diff --git a/Android.bp b/Android.bp
index 68115aa..baf3291 100644
--- a/Android.bp
+++ b/Android.bp
@@ -86,9 +86,3 @@
         "VtsHalHidlTargetTestBase",
     ],
 }
-
-dirgroup {
-    name: "trusty_dirgroup_hardware_interfaces",
-    dirs: ["."],
-    visibility: ["//trusty/vendor/google/aosp/scripts"],
-}
diff --git a/audio/aidl/Android.bp b/audio/aidl/Android.bp
index 1e6df46..0f2fe99 100644
--- a/audio/aidl/Android.bp
+++ b/audio/aidl/Android.bp
@@ -228,6 +228,13 @@
     ],
 }
 
+rust_defaults {
+    name: "latest_android_hardware_audio_core_rust",
+    rustlibs: [
+        latest_android_hardware_audio_core + "-rust",
+    ],
+}
+
 // Used for the standalone sounddose HAL
 aidl_interface {
     name: "android.hardware.audio.core.sounddose",
diff --git a/audio/aidl/android/hardware/audio/core/stream-out-async-sm.gv b/audio/aidl/android/hardware/audio/core/stream-out-async-sm.gv
index 56b7926..e2da90d 100644
--- a/audio/aidl/android/hardware/audio/core/stream-out-async-sm.gv
+++ b/audio/aidl/android/hardware/audio/core/stream-out-async-sm.gv
@@ -45,6 +45,8 @@
     PAUSED -> ACTIVE [label="start"];                 // consumer -> active
     PAUSED -> IDLE [label="flush"];                   // producer -> passive, buffer is cleared
     DRAINING -> IDLE [label="←IStreamCallback.onDrainReady"];
+    DRAINING -> DRAINING [label="←IStreamCallback.onDrainReady"];  // allowed for `DRAIN_EARLY_NOTIFY`
+    DRAINING -> IDLE [label="<empty buffer>"];        // allowed for `DRAIN_EARLY_NOTIFY`
     DRAINING -> TRANSFERRING [label="burst"];         // producer -> active
     DRAINING -> ACTIVE [label="burst"];               // full write
     DRAINING -> DRAIN_PAUSED [label="pause"];         // consumer -> passive (not consuming)
diff --git a/audio/aidl/default/Android.bp b/audio/aidl/default/Android.bp
index 73d7626..967d0b9 100644
--- a/audio/aidl/default/Android.bp
+++ b/audio/aidl/default/Android.bp
@@ -200,6 +200,47 @@
     test_suites: ["general-tests"],
 }
 
+cc_test {
+    name: "audio_alsa_utils_tests",
+    vendor_available: true,
+    defaults: [
+        "latest_android_media_audio_common_types_ndk_static",
+        "latest_android_hardware_audio_core_ndk_static",
+    ],
+    static_libs: [
+        "libalsautilsv2",
+        "libtinyalsav2",
+    ],
+    shared_libs: [
+        "libaudio_aidl_conversion_common_ndk",
+        "libaudioaidlcommon",
+        "libaudioutils",
+        "libbase",
+        "libbinder_ndk",
+        "libcutils",
+        "libfmq",
+        "libmedia_helper",
+        "libstagefright_foundation",
+        "libutils",
+    ],
+    header_libs: [
+        "libaudio_system_headers",
+        "libaudioaidl_headers",
+    ],
+    srcs: [
+        "alsa/Utils.cpp",
+        "tests/AlsaUtilsTest.cpp",
+    ],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-Wthread-safety",
+        "-DBACKEND_NDK",
+    ],
+    test_suites: ["general-tests"],
+}
+
 cc_defaults {
     name: "aidlaudioeffectservice_defaults",
     defaults: [
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index 51b6085..e96cf81 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -207,9 +207,9 @@
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
     }
     const auto& flags = portConfigIt->flags.value();
-    StreamContext::DebugParameters params{mDebug.streamTransientStateDelayMs,
-                                          mVendorDebug.forceTransientBurst,
-                                          mVendorDebug.forceSynchronousDrain};
+    StreamContext::DebugParameters params{
+            mDebug.streamTransientStateDelayMs, mVendorDebug.forceTransientBurst,
+            mVendorDebug.forceSynchronousDrain, mVendorDebug.forceDrainToDraining};
     std::unique_ptr<StreamContext::DataMQ> dataMQ = nullptr;
     std::shared_ptr<IStreamCallback> streamAsyncCallback = nullptr;
     std::shared_ptr<ISoundDose> soundDose;
@@ -1524,6 +1524,7 @@
 
 const std::string Module::VendorDebug::kForceTransientBurstName = "aosp.forceTransientBurst";
 const std::string Module::VendorDebug::kForceSynchronousDrainName = "aosp.forceSynchronousDrain";
+const std::string Module::VendorDebug::kForceDrainToDrainingName = "aosp.forceDrainToDraining";
 
 ndk::ScopedAStatus Module::getVendorParameters(const std::vector<std::string>& in_ids,
                                                std::vector<VendorParameter>* _aidl_return) {
@@ -1538,6 +1539,10 @@
             VendorParameter forceSynchronousDrain{.id = id};
             forceSynchronousDrain.ext.setParcelable(Boolean{mVendorDebug.forceSynchronousDrain});
             _aidl_return->push_back(std::move(forceSynchronousDrain));
+        } else if (id == VendorDebug::kForceDrainToDrainingName) {
+            VendorParameter forceDrainToDraining{.id = id};
+            forceDrainToDraining.ext.setParcelable(Boolean{mVendorDebug.forceDrainToDraining});
+            _aidl_return->push_back(std::move(forceDrainToDraining));
         } else {
             allParametersKnown = false;
             LOG(VERBOSE) << __func__ << ": " << mType << ": unrecognized parameter \"" << id << "\"";
@@ -1578,6 +1583,10 @@
             if (!extractParameter<Boolean>(p, &mVendorDebug.forceSynchronousDrain)) {
                 return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
             }
+        } else if (p.id == VendorDebug::kForceDrainToDrainingName) {
+            if (!extractParameter<Boolean>(p, &mVendorDebug.forceDrainToDraining)) {
+                return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+            }
         } else {
             allParametersKnown = false;
             LOG(VERBOSE) << __func__ << ": " << mType << ": unrecognized parameter \"" << p.id
diff --git a/audio/aidl/default/Stream.cpp b/audio/aidl/default/Stream.cpp
index 3d7f30c..4525f6a 100644
--- a/audio/aidl/default/Stream.cpp
+++ b/audio/aidl/default/Stream.cpp
@@ -382,8 +382,20 @@
 const std::string StreamOutWorkerLogic::kThreadName = "writer";
 
 StreamOutWorkerLogic::Status StreamOutWorkerLogic::cycle() {
-    if (mState == StreamDescriptor::State::DRAINING ||
-        mState == StreamDescriptor::State::TRANSFERRING) {
+    if (mState == StreamDescriptor::State::DRAINING && mContext->getForceDrainToDraining() &&
+        mOnDrainReadyStatus == OnDrainReadyStatus::UNSENT) {
+        std::shared_ptr<IStreamCallback> asyncCallback = mContext->getAsyncCallback();
+        if (asyncCallback != nullptr) {
+            ndk::ScopedAStatus status = asyncCallback->onDrainReady();
+            if (!status.isOk()) {
+                LOG(ERROR) << __func__ << ": error from onDrainReady: " << status;
+            }
+            // This sets the timeout for moving into IDLE on next iterations.
+            switchToTransientState(StreamDescriptor::State::DRAINING);
+            mOnDrainReadyStatus = OnDrainReadyStatus::SENT;
+        }
+    } else if (mState == StreamDescriptor::State::DRAINING ||
+               mState == StreamDescriptor::State::TRANSFERRING) {
         if (auto stateDurationMs = std::chrono::duration_cast<std::chrono::milliseconds>(
                     std::chrono::steady_clock::now() - mTransientStateStart);
             stateDurationMs >= mTransientStateDelayMs) {
@@ -396,9 +408,12 @@
                 // drain or transfer completion. In the stub, we switch unconditionally.
                 if (mState == StreamDescriptor::State::DRAINING) {
                     mState = StreamDescriptor::State::IDLE;
-                    ndk::ScopedAStatus status = asyncCallback->onDrainReady();
-                    if (!status.isOk()) {
-                        LOG(ERROR) << __func__ << ": error from onDrainReady: " << status;
+                    if (mOnDrainReadyStatus != OnDrainReadyStatus::SENT) {
+                        ndk::ScopedAStatus status = asyncCallback->onDrainReady();
+                        if (!status.isOk()) {
+                            LOG(ERROR) << __func__ << ": error from onDrainReady: " << status;
+                        }
+                        mOnDrainReadyStatus = OnDrainReadyStatus::SENT;
                     }
                 } else {
                     mState = StreamDescriptor::State::ACTIVE;
@@ -537,6 +552,10 @@
                             mState = StreamDescriptor::State::IDLE;
                         } else {
                             switchToTransientState(StreamDescriptor::State::DRAINING);
+                            mOnDrainReadyStatus =
+                                    mode == StreamDescriptor::DrainMode::DRAIN_EARLY_NOTIFY
+                                            ? OnDrainReadyStatus::UNSENT
+                                            : OnDrainReadyStatus::IGNORE;
                         }
                     } else {
                         LOG(ERROR) << __func__ << ": drain failed: " << status;
diff --git a/audio/aidl/default/alsa/Utils.cpp b/audio/aidl/default/alsa/Utils.cpp
index 10374f2..77e4f65 100644
--- a/audio/aidl/default/alsa/Utils.cpp
+++ b/audio/aidl/default/alsa/Utils.cpp
@@ -39,6 +39,8 @@
 
 namespace aidl::android::hardware::audio::core::alsa {
 
+const float kUnityGainFloat = 1.0f;
+
 DeviceProxy::DeviceProxy() : mProfile(nullptr), mProxy(nullptr, alsaProxyDeleter) {}
 
 DeviceProxy::DeviceProxy(const DeviceProfile& deviceProfile)
@@ -140,7 +142,6 @@
 
 const AudioFormatDescToPcmFormatMap& getAudioFormatDescriptorToPcmFormatMap() {
     static const AudioFormatDescToPcmFormatMap formatDescToPcmFormatMap = {
-            {make_AudioFormatDescription(PcmType::UINT_8_BIT), PCM_FORMAT_S8},
             {make_AudioFormatDescription(PcmType::INT_16_BIT), PCM_FORMAT_S16_LE},
             {make_AudioFormatDescription(PcmType::FIXED_Q_8_24), PCM_FORMAT_S24_LE},
             {make_AudioFormatDescription(PcmType::INT_24_BIT), PCM_FORMAT_S24_3LE},
@@ -165,6 +166,92 @@
     return pcmFormatToFormatDescMap;
 }
 
+void applyGainToInt16Buffer(void* buffer, const size_t bufferSizeBytes, const float gain,
+                            int channelCount) {
+    const uint16_t unityGainQ4_12 = u4_12_from_float(kUnityGainFloat);
+    const uint16_t vl = u4_12_from_float(gain);
+    const uint32_t vrl = (vl << 16) | vl;
+    int numFrames = 0;
+    if (channelCount == 2) {
+        numFrames = bufferSizeBytes / sizeof(uint32_t);
+        if (numFrames == 0) {
+            return;
+        }
+        uint32_t* intBuffer = (uint32_t*)buffer;
+        if (CC_UNLIKELY(vl > unityGainQ4_12)) {
+            do {
+                int32_t l = mulRL(1, *intBuffer, vrl) >> 12;
+                int32_t r = mulRL(0, *intBuffer, vrl) >> 12;
+                l = clamp16(l);
+                r = clamp16(r);
+                *intBuffer++ = (r << 16) | (l & 0xFFFF);
+            } while (--numFrames);
+        } else {
+            do {
+                int32_t l = mulRL(1, *intBuffer, vrl) >> 12;
+                int32_t r = mulRL(0, *intBuffer, vrl) >> 12;
+                *intBuffer++ = (r << 16) | (l & 0xFFFF);
+            } while (--numFrames);
+        }
+    } else {
+        numFrames = bufferSizeBytes / sizeof(uint16_t);
+        if (numFrames == 0) {
+            return;
+        }
+        int16_t* intBuffer = (int16_t*)buffer;
+        if (CC_UNLIKELY(vl > unityGainQ4_12)) {
+            do {
+                int32_t mono = mul(*intBuffer, static_cast<int16_t>(vl)) >> 12;
+                *intBuffer++ = clamp16(mono);
+            } while (--numFrames);
+        } else {
+            do {
+                int32_t mono = mul(*intBuffer, static_cast<int16_t>(vl)) >> 12;
+                *intBuffer++ = static_cast<int16_t>(mono & 0xFFFF);
+            } while (--numFrames);
+        }
+    }
+}
+
+void applyGainToInt32Buffer(int32_t* typedBuffer, const size_t bufferSizeBytes, const float gain) {
+    int numSamples = bufferSizeBytes / sizeof(int32_t);
+    if (numSamples == 0) {
+        return;
+    }
+    if (CC_UNLIKELY(gain > kUnityGainFloat)) {
+        do {
+            float multiplied = (*typedBuffer) * gain;
+            if (multiplied > INT32_MAX) {
+                *typedBuffer++ = INT32_MAX;
+            } else if (multiplied < INT32_MIN) {
+                *typedBuffer++ = INT32_MIN;
+            } else {
+                *typedBuffer++ = multiplied;
+            }
+        } while (--numSamples);
+    } else {
+        do {
+            *typedBuffer++ = (*typedBuffer) * gain;
+        } while (--numSamples);
+    }
+}
+
+void applyGainToFloatBuffer(float* floatBuffer, const size_t bufferSizeBytes, const float gain) {
+    int numSamples = bufferSizeBytes / sizeof(float);
+    if (numSamples == 0) {
+        return;
+    }
+    if (CC_UNLIKELY(gain > kUnityGainFloat)) {
+        do {
+            *floatBuffer++ = std::clamp((*floatBuffer) * gain, -kUnityGainFloat, kUnityGainFloat);
+        } while (--numSamples);
+    } else {
+        do {
+            *floatBuffer++ = (*floatBuffer) * gain;
+        } while (--numSamples);
+    }
+}
+
 }  // namespace
 
 std::ostream& operator<<(std::ostream& os, const DeviceProfile& device) {
@@ -345,7 +432,7 @@
     return findValueOrDefault(getAudioFormatDescriptorToPcmFormatMap(), aidl, PCM_FORMAT_INVALID);
 }
 
-void applyGain(void* buffer, float gain, size_t bytesToTransfer, enum pcm_format pcmFormat,
+void applyGain(void* buffer, float gain, size_t bufferSizeBytes, enum pcm_format pcmFormat,
                int channelCount) {
     if (channelCount != 1 && channelCount != 2) {
         LOG(WARNING) << __func__ << ": unsupported channel count " << channelCount;
@@ -355,56 +442,37 @@
         LOG(WARNING) << __func__ << ": unsupported pcm format " << pcmFormat;
         return;
     }
-    const float unityGainFloat = 1.0f;
-    if (std::abs(gain - unityGainFloat) < 1e-6) {
+    if (std::abs(gain - kUnityGainFloat) < 1e-6) {
         return;
     }
-    int numFrames;
     switch (pcmFormat) {
-        case PCM_FORMAT_S16_LE: {
-            const uint16_t unityGainQ4_12 = u4_12_from_float(unityGainFloat);
-            const uint16_t vl = u4_12_from_float(gain);
-            const uint32_t vrl = (vl << 16) | vl;
-            if (channelCount == 2) {
-                numFrames = bytesToTransfer / sizeof(uint32_t);
-                uint32_t* intBuffer = (uint32_t*)buffer;
-                if (CC_UNLIKELY(vl > unityGainQ4_12)) {
-                    // volume is boosted, so we might need to clamp even though
-                    // we process only one track.
-                    do {
-                        int32_t l = mulRL(1, *intBuffer, vrl) >> 12;
-                        int32_t r = mulRL(0, *intBuffer, vrl) >> 12;
-                        l = clamp16(l);
-                        r = clamp16(r);
-                        *intBuffer++ = (r << 16) | (l & 0xFFFF);
-                    } while (--numFrames);
-                } else {
-                    do {
-                        int32_t l = mulRL(1, *intBuffer, vrl) >> 12;
-                        int32_t r = mulRL(0, *intBuffer, vrl) >> 12;
-                        *intBuffer++ = (r << 16) | (l & 0xFFFF);
-                    } while (--numFrames);
-                }
-            } else {
-                numFrames = bytesToTransfer / sizeof(uint16_t);
-                int16_t* intBuffer = (int16_t*)buffer;
-                if (CC_UNLIKELY(vl > unityGainQ4_12)) {
-                    // volume is boosted, so we might need to clamp even though
-                    // we process only one track.
-                    do {
-                        int32_t mono = mulRL(1, *intBuffer, vrl) >> 12;
-                        *intBuffer++ = clamp16(mono);
-                    } while (--numFrames);
-                } else {
-                    do {
-                        int32_t mono = mulRL(1, *intBuffer, vrl) >> 12;
-                        *intBuffer++ = static_cast<int16_t>(mono & 0xFFFF);
-                    } while (--numFrames);
-                }
+        case PCM_FORMAT_S16_LE:
+            applyGainToInt16Buffer(buffer, bufferSizeBytes, gain, channelCount);
+            break;
+        case PCM_FORMAT_FLOAT_LE: {
+            float* floatBuffer = (float*)buffer;
+            applyGainToFloatBuffer(floatBuffer, bufferSizeBytes, gain);
+        } break;
+        case PCM_FORMAT_S24_LE:
+            // PCM_FORMAT_S24_LE buffer is composed of signed fixed-point 32-bit Q8.23 data with
+            // min and max limits of the same bit representation as min and max limits of
+            // PCM_FORMAT_S32_LE buffer.
+        case PCM_FORMAT_S32_LE: {
+            int32_t* typedBuffer = (int32_t*)buffer;
+            applyGainToInt32Buffer(typedBuffer, bufferSizeBytes, gain);
+        } break;
+        case PCM_FORMAT_S24_3LE: {
+            int numSamples = bufferSizeBytes / (sizeof(uint8_t) * 3);
+            if (numSamples == 0) {
+                return;
             }
+            std::unique_ptr<int32_t[]> typedBuffer(new int32_t[numSamples]);
+            memcpy_to_i32_from_p24(typedBuffer.get(), (uint8_t*)buffer, numSamples);
+            applyGainToInt32Buffer(typedBuffer.get(), numSamples * sizeof(int32_t), gain);
+            memcpy_to_p24_from_i32((uint8_t*)buffer, typedBuffer.get(), numSamples);
         } break;
         default:
-            // TODO(336370745): Implement gain for other supported formats
+            LOG(FATAL) << __func__ << ": unsupported pcm format " << pcmFormat;
             break;
     }
 }
diff --git a/audio/aidl/default/include/core-impl/Module.h b/audio/aidl/default/include/core-impl/Module.h
index 7e32cf2..d03598a 100644
--- a/audio/aidl/default/include/core-impl/Module.h
+++ b/audio/aidl/default/include/core-impl/Module.h
@@ -148,8 +148,10 @@
     struct VendorDebug {
         static const std::string kForceTransientBurstName;
         static const std::string kForceSynchronousDrainName;
+        static const std::string kForceDrainToDrainingName;
         bool forceTransientBurst = false;
         bool forceSynchronousDrain = false;
+        bool forceDrainToDraining = false;
     };
     // ids of device ports created at runtime via 'connectExternalDevice'.
     // Also stores a list of ids of mix ports with dynamic profiles that were populated from
diff --git a/audio/aidl/default/include/core-impl/Stream.h b/audio/aidl/default/include/core-impl/Stream.h
index f7b9269..8297fc5 100644
--- a/audio/aidl/default/include/core-impl/Stream.h
+++ b/audio/aidl/default/include/core-impl/Stream.h
@@ -78,6 +78,10 @@
         bool forceTransientBurst = false;
         // Force the "drain" command to be synchronous, going directly to the IDLE state.
         bool forceSynchronousDrain = false;
+        // Force the "drain early notify" command to keep the SM in the DRAINING state
+        // after sending 'onDrainReady' callback. The SM moves to IDLE after
+        // 'transientStateDelayMs'.
+        bool forceDrainToDraining = false;
     };
 
