x0F4D + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32_VEC) /* 289476429 */,
+  PER_DISPLAY_MAX_BRIGHTNESS = (((0x0F4E + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32_VEC) /* 289476430 */,
   AUTOMATIC_EMERGENCY_BRAKING_ENABLED = (((0x1000 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313920 */,
   AUTOMATIC_EMERGENCY_BRAKING_STATE = (((0x1001 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289411073 */,
   FORWARD_COLLISION_WARNING_ENABLED = (((0x1002 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 287313922 */,
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
index 540c663..1421f89 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Automatic Emergency Braking (AEB).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/BlindSpotWarningState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/BlindSpotWarningState.aidl
index 3f567c0..3c85f29 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/BlindSpotWarningState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/BlindSpotWarningState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Blind Spot Warning State (BSW).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CrossTrafficMonitoringWarningState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CrossTrafficMonitoringWarningState.aidl
index 05be65d..85428b1 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CrossTrafficMonitoringWarningState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CrossTrafficMonitoringWarningState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Cross Traffic Monitoring Warning system.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlCommand.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlCommand.aidl
index 18e1405..ab745ce 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlCommand.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlCommand.aidl
@@ -20,6 +20,9 @@
  * Used to enumerate the Cruise Control (CC) commands.
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlState.aidl
index 0e55e00..b410e41 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlState.aidl
@@ -20,6 +20,9 @@
  * Used to enumerate the current state of Cruise Control (CC).
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlType.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlType.aidl
index 2367b82..ebae16d 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlType.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/CruiseControlType.aidl
@@ -20,6 +20,9 @@
  * Used to enumerate the current type of Cruise Control (CC).
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionState.aidl
index f350a6c..d03431d 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionState.aidl
@@ -20,6 +20,9 @@
  * Used to enumerate the current state of driver distraction monitoring.
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionWarning.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionWarning.aidl
index a4b1984..e145be2 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionWarning.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDistractionWarning.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current warning state of the driver distraction monitoring system.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
index d2aec1f..f94479b 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionState.aidl
@@ -20,6 +20,9 @@
  * Used to enumerate the current state of driver drowsiness and attention monitoring.
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionWarning.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionWarning.aidl
index 53b66b9..efa12a4 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionWarning.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/DriverDrowsinessAttentionWarning.aidl
@@ -19,6 +19,9 @@
 /**
  * Used to enumerate the current warning state of the driver drowsiness and attention monitoring
  * system.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicStabilityControlState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicStabilityControlState.aidl
index 006bbf2..bc9148a 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicStabilityControlState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicStabilityControlState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Electronic Stability Control (ESC).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardStatus.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardStatus.aidl
index 94209ba..ce4def1 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardStatus.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardStatus.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used by ELECTRONIC_TOLL_COLLECTION_CARD_STATUS.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardType.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardType.aidl
index 46c5f48..0be981c 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardType.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ElectronicTollCollectionCardType.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used by ELECTRONIC_TOLL_COLLECTION_CARD_TYPE.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.aidl
index 302b9af..bbc8d3b 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EmergencyLaneKeepAssistState.aidl
@@ -20,6 +20,9 @@
  * Used by emergency lane keep assist to enumerate state.
  *
  * This enum could be extended in future releases to include additional feature states.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl
index ba44672..5b13ec9 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl
@@ -19,6 +19,9 @@
 /**
  * Used to enumerate the possible error states. For version 2 of this interface, ErrorState is used
  * by ADAS STATE properties, but its use may be expanded in future releases.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvChargeState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvChargeState.aidl
index e095fc4..ec533e1 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvChargeState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvChargeState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used by EV charging properties to enumerate the current state of the battery charging.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvRegenerativeBrakingState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvRegenerativeBrakingState.aidl
index 4382287..15372f7 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvRegenerativeBrakingState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvRegenerativeBrakingState.aidl
@@ -19,6 +19,9 @@
 /**
  * Used by the regenerative braking property to enumerate the current state
  * of the regenerative braking.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvStoppingMode.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvStoppingMode.aidl
index 8c5ac46..c82b8a8 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvStoppingMode.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/EvStoppingMode.aidl
@@ -20,6 +20,9 @@
  * Used by EV_STOPPING_MODE to enumerate the current state of the stopping mode.
  *
  * This enum may be extended to include more states in the future.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ForwardCollisionWarningState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ForwardCollisionWarningState.aidl
index b20cf25..69dce89 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ForwardCollisionWarningState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ForwardCollisionWarningState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Forward Collision Warning State (FCW).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionDriverState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionDriverState.aidl
index 4a36999..c9f9322 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionDriverState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionDriverState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current driver state of Hands On Detection (HOD).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionWarning.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionWarning.aidl
index c1a58ce..dd6a78f 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionWarning.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/HandsOnDetectionWarning.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current warning state of Hands On Detection (HOD).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ImpactSensorLocation.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ImpactSensorLocation.aidl
index 0fc1a50..b0a6a60 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ImpactSensorLocation.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ImpactSensorLocation.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the various impact sensor locations on the car.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistCommand.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistCommand.aidl
index d8b0e65..bf8a6df 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistCommand.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistCommand.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used by Lane Centering Assist (LCA) to enumerate commands.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistState.aidl
index 340a669..eb8e9c8 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneCenteringAssistState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Lane Centering Assist (LCA).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneDepartureWarningState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneDepartureWarningState.aidl
index c12c5765..21eeaa5 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneDepartureWarningState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneDepartureWarningState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Lane Departure Warning (LDW).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneKeepAssistState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneKeepAssistState.aidl
index c1c15a0..8c77086 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneKeepAssistState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LaneKeepAssistState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Lane Keep Assist (LKA).
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
index 978da25..c2cb51a 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedAutomaticEmergencyBrakingState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Low Speed Automatic Emergency Braking.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedCollisionWarningState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedCollisionWarningState.aidl
index 028a2d9..fd410d8 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedCollisionWarningState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LowSpeedCollisionWarningState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the state of Low Speed Collision Warning State.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/TrailerState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/TrailerState.aidl
index ef65374..d31fb25 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/TrailerState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/TrailerState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current state of VehicleProperty#TRAILER_PRESENT.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAirbagLocation.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAirbagLocation.aidl
index e4c43f7..a029ed8 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAirbagLocation.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAirbagLocation.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the various airbag locations per seat.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAutonomousState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAutonomousState.aidl
index 3860e7f..4a48e97 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAutonomousState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleAutonomousState.aidl
@@ -19,6 +19,9 @@
 /**
  * Used to enumerate the various level of automation that can be expressed by the
  * VEHICLE_DRIVING_AUTOMATION_CURRENT_LEVEL property.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleGear.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleGear.aidl
index 40e492e..2fd94c7 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleGear.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleGear.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Various gears which can be selected by user and chosen in system.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleHvacFanDirection.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleHvacFanDirection.aidl
index f5b77de..dc1379d 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleHvacFanDirection.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleHvacFanDirection.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Bit flags for fan direction
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleIgnitionState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleIgnitionState.aidl
index 2338008..bcdc3eb 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleIgnitionState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleIgnitionState.aidl
@@ -16,6 +16,12 @@
 