     StreamContext() = default;
@@ -119,6 +123,7 @@
     ::aidl::android::media::audio::common::AudioIoFlags getFlags() const { return mFlags; }
     bool getForceTransientBurst() const { return mDebugParameters.forceTransientBurst; }
     bool getForceSynchronousDrain() const { return mDebugParameters.forceSynchronousDrain; }
+    bool getForceDrainToDraining() const { return mDebugParameters.forceDrainToDraining; }
     size_t getFrameSize() const;
     int getInternalCommandCookie() const { return mInternalCommandCookie; }
     int32_t getMixPortHandle() const { return mMixPortHandle; }
@@ -301,6 +306,9 @@
     bool write(size_t clientSize, StreamDescriptor::Reply* reply);
 
     std::shared_ptr<IStreamOutEventCallback> mEventCallback;
+
+    enum OnDrainReadyStatus : int32_t { IGNORE /*used for DRAIN_ALL*/, UNSENT, SENT };
+    OnDrainReadyStatus mOnDrainReadyStatus = OnDrainReadyStatus::IGNORE;
 };
 using StreamOutWorker = StreamWorkerImpl<StreamOutWorkerLogic>;
 
diff --git a/audio/aidl/default/tests/AlsaUtilsTest.cpp b/audio/aidl/default/tests/AlsaUtilsTest.cpp
new file mode 100644
index 0000000..226eea0
--- /dev/null
+++ b/audio/aidl/default/tests/AlsaUtilsTest.cpp
@@ -0,0 +1,253 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AlsaUtilsTest"
+
+#include <alsa/Utils.h>
+#include <android-base/macros.h>
+#include <audio_utils/primitives.h>
+#include <gtest/gtest.h>
+#include <log/log.h>
+
+extern "C" {
+#include <tinyalsa/pcm.h>
+}
+
+namespace alsa = ::aidl::android::hardware::audio::core::alsa;
+
+namespace {
+
+const static constexpr float kInt16tTolerance = 4;
+const static constexpr float kIntTolerance = 1;
+const static constexpr float kFloatTolerance = 1e-4;
+const static constexpr float kUnityGain = 1;
+const static constexpr int32_t kInt24Min = -(1 << 23);
+const static constexpr int32_t kInt24Max = (1 << 23) - 1;
+const static constexpr float kFloatMin = -1;
+const static constexpr float kFloatMax = 1;
+const static int32_t kQ8_23Min = 0x80000000;
+const static int32_t kQ8_23Max = 0x7FFFFFFF;
+const static std::vector<int16_t> kInt16Buffer = {10000,     100,   0,    INT16_MAX,
+                                                  INT16_MIN, -2500, 1000, -5800};
+const static std::vector<float> kFloatBuffer = {0.5, -0.6, kFloatMin, 0.01, kFloatMax, 0.0};
+const static std::vector<int32_t> kInt32Buffer = {100, 0, 8000, INT32_MAX, INT32_MIN, -300};
+const static std::vector<int32_t> kQ8_23Buffer = {
+        kQ8_23Min, kQ8_23Max, 0x00000000, 0x00000001, 0x00400000, static_cast<int32_t>(0xFFD33333)};
+const static std::vector<int32_t> kInt24Buffer = {200, 10, -100, 0, kInt24Min, kInt24Max};
+
+template <typename T>
+void* CopyToBuffer(int& bytesToTransfer, std::vector<T>& destBuffer,
+                   const std::vector<T>& srcBuffer) {
+    bytesToTransfer = srcBuffer.size() * sizeof(T);
+    destBuffer = srcBuffer;
+    return destBuffer.data();
+}
+
+template <typename T>
+void VerifyTypedBufferResults(const std::vector<T>& bufferWithGain, const std::vector<T>& srcBuffer,
+                              float gain, float tolerance) {
+    for (size_t i = 0; i < srcBuffer.size(); i++) {
+        EXPECT_NEAR(srcBuffer[i] * gain, static_cast<float>(bufferWithGain[i]), tolerance);
+    }
+}
+
+template <typename T>
+void VerifyTypedBufferResultsWithClamp(const std::vector<T>& bufferWithGain,
+                                       const std::vector<T>& srcBuffer, float gain, float tolerance,
+                                       T minValue, T maxValue) {
+    for (size_t i = 0; i < srcBuffer.size(); i++) {
+        float expectedResult = std::clamp(srcBuffer[i] * gain, static_cast<float>(minValue),
+                                          static_cast<float>(maxValue));
+        EXPECT_NEAR(expectedResult, static_cast<float>(bufferWithGain[i]), tolerance);
+    }
+}
+
+}  // namespace
+
+using ApplyGainTestParameters = std::tuple<pcm_format, int, float>;
+enum { INDEX_PCM_FORMAT, INDEX_CHANNEL_COUNT, INDEX_GAIN };
+
+class ApplyGainTest : public ::testing::TestWithParam<ApplyGainTestParameters> {
+  protected:
+    void SetUp() override;
+    void VerifyBufferResult(const pcm_format pcmFormat, const float gain);
+    void VerifyBufferResultWithClamp(const pcm_format pcmFormat, const float gain);
+
+    pcm_format mPcmFormat;
+    int mBufferSizeBytes;
+    void* mBuffer;
+
+  private:
+    std::vector<int16_t> mInt16BufferToConvert;
+    std::vector<float> mFloatBufferToConvert;
+    std::vector<int32_t> mInt32BufferToConvert;
+    std::vector<int32_t> mQ8_23BufferToConvert;
+    std::vector<int32_t> mInt24BufferToConvert;
+};
+
+void ApplyGainTest::SetUp() {
+    mPcmFormat = std::get<INDEX_PCM_FORMAT>(GetParam());
+    switch (mPcmFormat) {
+        case PCM_FORMAT_S16_LE:
+            mBuffer = CopyToBuffer(mBufferSizeBytes, mInt16BufferToConvert, kInt16Buffer);
+            break;
+        case PCM_FORMAT_FLOAT_LE:
+            mBuffer = CopyToBuffer(mBufferSizeBytes, mFloatBufferToConvert, kFloatBuffer);
+            break;
+        case PCM_FORMAT_S32_LE:
+            mBuffer = CopyToBuffer(mBufferSizeBytes, mInt32BufferToConvert, kInt32Buffer);
+            break;
+        case PCM_FORMAT_S24_LE:
+            mBuffer = CopyToBuffer(mBufferSizeBytes, mQ8_23BufferToConvert, kQ8_23Buffer);
+            break;
+        case PCM_FORMAT_S24_3LE: {
+            std::vector<int32_t> original32BitBuffer(kInt24Buffer.begin(), kInt24Buffer.end());
+            for (auto& val : original32BitBuffer) {
+                val <<= 8;
+            }
+            mInt24BufferToConvert = std::vector<int32_t>(kInt24Buffer.size());
+            mBufferSizeBytes = kInt24Buffer.size() * 3 * sizeof(uint8_t);
+            memcpy_to_p24_from_i32(reinterpret_cast<uint8_t*>(mInt24BufferToConvert.data()),
+                                   original32BitBuffer.data(), kInt24Buffer.size());
+            mBuffer = mInt24BufferToConvert.data();
+        } break;
+        default:
+            FAIL() << "Unsupported pcm format: " << mPcmFormat;
+            return;
+    }
+}
+
+void ApplyGainTest::VerifyBufferResult(const pcm_format pcmFormat, const float gain) {
+    switch (pcmFormat) {
+        case PCM_FORMAT_S16_LE:
+            VerifyTypedBufferResults(mInt16BufferToConvert, kInt16Buffer, gain, kInt16tTolerance);
+            break;
+        case PCM_FORMAT_FLOAT_LE:
+            VerifyTypedBufferResults(mFloatBufferToConvert, kFloatBuffer, gain, kFloatTolerance);
+            break;
+        case PCM_FORMAT_S32_LE:
+            VerifyTypedBufferResults(mInt32BufferToConvert, kInt32Buffer, gain, kIntTolerance);
+            break;
+        case PCM_FORMAT_S24_LE: {
+            for (size_t i = 0; i < kQ8_23Buffer.size(); i++) {
+                EXPECT_NEAR(float_from_q8_23(kQ8_23Buffer[i]) * gain,
+                            static_cast<float>(float_from_q8_23(mQ8_23BufferToConvert[i])),
+                            kFloatTolerance);
+            }
+        } break;
+        case PCM_FORMAT_S24_3LE: {
+            size_t bufferSize = kInt24Buffer.size();
+            std::vector<int32_t> result32BitBuffer(bufferSize);
+            memcpy_to_i32_from_p24(result32BitBuffer.data(),
+                                   reinterpret_cast<uint8_t*>(mInt24BufferToConvert.data()),
+                                   bufferSize);
+            for (size_t i = 0; i < bufferSize; i++) {
+                EXPECT_NEAR(kInt24Buffer[i] * gain, result32BitBuffer[i] >> 8, kIntTolerance);
+            }
+        } break;
+        default:
+            return;
+    }
+}
+
+void ApplyGainTest::VerifyBufferResultWithClamp(const pcm_format pcmFormat, const float gain) {
+    switch (pcmFormat) {
+        case PCM_FORMAT_S16_LE:
+            VerifyTypedBufferResultsWithClamp(mInt16BufferToConvert, kInt16Buffer, gain,
+                                              kInt16tTolerance, static_cast<int16_t>(INT16_MIN),
+                                              static_cast<int16_t>(INT16_MAX));
+            break;
+        case PCM_FORMAT_FLOAT_LE:
+            VerifyTypedBufferResultsWithClamp(mFloatBufferToConvert, kFloatBuffer, gain,
+                                              kFloatTolerance, kFloatMin, kFloatMax);
+            break;
+        case PCM_FORMAT_S32_LE:
+            VerifyTypedBufferResultsWithClamp(mInt32BufferToConvert, kInt32Buffer, gain,
+                                              kIntTolerance, INT32_MIN, INT32_MAX);
+            break;
+        case PCM_FORMAT_S24_LE: {
+            for (size_t i = 0; i < kQ8_23Buffer.size(); i++) {
+                float expectedResult =
+                        std::clamp(float_from_q8_23(kQ8_23Buffer[i]) * gain,
+                                   float_from_q8_23(kQ8_23Min), float_from_q8_23(kQ8_23Max));
+                EXPECT_NEAR(expectedResult,
+                            static_cast<float>(float_from_q8_23(mQ8_23BufferToConvert[i])),
+                            kFloatTolerance);
+            }
+        } break;
+        case PCM_FORMAT_S24_3LE: {
+            size_t bufferSize = kInt24Buffer.size();
+            std::vector<int32_t> result32BitBuffer(bufferSize);
+            memcpy_to_i32_from_p24(result32BitBuffer.data(),
+                                   reinterpret_cast<uint8_t*>(mInt24BufferToConvert.data()),
+                                   bufferSize);
+            for (size_t i = 0; i < bufferSize; i++) {
+                result32BitBuffer[i] >>= 8;
+            }
+            VerifyTypedBufferResultsWithClamp(result32BitBuffer, kInt24Buffer, gain, kIntTolerance,
+                                              kInt24Min, kInt24Max);
+        } break;
+        default:
+            return;
+    }
+}
+
+TEST_P(ApplyGainTest, ApplyGain) {
+    float gain = std::get<INDEX_GAIN>(GetParam());
+    int channelCount = std::get<INDEX_CHANNEL_COUNT>(GetParam());
+
+    alsa::applyGain(mBuffer, gain, mBufferSizeBytes, mPcmFormat, channelCount);
+
+    if (gain <= kUnityGain) {
+        VerifyBufferResult(mPcmFormat, gain);
+    } else {
+        VerifyBufferResultWithClamp(mPcmFormat, gain);
+    }
+}
+
+std::string GetApplyGainTestName(const testing::TestParamInfo<ApplyGainTestParameters>& info) {
+    std::string testNameStr;
+    switch (std::get<INDEX_PCM_FORMAT>(info.param)) {
+        case PCM_FORMAT_S16_LE:
+            testNameStr = "S16_LE";
+            break;
+        case PCM_FORMAT_FLOAT_LE:
+            testNameStr = "Float_LE";
+            break;
+        case PCM_FORMAT_S32_LE:
+            testNameStr = "S32_LE";
+            break;
+        case PCM_FORMAT_S24_LE:
+            testNameStr = "S24_LE";
+            break;
+        case PCM_FORMAT_S24_3LE:
+            testNameStr = "S24_3LE";
+            break;
+        default:
+            testNameStr = "UnsupportedPcmFormat";
+            break;
+    }
+    testNameStr += std::get<INDEX_CHANNEL_COUNT>(info.param) == 1 ? "_Mono_" : "_Stereo_";
+    testNameStr += std::get<INDEX_GAIN>(info.param) <= kUnityGain ? "WithoutClamp" : "WithClamp";
+    return testNameStr;
+}
+
+INSTANTIATE_TEST_SUITE_P(PerPcmFormat, ApplyGainTest,
+                         testing::Combine(testing::Values(PCM_FORMAT_S16_LE, PCM_FORMAT_FLOAT_LE,
+                                                          PCM_FORMAT_S32_LE, PCM_FORMAT_S24_LE,
+                                                          PCM_FORMAT_S24_3LE),
+                                          testing::Values(1, 2), testing::Values(0.6f, 1.5f)),
+                         GetApplyGainTestName);
diff --git a/audio/aidl/vts/Android.bp b/audio/aidl/vts/Android.bp
index b025637..e2d4b79 100644
--- a/audio/aidl/vts/Android.bp
+++ b/audio/aidl/vts/Android.bp
@@ -171,6 +171,9 @@
     name: "VtsHalVisualizerTargetTest",
     defaults: ["VtsHalAudioEffectTargetTestDefaults"],
     srcs: ["VtsHalVisualizerTargetTest.cpp"],
+    shared_libs: [
+        "libaudioutils",
+    ],
 }
 
 cc_test {
diff --git a/audio/aidl/vts/EffectHelper.h b/audio/aidl/vts/EffectHelper.h
index e073ece..ace6a82 100644
--- a/audio/aidl/vts/EffectHelper.h
+++ b/audio/aidl/vts/EffectHelper.h
@@ -375,7 +375,8 @@
                                         std::vector<float>& outputBuffer,
                                         const std::shared_ptr<IEffect>& effect,
                                         IEffect::OpenEffectReturn* openEffectReturn,
-                                        int version = -1, int times = 1) {
+                                        int version = -1, int times = 1,
+                                        bool callStopReset = true) {
         // Initialize AidlMessagequeues
         auto statusMQ = std::make_unique<EffectHelper::StatusMQ>(openEffectReturn->statusMQ);
         ASSERT_TRUE(statusMQ->isValid());
@@ -401,10 +402,14 @@
         }
 
         // Disable the process
-        ASSERT_NO_FATAL_FAILURE(command(effect, CommandId::STOP));
+        if (callStopReset) {
+            ASSERT_NO_FATAL_FAILURE(command(effect, CommandId::STOP));
+        }
         EXPECT_NO_FATAL_FAILURE(EffectHelper::readFromFmq(statusMQ, 0, outputMQ, 0, outputBuffer));
 
-        ASSERT_NO_FATAL_FAILURE(command(effect, CommandId::RESET));
+        if (callStopReset) {
+            ASSERT_NO_FATAL_FAILURE(command(effect, CommandId::RESET));
+        }
     }
 
     // Find FFT bin indices for testFrequencies and get bin center frequencies
diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index 6bfba65..6bce107 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -117,6 +117,10 @@
 using ndk::enum_range;
 using ndk::ScopedAStatus;
 
+static constexpr int32_t kAidlVersion1 = 1;
+static constexpr int32_t kAidlVersion2 = 2;
+static constexpr int32_t kAidlVersion3 = 3;
+
 template <typename T>
 std::set<int32_t> extractIds(const std::vector<T>& v) {
     std::set<int32_t> ids;
@@ -452,7 +456,6 @@
     // This is implemented by the 'StreamFixture' utility class.
     static constexpr int kNegativeTestBufferSizeFrames = 256;
     static constexpr int kDefaultLargeBufferSizeFrames = 48000;
-    static constexpr int32_t kAidlVersion3 = 3;
 
     void SetUpImpl(const std::string& moduleName, bool setUpDebug = true) {
         ASSERT_NO_FATAL_FAILURE(ConnectToService(moduleName, setUpDebug));
@@ -582,7 +585,7 @@
     std::unique_ptr<WithDebugFlags> debug;
     std::vector<AudioPort> initialPorts;
     std::vector<AudioRoute> initialRoutes;
-    int32_t aidlVersion;
+    int32_t aidlVersion = -1;
 };
 
 class WithDevicePortConnectedState {
@@ -1837,6 +1840,7 @@
 }
 
 TEST_P(AudioCoreModule, SetAudioPortConfigInvalidPortAudioGain) {
+    ASSERT_GE(aidlVersion, kAidlVersion1);
     if (aidlVersion < kAidlVersion3) {
         GTEST_SKIP() << "Skip for audio HAL version lower than " << kAidlVersion3;
     }
@@ -4021,6 +4025,7 @@
 
 enum {
     NAMED_CMD_NAME,
+    NAMED_CMD_MIN_INTERFACE_VERSION,
     NAMED_CMD_DELAY_MS,
     NAMED_CMD_STREAM_TYPE,
     NAMED_CMD_CMDS,
@@ -4028,7 +4033,7 @@
 };
 enum class StreamTypeFilter { ANY, SYNC, ASYNC };
 using NamedCommandSequence =
-        std::tuple<std::string, int /*cmdDelayMs*/, StreamTypeFilter,
+        std::tuple<std::string, int /*minInterfaceVersion*/, int /*cmdDelayMs*/, StreamTypeFilter,
                    std::shared_ptr<StateSequence>, bool /*validatePositionIncrease*/>;
 enum { PARAM_MODULE_NAME, PARAM_CMD_SEQ, PARAM_SETUP_SEQ };
 using StreamIoTestParameters =
@@ -4039,6 +4044,12 @@
   public:
     void SetUp() override {
         ASSERT_NO_FATAL_FAILURE(SetUpImpl(std::get<PARAM_MODULE_NAME>(GetParam())));
+        ASSERT_GE(aidlVersion, kAidlVersion1);
+        if (const int minVersion =
+                    std::get<NAMED_CMD_MIN_INTERFACE_VERSION>(std::get<PARAM_CMD_SEQ>(GetParam()));
+            aidlVersion < minVersion) {
+            GTEST_SKIP() << "Skip for audio HAL version lower than " << minVersion;
+        }
         ASSERT_NO_FATAL_FAILURE(SetUpModuleConfig());
     }
 
@@ -4048,6 +4059,20 @@
         if (allPortConfigs.empty()) {
             GTEST_SKIP() << "No mix ports have attached devices";
         }
+        const auto& commandsAndStates =
+                std::get<NAMED_CMD_CMDS>(std::get<PARAM_CMD_SEQ>(GetParam()));
+        const bool validatePositionIncrease =
+                std::get<NAMED_CMD_VALIDATE_POS_INCREASE>(std::get<PARAM_CMD_SEQ>(GetParam()));
+        auto runStreamIoCommands = [&](const AudioPortConfig& portConfig) {
+            if (!std::get<PARAM_SETUP_SEQ>(GetParam())) {
+                ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq1(portConfig, commandsAndStates,
+                                                                    validatePositionIncrease));
+            } else {
+                ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq2(portConfig, commandsAndStates,
+                                                                    validatePositionIncrease));
+            }
+        };
+
         for (const auto& portConfig : allPortConfigs) {
             auto port = moduleConfig->getPort(portConfig.portId);
             ASSERT_TRUE(port.has_value());
@@ -4075,16 +4100,18 @@
             delayTransientStates.flags().streamTransientStateDelayMs =
                     std::get<NAMED_CMD_DELAY_MS>(std::get<PARAM_CMD_SEQ>(GetParam()));
             ASSERT_NO_FATAL_FAILURE(delayTransientStates.SetUp(module.get()));
-            const auto& commandsAndStates =
-                    std::get<NAMED_CMD_CMDS>(std::get<PARAM_CMD_SEQ>(GetParam()));
-            const bool validatePositionIncrease =
-                    std::get<NAMED_CMD_VALIDATE_POS_INCREASE>(std::get<PARAM_CMD_SEQ>(GetParam()));
-            if (!std::get<PARAM_SETUP_SEQ>(GetParam())) {
-                ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq1(portConfig, commandsAndStates,
-                                                                    validatePositionIncrease));
-            } else {
-                ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq2(portConfig, commandsAndStates,
-                                                                    validatePositionIncrease));
+            ASSERT_NO_FATAL_FAILURE(runStreamIoCommands(portConfig));
+            if (aidlVersion >= kAidlVersion3 && isNonBlocking && !IOTraits<Stream>::is_input) {
+                // Also try running the same sequence with "aosp.forceDrainToDraining" set.
+                // This will only work with the default implementation. When it works, the stream
+                // tries always to move to the 'DRAINING' state after an "early notify" drain.
+                // This helps to check more paths for our test scenarios.
+                WithModuleParameter forceDrainToDraining("aosp.forceDrainToDraining",
+                                                         Boolean{true});
+                if (forceDrainToDraining.SetUpNoChecks(module.get(), true /*failureExpected*/)
+                            .isOk()) {
+                    ASSERT_NO_FATAL_FAILURE(runStreamIoCommands(portConfig));
+                }
             }
             if (isNonBlocking) {
                 // Also try running the same sequence with "aosp.forceTransientBurst" set.
@@ -4094,13 +4121,7 @@
                 WithModuleParameter forceTransientBurst("aosp.forceTransientBurst", Boolean{true});
                 if (forceTransientBurst.SetUpNoChecks(module.get(), true /*failureExpected*/)
                             .isOk()) {
-                    if (!std::get<PARAM_SETUP_SEQ>(GetParam())) {
-                        ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq1(
-                                portConfig, commandsAndStates, validatePositionIncrease));
-                    } else {
-                        ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq2(
-                                portConfig, commandsAndStates, validatePositionIncrease));
-                    }
+                    ASSERT_NO_FATAL_FAILURE(runStreamIoCommands(portConfig));
                 }
             } else if (!IOTraits<Stream>::is_input) {
                 // Also try running the same sequence with "aosp.forceSynchronousDrain" set.
@@ -4111,13 +4132,7 @@
                                                           Boolean{true});
                 if (forceSynchronousDrain.SetUpNoChecks(module.get(), true /*failureExpected*/)
                             .isOk()) {
-                    if (!std::get<PARAM_SETUP_SEQ>(GetParam())) {
-                        ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq1(
-                                portConfig, commandsAndStates, validatePositionIncrease));
-                    } else {
-                        ASSERT_NO_FATAL_FAILURE(RunStreamIoCommandsImplSeq2(
-                                portConfig, commandsAndStates, validatePositionIncrease));
-                    }
+                    ASSERT_NO_FATAL_FAILURE(runStreamIoCommands(portConfig));
                 }
             }
         }
@@ -4570,14 +4585,14 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kReadSeq =
-        std::make_tuple(std::string("Read"), 0, StreamTypeFilter::ANY, makeBurstCommands(true),
-                        true /*validatePositionIncrease*/);
+        std::make_tuple(std::string("Read"), kAidlVersion1, 0, StreamTypeFilter::ANY,
+                        makeBurstCommands(true), true /*validatePositionIncrease*/);
 static const NamedCommandSequence kWriteSyncSeq =
-        std::make_tuple(std::string("Write"), 0, StreamTypeFilter::SYNC, makeBurstCommands(true),
-                        true /*validatePositionIncrease*/);
+        std::make_tuple(std::string("Write"), kAidlVersion1, 0, StreamTypeFilter::SYNC,
+                        makeBurstCommands(true), true /*validatePositionIncrease*/);
 static const NamedCommandSequence kWriteAsyncSeq =
-        std::make_tuple(std::string("Write"), 0, StreamTypeFilter::ASYNC, makeBurstCommands(false),
-                        true /*validatePositionIncrease*/);
+        std::make_tuple(std::string("Write"), kAidlVersion1, 0, StreamTypeFilter::ASYNC,
+                        makeBurstCommands(false), true /*validatePositionIncrease*/);
 
 std::shared_ptr<StateSequence> makeAsyncDrainCommands(bool isInput) {
     using State = StreamDescriptor::State;
@@ -4606,10 +4621,10 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kWriteDrainAsyncSeq = std::make_tuple(
-        std::string("WriteDrain"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
-        makeAsyncDrainCommands(false), false /*validatePositionIncrease*/);
+        std::string("WriteDrain"), kAidlVersion1, kStreamTransientStateTransitionDelayMs,
+        StreamTypeFilter::ASYNC, makeAsyncDrainCommands(false), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kDrainInSeq =
-        std::make_tuple(std::string("Drain"), 0, StreamTypeFilter::ANY,
+        std::make_tuple(std::string("Drain"), kAidlVersion1, 0, StreamTypeFilter::ANY,
                         makeAsyncDrainCommands(true), false /*validatePositionIncrease*/);
 
 std::shared_ptr<StateSequence> makeDrainOutCommands(bool isSync) {
@@ -4631,12 +4646,28 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kDrainOutSyncSeq =
-        std::make_tuple(std::string("Drain"), 0, StreamTypeFilter::SYNC, makeDrainOutCommands(true),
-                        false /*validatePositionIncrease*/);
+        std::make_tuple(std::string("Drain"), kAidlVersion1, 0, StreamTypeFilter::SYNC,
+                        makeDrainOutCommands(true), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kDrainOutAsyncSeq =
-        std::make_tuple(std::string("Drain"), 0, StreamTypeFilter::ASYNC,
+        std::make_tuple(std::string("Drain"), kAidlVersion3, 0, StreamTypeFilter::ASYNC,
                         makeDrainOutCommands(false), false /*validatePositionIncrease*/);
 