 package android.hardware.automotive.vehicle;
 
+/**
+ * Used to enumerate the different states the ignition of the vehicle can be in.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
+ */
 @VintfStability
 @Backing(type="int")
 enum VehicleIgnitionState {
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightState.aidl
index ede20b7..e7ed13c 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightState.aidl
@@ -21,6 +21,9 @@
  *
  * Most XXX_LIGHTS_STATE properties will only report ON and OFF states.  Only
  * the HEADLIGHTS_STATE property will report DAYTIME_RUNNING.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightSwitch.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightSwitch.aidl
index 247e731..d147404 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightSwitch.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleLightSwitch.aidl
@@ -22,6 +22,9 @@
  * XXX_LIGHTS_SWITCH properties report the switch settings that the user
  * selects.  The switch setting may be decoupled from the state reported if the
  * user selects AUTOMATIC.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleOilLevel.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleOilLevel.aidl
index 3c722ba..acc4201 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleOilLevel.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleOilLevel.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current level of VehicleProperty#ENGINE_OIL_LEVEL.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index e54c179..0863adf 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -1757,6 +1757,12 @@
      * implemented. If both are available, PER_DISPLAY_BRIGHTNESS is used by
      * AAOS.
      *
+     * If this is supported, PER_DISPLAY_MAX_BRIGHTNESS must be supported to represent the max
+     * display brightness for each display. Otherwise, the max display brightness is by default 1.
+     * The VehicleAreaConfig.maxInt32Value must not be used to represent max display brightness,
+     * because maxInt32Value is defined to be the max value for all the elements inside the integer
+     * value, which includes display port and brightness. So it is not meaningful.
+     *
      * The display port uniquely identifies a physical connector on the device
      * for display output, ranging from 0 to 255.
      *
@@ -5214,6 +5220,27 @@
     CAMERA_SERVICE_CURRENT_STATE = 0x0F4D + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL
             + VehiclePropertyType.INT32_VEC,
 