+std::shared_ptr<StateSequence> makeDrainEarlyOutCommands() {
+    using State = StreamDescriptor::State;
+    auto d = std::make_unique<StateDag>();
+    StateDag::Node last = d->makeFinalNode(State::IDLE);
+    StateDag::Node draining = d->makeNode(State::DRAINING, kDrainReadyEvent, last);
+    draining.children().push_back(d->makeNode(State::DRAINING, kGetStatusCommand, last));
+    StateDag::Node active = d->makeNode(State::ACTIVE, kDrainOutEarlyCommand, draining);
+    StateDag::Node idle = d->makeNode(State::IDLE, kBurstCommand, active);
+    idle.children().push_back(d->makeNode(State::TRANSFERRING, kTransferReadyEvent, active));
+    d->makeNode(State::STANDBY, kStartCommand, idle);
+    return std::make_shared<StateSequenceFollower>(std::move(d));
+}
+static const NamedCommandSequence kDrainEarlyOutAsyncSeq =
+        std::make_tuple(std::string("DrainEarly"), kAidlVersion3, 0, StreamTypeFilter::ASYNC,
+                        makeDrainEarlyOutCommands(), false /*validatePositionIncrease*/);
+
 std::shared_ptr<StateSequence> makeDrainPauseOutCommands(bool isSync) {
     using State = StreamDescriptor::State;
     auto d = std::make_unique<StateDag>();
@@ -4656,12 +4687,33 @@
     d->makeNode(State::STANDBY, kStartCommand, idle);
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
-static const NamedCommandSequence kDrainPauseOutSyncSeq = std::make_tuple(
-        std::string("DrainPause"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::SYNC,
-        makeDrainPauseOutCommands(true), false /*validatePositionIncrease*/);
-static const NamedCommandSequence kDrainPauseOutAsyncSeq = std::make_tuple(
-        std::string("DrainPause"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
-        makeDrainPauseOutCommands(false), false /*validatePositionIncrease*/);
+static const NamedCommandSequence kDrainPauseOutSyncSeq =
+        std::make_tuple(std::string("DrainPause"), kAidlVersion1,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::SYNC,
+                        makeDrainPauseOutCommands(true), false /*validatePositionIncrease*/);
+static const NamedCommandSequence kDrainPauseOutAsyncSeq =
+        std::make_tuple(std::string("DrainPause"), kAidlVersion1,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
+                        makeDrainPauseOutCommands(false), false /*validatePositionIncrease*/);
+
+std::shared_ptr<StateSequence> makeDrainEarlyPauseOutCommands() {
+    using State = StreamDescriptor::State;
+    auto d = std::make_unique<StateDag>();
+    StateDag::Node draining = d->makeNodes({std::make_pair(State::DRAINING, kPauseCommand),
+                                            std::make_pair(State::DRAIN_PAUSED, kStartCommand),
+                                            std::make_pair(State::DRAINING, kPauseCommand),
+                                            std::make_pair(State::DRAIN_PAUSED, kBurstCommand)},
+                                           State::TRANSFER_PAUSED);
+    StateDag::Node active = d->makeNode(State::ACTIVE, kDrainOutEarlyCommand, draining);
+    StateDag::Node idle = d->makeNode(State::IDLE, kBurstCommand, active);
+    idle.children().push_back(d->makeNode(State::TRANSFERRING, kDrainOutEarlyCommand, draining));
+    d->makeNode(State::STANDBY, kStartCommand, idle);
+    return std::make_shared<StateSequenceFollower>(std::move(d));
+}
+static const NamedCommandSequence kDrainEarlyPauseOutAsyncSeq =
+        std::make_tuple(std::string("DrainEarlyPause"), kAidlVersion3,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
+                        makeDrainEarlyPauseOutCommands(), false /*validatePositionIncrease*/);
 
 // This sequence also verifies that the capture / presentation position is not reset on standby.
 std::shared_ptr<StateSequence> makeStandbyCommands(bool isInput, bool isSync) {
@@ -4703,14 +4755,15 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kStandbyInSeq =
-        std::make_tuple(std::string("Standby"), 0, StreamTypeFilter::ANY,
+        std::make_tuple(std::string("Standby"), kAidlVersion1, 0, StreamTypeFilter::ANY,
                         makeStandbyCommands(true, false), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kStandbyOutSyncSeq =
-        std::make_tuple(std::string("Standby"), 0, StreamTypeFilter::SYNC,
+        std::make_tuple(std::string("Standby"), kAidlVersion1, 0, StreamTypeFilter::SYNC,
                         makeStandbyCommands(false, true), false /*validatePositionIncrease*/);
-static const NamedCommandSequence kStandbyOutAsyncSeq = std::make_tuple(
-        std::string("Standby"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
-        makeStandbyCommands(false, false), false /*validatePositionIncrease*/);
+static const NamedCommandSequence kStandbyOutAsyncSeq =
+        std::make_tuple(std::string("Standby"), kAidlVersion1,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
+                        makeStandbyCommands(false, false), false /*validatePositionIncrease*/);
 
 std::shared_ptr<StateSequence> makePauseCommands(bool isInput, bool isSync) {
     using State = StreamDescriptor::State;
@@ -4745,14 +4798,15 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kPauseInSeq =
-        std::make_tuple(std::string("Pause"), 0, StreamTypeFilter::ANY,
+        std::make_tuple(std::string("Pause"), kAidlVersion1, 0, StreamTypeFilter::ANY,
                         makePauseCommands(true, false), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kPauseOutSyncSeq =
-        std::make_tuple(std::string("Pause"), 0, StreamTypeFilter::SYNC,
+        std::make_tuple(std::string("Pause"), kAidlVersion1, 0, StreamTypeFilter::SYNC,
                         makePauseCommands(false, true), false /*validatePositionIncrease*/);
-static const NamedCommandSequence kPauseOutAsyncSeq = std::make_tuple(
-        std::string("Pause"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
-        makePauseCommands(false, false), false /*validatePositionIncrease*/);
+static const NamedCommandSequence kPauseOutAsyncSeq =
+        std::make_tuple(std::string("Pause"), kAidlVersion1, kStreamTransientStateTransitionDelayMs,
+                        StreamTypeFilter::ASYNC, makePauseCommands(false, false),
+                        false /*validatePositionIncrease*/);
 
 std::shared_ptr<StateSequence> makeFlushCommands(bool isInput, bool isSync) {
     using State = StreamDescriptor::State;
@@ -4780,14 +4834,15 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kFlushInSeq =
-        std::make_tuple(std::string("Flush"), 0, StreamTypeFilter::ANY,
+        std::make_tuple(std::string("Flush"), kAidlVersion1, 0, StreamTypeFilter::ANY,
                         makeFlushCommands(true, false), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kFlushOutSyncSeq =
-        std::make_tuple(std::string("Flush"), 0, StreamTypeFilter::SYNC,
+        std::make_tuple(std::string("Flush"), kAidlVersion1, 0, StreamTypeFilter::SYNC,
                         makeFlushCommands(false, true), false /*validatePositionIncrease*/);
-static const NamedCommandSequence kFlushOutAsyncSeq = std::make_tuple(
-        std::string("Flush"), kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
-        makeFlushCommands(false, false), false /*validatePositionIncrease*/);
+static const NamedCommandSequence kFlushOutAsyncSeq =
+        std::make_tuple(std::string("Flush"), kAidlVersion1, kStreamTransientStateTransitionDelayMs,
+                        StreamTypeFilter::ASYNC, makeFlushCommands(false, false),
+                        false /*validatePositionIncrease*/);
 
 std::shared_ptr<StateSequence> makeDrainPauseFlushOutCommands(bool isSync) {
     using State = StreamDescriptor::State;
@@ -4807,13 +4862,13 @@
     return std::make_shared<StateSequenceFollower>(std::move(d));
 }
 static const NamedCommandSequence kDrainPauseFlushOutSyncSeq =
-        std::make_tuple(std::string("DrainPauseFlush"), kStreamTransientStateTransitionDelayMs,
-                        StreamTypeFilter::SYNC, makeDrainPauseFlushOutCommands(true),
-                        false /*validatePositionIncrease*/);
+        std::make_tuple(std::string("DrainPauseFlush"), kAidlVersion1,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::SYNC,
+                        makeDrainPauseFlushOutCommands(true), false /*validatePositionIncrease*/);
 static const NamedCommandSequence kDrainPauseFlushOutAsyncSeq =
-        std::make_tuple(std::string("DrainPauseFlush"), kStreamTransientStateTransitionDelayMs,
-                        StreamTypeFilter::ASYNC, makeDrainPauseFlushOutCommands(false),
-                        false /*validatePositionIncrease*/);
+        std::make_tuple(std::string("DrainPauseFlush"), kAidlVersion1,
+                        kStreamTransientStateTransitionDelayMs, StreamTypeFilter::ASYNC,
+                        makeDrainPauseFlushOutCommands(false), false /*validatePositionIncrease*/);
 
 // Note, this isn't the "official" enum printer, it is only used to make the test name suffix.
 std::string PrintStreamFilterToString(StreamTypeFilter filter) {
@@ -4851,9 +4906,10 @@
         AudioStreamIoOutTest, AudioStreamIoOut,
         testing::Combine(testing::ValuesIn(android::getAidlHalInstanceNames(IModule::descriptor)),
                          testing::Values(kWriteSyncSeq, kWriteAsyncSeq, kWriteDrainAsyncSeq,
-                                         kDrainOutSyncSeq, kDrainPauseOutSyncSeq,
-                                         kDrainPauseOutAsyncSeq, kStandbyOutSyncSeq,
-                                         kStandbyOutAsyncSeq,
+                                         kDrainOutSyncSeq, kDrainOutAsyncSeq,
+                                         kDrainEarlyOutAsyncSeq, kDrainPauseOutSyncSeq,
+                                         kDrainPauseOutAsyncSeq, kDrainEarlyPauseOutAsyncSeq,
+                                         kStandbyOutSyncSeq, kStandbyOutAsyncSeq,
                                          kPauseOutSyncSeq,  // kPauseOutAsyncSeq,
                                          kFlushOutSyncSeq, kFlushOutAsyncSeq,
                                          kDrainPauseFlushOutSyncSeq, kDrainPauseFlushOutAsyncSeq),
diff --git a/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp b/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
index a0e43bc..a942521 100644
--- a/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalVisualizerTargetTest.cpp
@@ -19,6 +19,7 @@
 #define LOG_TAG "VtsHalVisualizerTest"
 #include <android-base/logging.h>
 #include <android/binder_enums.h>
+#include <audio_utils/power.h>
 
 #include "EffectHelper.h"
 
@@ -44,9 +45,8 @@
     PARAM_MEASUREMENT_MODE,
     PARAM_LATENCY,
 };
-using VisualizerParamTestParam =
-        std::tuple<std::pair<std::shared_ptr<IFactory>, Descriptor>, int, Visualizer::ScalingMode,
-                   Visualizer::MeasurementMode, int>;
+using VisualizerTestParam = std::tuple<std::pair<std::shared_ptr<IFactory>, Descriptor>, int,
+                                       Visualizer::ScalingMode, Visualizer::MeasurementMode, int>;
 
 class VisualizerTestHelper : public EffectHelper {
   public:
@@ -139,10 +139,15 @@
                 {Visualizer::latencyMs, Visualizer::make<Visualizer::latencyMs>(latency)});
     }
 
+    static std::unordered_set<Visualizer::ScalingMode> getScalingModeValues() {
+        return {ndk::enum_range<Visualizer::ScalingMode>().begin(),
+                ndk::enum_range<Visualizer::ScalingMode>().end()};
+    }
+
     static constexpr long kInputFrameCount = 0x100, kOutputFrameCount = 0x100;
     const size_t mChannelCount =
             getChannelCount(AudioChannelLayout::make<AudioChannelLayout::layoutMask>(
-                    AudioChannelLayout::LAYOUT_STEREO));
+                    AudioChannelLayout::LAYOUT_MONO));
     const size_t mBufferSizeInFrames = kInputFrameCount * mChannelCount;
     const int mCaptureSize;
     const int mLatency;
@@ -161,7 +166,7 @@
     void CleanUp() { mCommonTags.clear(); }
 };
 
-class VisualizerParamTest : public ::testing::TestWithParam<VisualizerParamTestParam>,
+class VisualizerParamTest : public ::testing::TestWithParam<VisualizerTestParam>,
                             public VisualizerTestHelper {
   public:
     VisualizerParamTest()
@@ -181,11 +186,6 @@
         return {ndk::enum_range<Visualizer::MeasurementMode>().begin(),
                 ndk::enum_range<Visualizer::MeasurementMode>().end()};
     }
-
-    static std::unordered_set<Visualizer::ScalingMode> getScalingModeValues() {
-        return {ndk::enum_range<Visualizer::ScalingMode>().begin(),
-                ndk::enum_range<Visualizer::ScalingMode>().end()};
-    }
 };
 
 TEST_P(VisualizerParamTest, SetAndGetCaptureSize) {
@@ -237,6 +237,82 @@
     }
 }
 
+class VisualizerDataTest : public ::testing::TestWithParam<VisualizerTestParam>,
+                           public VisualizerTestHelper {
+  public:
+    VisualizerDataTest()
+        : VisualizerTestHelper(std::get<PARAM_INSTANCE_NAME>(GetParam()),
+                               std::get<PARAM_CAPTURE_SIZE>(GetParam()),
+                               std::get<PARAM_LATENCY>(GetParam()),
+                               std::get<PARAM_SCALING_MODE>(GetParam()),
+                               std::get<PARAM_MEASUREMENT_MODE>(GetParam())) {}
+
+    void SetUp() override { SetUpVisualizer(); }
+
+    void TearDown() override { TearDownVisualizer(); }
+};
+
+TEST_P(VisualizerDataTest, testScalingModeParameters) {
+    SKIP_TEST_IF_DATA_UNSUPPORTED(mDescriptor.common.flags);
+
+    // This test holds true for the following range
+    static_assert(kMaxAudioSampleValue <= 1.0 && kMaxAudioSampleValue > 0.0,
+                  "Valid range of kMaxAudioSample value for the test: (0.0, 1.0]");
+
+    constexpr float kPowerToleranceDb = 0.5;
+
+    generateSineWave(std::vector<int>{1000}, mInputBuffer, 1.0, mBufferSizeInFrames);
+    const float expectedPowerNormalized = audio_utils_compute_power_mono(
+            mInputBuffer.data(), AUDIO_FORMAT_PCM_FLOAT, mInputBuffer.size());
+
+    const std::vector<float> testMaxAudioSampleValueList = {
+            0.25 * kMaxAudioSampleValue, 0.5 * kMaxAudioSampleValue, 0.75 * kMaxAudioSampleValue,
+            kMaxAudioSampleValue};
+
+    Parameter::Id idCsb;
+    Visualizer::Id vsIdCsb;
+    vsIdCsb.set<Visualizer::Id::commonTag>(Visualizer::captureSampleBuffer);
+    idCsb.set<Parameter::Id::visualizerTag>(vsIdCsb);
+
+    for (float maxAudioSampleValue : testMaxAudioSampleValueList) {
+        bool allParamsValid = true;
+        ASSERT_NO_FATAL_FAILURE(addCaptureSizeParam(mCaptureSize));
+        ASSERT_NO_FATAL_FAILURE(addScalingModeParam(mScalingMode));
+        ASSERT_NO_FATAL_FAILURE(addLatencyParam(mLatency));
+        ASSERT_NO_FATAL_FAILURE(SetAndGetParameters(&allParamsValid));
+
+        generateSineWave(std::vector<int>{1000}, mInputBuffer, maxAudioSampleValue,
+                         mBufferSizeInFrames);
+
+        // The stop and reset calls to the effect are made towards the end in order to fetch the
+        // captureSampleBuffer values
+        ASSERT_NO_FATAL_FAILURE(processAndWriteToOutput(mInputBuffer, mOutputBuffer, mEffect,
+                                                        &mOpenEffectReturn, mVersion, 1, false));
+        if (allParamsValid) {
+            Parameter getParam;
+            EXPECT_STATUS(EX_NONE, mEffect->getParameter(idCsb, &getParam))
+                    << " with: " << idCsb.toString();
+            std::vector<uint8_t> captureBuffer = getParam.get<Parameter::specific>()
+                                                         .get<Parameter::Specific::visualizer>()
+                                                         .get<Visualizer::captureSampleBuffer>();
+            ASSERT_EQ((size_t)mCaptureSize, captureBuffer.size());
+
+            float currPowerCsb = audio_utils_compute_power_mono(
+                    captureBuffer.data(), AUDIO_FORMAT_PCM_8_BIT, mCaptureSize);
+
+            if (mScalingMode == Visualizer::ScalingMode::NORMALIZED) {
+                EXPECT_NEAR(currPowerCsb, expectedPowerNormalized, kPowerToleranceDb);
+            } else {
+                float powerI = audio_utils_compute_power_mono(
+                        mInputBuffer.data(), AUDIO_FORMAT_PCM_FLOAT, mInputBuffer.size());
+                EXPECT_NEAR(currPowerCsb, powerI, kPowerToleranceDb);
+            }
+        }
+        ASSERT_NO_FATAL_FAILURE(command(mEffect, CommandId::STOP));
+        ASSERT_NO_FATAL_FAILURE(command(mEffect, CommandId::RESET));
+    }
+}
+
 std::vector<std::pair<std::shared_ptr<IFactory>, Descriptor>> kDescPair;
 INSTANTIATE_TEST_SUITE_P(
         VisualizerParamTest, VisualizerParamTest,
@@ -246,7 +322,7 @@
                 testing::ValuesIn(EffectHelper::getTestValueSet<Visualizer, int, Range::visualizer,
                                                                 Visualizer::captureSamples>(
                         kDescPair, EffectHelper::expandTestValueBasic<int>)),
-                testing::ValuesIn(VisualizerParamTest::getScalingModeValues()),
+                testing::ValuesIn(VisualizerTestHelper::getScalingModeValues()),
                 testing::ValuesIn(VisualizerParamTest::getMeasurementModeValues()),
                 testing::ValuesIn(EffectHelper::getTestValueSet<Visualizer, int, Range::visualizer,
                                                                 Visualizer::latencyMs>(
@@ -270,6 +346,35 @@
 
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VisualizerParamTest);
 
+INSTANTIATE_TEST_SUITE_P(
+        VisualizerDataTest, VisualizerDataTest,
+        ::testing::Combine(
+                testing::ValuesIn(kDescPair = EffectFactoryHelper::getAllEffectDescriptors(
+                                          IFactory::descriptor, getEffectTypeUuidVisualizer())),
+                testing::Values(128),  // captureSize
+                testing::ValuesIn(VisualizerTestHelper::getScalingModeValues()),
+                testing::Values(Visualizer::MeasurementMode::PEAK_RMS),
+                testing::Values(0)  // latency
+                ),
+        [](const testing::TestParamInfo<VisualizerDataTest::ParamType>& info) {
+            auto descriptor = std::get<PARAM_INSTANCE_NAME>(info.param).second;
+            std::string captureSize = std::to_string(std::get<PARAM_CAPTURE_SIZE>(info.param));
+            std::string scalingMode = aidl::android::hardware::audio::effect::toString(
+                    std::get<PARAM_SCALING_MODE>(info.param));
+            std::string measurementMode = aidl::android::hardware::audio::effect::toString(
+                    std::get<PARAM_MEASUREMENT_MODE>(info.param));
+            std::string latency = std::to_string(std::get<PARAM_LATENCY>(info.param));
+
+            std::string name = getPrefix(descriptor) + "_captureSize" + captureSize +
+                               "_scalingMode" + scalingMode + "_measurementMode" + measurementMode +
+                               "_latency" + latency;
+            std::replace_if(
+                    name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
+            return name;
+        });
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(VisualizerDataTest);
+
 int main(int argc, char** argv) {
     ::testing::InitGoogleTest(&argc, argv);
     ::testing::UnitTest::GetInstance()->listeners().Append(new TestExecutionTracer());
diff --git a/authsecret/1.0/vts/functional/Android.bp b/authsecret/1.0/vts/functional/Android.bp
index 853b4dd..388cf3c 100644
--- a/authsecret/1.0/vts/functional/Android.bp
+++ b/authsecret/1.0/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/authsecret/aidl/vts/Android.bp b/authsecret/aidl/vts/Android.bp
index 5ec9947..bde1a40 100644
--- a/authsecret/aidl/vts/Android.bp
+++ b/authsecret/aidl/vts/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/automotive/TEST_MAPPING b/automotive/TEST_MAPPING
index 483a85f..2b2f6b0 100644
--- a/automotive/TEST_MAPPING
+++ b/automotive/TEST_MAPPING
@@ -64,7 +64,82 @@
       "name": "CarServiceTelemetryTest"
     },
     {
-      "name": "CarServiceUnitTest"
+      "name": "CarServiceCarUnitTest"
+    },
+    {
+      "name": "CarServiceWifiUnitTest"
+    },
+    {
+      "name": "CarServiceWatchdogUnitTest"
+    },
+    {
+      "name": "CarServiceVmsUnitTest"
+    },
+    {
+      "name": "CarServiceUtilUnitTest"
+    },
+    {
+      "name": "CarServiceUserUnitTest"
+    },
+    {
+      "name": "CarServiceTelemetryUnitTest"
+    },
+    {
+      "name": "CarServiceSystemUiUnitTest"
+    },
+    {
+      "name": "CarServiceSystemInterfaceUnitTest"
+    },
+    {
+      "name": "CarServiceStorageMonitoringUnitTest"
+    },
+    {
+      "name": "CarServiceStatsUnitTest"
+    },
+    {
+      "name": "CarServiceRemoteAccessUnitTest"
+    },
+    {
+      "name": "CarServicePropertyUnitTest"
+    },
+    {
+      "name": "CarServicePowerUnitTest"
+    },
+    {
+      "name": "CarServicePmUnitTest"
+    },
+    {
+      "name": "CarServiceOsUnitTest"
+    },
+    {
+      "name": "CarServiceOemUnitTest"
+    },
+    {
+      "name": "CarServiceOccupantConnectionUnitTest"
+    },
+    {
+      "name": "CarServiceHalUnitTest"
+    },
+    {
+      "name": "CarServiceGarageModeUnitTest"
+    },
+    {
+      "name": "CarServiceEvsUnitTest"
+    },
+    {
+      "name": "CarServiceClusterUnitTest"
+    },
+    {
+      "name": "CarServiceBluetoothUnitTest"
+    },
+    {
+      "name": "CarServiceAudioUnitTest"
+    },
+    {
+      "name": "CarServiceAmUnitTest"
+    },
+    {
+      "name": "CarServiceAdminUnitTest"
     },
     {
       "name": "CarServiceVmsTest"
diff --git a/automotive/can/1.0/default/libnetdevice/Android.bp b/automotive/can/1.0/default/libnetdevice/Android.bp
index affbeee..4131a65 100644
--- a/automotive/can/1.0/default/libnetdevice/Android.bp
+++ b/automotive/can/1.0/default/libnetdevice/Android.bp
@@ -23,11 +23,20 @@
     default_applicable_licenses: ["hardware_interfaces_license"],
 }
 