+    /**
+     * Property to represent max brightness of the displays which are controlled separately.
+     *
+     * This is only used if PER_DISPLAY_BRIGHTNESS is supported.
+     *
+     * The display port uniquely identifies a physical connector on the device
+     * for display output, ranging from 0 to 255.
+     *
+     * int32Values[0] : display port number
+     * int32Values[1] : max brightness for display port number specified at int32Values[0]
+     * int32Values[2] : display port number
+     * int32Values[3] : max brightness for display port number specified at int32Values[2]
+     * ...
+     *
+     * @change_mode VehiclePropertyChangeMode.STATIC
+     * @access VehiclePropertyAccess.READ
+     * @version 3
+     */
+    PER_DISPLAY_MAX_BRIGHTNESS = 0x0F4E + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL
+            + VehiclePropertyType.INT32_VEC,
+
     /***********************************************************************************************
      * Start of ADAS Properties
      *
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleSeatOccupancyState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleSeatOccupancyState.aidl
index 3a08a51..266d3f9 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleSeatOccupancyState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleSeatOccupancyState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used by seat occupancy to enumerate the current occupancy state of the seat.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersState.aidl
index 820fcc8..953a80d 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersState.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersState.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current state of VehicleProperty#WINDSHIELD_WIPERS_STATE.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersSwitch.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersSwitch.aidl
index 911d7eb..4ef16b5 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersSwitch.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/WindshieldWipersSwitch.aidl
@@ -18,6 +18,9 @@
 
 /**
  * Used to enumerate the current position of VehicleProperty#WINDSHIELD_WIPERS_SWITCH.
+ *
+ * Through the use of VehicleAreaConfig#supportedEnumValues, OEMs may specify they only support a
+ * subset of the enums that are defined here.
  */
 @VintfStability
 @Backing(type="int")
diff --git a/compatibility_matrices/compatibility_matrix.202504.xml b/compatibility_matrices/compatibility_matrix.202504.xml
index 1f51d07..0e714a4 100644
--- a/compatibility_matrices/compatibility_matrix.202504.xml
+++ b/compatibility_matrices/compatibility_matrix.202504.xml
@@ -84,7 +84,7 @@
     </hal>
     <hal format="aidl">
         <name>android.hardware.automotive.vehicle</name>
-        <version>1-3</version>
+        <version>1-4</version>
         <interface>
             <name>IVehicle</name>
             <instance>default</instance>
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index 3c49a82..527b5e0 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -2059,7 +2059,7 @@
         extra_tags.Authorization(TAG_ATTESTATION_ID_IMEI, imei.data(), imei.size());
     }
     string second_imei = get_imei(1);
-    if (!second_imei.empty()) {
+    if (!second_imei.empty() && isSecondImeiIdAttestationRequired()) {
         extra_tags.Authorization(TAG_ATTESTATION_ID_SECOND_IMEI, second_imei.data(),
                                  second_imei.size());
     }
@@ -2135,7 +2135,7 @@
         extra_tags.Authorization(TAG_ATTESTATION_ID_IMEI, imei.data(), imei.size());
     }
     string second_imei = get_imei(1);
-    if (!second_imei.empty()) {
+    if (!second_imei.empty() && isSecondImeiIdAttestationRequired()) {
         extra_tags.Authorization(TAG_ATTESTATION_ID_SECOND_IMEI, second_imei.data(),
                                  second_imei.size());
     }
diff --git a/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h b/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
index becc93c..51879b2 100644
--- a/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
+++ b/sensors/common/vts/2_X/VtsHalSensorsV2_XTargetTest.h
@@ -603,42 +603,55 @@
     EventCallback callback;
     getEnvironment()->registerCallback(&callback);
 