-cc_library_static {
-    name: "android.hardware.automotive.can@libnetdevice",
-    defaults: ["android.hardware.automotive.can@defaults"],
+cc_defaults {
+    name: "libnetdevice-common",
     host_supported: true,
     vendor_available: true,
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
+    ],
+    shared_libs: [
+        "libbase",
+        "libutils",
+    ],
     srcs: [
         "can.cpp",
         "common.cpp",
@@ -41,3 +50,14 @@
         "libnl++",
     ],
 }
+
+// TODO: migrate to "libnetdevice" and remove
+cc_library_static {
+    name: "android.hardware.automotive.can@libnetdevice",
+    defaults: ["libnetdevice-common"],
+}
+
+cc_library_static {
+    name: "libnetdevice",
+    defaults: ["libnetdevice-common"],
+}
diff --git a/automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h b/automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h
index 75655d5..15ff491 100644
--- a/automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h
+++ b/automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h
@@ -128,7 +128,8 @@
  * \param addr IPv4 address to set
  * \return true in case of success, false otherwise
  */
-bool setAddr4(std::string_view ifname, std::string_view addr);
+bool setAddr4(std::string_view ifname, std::string_view addr,
+              std::optional<uint8_t> prefixlen = std::nullopt);
 
 /**
  * Add new IPv4 address to a given interface.
diff --git a/automotive/can/1.0/default/libnetdevice/libnetdevice.cpp b/automotive/can/1.0/default/libnetdevice/libnetdevice.cpp
index 1830633..9bb1a57 100644
--- a/automotive/can/1.0/default/libnetdevice/libnetdevice.cpp
+++ b/automotive/can/1.0/default/libnetdevice/libnetdevice.cpp
@@ -93,14 +93,31 @@
     return addrn;
 }
 
-bool setAddr4(std::string_view ifname, std::string_view addr) {
-    auto ifr = ifreqs::fromName(ifname);
+static in_addr_t prefixLengthToIpv4Netmask(uint8_t prefixlen) {
+    in_addr_t zero = 0;
+    return htonl(~zero << (32 - prefixlen));
+}
 
-    struct sockaddr_in* ifrAddr = reinterpret_cast<sockaddr_in*>(&ifr.ifr_addr);
+bool setAddr4(std::string_view ifname, std::string_view addr, std::optional<uint8_t> prefixlen) {
+    auto ifr = ifreqs::fromName(ifname);
+    auto ifrAddr = reinterpret_cast<sockaddr_in*>(&ifr.ifr_addr);
     ifrAddr->sin_family = AF_INET;
     ifrAddr->sin_addr.s_addr = inetAddr(addr);
+    if (!ifreqs::send(SIOCSIFADDR, ifr)) return false;
 
-    return ifreqs::send(SIOCSIFADDR, ifr);
+    if (prefixlen.has_value()) {
+        if (*prefixlen < 0 || *prefixlen > 32) {
+            LOG(ERROR) << "Invalid prefix length: " << *prefixlen;
+            return false;
+        }
+        ifr = ifreqs::fromName(ifname);
+        auto ifrNetmask = reinterpret_cast<sockaddr_in*>(&ifr.ifr_netmask);
+        ifrNetmask->sin_family = AF_INET;
+        ifrNetmask->sin_addr.s_addr = prefixLengthToIpv4Netmask(*prefixlen);
+        if (!ifreqs::send(SIOCSIFNETMASK, ifr)) return false;
+    }
+
+    return true;
 }
 
 bool addAddr4(std::string_view ifname, std::string_view addr, uint8_t prefixlen) {
diff --git a/automotive/can/1.0/default/libnl++/Android.bp b/automotive/can/1.0/default/libnl++/Android.bp
index 5e3168a..ade4ae0 100644
--- a/automotive/can/1.0/default/libnl++/Android.bp
+++ b/automotive/can/1.0/default/libnl++/Android.bp
@@ -25,9 +25,18 @@
 
 cc_library_static {
     name: "libnl++",
-    defaults: ["android.hardware.automotive.can@defaults"],
     host_supported: true,
     vendor_available: true,
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-DANDROID_BASE_UNIQUE_FD_DISABLE_IMPLICIT_CONVERSION",
+    ],
+    shared_libs: [
+        "libbase",
+        "libutils",
+    ],
     srcs: [
         "protocols/common/Empty.cpp",
         "protocols/common/Error.cpp",
diff --git a/automotive/evs/aidl/Android.bp b/automotive/evs/aidl/Android.bp
index 75eb924..8983ae4 100644
--- a/automotive/evs/aidl/Android.bp
+++ b/automotive/evs/aidl/Android.bp
@@ -55,14 +55,14 @@
             version: "1",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
             version: "2",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
 
diff --git a/automotive/vehicle/TEST_MAPPING b/automotive/vehicle/TEST_MAPPING
index d848774..56bc047 100644
--- a/automotive/vehicle/TEST_MAPPING
+++ b/automotive/vehicle/TEST_MAPPING
@@ -48,12 +48,7 @@
       "name": "GRPCVehicleHardwareUnitTest"
     },
     {
-      "name": "CarServiceUnitTest",
-      "options" : [
-        {
-          "include-filter": "com.android.car.hal.fakevhal.FakeVehicleStubUnitTest"
-        }
-      ]
+      "name": "CarServiceHalUnitTest"
     },
     {
       "name": "VehicleHalProtoMessageConverterTest"
diff --git a/automotive/vehicle/aidl/Android.bp b/automotive/vehicle/aidl/Android.bp
index ce9e7a1..4b2d2b8 100644
--- a/automotive/vehicle/aidl/Android.bp
+++ b/automotive/vehicle/aidl/Android.bp
@@ -27,7 +27,7 @@
     srcs: [
         "android/hardware/automotive/vehicle/*.aidl",
     ],
-    frozen: true,
+    frozen: false,
     stability: "vintf",
     backend: {
         cpp: {
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl
new file mode 100644
index 0000000..e9633cc
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
+parcelable HasSupportedValueInfo {
+  boolean hasMinSupportedValue;
+  boolean hasMaxSupportedValue;
+  boolean hasSupportedValuesList;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicle.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicle.aidl
index b5f62aa..ee58416 100644
--- a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicle.aidl
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicle.aidl
@@ -41,6 +41,10 @@
   void subscribe(in android.hardware.automotive.vehicle.IVehicleCallback callback, in android.hardware.automotive.vehicle.SubscribeOptions[] options, int maxSharedMemoryFileCount);
   void unsubscribe(in android.hardware.automotive.vehicle.IVehicleCallback callback, in int[] propIds);
   void returnSharedMemory(in android.hardware.automotive.vehicle.IVehicleCallback callback, long sharedMemoryId);
+  android.hardware.automotive.vehicle.SupportedValuesListResults getSupportedValuesLists(in List<android.hardware.automotive.vehicle.PropIdAreaId> propIdAreaIds);
+  android.hardware.automotive.vehicle.MinMaxSupportedValueResults getMinMaxSupportedValue(in List<android.hardware.automotive.vehicle.PropIdAreaId> propIdAreaIds);
+  void registerSupportedValueChangeCallback(in android.hardware.automotive.vehicle.IVehicleCallback callback, in List<android.hardware.automotive.vehicle.PropIdAreaId> propIdAreaIds);
+  void unregisterSupportedValueChangeCallback(in android.hardware.automotive.vehicle.IVehicleCallback callback, in List<android.hardware.automotive.vehicle.PropIdAreaId> propIdAreaIds);
   const long INVALID_MEMORY_ID = 0;
   const int MAX_SHARED_MEMORY_FILES_PER_CLIENT = 3;
 }
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicleCallback.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicleCallback.aidl
index 2c5a333..50a8e76 100644
--- a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicleCallback.aidl
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/IVehicleCallback.aidl
@@ -38,4 +38,5 @@
   oneway void onSetValues(in android.hardware.automotive.vehicle.SetValueResults responses);
   oneway void onPropertyEvent(in android.hardware.automotive.vehicle.VehiclePropValues propValues, int sharedMemoryFileCount);
   oneway void onPropertySetError(in android.hardware.automotive.vehicle.VehiclePropErrors errors);
+  oneway void onSupportedValueChange(in List<android.hardware.automotive.vehicle.PropIdAreaId> propIdAreaIds);
 }
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl
new file mode 100644
index 0000000..a004b79
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
+parcelable MinMaxSupportedValueResult {
+  android.hardware.automotive.vehicle.StatusCode status = android.hardware.automotive.vehicle.StatusCode.OK;
+  @nullable android.hardware.automotive.vehicle.RawPropValues minSupportedValue;
+  @nullable android.hardware.automotive.vehicle.RawPropValues maxSupportedValue;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl
new file mode 100644
index 0000000..914d9c6
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @VintfStability
+parcelable MinMaxSupportedValueResults {
+  android.hardware.automotive.vehicle.MinMaxSupportedValueResult[] payloads;
+  @nullable ParcelFileDescriptor sharedMemoryFd;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/PropIdAreaId.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/PropIdAreaId.aidl
new file mode 100644
index 0000000..83e9c15
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/PropIdAreaId.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
+parcelable PropIdAreaId {
+  int propId;
+  int areaId;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl
new file mode 100644
index 0000000..f348dcb
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
+parcelable SupportedValuesListResult {
+  android.hardware.automotive.vehicle.StatusCode status = android.hardware.automotive.vehicle.StatusCode.OK;
+  @nullable List<android.hardware.automotive.vehicle.RawPropValues> supportedValuesList;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl
new file mode 100644
index 0000000..08af47c
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @VintfStability
+parcelable SupportedValuesListResults {
+  android.hardware.automotive.vehicle.SupportedValuesListResult[] payloads;
+  @nullable ParcelFileDescriptor sharedMemoryFd;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/ValueRange.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/ValueRange.aidl
new file mode 100644
index 0000000..077652b
--- /dev/null
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/ValueRange.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
+parcelable ValueRange {
+  @nullable android.hardware.automotive.vehicle.RawPropValues minValue;
+  @nullable android.hardware.automotive.vehicle.RawPropValues maxValue;
+  @nullable List<android.hardware.automotive.vehicle.RawPropValues> supportedValues;
+}
diff --git a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
index eb3028e..e3f8605 100644
--- a/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
+++ b/automotive/vehicle/aidl/aidl_api/android.hardware.automotive.vehicle/current/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
@@ -35,13 +35,35 @@
 @JavaDerive(equals=true, toString=true) @RustDerive(Clone=true) @VintfStability
 parcelable VehicleAreaConfig {
   int areaId;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code INT32} type property. Ignored for other types. The optional minimum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the min supported value ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minInt32Value} and {@code maxInt32Value} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   int minInt32Value;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code INT32} type property. Ignored for other types. The optional maximum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the max supported value ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minInt32Value} and {@code maxInt32Value} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   int maxInt32Value;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code INT64} type property. Ignored for other types. The optional minimum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the min supported value ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minInt64Value} and {@code maxInt64Value} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   long minInt64Value;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code INT64} type property. Ignored for other types. The optional maximum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the max supported value ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minInt64Value} and {@code maxInt64Value} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   long maxInt64Value;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code FLOAT} type property. Ignored for other types. The optional minimum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the min supported value ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minFloatValue} and {@code maxFloatValue} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   float minFloatValue;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for {@code FLOAT} type property. Ignored for other types. The optional maximum value at boot time. For backward compatibility, if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true}, and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true}, this must be equal to the max supported value ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time. If no minimum or maximum value is available at boot time, both {@code minFloatValue} and {@code maxFloatValue} must be set to 0. If either one is not 0, then we assume min and max both take effect.
+   */
   float maxFloatValue;
+  /**
+   * @deprecated client should use {@code getMinMaxSupportedValue} instead. Only applicable for property with {@code @data_enum} annotation. Ignored for other properties. Optional supported subset of supported values at boot time. If the property has a @data_enum and supportedEnumValues is {@code null}, then it is assumed all @data_enum values are supported unless specified through another mechanism. For backward compatibility, if {@code HasSupportedValueInfo.hasSupportedValuesList} is {@code true} and this property has {@code data_enum} annotation, this must be set to the same as {@code SupportedValuesListResult.supportedValuesList} at boot time.
+   */
   @nullable long[] supportedEnumValues;
   android.hardware.automotive.vehicle.VehiclePropertyAccess access = android.hardware.automotive.vehicle.VehiclePropertyAccess.NONE;
   boolean supportVariableUpdateRate;
+  @nullable android.hardware.automotive.vehicle.HasSupportedValueInfo hasSupportedValueInfo;
 }
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl
new file mode 100644
index 0000000..991631b
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/HasSupportedValueInfo.aidl
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+/**
+ * Whether the [propId, areaId] has min/max supported value or supported values
+ * list specified.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+@RustDerive(Clone=true)
+parcelable HasSupportedValueInfo {
+    /**
+     * Whether [propId, areaId] has min supported value specified.
+     *
+     * If this is {@code true}, the hardware specifies a min supported value.
+     * If {@code MinMaxSupportedValueResult}'s {@code status} is
+     * {@code StatusCode.OK}, its {@code minSupportedValue} must not be
+     * {@code null}.
+     *
+     * If this is {@code false}, {@code minSupportedValue} must be {@code null}.
+     *
+     * Unless otherwise specified, this field is set to {@code false} for any
+     * properties whose type is not int32, int64 or float.
+     *
+     * For certain properties, e.g. {@code EV_BRAKE_REGENERATION_LEVEL}, this
+     * must always be {@code true}. Check {@code VehicleProperty}
+     * documentation.
+     */
+    boolean hasMinSupportedValue;
+
+    /**
+     * Whether [propId, areaId] has max supported value specified.
+     *
+     * If this is {@code true}, the hardware specifies a max supported value.
+     * If {@code MinMaxSupportedValueResult}'s {@code status} is
+     * {@code StatusCode.OK}, its {@code maxSupportedValue} must not be
+     * {@code null}.
+     *
+     * If this is {@code false}, {@code maxSupportedValue} must be {@code null}.
+     *
+     * Unless otherwise specified, this field is set to {@code false} for any
+     * properties whose type is not int32, int64 or float.
+     *
+     * For certain properties, e.g. {@code EV_BRAKE_REGENERATION_LEVEL}, this
+     * must always be {@code true}. Check {@code VehicleProperty}
+     * documentation.
+     */
+    boolean hasMaxSupportedValue;
+
+    /**
+     * Whether [propId, areaId] has supported values list specified.
+     *
+     * If this is {@code true}, it means the hardware specifies supported
+     * values for this property.
+     * If {@code SupportedValueListResult}'s {@code status} is
+     * {@code StatusCode.OK}, its {@code supportedValuesList} must not be
+     * {@code null}.
+     *
+     * If this is {@code false}, {@code supportedValuesList} must always be
+     * {@code null}.
+     *
+     * The supported value is the superset for both the input value for writable
+     * property and the output value for readable property.
+     *
+     * For certain properties, e.g. {@code GEAR_SELECTION}, this must always be
+     * {@code true}. Check {@code VehicleProperty} documentation.
+     */
+    boolean hasSupportedValuesList;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicle.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicle.aidl
index c896d14..220b1da 100644
--- a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicle.aidl
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicle.aidl
@@ -18,8 +18,11 @@
 
 import android.hardware.automotive.vehicle.GetValueRequests;
 import android.hardware.automotive.vehicle.IVehicleCallback;
+import android.hardware.automotive.vehicle.MinMaxSupportedValueResults;
+import android.hardware.automotive.vehicle.PropIdAreaId;
 import android.hardware.automotive.vehicle.SetValueRequests;
 import android.hardware.automotive.vehicle.SubscribeOptions;
+import android.hardware.automotive.vehicle.SupportedValuesListResults;
 import android.hardware.automotive.vehicle.VehiclePropConfigs;
 
 // Vehicle HAL interface.
@@ -260,4 +263,106 @@
      *    the used shared memory file to return.
      */
     void returnSharedMemory(in IVehicleCallback callback, long sharedMemoryId);
+
+    /**
+     * Gets the supported values lists for [propId, areaId]s.
+     *
+     * For a specific [propId, areaId], if the hardware currently specifies
+     * a list of supported values for it, then it is returned through the
+     * {@code supportedValuesList} field inside
+     * {@code SupportedValuesListResult}. If the hardware does not specify
+     * a list of supported values for it (indicated by
+     * {@code HasSupportedValueInfo.hasSupportedValuesList} being
+     * {@code false}), then {@code supportedValuesList} field will be
+     * {@code null}.
+     *
+     * The supported value list applies for both read/write operations. if
+     * it differs for read/write, this is the super-set.
+     *
+     * Must return a list of results, one for each requested [propId, areaId].
+     *
+     * The returned supported values list represents the currently supported
+     * values and may change dynamically. Caller should use
+     * {@code registerSupportedValueChangeCallback} to register for supported
+     * value range change.
+     *
+     * If unable to determine the supported values for some [propId, areaId] due
+     * to error cases, for example, unable to determine EV_CHARGE_PERCENT_LIMIT
+     * supported values due to battery in an error state,
+     * {@code SupportedValuesListResult.status} for that should be set to
+     * a non-okay {@code StatusCode}.
+     *
+     * If one of the [propId, areaId] is not supported,
+     * {@code SupportedValuesListResult.status} for that should be set to
+     * {@code StatusCode.INVALID_ARG}.
+     *
+     * This function should only return non-okay {@code StatusCode} if the whole
+     * operation failed and unable to get any results.
+     */
+    SupportedValuesListResults getSupportedValuesLists(in List<PropIdAreaId> propIdAreaIds);
+
+    /**
+     * Gets the min/max supported values for [propId, areaId]s.
+     *
+     * For a specific [propId, areaId], if the hardware currently specifies
+     * min/max supported value for it, then it is returned through the
+     * {@code minSupportedValue} or {@code maxSupportedValue} field inside
+     * {@code MinMaxSupportedValueResult}. If the hardware does not specify
+     * min/max supported value for it (indicated by
+     * {@code HasSupportedValueInfo.hasMinSupportedValue} or
+     * {@code HasSupportedValueInfo.hasMaxSupportedValue} being
+     * {@code false}), then {@code minSupportedValue} or
+     * {@code maxSupportedValue} is {@code null}.
+     *
+     * The min/max supported values apply for both read/write operations. if
+     * they differs for read/write, they are from the super-set.
+     *
+     * Must return a list of results, one for each requested [propId, areaId].
+     *
+     * The returned min/max supported values represent the currently supported
+     * values and may change dynamically. Caller should use
+     * {@code registerSupportedValueChangeCallback} to register for supported
+     * value range change.
+     *
+     * If unable to determine the supported values for some [propId, areaId] due
+     * to error cases, for example, unable to determine HVAC_FAN_SPEED
+     * max supported value due to HVAC in an error state,
+     * {@code MinMaxSupportedValueResult.status} for that should be set to
+     * a non-okay {@code StatusCode}.
+     *
+     * If one of the [propId, areaId] is not supported,
+     * {@code MinMaxSupportedValueResult.status} for that should be set to
+     * {@code StatusCode.INVALID_ARG}.
+     *
+     * This function should only return non-okay {@code StatusCode} if the whole
+     * operation failed and unable to get any results.
+     */
+    MinMaxSupportedValueResults getMinMaxSupportedValue(in List<PropIdAreaId> propIdAreaIds);
+
+    /**
+     * Registers the supported value change callback.
+     *
+     * For the specified [propId, areaId]s,
+     * {@code callback.onSupportedValueChange} must be invoked if change
+     * happens.
+     *
+     * This always registers a new callback for the specified [propId, areaId]s
+     * if the same callback was not previously registered for them.
+     *
+     * The list of [propId, areaId]s to register must not be empty.
+     *
+     * @param callback The callback for supported value change.
+     * @param propIdAreaIds A list of [propId, areaId]s to register.
+     */
+    void registerSupportedValueChangeCallback(
+            in IVehicleCallback callback, in List<PropIdAreaId> propIdAreaIds);
+
+    /**
+     * Unregisters the supported value change callback.
+     *
+     * @param callback The callback to unregister.
+     * @param propIdAreaIds A list of [propId, areaId]s to unregister.
+     */
+    void unregisterSupportedValueChangeCallback(
+            in IVehicleCallback callback, in List<PropIdAreaId> propIdAreaIds);
 }
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicleCallback.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicleCallback.aidl
index 2b50321..7230d09 100644
--- a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicleCallback.aidl
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/IVehicleCallback.aidl
@@ -17,6 +17,7 @@
 package android.hardware.automotive.vehicle;
 
 import android.hardware.automotive.vehicle.GetValueResults;
+import android.hardware.automotive.vehicle.PropIdAreaId;
 import android.hardware.automotive.vehicle.SetValueResults;
 import android.hardware.automotive.vehicle.StatusCode;
 import android.hardware.automotive.vehicle.VehiclePropErrors;
@@ -96,4 +97,16 @@
      *     does not batch the errors, this may only contain one error.
      */
     oneway void onPropertySetError(in VehiclePropErrors errors);
+
+    /**
+     * Called when the min/max supported value or supported value list for
+     * the registered [propId, areaId]s changes.
+     *
+     * The caller is supposed to call {@code getMinMaxSupportedValue} or
+     * {@code getSupportedValuesLists} to get the new supported value range.
+     *
+     * @param propIdAreaIds The list of [propId, areaId]s whose supported
+     *    value range changes.
+     */
+    oneway void onSupportedValueChange(in List<PropIdAreaId> propIdAreaIds);
 }
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl
new file mode 100644
index 0000000..f85ad3a
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResult.aidl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.RawPropValues;
+import android.hardware.automotive.vehicle.StatusCode;
+
+/**
+ * One result returned from {@code getMinMaxSupportedValue} for one request.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+@RustDerive(Clone=true)
+parcelable MinMaxSupportedValueResult {
+    /**
+     * The status for result. If this is not OK, the operation failed for this
+     * [propId, areaId].
+     */
+    StatusCode status = StatusCode.OK;
+    /**
+     * The min supported value.
+     *
+     * If the [propId, areaId] does not specify a min supported value, this
+     * is {@code null}.
+     */
+    @nullable RawPropValues minSupportedValue;
+    /**
+     * The max supported value.
+     *
+     * If the [propId, areaId] does not specify a max supported value, this
+     * is {@code null}.
+     */
+    @nullable RawPropValues maxSupportedValue;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl
new file mode 100644
index 0000000..3579979
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/MinMaxSupportedValueResults.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.MinMaxSupportedValueResult;
+import android.os.ParcelFileDescriptor;
+
+/**
+ * The result structure for {@code getMinMaxSupportedValue}.
+ *
+ * Contains a list of results, one for each [propId, areaId] request. The
+ * list must contain the same number of result as the {@code propIdAreaIds}.
+ * The result must be in the same order, e.g. the first result is for the first
+ * [propId, areaId].
+ *
+ * Java Client should use
+ * {@link LargeParcelable.reconstructStableAIDLParcelable} to convert this back
+ * to a regular parcelable and then use the converted parcelable's
+ * {@code payloads} field.
+ *
+ * Native client should use
+ * {@link LargeParcelable::stableLargeParcelableToParcelable}.
+ *
+ * VHAL implementation must store the results into {@link payloads} field and
+ * use {@link LargeParcelable::parcelableToStableLargeParcelable} before
+ * sending the converted large parcelable through binder.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+parcelable MinMaxSupportedValueResults {
+    /**
+     * The list of responses if they fit the binder memory limitation.
+     */
+    MinMaxSupportedValueResult[] payloads;
+    /**
+     * Shared memory file to store responses if they exceed binder memory
+     * limitation. Created by VHAL, readable only for the client.
+     * The client must close it after reading.
+     */
+    @nullable ParcelFileDescriptor sharedMemoryFd;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/PropIdAreaId.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/PropIdAreaId.aidl
new file mode 100644
index 0000000..ea47350
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/PropIdAreaId.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.RawPropValues;
+
+/**
+ * A structure containing one propertyId and one areaId.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+@RustDerive(Clone=true)
+parcelable PropIdAreaId {
+    /** The property Id. */
+    int propId;
+    /** The area Id. */
+    int areaId;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl
new file mode 100644
index 0000000..4524f4f
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResult.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.RawPropValues;
+import android.hardware.automotive.vehicle.StatusCode;
+
+/**
+ * One result returned from {@code getSupportedValuesLists} for one request.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+@RustDerive(Clone=true)
+parcelable SupportedValuesListResult {
+    /**
+     * The status for result. If this is not OK, the operation failed for this
+     * [propId, areaId].
+     */
+    StatusCode status = StatusCode.OK;
+    /**
+     * The supported values list.
+     *
+     * If the [propId, areaId] does not specify a supported values list, this
+     * is {@code null}.
+     */
+    @nullable List<RawPropValues> supportedValuesList;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl
new file mode 100644
index 0000000..da84871
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/SupportedValuesListResults.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.SupportedValuesListResult;
+import android.os.ParcelFileDescriptor;
+
+/**
+ * The result structure for {@code getSupportedValuesLists}.
+ *
+ * Contains a list of results, one for each [propId, areaId] request. The
+ * list must contain the same number of result as the {@code propIdAreaIds}.
+ * The result must be in the same order, e.g. the first result is for the first
+ * [propId, areaId].
+ *
+ * Java Client should use
+ * {@link LargeParcelable.reconstructStableAIDLParcelable} to convert this back
+ * to a regular parcelable and then use the converted parcelable's
+ * {@code payloads} field.
+ *
+ * Native client should use
+ * {@link LargeParcelable::stableLargeParcelableToParcelable}.
+ *
+ * VHAL implementation must store the results into {@link payloads} field and
+ * use {@link LargeParcelable::parcelableToStableLargeParcelable} before
+ * sending the converted large parcelable through binder.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+parcelable SupportedValuesListResults {
+    /**
+     * The list of responses if they fit the binder memory limitation.
+     */
+    SupportedValuesListResult[] payloads;
+    /**
+     * Shared memory file to store responses if they exceed binder memory
+     * limitation. Created by VHAL, readable only for the client.
+     * The client must close it after reading.
+     */
+    @nullable ParcelFileDescriptor sharedMemoryFd;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/ValueRange.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/ValueRange.aidl
new file mode 100644
index 0000000..816a6a8
--- /dev/null
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/ValueRange.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.vehicle;
+
+import android.hardware.automotive.vehicle.RawPropValues;
+
+/**
+ * Represents the value range for a vehicle property.
+ *
+ * This applies for the values read from VHAL and the values sent to VHAL.
+ *
+ * If the value range differs, this is the super set.
+ */
+@VintfStability
+@JavaDerive(equals=true, toString=true)
+@RustDerive(Clone=true)
+parcelable ValueRange {
+    /**
+     * The currently specified minimum value for the property.
+     *
+     * {@code null} if not specified.
+     */
+    @nullable RawPropValues minValue;
+
+    /**
+     * The currently specified maximum value for the property.
+     *
+     * {@code null} if not specified.
+     */
+    @nullable RawPropValues maxValue;
+
+    /**
+     * The currently specified supported values for the property.
+     *
+     * If the value type is int32, int64 or float, the returned list must be
+     * sorted in ascending order.
+     *
+     * {@code null} if not specified.
+     */
+    @nullable List<RawPropValues> supportedValues;
+}
diff --git a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
index 9387965..62d7e21 100644
--- a/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
+++ b/automotive/vehicle/aidl/android/hardware/automotive/vehicle/VehicleAreaConfig.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.automotive.vehicle;
 
+import android.hardware.automotive.vehicle.HasSupportedValueInfo;
 import android.hardware.automotive.vehicle.VehiclePropertyAccess;
 
 @VintfStability
@@ -28,26 +29,142 @@
     int areaId;
 
     /**
-     * If the property has @data_enum, leave the range to zero.
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
      *
-     * Range will be ignored in the following cases:
-     *    - The VehiclePropertyType is not INT32, INT64 or FLOAT.
-     *    - Both of min value and max value are zero.
+     * Only applicable for {@code INT32} type property. Ignored for other types.
+     *
+     * The optional minimum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the min supported value
+     * ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minInt32Value} and {@code maxInt32Value} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
      */
-
     int minInt32Value;
+
+    /**
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for {@code INT32} type property. Ignored for other types.
+     *
+     * The optional maximum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the max supported value
+     * ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minInt32Value} and {@code maxInt32Value} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
+     */
     int maxInt32Value;
 
+    /**
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for {@code INT64} type property. Ignored for other types.
+     *
+     * The optional minimum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the min supported value
+     * ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minInt64Value} and {@code maxInt64Value} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
+     */
     long minInt64Value;
+
+    /**
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for {@code INT64} type property. Ignored for other types.
+     *
+     * The optional maximum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the max supported value
+     * ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minInt64Value} and {@code maxInt64Value} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
+     */
     long maxInt64Value;
 
+    /**
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for {@code FLOAT} type property. Ignored for other types.
+     *
+     * The optional minimum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the min supported value
+     * ({@code MinMaxSupportedValueResult.minSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minFloatValue} and {@code maxFloatValue} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
+     */
     float minFloatValue;
+
+    /**
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for {@code FLOAT} type property. Ignored for other types.
+     *
+     * The optional maximum value at boot time.
+     *
+     * For backward compatibility,
+     * if {@code HasSupportedValueInfo.hasMinSupportedValue} is {@code true},
+     * and {@code HasSupportedValueInfo.hasMaxSupportedValue} is {@code true},
+     * this must be equal to the max supported value
+     * ({@code MinMaxSupportedValueResult.maxSupportedValue}) at boot time.
+     *
+     * If no minimum or maximum value is available at boot time, both
+     * {@code minFloatValue} and {@code maxFloatValue} must be set to 0.
+     *
+     * If either one is not 0, then we assume min and max both take effect.
+     */
     float maxFloatValue;
 
     /**
-     * If the property has a @data_enum, then it is possible to specify a supported subset of the
-     * @data_enum. If the property has a @data_enum and supportedEnumValues is null, then it is
-     * assumed all @data_enum values are supported unless specified through another mechanism.
+     * @deprecated client should use {@code getMinMaxSupportedValue} instead.
+     *
+     * Only applicable for property with {@code @data_enum} annotation. Ignored
+     * for other properties.
+     *
+     * Optional supported subset of supported values at boot time.
+     *
+     * If the property has a @data_enum and supportedEnumValues is {@code null},
+     * then it is assumed all @data_enum values are supported unless specified
+     * through another mechanism.
+     *
+     * For backward compatibility, if
+     * {@code HasSupportedValueInfo.hasSupportedValuesList} is {@code true}
+     * and this property has {@code data_enum} annotation,
+     * this must be set to the same as
+     * {@code SupportedValuesListResult.supportedValuesList} at boot time.
      */
     @nullable long[] supportedEnumValues;
 
@@ -83,6 +200,8 @@
     /**
      * Whether variable update rate is supported.
      *
+     * This is always {@code false} for VHAL implementation < V3.
+     *
      * This applies for continuous property only.
      *
      * It is HIGHLY RECOMMENDED to support variable update rate for all non-heartbeat continuous
@@ -109,4 +228,12 @@
      * so this should be false if the property is large (e.g. a byte array of 1k in size).
      */
     boolean supportVariableUpdateRate;
+
+    /**
+     * For VHAL implementation >= V4, this must not be {@code null}. This specifies whether
+     * this property may have min/max supported value or supported values list.
+     *
+     * For VHAL implementation < V4, this is always {@code null} and is not accessed.
+     */
+    @nullable HasSupportedValueInfo hasSupportedValueInfo;
 }
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 8ef440d..9bbeb9a 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
@@ -194,7 +194,7 @@
             {
                 "name": "Tire pressure",
                 "value": 392168201,
-                "description": "Tire pressure\nEach tires is identified by its areaConfig.areaId config and their minFloatValue\/maxFloatValue are used to store OEM recommended pressure range. The minFloatValue and maxFloatValue in VehicleAreaConfig must be defined. The minFloatValue in the areaConfig data represents the lower bound of the recommended tire pressure. The maxFloatValue in the areaConfig data represents the upper bound of the recommended tire pressure. For example: The following areaConfig indicates the recommended tire pressure of left_front tire is from 200.0 KILOPASCAL to 240.0 KILOPASCAL. .areaConfigs = { VehicleAreaConfig { .areaId = VehicleAreaWheel::LEFT_FRONT, .minFloatValue = 200.0, .maxFloatValue = 240.0, } },"
+                "description": "Tire pressure\n{@code HasSupportedValueInfo.hasMinSupportedValue} and {@code HasSupportedValueInfo.hasMaxSupportedValue} must be {@code true} for all areas.\n{@code MinMaxSupportedValueResult.minSupportedValue} represents the lower bound of the recommended tire pressure for the tire at the specified area ID.\n{@code MinMaxSupportedValueResult.maxSupportedValue} represents the upper bound of the recommended tire pressure for the tire at the specified area ID.\nFor example, if the recommended tire pressure of left_front tire is from 200.0 KILOPASCAL to 240.0 KILOPASCAL, {@code getMinMaxSupportedValue} for [propId=TIRE_PRESSURE, areaId=VehicleAreaWheel::LEFT_FRONT] must return a {@code MinMaxSupportedValueResult} with OK status, 200.0 as minSupportedValue, 240.0 as maxSupportedValue.\nFor backward compatibility, minFloatValue and maxFloatValue in {@code VehicleAreaConfig} must be set to the same as minSupportedValue and maxSupportedValue at boot time.\nEach tire is identified by its areaConfig.areaId config.\nFor example: .areaConfigs = { VehicleAreaConfig { .areaId = VehicleAreaWheel::LEFT_FRONT, .minFloatValue = 200.0, .maxFloatValue = 240.0, } },"
             },
             {
                 "name": "Critically low tire pressure",
@@ -213,7 +213,7 @@
                     "ImpactSensorLocation"
                 ],
                 "data_enum": "ImpactSensorLocation",
-                "description": "Impact detected.\nBit flag property to relay information on whether an impact has occurred on a particular side of the vehicle as described through the ImpactSensorLocation enum. As a bit flag property, this property can be set to multiple ORed together values of the enum when necessary.\nFor the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined unless all bit flags of ImpactSensorLocation are supported."
+                "description": "Impact detected.\nBit flag property to relay information on whether an impact has occurred on a particular side of the vehicle as described through the ImpactSensorLocation enum. As a bit flag property, this property can be set to multiple ORed together values of the enum when necessary.\nFor the global area ID (0), {@code getSupportedValuesList} must return a {@code SupportedValuesListResult} that contains supported values unless all bit flags of ImpactSensorLocation are supported.\nFor backward compatibility, if {@code SupportedValuesListResult} is defined, {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values."
             },
             {
                 "name": "Currently selected gear",
@@ -222,7 +222,7 @@
                     "VehicleGear"
                 ],
                 "data_enum": "VehicleGear",
-                "description": "Currently selected gear\nThis is the gear selected by the user.\nValues in the config data must represent the list of supported gears for this vehicle. For example, config data for an automatic transmission must contain {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_DRIVE, GEAR_1, GEAR_2,...} and for manual transmission the list must be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}\nIn the case of an automatic transmission vehicle that allows the driver to select specific gears on demand (i.e. \"manual mode\"), GEAR_SELECTION's value must be set to the specific gear selected by the driver instead of simply GEAR_DRIVE."
+                "description": "Currently selected gear\nThis is the gear selected by the user.\n{@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID (0) must be {@code true}.\n{@code getSupportedValuesList} for [GEAR_SELECTION, areaId=0] must return a {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList}.\nThe supportedValues must represent the list of supported gears for this vehicle. For example, for an automatic transmission, the list can be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_DRIVE, GEAR_1, GEAR_2,...} and for manual transmission it can be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}.\nIn the case of an automatic transmission vehicle that allows the driver to select specific gears on demand (i.e. \"manual mode\"), GEAR_SELECTION's value must be set to the specific gear selected by the driver instead of simply GEAR_DRIVE.\nFor backward compatibility, config array for this property must be a list of values same as the supported values at boot-time."
             },
             {
                 "name": "CURRENT_GEAR",
@@ -231,7 +231,7 @@
                     "VehicleGear"
                 ],
                 "data_enum": "VehicleGear",
-                "description": "Current gear. In non-manual case, selected gear may not match the current gear. For example, if the selected gear is GEAR_DRIVE, the current gear will be one of GEAR_1, GEAR_2 etc, which reflects the actual gear the transmission is currently running in.\nValues in the config data must represent the list of supported gears for this vehicle.  For example, config data for an automatic transmission must contain {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_1, GEAR_2,...} and for manual transmission the list must be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}. This list need not be the same as that of the supported gears reported in GEAR_SELECTION."
+                "description": "Current gear. In non-manual case, selected gear may not match the current gear. For example, if the selected gear is GEAR_DRIVE, the current gear will be one of GEAR_1, GEAR_2 etc, which reflects the actual gear the transmission is currently running in.\n{@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID (0) must be {@code true}.\n{@code getSupportedValuesList} for [GEAR_SELECTION, areaId=0] must return a {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList}.\nThe supported values list must represent the list of supported gears for this vehicle.  For example, for an automatic transmission, this list can be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_1, GEAR_2,...} and for manual transmission the list can be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}. This list need not be the same as that of the supported gears reported in GEAR_SELECTION.\nFor backward compatibility, config array for this property must be a list of values same as the supported values at boot-time."
             },
             {
                 "name": "Parking brake state.",
@@ -246,7 +246,7 @@
             {
                 "name": "EV_BRAKE_REGENERATION_LEVEL",
                 "value": 289408012,
-                "description": "Regenerative braking level of a electronic vehicle\nThe maxInt32Value and minInt32Value in VehicleAreaConfig must be defined. All values between minInt32Value and maxInt32Value must be supported. The minInt32Value must be 0.\nThe maxInt32Value indicates the setting for the maximum amount of energy regenerated from braking. The minInt32Value indicates the setting for no regenerative braking.\nThis property is a more granular form of EV_REGENERATIVE_BRAKING_STATE. It allows the user to set a more specific level of regenerative braking if the states in EvRegenerativeBrakingState are not granular enough for the OEM.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
+                "description": "Regenerative braking level of a electronic vehicle\n{@code HasSupportedValueInfo.hasMinSupportedValue} and {@code HasSupportedValueInfo.hasMaxSupportedValue} must be {@code true} for global area ID(0)\n{@code MinMaxSupportedValueResult.minSupportedValue} must be 0.\n{@code MinMaxSupportedValueResult.maxSupportedValue} indicates the setting for the maximum amount of energy regenerated from braking. The minSupportedValue indicates the setting for no regenerative braking.\nAll values between min and max supported value must be supported.\nFor backward compatibility, minInt32Value and maxInt32Value in {@code VehicleAreaConfig} must be set to the same as minSupportedValue and maxSupportedValue at boot time.\nThis property is a more granular form of EV_REGENERATIVE_BRAKING_STATE. It allows the user to set a more specific level of regenerative braking if the states in EvRegenerativeBrakingState are not granular enough for the OEM.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
             },
             {
                 "name": "Warning for fuel low level.",
@@ -293,7 +293,7 @@
                     "EvStoppingMode"
                 ],
                 "data_enum": "EvStoppingMode",
-                "description": "Represents property for the current stopping mode of the vehicle.\nFor the global area ID (0), the VehicleAreaConfig#supportedEnumValues must be defined unless all enum values of EvStoppingMode are supported.\nThe EvStoppingMode enum may be extended to include more states in the future.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
+                "description": "Represents property for the current stopping mode of the vehicle.\nFor the global area ID (0), {@code getSupportedValuesList} must return a {@code SupportedValuesListResult} that contains supported values unless all enum values of EvStoppingMode are supported.\nFor backward compatibility, if {@code SupportedValuesListResult} is defined, {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values.\nThe EvStoppingMode enum may be extended to include more states in the future.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
             },
             {
                 "name": "ELECTRONIC_STABILITY_CONTROL_ENABLED",
@@ -308,7 +308,7 @@
                     "ErrorState"
                 ],
                 "data_enum": "ElectronicStabilityControlState",
-                "description": "Electronic Stability Control (ESC) state.\nReturns the current state of ESC. This property must always return a valid state defined in ElectronicStabilityControlState or ErrorState. It must not surface errors through StatusCode and must use the supported error states instead.\nFor the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined unless all states of both ElectronicStabilityControlState (including OTHER, which is not recommended) and ErrorState are supported."
+                "description": "Electronic Stability Control (ESC) state.\nReturns the current state of ESC. This property must always return a valid state defined in ElectronicStabilityControlState or ErrorState. It must not surface errors through StatusCode and must use the supported error states instead.\nFor the global area ID (0), {@code getSupportedValuesList} must return a {@code SupportedValuesListResult} that contains supported values unless all states of both ElectronicStabilityControlState (including OTHER, which is not recommended) and ErrorState are supported.\nFor backward compatibility, if {@code SupportedValuesListResult} is defined, {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values."
             },
             {
                 "name": "Fan speed setting",
@@ -322,7 +322,7 @@
                     "VehicleHvacFanDirection"
                 ],
                 "data_enum": "VehicleHvacFanDirection",
-                "description": "Fan direction setting\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
+                "description": "Fan direction setting\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only.\nThe supported hvac fan direction is exposed through {@code HVAC_FAN_DIRECTION_AVAILABLE} property. Caller should not call {@code getSupportedValuesList}, or use {@code VehicleAreaConfig#supportedEnumValues}."
             },
             {
                 "name": "HVAC current temperature.",
@@ -476,7 +476,11 @@
             {
                 "name": "Speed units for display",
                 "value": 289408517,
-                "description": "Speed units for display\nIndicates type of units the car is using to display speed to user. Eg. m\/s, km\/h, or mph.\nVehiclePropConfig.configArray is used to indicate the supported speed display units. Pressure units are defined in VehicleUnit. For example: configArray[0] = METER_PER_SEC configArray[1] = MILES_PER_HOUR configArray[2] = KILOMETERS_PER_HOUR\nIf updating VEHICLE_SPEED_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS properties, then their values must be updated and communicated to the AAOS framework as well.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
+                "data_enums": [
+                    "VehicleUnit"
+                ],
+                "data_enum": "VehicleUnit",
+                "description": "Speed units for display\nIndicates type of units the car is using to display speed to user. Eg. m\/s, km\/h, or mph.\n{@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID (0) must be {@code true}.\n{@code getSupportedValuesLists} for [VEHICLE_SPEED_DISPLAY_UNITS, areaId=0] must return a {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList}, e.g. [METER_PER_SEC, MILES_PER_HOUR, KILOMETERS_PER_HOUR].\nFor backward compatibility, config array for this property must contain the same values as supported values at boot time. For example: configArray[0] = METER_PER_SEC configArray[1] = MILES_PER_HOUR configArray[2] = KILOMETERS_PER_HOUR\nIf updating VEHICLE_SPEED_DISPLAY_UNITS affects the values of other *_DISPLAY_UNITS properties, then their values must be updated and communicated to the AAOS framework as well.\nThis property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to implement it as VehiclePropertyAccess.READ only."
             },
             {
                 "name": "EXTERNAL_CAR_TIME",
diff --git a/automotive/vehicle/aidl/generated_lib/4/java/EnumForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/4/java/EnumForVehicleProperty.java
index 0f86bfa..24cc75b 100644
--- a/automotive/vehicle/aidl/generated_lib/4/java/EnumForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/4/java/EnumForVehicleProperty.java
@@ -51,6 +51,7 @@
         Map.entry(VehicleProperty.FUEL_VOLUME_DISPLAY_UNITS, List.of(VehicleUnit.class)),
         Map.entry(VehicleProperty.TIRE_PRESSURE_DISPLAY_UNITS, List.of(VehicleUnit.class)),
         Map.entry(VehicleProperty.EV_BATTERY_DISPLAY_UNITS, List.of(VehicleUnit.class)),
+        Map.entry(VehicleProperty.VEHICLE_SPEED_DISPLAY_UNITS, List.of(VehicleUnit.class)),
         Map.entry(VehicleProperty.HW_ROTARY_INPUT, List.of(RotaryInputType.class)),
         Map.entry(VehicleProperty.HW_CUSTOM_INPUT, List.of(CustomInputType.class)),
         Map.entry(VehicleProperty.SEAT_FOOTWELL_LIGHTS_STATE, List.of(VehicleLightState.class)),
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 e5c09b0..e854ecc 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -525,16 +525,27 @@
     /**
      * Tire pressure
      *
-     * Each tires is identified by its areaConfig.areaId config and their
-     * minFloatValue/maxFloatValue are used to store OEM recommended pressure
-     * range. The minFloatValue and maxFloatValue in VehicleAreaConfig must be defined.
-     * The minFloatValue in the areaConfig data represents the lower bound of
-     * the recommended tire pressure.
-     * The maxFloatValue in the areaConfig data represents the upper bound of
-     * the recommended tire pressure.
+     * {@code HasSupportedValueInfo.hasMinSupportedValue} and
+     * {@code HasSupportedValueInfo.hasMaxSupportedValue} must be {@code true} for all areas.
+     *
+     * {@code MinMaxSupportedValueResult.minSupportedValue} represents the lower bound of the
+     * recommended tire pressure for the tire at the specified area ID.
+     *
+     * {@code MinMaxSupportedValueResult.maxSupportedValue} represents the upper bound of the
+     * recommended tire pressure for the tire at the specified area ID.
+     *
+     * For example, if the recommended tire pressure of left_front tire is from 200.0 KILOPASCAL to
+     * 240.0 KILOPASCAL, {@code getMinMaxSupportedValue} for
+     * [propId=TIRE_PRESSURE, areaId=VehicleAreaWheel::LEFT_FRONT] must return a
+     * {@code MinMaxSupportedValueResult} with OK status, 200.0 as minSupportedValue, 240.0 as
+     * maxSupportedValue.
+     *
+     * For backward compatibility, minFloatValue and maxFloatValue in {@code VehicleAreaConfig}
+     * must be set to the same as minSupportedValue and maxSupportedValue at boot time.
+     *
+     * Each tire is identified by its areaConfig.areaId config.
+     *
      * For example:
-     * The following areaConfig indicates the recommended tire pressure
-     * of left_front tire is from 200.0 KILOPASCAL to 240.0 KILOPASCAL.
      * .areaConfigs = {
      *      VehicleAreaConfig {
      *          .areaId = VehicleAreaWheel::LEFT_FRONT,
@@ -545,6 +556,7 @@
      *
      * @change_mode VehiclePropertyChangeMode.CONTINUOUS
      * @access VehiclePropertyAccess.READ
+     * @require_min_max_supported_value
      * @unit VehicleUnit.KILOPASCAL
      * @version 2
      */
@@ -589,8 +601,12 @@
      * of the vehicle as described through the ImpactSensorLocation enum. As a bit flag property,
      * this property can be set to multiple ORed together values of the enum when necessary.
      *
-     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined
-     * unless all bit flags of ImpactSensorLocation are supported.
+     * For the global area ID (0), {@code getSupportedValuesList}
+     * must return a {@code SupportedValuesListResult} that contains supported values unless all bit
+     * flags of ImpactSensorLocation are supported.
+     *
+     * For backward compatibility, if {@code SupportedValuesListResult} is defined,
+     * {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values.
      *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ
@@ -604,18 +620,29 @@
      *
      * This is the gear selected by the user.
      *
-     * Values in the config data must represent the list of supported gears for this vehicle. For
-     * example, config data for an automatic transmission must contain {GEAR_NEUTRAL, GEAR_REVERSE,
-     * GEAR_PARK, GEAR_DRIVE, GEAR_1, GEAR_2,...} and for manual transmission the list must be
-     * {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}
+     * {@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID
+     * (0) must be {@code true}.
+     *
+     * {@code getSupportedValuesList} for [GEAR_SELECTION, areaId=0] must return a
+     * {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList}.
+     *
+     * The supportedValues must represent the list of supported gears for this vehicle. For example,
+     * for an automatic transmission, the list can be {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK,
+     * GEAR_DRIVE, GEAR_1, GEAR_2,...} and for manual transmission it can be {GEAR_NEUTRAL,
+     * GEAR_REVERSE, GEAR_1, GEAR_2,...}.
      *
      * In the case of an automatic transmission vehicle that allows the driver to select specific
      * gears on demand (i.e. "manual mode"), GEAR_SELECTION's value must be set to the specific gear
      * selected by the driver instead of simply GEAR_DRIVE.
      *
+     * For backward compatibility, config array for this property must be a list of values
+     * same as the supported values at boot-time.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ
      * @data_enum VehicleGear
+     * @require_supported_values_list
+     * @legacy_supported_values_in_config
      * @version 2
      */
     GEAR_SELECTION = 0x0400 + 0x10000000 + 0x01000000
@@ -626,16 +653,27 @@
      * the current gear will be one of GEAR_1, GEAR_2 etc, which reflects
      * the actual gear the transmission is currently running in.
      *
-     * Values in the config data must represent the list of supported gears
-     * for this vehicle.  For example, config data for an automatic transmission
-     * must contain {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_1, GEAR_2,...}
-     * and for manual transmission the list must be
+     * {@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID
+     * (0) must be {@code true}.
+     *
+     * {@code getSupportedValuesList} for [GEAR_SELECTION, areaId=0] must return a
+     * {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList}.
+     *
+     * The supported values list must represent the list of supported gears
+     * for this vehicle.  For example, for an automatic transmission, this list can be
+     * {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_PARK, GEAR_1, GEAR_2,...}
+     * and for manual transmission the list can be
      * {GEAR_NEUTRAL, GEAR_REVERSE, GEAR_1, GEAR_2,...}. This list need not be the
      * same as that of the supported gears reported in GEAR_SELECTION.
      *
+     * For backward compatibility, config array for this property must be a list of values
+     * same as the supported values at boot-time.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ
      * @data_enum VehicleGear
+     * @require_supported_values_list
+     * @legacy_supported_values_in_config
      * @version 2
      */
     CURRENT_GEAR = 0x0401 + 0x10000000 + 0x01000000
@@ -673,11 +711,19 @@
     /**
      * Regenerative braking level of a electronic vehicle
      *
-     * The maxInt32Value and minInt32Value in VehicleAreaConfig must be defined. All values between
-     * minInt32Value and maxInt32Value must be supported. The minInt32Value must be 0.
+     * {@code HasSupportedValueInfo.hasMinSupportedValue} and
+     * {@code HasSupportedValueInfo.hasMaxSupportedValue} must be {@code true} for global area ID(0)
      *
-     * The maxInt32Value indicates the setting for the maximum amount of energy regenerated from
-     * braking. The minInt32Value indicates the setting for no regenerative braking.
+     * {@code MinMaxSupportedValueResult.minSupportedValue} must be 0.
+     *
+     * {@code MinMaxSupportedValueResult.maxSupportedValue} indicates the setting for the maximum
+     * amount of energy regenerated from braking. The minSupportedValue indicates the setting for no
+     * regenerative braking.
+     *
+     * All values between min and max supported value must be supported.
+     *
+     * For backward compatibility, minInt32Value and maxInt32Value in {@code VehicleAreaConfig}
+     * must be set to the same as minSupportedValue and maxSupportedValue at boot time.
      *
      * This property is a more granular form of EV_REGENERATIVE_BRAKING_STATE. It allows the user to
      * set a more specific level of regenerative braking if the states in EvRegenerativeBrakingState
@@ -689,6 +735,7 @@
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @access VehiclePropertyAccess.READ
+     * @require_min_max_supported_value
      * @version 2
      */
     EV_BRAKE_REGENERATION_LEVEL =
@@ -774,8 +821,12 @@
     /**
      * Represents property for the current stopping mode of the vehicle.
      *
-     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues must be defined unless
-     * all enum values of EvStoppingMode are supported.
+     * For the global area ID (0), {@code getSupportedValuesList}
+     * must return a {@code SupportedValuesListResult} that contains supported values unless all
+     * enum values of EvStoppingMode are supported.
+     *
+     * For backward compatibility, if {@code SupportedValuesListResult} is defined,
+     * {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values.
      *
      * The EvStoppingMode enum may be extended to include more states in the future.
      *
@@ -819,10 +870,14 @@
      * ElectronicStabilityControlState or ErrorState. It must not surface errors through StatusCode
      * and must use the supported error states instead.
      *
-     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined
-     * unless all states of both ElectronicStabilityControlState (including OTHER, which is not
+     * For the global area ID (0), {@code getSupportedValuesList}
+     * must return a {@code SupportedValuesListResult} that contains supported values unless all
+     * states of both ElectronicStabilityControlState (including OTHER, which is not
      * recommended) and ErrorState are supported.
      *
+     * For backward compatibility, if {@code SupportedValuesListResult} is defined,
+     * {@code VehicleAreaConfig#supportedEnumValues} must be set to the same values.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ
      * @data_enum ElectronicStabilityControlState
@@ -904,6 +959,10 @@
      * This property is defined as VehiclePropertyAccess.READ_WRITE, but OEMs have the option to
      * implement it as VehiclePropertyAccess.READ only.
      *
+     * The supported hvac fan direction is exposed through {@code HVAC_FAN_DIRECTION_AVAILABLE}
+     * property. Caller should not call {@code getSupportedValuesList}, or use
+     * {@code VehicleAreaConfig#supportedEnumValues}.
+     *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @access VehiclePropertyAccess.READ
@@ -1544,8 +1603,15 @@
      *
      * Indicates type of units the car is using to display speed to user. Eg. m/s, km/h, or mph.
      *
-     * VehiclePropConfig.configArray is used to indicate the supported speed display units.
-     * Pressure units are defined in VehicleUnit.
+     * {@code VehicleAreaConfig.HasSupportedValueInfo.hasSupportedValuesList} for the global area ID
+     * (0) must be {@code true}.
+     *
+     * {@code getSupportedValuesLists} for [VEHICLE_SPEED_DISPLAY_UNITS, areaId=0] must return a
+     * {@code SupportedValuesListResult} that contains non-null {@code supportedValuesList},
+     * e.g. [METER_PER_SEC, MILES_PER_HOUR, KILOMETERS_PER_HOUR].
+     *
+     * For backward compatibility, config array for this property must contain the same values as
+     * supported values at boot time.
      * For example: configArray[0] = METER_PER_SEC
      *              configArray[1] = MILES_PER_HOUR
      *              configArray[2] = KILOMETERS_PER_HOUR
@@ -1559,6 +1625,9 @@
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ_WRITE
      * @access VehiclePropertyAccess.READ
+     * @data_enum VehicleUnit
+     * @require_supported_values_list
+     * @legacy_supported_values_in_config
      * @version 2
      */
     VEHICLE_SPEED_DISPLAY_UNITS = 0x0605 + 0x10000000 + 0x01000000
diff --git a/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h b/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
index 184c16e..d92a409 100644
--- a/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
+++ b/camera/device/3.4/default/include/ext_device_v3_4_impl/ExternalCameraDeviceSession.h
@@ -109,7 +109,7 @@
 