-    for (const SensorInfoType& sensor : sensors) {
-        // Configure and activate the sensor
-        batch(sensor.sensorHandle, sensor.maxDelay, 0 /* maxReportLatencyNs */);
-        activate(sensor.sensorHandle, activateSensor);
+    // 10 sensors per group
+    constexpr size_t kSensorsPerGroup = 10;
+    for (size_t sensorOffset = 0; sensorOffset < sensors.size();
+         sensorOffset += kSensorsPerGroup) {
+        std::vector<SensorInfoType> sensorGroup(
+            sensors.begin() + sensorOffset,
+            sensors.begin() +
+                std::min(sensorOffset + kSensorsPerGroup, sensors.size()));
 
-        // Flush the sensor
-        for (int32_t i = 0; i < flushCalls; i++) {
+        for (const SensorInfoType& sensor : sensorGroup) {
+            // Configure and activate the sensor
+            batch(sensor.sensorHandle, sensor.maxDelay, 0 /* maxReportLatencyNs */);
+            activate(sensor.sensorHandle, activateSensor);
+
+            // Flush the sensor
+            for (int32_t i = 0; i < flushCalls; i++) {
+                SCOPED_TRACE(::testing::Message()
+                             << "Flush " << i << "/" << flushCalls << ": "
+                             << " handle=0x" << std::hex << std::setw(8) << std::setfill('0')
+                             << sensor.sensorHandle << std::dec
+                             << " type=" << static_cast<int>(sensor.type)
+                             << " name=" << sensor.name);
+
+                Result flushResult = flush(sensor.sensorHandle);
+                EXPECT_EQ(flushResult, expectedResponse);
+            }
+        }
+
+        // Wait up to one second for the flush events
+        callback.waitForFlushEvents(sensorGroup, flushCalls,
+                                    std::chrono::milliseconds(1000) /* timeout */);
+
+        // Deactivate all sensors after waiting for flush events so pending flush events are not
+        // abandoned by the HAL.
+        for (const SensorInfoType& sensor : sensorGroup) {
+            activate(sensor.sensorHandle, false);
+        }
+
+        // Check that the correct number of flushes are present for each sensor
+        for (const SensorInfoType& sensor : sensorGroup) {
             SCOPED_TRACE(::testing::Message()
-                         << "Flush " << i << "/" << flushCalls << ": "
                          << " handle=0x" << std::hex << std::setw(8) << std::setfill('0')
                          << sensor.sensorHandle << std::dec
-                         << " type=" << static_cast<int>(sensor.type) << " name=" << sensor.name);
-
-            Result flushResult = flush(sensor.sensorHandle);
-            EXPECT_EQ(flushResult, expectedResponse);
+                         << " type=" << static_cast<int>(sensor.type)
+                         << " name=" << sensor.name);
+            ASSERT_EQ(callback.getFlushCount(sensor.sensorHandle), expectedFlushCount);
         }
     }
-
-    // Wait up to one second for the flush events
-    callback.waitForFlushEvents(sensors, flushCalls, std::chrono::milliseconds(1000) /* timeout */);
-
-    // Deactivate all sensors after waiting for flush events so pending flush events are not
-    // abandoned by the HAL.
-    for (const SensorInfoType& sensor : sensors) {
-        activate(sensor.sensorHandle, false);
-    }
     getEnvironment()->unregisterCallback();
-
-    // Check that the correct number of flushes are present for each sensor
-    for (const SensorInfoType& sensor : sensors) {
-        SCOPED_TRACE(::testing::Message()
-                     << " handle=0x" << std::hex << std::setw(8) << std::setfill('0')
-                     << sensor.sensorHandle << std::dec << " type=" << static_cast<int>(sensor.type)
-                     << " name=" << sensor.name);
-        ASSERT_EQ(callback.getFlushCount(sensor.sensorHandle), expectedFlushCount);
-    }
 }
 
 TEST_P(SensorsHidlTest, FlushSensor) {