     static const int kMaxProcessedStream = 2;
     static const int kMaxStallStream = 1;
-    static const uint32_t kMaxBytesPerPixel = 2;
+    static const uint32_t kMaxBytesPerPixel = 3;
 
     class OutputThread : public android::Thread {
     public:
diff --git a/camera/device/aidl/Android.bp b/camera/device/aidl/Android.bp
index 48ae34e..291ed0d 100644
--- a/camera/device/aidl/Android.bp
+++ b/camera/device/aidl/Android.bp
@@ -44,7 +44,7 @@
                 "android.hardware.common.fmq-V1",
                 "android.hardware.camera.common-V1",
                 "android.hardware.camera.metadata-V1",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
@@ -54,7 +54,7 @@
                 "android.hardware.common.fmq-V1",
                 "android.hardware.camera.common-V1",
                 "android.hardware.camera.metadata-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
@@ -64,7 +64,7 @@
                 "android.hardware.common.fmq-V1",
                 "android.hardware.camera.common-V1",
                 "android.hardware.camera.metadata-V3",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
 
diff --git a/camera/device/default/ExternalCameraDeviceSession.h b/camera/device/default/ExternalCameraDeviceSession.h
index 1c6ed06..ed84931 100644
--- a/camera/device/default/ExternalCameraDeviceSession.h
+++ b/camera/device/default/ExternalCameraDeviceSession.h
@@ -122,7 +122,7 @@
 
     static const int kMaxProcessedStream = 2;
     static const int kMaxStallStream = 1;
-    static const uint32_t kMaxBytesPerPixel = 2;
+    static const uint32_t kMaxBytesPerPixel = 3;
 
     class BufferRequestThread : public SimpleThread {
       public:
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSection.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSection.aidl
index 138101b..5a35915 100644
--- a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSection.aidl
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSection.aidl
@@ -72,5 +72,6 @@
   ANDROID_AUTOMOTIVE_LENS,
   ANDROID_EXTENSION,
   ANDROID_JPEGR,
+  ANDROID_SHARED_SESSION,
   VENDOR_SECTION = 0x8000,
 }
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
index 85eee08..4cdca62 100644
--- a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
@@ -72,5 +72,6 @@
   ANDROID_AUTOMOTIVE_LENS_START = (android.hardware.camera.metadata.CameraMetadataSection.ANDROID_AUTOMOTIVE_LENS << 16) /* 2031616 */,
   ANDROID_EXTENSION_START = (android.hardware.camera.metadata.CameraMetadataSection.ANDROID_EXTENSION << 16) /* 2097152 */,
   ANDROID_JPEGR_START = (android.hardware.camera.metadata.CameraMetadataSection.ANDROID_JPEGR << 16) /* 2162688 */,
+  ANDROID_SHARED_SESSION_START = (android.hardware.camera.metadata.CameraMetadataSection.ANDROID_SHARED_SESSION << 16) /* 2228224 */,
   VENDOR_SECTION_START = (android.hardware.camera.metadata.CameraMetadataSection.VENDOR_SECTION << 16) /* -2147483648 */,
 }
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSection.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSection.aidl
index 73bcc12..2268dfd 100644
--- a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSection.aidl
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSection.aidl
@@ -63,5 +63,6 @@
     ANDROID_AUTOMOTIVE_LENS,
     ANDROID_EXTENSION,
     ANDROID_JPEGR,
+    ANDROID_SHARED_SESSION,
     VENDOR_SECTION = 0x8000,
 }
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
index 75e7915..3ec54d4 100644
--- a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataSectionStart.aidl
@@ -65,5 +65,6 @@
     ANDROID_AUTOMOTIVE_LENS_START = CameraMetadataSection.ANDROID_AUTOMOTIVE_LENS << 16,
     ANDROID_EXTENSION_START = CameraMetadataSection.ANDROID_EXTENSION << 16,
     ANDROID_JPEGR_START = CameraMetadataSection.ANDROID_JPEGR << 16,
+    ANDROID_SHARED_SESSION_START = CameraMetadataSection.ANDROID_SHARED_SESSION << 16,
     VENDOR_SECTION_START = CameraMetadataSection.VENDOR_SECTION << 16,
 }
diff --git a/contexthub/aidl/default/Android.bp b/contexthub/aidl/default/Android.bp
index da173f9..c0b147c 100644
--- a/contexthub/aidl/default/Android.bp
+++ b/contexthub/aidl/default/Android.bp
@@ -30,6 +30,7 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
+        "liblog",
         "android.hardware.contexthub-V4-ndk",
     ],
     export_include_dirs: ["include"],
@@ -51,6 +52,7 @@
     shared_libs: [
         "libbase",
         "libbinder_ndk",
+        "liblog",
         "android.hardware.contexthub-V4-ndk",
     ],
     static_libs: [
diff --git a/contexthub/aidl/default/ContextHub.cpp b/contexthub/aidl/default/ContextHub.cpp
index a915191..4ae9c09 100644
--- a/contexthub/aidl/default/ContextHub.cpp
+++ b/contexthub/aidl/default/ContextHub.cpp
@@ -16,10 +16,54 @@
 
 #include "contexthub-impl/ContextHub.h"
 
-namespace aidl::android::hardware::contexthub {
+#ifndef LOG_TAG
+#define LOG_TAG "CHRE"
+#endif
+
+#include <inttypes.h>
+#include <log/log.h>
 
 using ::ndk::ScopedAStatus;
 
+namespace aidl::android::hardware::contexthub {
+
+namespace {
+
+constexpr uint64_t kMockVendorHubId = 0x1234567812345678;
+constexpr uint64_t kMockVendorHub2Id = 0x0EADBEEFDEADBEEF;
+
+// Mock endpoints for the default implementation.
+// These endpoints just echo back any messages sent to them.
+constexpr size_t kMockEndpointCount = 4;
+const EndpointInfo kMockEndpointInfos[kMockEndpointCount] = {
+        {
+                .id = {.hubId = kMockVendorHubId, .id = UINT64_C(0x1)},
+                .type = EndpointInfo::EndpointType::GENERIC,
+                .name = "Mock Endpoint 1",
+                .version = 1,
+        },
+        {
+                .id = {.hubId = kMockVendorHubId, .id = UINT64_C(0x2)},
+                .type = EndpointInfo::EndpointType::GENERIC,
+                .name = "Mock Endpoint 2",
+                .version = 2,
+        },
+        {
+                .id = {.hubId = kMockVendorHub2Id, .id = UINT64_C(0x1)},
+                .type = EndpointInfo::EndpointType::GENERIC,
+                .name = "Mock Endpoint 3",
+                .version = 1,
+        },
+        {
+                .id = {.hubId = kMockVendorHub2Id, .id = UINT64_C(0x2)},
+                .type = EndpointInfo::EndpointType::GENERIC,
+                .name = "Mock Endpoint 4",
+                .version = 2,
+        },
+};
+
+}  // anonymous namespace
+
 ScopedAStatus ContextHub::getContextHubs(std::vector<ContextHubInfo>* out_contextHubInfos) {
     ContextHubInfo hub = {};
     hub.name = "Mock Context Hub";
@@ -112,7 +156,13 @@
     }
 }
 
-ScopedAStatus ContextHub::setTestMode(bool /* enable */) {
+ScopedAStatus ContextHub::setTestMode(bool enable) {
+    if (enable) {
+        std::unique_lock<std::mutex> lock(mEndpointMutex);
+        mEndpoints.clear();
+        mEndpointSessions.clear();
+        mEndpointCallback = nullptr;
+    }
     return ScopedAStatus::ok();
 }
 
@@ -137,6 +187,10 @@
 }
 
 ScopedAStatus ContextHub::getHubs(std::vector<HubInfo>* _aidl_return) {
+    if (_aidl_return == nullptr) {
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
     ContextHubInfo hub = {};
     hub.name = "Mock Context Hub";
     hub.vendor = "AOSP";
@@ -158,61 +212,217 @@
     vendorHub.version = 42;
 
     HubInfo hubInfo2 = {};
-    hubInfo2.hubId = UINT64_C(0x1234567812345678);
+    hubInfo2.hubId = kMockVendorHubId;
     hubInfo2.hubDetails =
             HubInfo::HubDetails::make<HubInfo::HubDetails::Tag::vendorHubInfo>(vendorHub);
 
+    VendorHubInfo vendorHub2 = {};
+    vendorHub2.name = "Mock Vendor Hub 2";
+    vendorHub2.version = 24;
+
+    HubInfo hubInfo3 = {};
+    hubInfo3.hubId = kMockVendorHub2Id;
+    hubInfo3.hubDetails =
+            HubInfo::HubDetails::make<HubInfo::HubDetails::Tag::vendorHubInfo>(vendorHub2);
+
     _aidl_return->push_back(hubInfo1);
     _aidl_return->push_back(hubInfo2);
+    _aidl_return->push_back(hubInfo3);
 
     return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::getEndpoints(std::vector<EndpointInfo>* /* _aidl_return */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::getEndpoints(std::vector<EndpointInfo>* _aidl_return) {
+    if (_aidl_return == nullptr) {
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
+    Service echoService;
+    echoService.format = Service::RpcFormat::CUSTOM;
+    echoService.serviceDescriptor = "ECHO";
+    echoService.majorVersion = 1;
+    echoService.minorVersion = 0;
+
+    for (const EndpointInfo& endpoint : kMockEndpointInfos) {
+        EndpointInfo endpointWithService(endpoint);
+        endpointWithService.services.push_back(echoService);
+        _aidl_return->push_back(std::move(endpointWithService));
+    }
+
+    return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::registerEndpoint(const EndpointInfo& /* in_endpoint */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::registerEndpoint(const EndpointInfo& in_endpoint) {
+    std::unique_lock<std::mutex> lock(mEndpointMutex);
+
+    for (const EndpointInfo& endpoint : mEndpoints) {
+        if ((endpoint.id.id == in_endpoint.id.id && endpoint.id.hubId == in_endpoint.id.hubId) ||
+            endpoint.name == in_endpoint.name) {
+            return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+        }
+    }
+    mEndpoints.push_back(in_endpoint);
+    return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::unregisterEndpoint(const EndpointInfo& /* in_endpoint */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::unregisterEndpoint(const EndpointInfo& in_endpoint) {
+    std::unique_lock<std::mutex> lock(mEndpointMutex);
+
+    for (auto it = mEndpoints.begin(); it != mEndpoints.end(); ++it) {
+        if (it->id.id == in_endpoint.id.id && it->id.hubId == in_endpoint.id.hubId) {
+            mEndpoints.erase(it);
+            return ScopedAStatus::ok();
+        }
+    }
+    return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
 };
 
 ScopedAStatus ContextHub::registerEndpointCallback(
-        const std::shared_ptr<IEndpointCallback>& /* in_callback */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+        const std::shared_ptr<IEndpointCallback>& in_callback) {
+    std::unique_lock<std::mutex> lock(mEndpointMutex);
+
+    mEndpointCallback = in_callback;
+    return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::requestSessionIdRange(int32_t /* in_size */,
-                                                std::vector<int32_t>* /* _aidl_return */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::requestSessionIdRange(int32_t in_size,
+                                                std::vector<int32_t>* _aidl_return) {
+    constexpr int32_t kMaxSize = 1024;
+    if (in_size > kMaxSize || _aidl_return == nullptr) {
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
+    {
+        std::lock_guard<std::mutex> lock(mEndpointMutex);
+        mMaxValidSessionId = in_size;
+    }
+
+    _aidl_return->push_back(0);
+    _aidl_return->push_back(in_size);
+    return ScopedAStatus::ok();
 };
 
 ScopedAStatus ContextHub::openEndpointSession(
-        int32_t /* in_sessionId */, const EndpointId& /* in_destination */,
-        const EndpointId& /* in_initiator */,
-        const std::optional<std::string>& /* in_serviceDescriptor */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+        int32_t in_sessionId, const EndpointId& in_destination, const EndpointId& in_initiator,
+        const std::optional<std::string>& in_serviceDescriptor) {
+    // We are not calling onCloseEndpointSession on failure because the remote endpoints (our
+    // mock endpoints) always accept the session.
+
+    std::shared_ptr<IEndpointCallback> callback = nullptr;
+    {
+        std::unique_lock<std::mutex> lock(mEndpointMutex);
+        if (in_sessionId > mMaxValidSessionId) {
+            ALOGE("openEndpointSession: session ID %" PRId32 " is invalid", in_sessionId);
+            return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+        }
+
+        for (const EndpointSession& session : mEndpointSessions) {
+            bool sessionAlreadyExists =
+                    (session.initiator == in_destination && session.peer == in_initiator) ||
+                    (session.peer == in_destination && session.initiator == in_initiator);
+            if (sessionAlreadyExists) {
+                ALOGD("openEndpointSession: session ID %" PRId32 " already exists", in_sessionId);
+                return (session.sessionId == in_sessionId &&
+                        session.serviceDescriptor == in_serviceDescriptor)
+                               ? ScopedAStatus::ok()
+                               : ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+            } else if (session.sessionId == in_sessionId) {
+                ALOGE("openEndpointSession: session ID %" PRId32 " is invalid: endpoint mismatch",
+                      in_sessionId);
+                return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+            }
+        }
+
+        // Verify the initiator and destination are valid endpoints
+        bool initiatorIsValid = findEndpoint(in_initiator, mEndpoints.begin(), mEndpoints.end());
+        if (!initiatorIsValid) {
+            ALOGE("openEndpointSession: initiator %" PRIu64 ":%" PRIu64 " is invalid",
+                  in_initiator.id, in_initiator.hubId);
+            return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+        }
+        bool destinationIsValid = findEndpoint(in_destination, &kMockEndpointInfos[0],
+                                               &kMockEndpointInfos[kMockEndpointCount]);
+        if (!destinationIsValid) {
+            ALOGE("openEndpointSession: destination %" PRIu64 ":%" PRIu64 " is invalid",
+                  in_destination.id, in_destination.hubId);
+            return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+        }
+
+        mEndpointSessions.push_back({
+                .sessionId = in_sessionId,
+                .initiator = in_initiator,
+                .peer = in_destination,
+                .serviceDescriptor = in_serviceDescriptor,
+        });
+
+        if (mEndpointCallback != nullptr) {
+            callback = mEndpointCallback;
+        }
+    }
+
+    if (callback != nullptr) {
+        callback->onEndpointSessionOpenComplete(in_sessionId);
+    }
+    return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::sendMessageToEndpoint(int32_t /* in_sessionId */,
-                                                const Message& /* in_msg */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::sendMessageToEndpoint(int32_t in_sessionId, const Message& in_msg) {
+    bool foundSession = false;
+    std::shared_ptr<IEndpointCallback> callback = nullptr;
+    {
+        std::unique_lock<std::mutex> lock(mEndpointMutex);
+
+        for (const EndpointSession& session : mEndpointSessions) {
+            if (session.sessionId == in_sessionId) {
+                foundSession = true;
+                break;
+            }
+        }
+
+        if (mEndpointCallback != nullptr) {
+            callback = mEndpointCallback;
+        }
+    }
+
+    if (!foundSession) {
+        ALOGE("sendMessageToEndpoint: session ID %" PRId32 " is invalid", in_sessionId);
+        return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+
+    if (callback != nullptr) {
+        if (in_msg.flags & Message::FLAG_REQUIRES_DELIVERY_STATUS) {
+            MessageDeliveryStatus msgStatus = {};
+            msgStatus.messageSequenceNumber = in_msg.sequenceNumber;
+            msgStatus.errorCode = ErrorCode::OK;
+            callback->onMessageDeliveryStatusReceived(in_sessionId, msgStatus);
+        }
+
+        // Echo the message back
+        callback->onMessageReceived(in_sessionId, in_msg);
+    }
+    return ScopedAStatus::ok();
 };
 
 ScopedAStatus ContextHub::sendMessageDeliveryStatusToEndpoint(
         int32_t /* in_sessionId */, const MessageDeliveryStatus& /* in_msgStatus */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    return ScopedAStatus::ok();
 };
 
-ScopedAStatus ContextHub::closeEndpointSession(int32_t /* in_sessionId */, Reason /* in_reason */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ScopedAStatus ContextHub::closeEndpointSession(int32_t in_sessionId, Reason /* in_reason */) {
+    std::unique_lock<std::mutex> lock(mEndpointMutex);
+
+    for (auto it = mEndpointSessions.begin(); it != mEndpointSessions.end(); ++it) {
+        if (it->sessionId == in_sessionId) {
+            mEndpointSessions.erase(it);
+            return ScopedAStatus::ok();
+        }
+    }
+    ALOGE("closeEndpointSession: session ID %" PRId32 " is invalid", in_sessionId);
+    return ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
 };
 
 ScopedAStatus ContextHub::endpointSessionOpenComplete(int32_t /* in_sessionId */) {
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    return ScopedAStatus::ok();
 };
 
 }  // namespace aidl::android::hardware::contexthub
diff --git a/contexthub/aidl/default/include/contexthub-impl/ContextHub.h b/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
index 5680a77..4968878 100644
--- a/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
+++ b/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
@@ -18,6 +18,7 @@
 
 #include <aidl/android/hardware/contexthub/BnContextHub.h>
 
+#include <mutex>
 #include <unordered_set>
 #include <vector>
 
@@ -72,10 +73,37 @@
     ::ndk::ScopedAStatus endpointSessionOpenComplete(int32_t in_sessionId) override;
 
   private:
+    struct EndpointSession {
+        int32_t sessionId;
+        EndpointId initiator;
+        EndpointId peer;
+        std::optional<std::string> serviceDescriptor;
+    };
+
     static constexpr uint32_t kMockHubId = 0;
+
+    //! Finds an endpoint in the range defined by the endpoints
+    //! @return whether the endpoint was found
+    template <typename Iter>
+    bool findEndpoint(const EndpointId& target, const Iter& begin, const Iter& end) {
+        for (auto iter = begin; iter != end; ++iter) {
+            if (iter->id.id == target.id && iter->id.hubId == target.hubId) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     std::shared_ptr<IContextHubCallback> mCallback;
 
     std::unordered_set<char16_t> mConnectedHostEndpoints;
+
+    //! Endpoint storage and information
+    std::mutex mEndpointMutex;
+    std::vector<EndpointInfo> mEndpoints;
+    std::vector<EndpointSession> mEndpointSessions;
+    std::shared_ptr<IEndpointCallback> mEndpointCallback;
+    int32_t mMaxValidSessionId = 0;
 };
 
 }  // namespace contexthub
diff --git a/contexthub/aidl/vts/Android.bp b/contexthub/aidl/vts/Android.bp
index 62a319e..a19b6fd 100644
--- a/contexthub/aidl/vts/Android.bp
+++ b/contexthub/aidl/vts/Android.bp
@@ -33,7 +33,7 @@
         "libbinder",
     ],
     static_libs: [
-        "android.hardware.contexthub-V3-cpp",
+        "android.hardware.contexthub-V4-cpp",
         "VtsHalContexthubUtils",
     ],
     test_suites: [
diff --git a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
index fa427a5..95a96cd 100644
--- a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
+++ b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
@@ -20,8 +20,10 @@
 
 #include <android/hardware/contexthub/BnContextHub.h>
 #include <android/hardware/contexthub/BnContextHubCallback.h>
+#include <android/hardware/contexthub/BnEndpointCallback.h>
 #include <android/hardware/contexthub/IContextHub.h>
 #include <android/hardware/contexthub/IContextHubCallback.h>
+#include <android/hardware/contexthub/IEndpointCallback.h>
 #include <binder/IServiceManager.h>
 #include <binder/ProcessState.h>
 #include <log/log.h>
@@ -34,18 +36,25 @@
 using ::android::String16;
 using ::android::binder::Status;
 using ::android::hardware::contexthub::AsyncEventType;
+using ::android::hardware::contexthub::BnEndpointCallback;
 using ::android::hardware::contexthub::ContextHubInfo;
 using ::android::hardware::contexthub::ContextHubMessage;
+using ::android::hardware::contexthub::EndpointId;
+using ::android::hardware::contexthub::EndpointInfo;
 using ::android::hardware::contexthub::ErrorCode;
 using ::android::hardware::contexthub::HostEndpointInfo;
+using ::android::hardware::contexthub::HubInfo;
 using ::android::hardware::contexthub::IContextHub;
 using ::android::hardware::contexthub::IContextHubCallbackDefault;
+using ::android::hardware::contexthub::Message;
 using ::android::hardware::contexthub::MessageDeliveryStatus;
 using ::android::hardware::contexthub::NanoappBinary;
 using ::android::hardware::contexthub::NanoappInfo;
 using ::android::hardware::contexthub::NanoappRpcService;
 using ::android::hardware::contexthub::NanSessionRequest;
 using ::android::hardware::contexthub::NanSessionStateUpdate;
+using ::android::hardware::contexthub::Reason;
+using ::android::hardware::contexthub::Service;
 using ::android::hardware::contexthub::Setting;
 using ::android::hardware::contexthub::vts_utils::kNonExistentAppId;
 using ::android::hardware::contexthub::vts_utils::waitForCallback;
@@ -61,8 +70,14 @@
         contextHub = android::waitForDeclaredService<IContextHub>(
                 String16(std::get<0>(GetParam()).c_str()));
         ASSERT_NE(contextHub, nullptr);
+
+        // Best effort enable test mode - this may not be supported on older HALS, so we
+        // ignore the return value.
+        contextHub->setTestMode(/* enable= */ true);
     }
 
+    virtual void TearDown() override { contextHub->setTestMode(/* enable= */ false); }
+
     uint32_t getHubId() { return std::get<1>(GetParam()); }
 
     void testSettingChanged(Setting setting);
@@ -465,6 +480,290 @@
     }
 }
 
+class TestEndpointCallback : public BnEndpointCallback {
+  public:
+    Status onEndpointStarted(const std::vector<EndpointInfo>& /* endpointInfos */) override {
+        return Status::ok();
+    }
+
+    Status onEndpointStopped(const std::vector<EndpointId>& /* endpointIds */,
+                             Reason /* reason */) override {
+        return Status::ok();
+    }
+
+    Status onMessageReceived(int32_t /* sessionId */, const Message& message) override {
+        mMessages.push_back(message);
+        return Status::ok();
+    }
+
+    Status onMessageDeliveryStatusReceived(int32_t /* sessionId */,
+                                           const MessageDeliveryStatus& /* msgStatus */) override {
+        return Status::ok();
+    }
+
+    Status onEndpointSessionOpenRequest(
+            int32_t /* sessionId */, const EndpointId& /* destination */,
+            const EndpointId& /* initiator */,
+            const std::optional<String16>& /* serviceDescriptor */) override {
+        return Status::ok();
+    }
+
+    Status onCloseEndpointSession(int32_t /* sessionId */, Reason /* reason */) override {
+        return Status::ok();
+    }
+
+    Status onEndpointSessionOpenComplete(int32_t /* sessionId */) override {
+        mWasOnEndpointSessionOpenCompleteCalled = true;
+        return Status::ok();
+    }
+
+    std::vector<Message> getMessages() { return mMessages; }
+
+    bool wasOnEndpointSessionOpenCompleteCalled() {
+        return mWasOnEndpointSessionOpenCompleteCalled;
+    }
+    void resetWasOnEndpointSessionOpenCompleteCalled() {
+        mWasOnEndpointSessionOpenCompleteCalled = false;
+    }
+
+  private:
+    std::vector<Message> mMessages;
+    bool mWasOnEndpointSessionOpenCompleteCalled = false;
+};
+
+TEST_P(ContextHubAidl, RegisterEndpoint) {
+    EndpointInfo endpointInfo;
+    endpointInfo.id.id = 1;
+    endpointInfo.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo.name = String16("Test host endpoint 1");
+    endpointInfo.version = 42;
+
+    Status status = contextHub->registerEndpoint(endpointInfo);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+}
+
+TEST_P(ContextHubAidl, RegisterEndpointSameNameFailure) {
+    EndpointInfo endpointInfo;
+    endpointInfo.id.id = 2;
+    endpointInfo.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo.name = String16("Test host endpoint 2");
+    endpointInfo.version = 42;
+
+    EndpointInfo endpointInfo2;
+    endpointInfo2.id.id = 3;
+    endpointInfo2.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo2.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo2.name = String16("Test host endpoint 2");
+    endpointInfo2.version = 42;
+
+    Status status = contextHub->registerEndpoint(endpointInfo);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+
+    EXPECT_FALSE(contextHub->registerEndpoint(endpointInfo2).isOk());
+}
+
+TEST_P(ContextHubAidl, RegisterEndpointSameIdFailure) {
+    EndpointInfo endpointInfo;
+    endpointInfo.id.id = 4;
+    endpointInfo.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo.name = String16("Test host endpoint 4");
+    endpointInfo.version = 42;
+
+    EndpointInfo endpointInfo2;
+    endpointInfo2.id.id = 4;
+    endpointInfo2.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo2.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo2.name = String16("Test host endpoint - same ID test");
+    endpointInfo2.version = 42;
+
+    Status status = contextHub->registerEndpoint(endpointInfo);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+
+    EXPECT_FALSE(contextHub->registerEndpoint(endpointInfo2).isOk());
+}
+
+TEST_P(ContextHubAidl, UnregisterEndpoint) {
+    EndpointInfo endpointInfo;
+    endpointInfo.id.id = 6;
+    endpointInfo.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo.name = String16("Test host endpoint 6");
+    endpointInfo.version = 42;
+
+    Status status = contextHub->registerEndpoint(endpointInfo);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+
+    EXPECT_TRUE(contextHub->unregisterEndpoint(endpointInfo).isOk());
+}
+
+TEST_P(ContextHubAidl, UnregisterEndpointNonexistent) {
+    EndpointInfo endpointInfo;
+    endpointInfo.id.id = 100;
+    endpointInfo.id.hubId = 0xCAFECAFECAFECAFE;
+    endpointInfo.type = EndpointInfo::EndpointType::NATIVE;
+    endpointInfo.name = String16("Test host endpoint 100");
+    endpointInfo.version = 42;
+
+    Status status = contextHub->unregisterEndpoint(endpointInfo);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_FALSE(status.isOk());
+    }
+}
+
+TEST_P(ContextHubAidl, RegisterCallback) {
+    auto cb = sp<TestEndpointCallback>::make();
+    Status status = contextHub->registerEndpointCallback(cb);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+}
+
+TEST_P(ContextHubAidl, OpenEndpointSessionInvalidRange) {
+    auto cb = sp<TestEndpointCallback>::make();
+    Status status = contextHub->registerEndpointCallback(cb);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+
+    // Register the endpoint
+    EndpointInfo initiatorEndpoint;
+    initiatorEndpoint.id.id = 7;
+    initiatorEndpoint.id.hubId = 0xCAFECAFECAFECAFE;
+    initiatorEndpoint.type = EndpointInfo::EndpointType::NATIVE;
+    initiatorEndpoint.name = String16("Test host endpoint 7");
+    initiatorEndpoint.version = 42;
+    EXPECT_TRUE(contextHub->registerEndpoint(initiatorEndpoint).isOk());
+
+    // Find the destination, if it exists
+    std::vector<EndpointInfo> endpoints;
+    EXPECT_TRUE(contextHub->getEndpoints(&endpoints).isOk());
+    const EndpointInfo* destinationEndpoint = nullptr;
+    for (const EndpointInfo& endpoint : endpoints) {
+        for (const Service& service : endpoint.services) {
+            if (service.serviceDescriptor == String16("ECHO")) {
+                destinationEndpoint = &endpoint;
+                break;
+            }
+        }
+    }
+    if (destinationEndpoint == nullptr) {
+        return;  // no echo service endpoint -> just return
+    }
+
+    // Request the range
+    constexpr int32_t requestedRange = 100;
+    std::vector<int32_t> range;
+    ASSERT_TRUE(contextHub->requestSessionIdRange(requestedRange, &range).isOk());
+    EXPECT_EQ(range.size(), 2);
+    EXPECT_GE(range[1] - range[0] + 1, requestedRange);
+
+    // Open the session
+    cb->resetWasOnEndpointSessionOpenCompleteCalled();
+    int32_t sessionId = range[1] + 10;  // invalid
+    EXPECT_FALSE(contextHub
+                         ->openEndpointSession(sessionId, destinationEndpoint->id,
+                                               initiatorEndpoint.id,
+                                               /* in_serviceDescriptor= */ String16("ECHO"))
+                         .isOk());
+    EXPECT_FALSE(cb->wasOnEndpointSessionOpenCompleteCalled());
+}
+
+TEST_P(ContextHubAidl, OpenEndpointSessionAndSendMessageEchoesBack) {
+    auto cb = sp<TestEndpointCallback>::make();
+    Status status = contextHub->registerEndpointCallback(cb);
+    if (status.exceptionCode() == Status::EX_UNSUPPORTED_OPERATION ||
+        status.transactionError() == android::UNKNOWN_TRANSACTION) {
+        GTEST_SKIP() << "Not supported -> old API; or not implemented";
+    } else {
+        EXPECT_TRUE(status.isOk());
+    }
+
+    // Register the endpoint
+    EndpointInfo initiatorEndpoint;
+    initiatorEndpoint.id.id = 8;
+    initiatorEndpoint.id.hubId = 0xCAFECAFECAFECAFE;
+    initiatorEndpoint.type = EndpointInfo::EndpointType::NATIVE;
+    initiatorEndpoint.name = String16("Test host endpoint 7");
+    initiatorEndpoint.version = 42;
+    EXPECT_TRUE(contextHub->registerEndpoint(initiatorEndpoint).isOk());
+
+    // Find the destination, if it exists
+    std::vector<EndpointInfo> endpoints;
+    EXPECT_TRUE(contextHub->getEndpoints(&endpoints).isOk());
+    const EndpointInfo* destinationEndpoint = nullptr;
+    for (const EndpointInfo& endpoint : endpoints) {
+        for (const Service& service : endpoint.services) {
+            if (service.serviceDescriptor == String16("ECHO")) {
+                destinationEndpoint = &endpoint;
+                break;
+            }
+        }
+    }
+    if (destinationEndpoint == nullptr) {
+        return;  // no echo service endpoint -> just return
+    }
+
+    // Request the range
+    constexpr int32_t requestedRange = 100;
+    std::vector<int32_t> range;
+    ASSERT_TRUE(contextHub->requestSessionIdRange(requestedRange, &range).isOk());
+    EXPECT_EQ(range.size(), 2);
+    EXPECT_GE(range[1] - range[0] + 1, requestedRange);
+
+    // Open the session
+    cb->resetWasOnEndpointSessionOpenCompleteCalled();
+    int32_t sessionId = range[0];
+    ASSERT_TRUE(contextHub
+                        ->openEndpointSession(sessionId, destinationEndpoint->id,
+                                              initiatorEndpoint.id,
+                                              /* in_serviceDescriptor= */ String16("ECHO"))
+                        .isOk());
+    EXPECT_TRUE(cb->wasOnEndpointSessionOpenCompleteCalled());
+
+    // Send the message
+    Message message;
+    message.flags = 0;
+    message.sequenceNumber = 0;
+    message.content.push_back(42);
+    ASSERT_TRUE(contextHub->sendMessageToEndpoint(sessionId, message).isOk());
+
+    // Check for echo
+    EXPECT_FALSE(cb->getMessages().empty());
+    EXPECT_EQ(cb->getMessages().back().content.back(), 42);
+}
+
 std::string PrintGeneratedTest(const testing::TestParamInfo<ContextHubAidl::ParamType>& info) {
     return std::string("CONTEXT_HUB_ID_") + std::to_string(std::get<1>(info.param));
 }
diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
index 4978281..41720c0 100644
--- a/gnss/aidl/default/Gnss.cpp
+++ b/gnss/aidl/default/Gnss.cpp
@@ -123,10 +123,13 @@
             std::this_thread::sleep_for(std::chrono::milliseconds(TTFF_MILLIS));
             mFirstFixReceived = true;
         }
+        int reportGnssCount = 0;
         do {
             if (!mIsActive) {
+                ALOGD("Do not report location. mIsActive is false");
                 break;
             }
+            reportGnssCount += 1;
             if (!mGnssMeasurementEnabled || mMinIntervalMs <= mGnssMeasurementIntervalMs) {
                 this->reportSvStatus();
             }
@@ -141,6 +144,7 @@
                 this->reportLocation(location);
             }
         } while (mIsActive && mThreadBlocker.wait_for(std::chrono::milliseconds(mMinIntervalMs)));
+        ALOGD("reportGnssCount: %d", reportGnssCount);
     });
     return ScopedAStatus::ok();
 }
diff --git a/graphics/Android.bp b/graphics/Android.bp
index d768ecf..2213f15 100644
--- a/graphics/Android.bp
+++ b/graphics/Android.bp
@@ -64,14 +64,14 @@
 aidl_interface_defaults {
     name: "android.hardware.graphics.common-latest",
     imports: [
-        "android.hardware.graphics.common-V5",
+        "android.hardware.graphics.common-V6",
     ],
 }
 
 rust_defaults {
     name: "android.hardware.graphics.common-latest-rust",
     rustlibs: [
-        "android.hardware.graphics.common-V5-rust",
+        "android.hardware.graphics.common-V6-rust",
     ],
 }
 
@@ -80,7 +80,7 @@
     target: {
         linux: {
             static_libs: [
-                "android.hardware.graphics.common-V5-ndk",
+                "android.hardware.graphics.common-V6-ndk",
             ],
         },
     },
@@ -91,7 +91,7 @@
     target: {
         linux: {
             shared_libs: [
-                "android.hardware.graphics.common-V5-ndk",
+                "android.hardware.graphics.common-V6-ndk",
             ],
         },
     },
diff --git a/graphics/allocator/aidl/Android.bp b/graphics/allocator/aidl/Android.bp
index 30b341c..3f74b23 100644
--- a/graphics/allocator/aidl/Android.bp
+++ b/graphics/allocator/aidl/Android.bp
@@ -45,7 +45,7 @@
             version: "2",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
 
diff --git a/graphics/composer/aidl/Android.bp b/graphics/composer/aidl/Android.bp
index f4264eb..655188d 100644
--- a/graphics/composer/aidl/Android.bp
+++ b/graphics/composer/aidl/Android.bp
@@ -59,21 +59,21 @@
         {
             version: "1",
             imports: [
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
                 "android.hardware.common-V2",
             ],
         },
         {
             version: "2",
             imports: [
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
                 "android.hardware.common-V2",
             ],
         },
         {
             version: "3",
             imports: [
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
                 "android.hardware.common-V2",
             ],
         },
diff --git a/graphics/mapper/4.0/utils/vts/Android.bp b/graphics/mapper/4.0/utils/vts/Android.bp
index c5f124c..1be460e 100644
--- a/graphics/mapper/4.0/utils/vts/Android.bp
+++ b/graphics/mapper/4.0/utils/vts/Android.bp
@@ -48,7 +48,7 @@
     ],
     export_static_lib_headers: [
         "android.hardware.graphics.allocator@4.0",
-        "android.hardware.graphics.common-V5-ndk",
+        "android.hardware.graphics.common-V6-ndk",
         "android.hardware.graphics.mapper@4.0",
     ],
     export_include_dirs: ["include"],
diff --git a/light/2.0/vts/functional/Android.bp b/light/2.0/vts/functional/Android.bp
index 91fb847..53e5446 100644
--- a/light/2.0/vts/functional/Android.bp
+++ b/light/2.0/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/light/aidl/vts/functional/Android.bp b/light/aidl/vts/functional/Android.bp
index 16804ea..ba05e2b 100644
--- a/light/aidl/vts/functional/Android.bp
+++ b/light/aidl/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/neuralnetworks/1.0/vts/functional/Android.bp b/neuralnetworks/1.0/vts/functional/Android.bp
index 8048e62..ed0e72b 100644
--- a/neuralnetworks/1.0/vts/functional/Android.bp
+++ b/neuralnetworks/1.0/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/neuralnetworks/1.1/vts/functional/Android.bp b/neuralnetworks/1.1/vts/functional/Android.bp
index 7c1c118..e65735f 100644
--- a/neuralnetworks/1.1/vts/functional/Android.bp
+++ b/neuralnetworks/1.1/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/neuralnetworks/1.2/vts/functional/Android.bp b/neuralnetworks/1.2/vts/functional/Android.bp
index 7e4b5bb..0a3c577 100644
--- a/neuralnetworks/1.2/vts/functional/Android.bp
+++ b/neuralnetworks/1.2/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/neuralnetworks/aidl/Android.bp b/neuralnetworks/aidl/Android.bp
index 9589750..45b34e6 100644
--- a/neuralnetworks/aidl/Android.bp
+++ b/neuralnetworks/aidl/Android.bp
@@ -43,28 +43,28 @@
             version: "1",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
             version: "2",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
             version: "3",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
         {
             version: "4",
             imports: [
                 "android.hardware.common-V2",
-                "android.hardware.graphics.common-V5",
+                "android.hardware.graphics.common-V6",
             ],
         },
 
diff --git a/neuralnetworks/aidl/vts/functional/Android.bp b/neuralnetworks/aidl/vts/functional/Android.bp
index 04b4a45..20686c1 100644
--- a/neuralnetworks/aidl/vts/functional/Android.bp
+++ b/neuralnetworks/aidl/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_android_kernel",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/nfc/aidl/aidl_api/android.hardware.nfc/current/android/hardware/nfc/ProtocolDiscoveryConfig.aidl b/nfc/aidl/aidl_api/android.hardware.nfc/current/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
index 021dfe2..2df0d35 100644
--- a/nfc/aidl/aidl_api/android.hardware.nfc/current/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
+++ b/nfc/aidl/aidl_api/android.hardware.nfc/current/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
@@ -43,4 +43,5 @@
   byte discoveryPollKovio;
   byte discoveryPollBPrime;
   byte discoveryListenBPrime;
+  byte protocolChineseId;
 }
diff --git a/nfc/aidl/android/hardware/nfc/ProtocolDiscoveryConfig.aidl b/nfc/aidl/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
index f8e3228..021e307 100644
--- a/nfc/aidl/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
+++ b/nfc/aidl/android/hardware/nfc/ProtocolDiscoveryConfig.aidl
@@ -33,4 +33,5 @@
     byte discoveryPollKovio;
     byte discoveryPollBPrime;
     byte discoveryListenBPrime;
+    byte protocolChineseId;
 }
diff --git a/oemlock/1.0/vts/functional/Android.bp b/oemlock/1.0/vts/functional/Android.bp
index f1b8d2f..80b4fdb 100644
--- a/oemlock/1.0/vts/functional/Android.bp
+++ b/oemlock/1.0/vts/functional/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_pixel_watch_system_software",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/oemlock/aidl/vts/Android.bp b/oemlock/aidl/vts/Android.bp
index eb999a9..e19bc6a 100644
--- a/oemlock/aidl/vts/Android.bp
+++ b/oemlock/aidl/vts/Android.bp
@@ -15,6 +15,7 @@
 //
 
 package {
+    default_team: "trendy_team_pixel_watch_system_software",
     // See: http://go/android-license-faq
     // A large-scale-change added 'default_applicable_licenses' to import
     // all of the 'license_kinds' from "hardware_interfaces_license"
diff --git a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionMode.aidl b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionMode.aidl
index d0ae0ba..ffa790d 100644
--- a/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionMode.aidl
+++ b/power/aidl/aidl_api/android.hardware.power/current/android/hardware/power/SessionMode.aidl
@@ -35,4 +35,5 @@
 @Backing(type="int") @VintfStability
 enum SessionMode {
   POWER_EFFICIENCY,
+  GRAPHICS_PIPELINE,
 }
diff --git a/power/aidl/android/hardware/power/SessionMode.aidl b/power/aidl/android/hardware/power/SessionMode.aidl
index f1ee64e..3d5a76f 100644
--- a/power/aidl/android/hardware/power/SessionMode.aidl
+++ b/power/aidl/android/hardware/power/SessionMode.aidl
@@ -25,4 +25,11 @@
      * and can be safely scheduled to prefer power efficiency.
      */
     POWER_EFFICIENCY,
+
+    /**
+     * This mode indicates that the threads associated with this hint session
+     * are part of the graphics pipeline, implying that they are on a critical path
+     * which will be called of higher priority in terms of CPU resources and scheduling.
+     */
+    GRAPHICS_PIPELINE,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataCallFailCause.aidl b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataCallFailCause.aidl
index 009b428..b51205f 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataCallFailCause.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataCallFailCause.aidl
@@ -192,11 +192,29 @@
   NON_IP_NOT_SUPPORTED = 0x815,
   PDN_NON_IP_CALL_THROTTLED = 0x816,
   PDN_NON_IP_CALL_DISALLOWED = 0x817,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_LOCK = 0x818,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_INTERCEPT = 0x819,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_REORDER = 0x81A,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_RELEASE_DUE_TO_SO_REJECTION = 0x81B,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_INCOMING_CALL = 0x81C,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_ALERT_STOP = 0x81D,
   CHANNEL_ACQUISITION_FAILURE = 0x81E,
   MAX_ACCESS_PROBE = 0x81F,
@@ -204,8 +222,14 @@
   NO_RESPONSE_FROM_BASE_STATION = 0x821,
   REJECTED_BY_BASE_STATION = 0x822,
   CONCURRENT_SERVICES_INCOMPATIBLE = 0x823,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   NO_CDMA_SERVICE = 0x824,
   RUIM_NOT_PRESENT = 0x825,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_RETRY_ORDER = 0x826,
   ACCESS_BLOCK = 0x827,
   ACCESS_BLOCK_ALL = 0x828,
@@ -324,12 +348,33 @@
   LOWER_LAYER_REGISTRATION_FAILURE = 0x895,
   DATA_PLAN_EXPIRED = 0x896,
   UMTS_HANDOVER_TO_IWLAN = 0x897,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_CONNECTION_DENY_BY_GENERAL_OR_NETWORK_BUSY = 0x898,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_CONNECTION_DENY_BY_BILLING_OR_AUTHENTICATION_FAILURE = 0x899,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_HDR_CHANGED = 0x89A,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_HDR_EXITED = 0x89B,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_HDR_NO_SESSION = 0x89C,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_USING_GPS_FIX_INSTEAD_OF_HDR_CALL = 0x89D,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_HDR_CONNECTION_SETUP_TIMEOUT = 0x89E,
   FAILED_TO_ACQUIRE_COLOCATED_HDR = 0x89F,
   OTASP_COMMIT_IN_PROGRESS = 0x8A0,
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
index abfb308..99ab0ea 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
@@ -35,7 +35,16 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaBroadcastSmsConfigInfo {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int serviceCategory;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int language;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean selected;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAck.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAck.aidl
index ee8371c..00e584b 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAck.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAck.aidl
@@ -35,6 +35,12 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSmsAck {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean errorClass;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int smsCauseCode;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAddress.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAddress.aidl
index 7382b1f..6a64595 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAddress.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsAddress.aidl
@@ -35,35 +35,128 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSmsAddress {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int digitMode;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean isNumberModeDataNetwork;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int numberType;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int numberPlan;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte[] digits;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int DIGIT_MODE_FOUR_BIT = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int DIGIT_MODE_EIGHT_BIT = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_UNKNOWN = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_TELEPHONY = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_2 = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_DATA = 3;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_TELEX = 4;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_5 = 5;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_6 = 6;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_7 = 7;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_8 = 8;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_PRIVATE = 9;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_10 = 10;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_11 = 11;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_12 = 12;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_13 = 13;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_14 = 14;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_RESERVED_15 = 15;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_UNKNOWN = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_INTERNATIONAL_OR_DATA_IP = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_NATIONAL_OR_INTERNET_MAIL = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_NETWORK = 3;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_SUBSCRIBER = 4;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_ALPHANUMERIC = 5;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_ABBREVIATED = 6;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_RESERVED_7 = 7;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsMessage.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsMessage.aidl
index 0e98f4b..bbf8983 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsMessage.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsMessage.aidl
@@ -35,10 +35,28 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSmsMessage {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int teleserviceId;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean isServicePresent;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int serviceCategory;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.messaging.CdmaSmsAddress address;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.messaging.CdmaSmsSubaddress subAddress;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte[] bearerData;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
index a0e3991..50c3af5 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
@@ -35,9 +35,24 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSmsSubaddress {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int subaddressType;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean odd;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte[] digits;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int SUBADDRESS_TYPE_NSAP = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int SUBADDRESS_TYPE_USER_SPECIFIED = 1;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
index d6292e7..759407f 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
@@ -35,10 +35,28 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSmsWriteArgs {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int status;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.messaging.CdmaSmsMessage message;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int STATUS_REC_UNREAD = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int STATUS_REC_READ = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int STATUS_STO_UNSENT = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int STATUS_STO_SENT = 3;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
index bf5fde5..c69fcac 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
@@ -36,26 +36,50 @@
 @VintfStability
 interface IRadioMessaging {
   oneway void acknowledgeIncomingGsmSmsWithPdu(in int serial, in boolean success, in String ackPdu);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void acknowledgeLastIncomingCdmaSms(in int serial, in android.hardware.radio.messaging.CdmaSmsAck smsAck);
   oneway void acknowledgeLastIncomingGsmSms(in int serial, in boolean success, in android.hardware.radio.messaging.SmsAcknowledgeFailCause cause);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void deleteSmsOnRuim(in int serial, in int index);
   oneway void deleteSmsOnSim(in int serial, in int index);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaBroadcastConfig(in int serial);
   oneway void getGsmBroadcastConfig(in int serial);
   oneway void getSmscAddress(in int serial);
   oneway void reportSmsMemoryStatus(in int serial, in boolean available);
   oneway void responseAcknowledgement();
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaSms(in int serial, in android.hardware.radio.messaging.CdmaSmsMessage sms);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaSmsExpectMore(in int serial, in android.hardware.radio.messaging.CdmaSmsMessage sms);
   oneway void sendImsSms(in int serial, in android.hardware.radio.messaging.ImsSmsMessage message);
   oneway void sendSms(in int serial, in android.hardware.radio.messaging.GsmSmsMessage message);
   oneway void sendSmsExpectMore(in int serial, in android.hardware.radio.messaging.GsmSmsMessage message);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaBroadcastActivation(in int serial, in boolean activate);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaBroadcastConfig(in int serial, in android.hardware.radio.messaging.CdmaBroadcastSmsConfigInfo[] configInfo);
   oneway void setGsmBroadcastActivation(in int serial, in boolean activate);
   oneway void setGsmBroadcastConfig(in int serial, in android.hardware.radio.messaging.GsmBroadcastSmsConfigInfo[] configInfo);
   oneway void setResponseFunctions(in android.hardware.radio.messaging.IRadioMessagingResponse radioMessagingResponse, in android.hardware.radio.messaging.IRadioMessagingIndication radioMessagingIndication);
   oneway void setSmscAddress(in int serial, in String smsc);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void writeSmsToRuim(in int serial, in android.hardware.radio.messaging.CdmaSmsWriteArgs cdmaSms);
   oneway void writeSmsToSim(in int serial, in android.hardware.radio.messaging.SmsWriteArgs smsWriteArgs);
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
index 389fb26..a5cde9a 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
@@ -35,7 +35,13 @@
 /* @hide */
 @VintfStability
 interface IRadioMessagingIndication {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaNewSms(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.messaging.CdmaSmsMessage msg);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaRuimSmsStorageFull(in android.hardware.radio.RadioIndicationType type);
   oneway void newBroadcastSms(in android.hardware.radio.RadioIndicationType type, in byte[] data);
   oneway void newSms(in android.hardware.radio.RadioIndicationType type, in byte[] pdu);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
index 9b10464..c2403e4 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
@@ -36,25 +36,49 @@
 @VintfStability
 interface IRadioMessagingResponse {
   oneway void acknowledgeIncomingGsmSmsWithPduResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void acknowledgeLastIncomingCdmaSmsResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void acknowledgeLastIncomingGsmSmsResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void acknowledgeRequest(in int serial);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void deleteSmsOnRuimResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void deleteSmsOnSimResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.CdmaBroadcastSmsConfigInfo[] configs);
   oneway void getGsmBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.GsmBroadcastSmsConfigInfo[] configs);
   oneway void getSmscAddressResponse(in android.hardware.radio.RadioResponseInfo info, in String smsc);
   oneway void reportSmsMemoryStatusResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaSmsExpectMoreResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaSmsResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
   oneway void sendImsSmsResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
   oneway void sendSmsExpectMoreResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
   oneway void sendSmsResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaBroadcastActivationResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setGsmBroadcastActivationResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setGsmBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setSmscAddressResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void writeSmsToRuimResponse(in android.hardware.radio.RadioResponseInfo info, in int index);
   oneway void writeSmsToSimResponse(in android.hardware.radio.RadioResponseInfo info, in int index);
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/ImsSmsMessage.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/ImsSmsMessage.aidl
index 40b9ddb..e52b57a 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/ImsSmsMessage.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/ImsSmsMessage.aidl
@@ -38,6 +38,9 @@
   android.hardware.radio.RadioTechnologyFamily tech;
   boolean retry;
   int messageRef;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.messaging.CdmaSmsMessage[] cdmaMessage;
   android.hardware.radio.messaging.GsmSmsMessage[] gsmMessage;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/SendSmsResult.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/SendSmsResult.aidl
index 3f1d120..ae398a9 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/SendSmsResult.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/SendSmsResult.aidl
@@ -35,7 +35,16 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable SendSmsResult {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int messageRef;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   String ackPDU;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int errorCode;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
index 667a8a7..36b9cdd 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
@@ -36,6 +36,9 @@
 @JavaDerive(toString=true) @VintfStability
 union AccessTechnologySpecificInfo {
   boolean noinit;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.Cdma2000RegistrationInfo cdmaInfo;
   android.hardware.radio.network.EutranRegistrationInfo eutranInfo;
   android.hardware.radio.network.NrVopsInfo ngranNrVopsInfo;
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
index bc9c0ba..5fbd6c4 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
@@ -35,11 +35,32 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable Cdma2000RegistrationInfo {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean cssSupported;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int roamingIndicator;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int systemIsInPrl;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int defaultRoamingIndicator;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int PRL_INDICATOR_NOT_REGISTERED = (-1) /* -1 */;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int PRL_INDICATOR_NOT_IN_PRL = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int PRL_INDICATOR_IN_PRL = 1;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaRoamingType.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaRoamingType.aidl
index 84532e3..ed9a9eb 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaRoamingType.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaRoamingType.aidl
@@ -35,7 +35,16 @@
 /* @hide */
 @Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum CdmaRoamingType {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   HOME_NETWORK,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   AFFILIATED_ROAM,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   ANY_ROAM,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaSignalStrength.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaSignalStrength.aidl
index 94430a8..6e68665 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaSignalStrength.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CdmaSignalStrength.aidl
@@ -35,6 +35,12 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSignalStrength {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int dbm;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int ecio;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentity.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentity.aidl
index ba27b39..dbd1575 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentity.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentity.aidl
@@ -39,6 +39,9 @@
   android.hardware.radio.network.CellIdentityGsm gsm;
   android.hardware.radio.network.CellIdentityWcdma wcdma;
   android.hardware.radio.network.CellIdentityTdscdma tdscdma;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.CellIdentityCdma cdma;
   android.hardware.radio.network.CellIdentityLte lte;
   android.hardware.radio.network.CellIdentityNr nr;
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentityCdma.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentityCdma.aidl
index 63571bb..548afd2 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentityCdma.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellIdentityCdma.aidl
@@ -35,10 +35,28 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CellIdentityCdma {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int networkId;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int systemId;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int baseStationId;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int longitude;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int latitude;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.OperatorInfo operatorNames;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoCdma.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoCdma.aidl
index 6d76a26..18c9496 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoCdma.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoCdma.aidl
@@ -35,7 +35,16 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CellInfoCdma {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.CellIdentityCdma cellIdentityCdma;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.CdmaSignalStrength signalStrengthCdma;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.EvdoSignalStrength signalStrengthEvdo;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
index fd3239d..732e70f 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
@@ -40,5 +40,8 @@
   android.hardware.radio.network.CellInfoTdscdma tdscdma;
   android.hardware.radio.network.CellInfoLte lte;
   android.hardware.radio.network.CellInfoNr nr;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.CellInfoCdma cdma;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EvdoSignalStrength.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EvdoSignalStrength.aidl
index e97e17d..2a7eccb 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EvdoSignalStrength.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/EvdoSignalStrength.aidl
@@ -35,7 +35,16 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable EvdoSignalStrength {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int dbm;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int ecio;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int signalNoiseRatio;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
index 8af617f..37737a7 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetwork.aidl
@@ -39,6 +39,9 @@
   oneway void getAvailableBandModes(in int serial);
   oneway void getAvailableNetworks(in int serial);
   oneway void getBarringInfo(in int serial);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaRoamingPreference(in int serial);
   oneway void getCellInfoList(in int serial);
   oneway void getDataRegistrationState(in int serial);
@@ -57,6 +60,9 @@
   oneway void setAllowedNetworkTypesBitmap(in int serial, in int networkTypeBitmap);
   oneway void setBandMode(in int serial, in android.hardware.radio.network.RadioBandMode mode);
   oneway void setBarringPassword(in int serial, in String facility, in String oldPassword, in String newPassword);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaRoamingPreference(in int serial, in android.hardware.radio.network.CdmaRoamingType type);
   oneway void setCellInfoListRate(in int serial, in int rate);
   oneway void setIndicationFilter(in int serial, in int indicationFilter);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkIndication.aidl
index 8eea14f..d4d6118 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkIndication.aidl
@@ -36,6 +36,9 @@
 @VintfStability
 interface IRadioNetworkIndication {
   oneway void barringInfoChanged(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.network.CellIdentity cellIdentity, in android.hardware.radio.network.BarringInfo[] barringInfos);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaPrlChanged(in android.hardware.radio.RadioIndicationType type, in int version);
   oneway void cellInfoList(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.network.CellInfo[] records);
   oneway void currentLinkCapacityEstimate(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.network.LinkCapacityEstimate lce);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
index e7f2918..4c6d100 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/IRadioNetworkResponse.aidl
@@ -40,6 +40,9 @@
   oneway void getAvailableBandModesResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.RadioBandMode[] bandModes);
   oneway void getAvailableNetworksResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.OperatorInfo[] networkInfos);
   oneway void getBarringInfoResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.CellIdentity cellIdentity, in android.hardware.radio.network.BarringInfo[] barringInfos);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaRoamingPreferenceResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.CdmaRoamingType type);
   oneway void getCellInfoListResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.CellInfo[] cellInfo);
   oneway void getDataRegistrationStateResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.network.RegStateResult dataRegResponse);
@@ -57,6 +60,9 @@
   oneway void setAllowedNetworkTypesBitmapResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setBandModeResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setBarringPasswordResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaRoamingPreferenceResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCellInfoListRateResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setIndicationFilterResponse(in android.hardware.radio.RadioResponseInfo info);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SignalStrength.aidl b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SignalStrength.aidl
index da7db9a..196ff19 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SignalStrength.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/SignalStrength.aidl
@@ -36,7 +36,13 @@
 @JavaDerive(toString=true) @VintfStability
 parcelable SignalStrength {
   android.hardware.radio.network.GsmSignalStrength gsm;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.CdmaSignalStrength cdma;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.network.EvdoSignalStrength evdo;
   android.hardware.radio.network.LteSignalStrength lte;
   android.hardware.radio.network.TdscdmaSignalStrength tdscdma;
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CardStatus.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CardStatus.aidl
index 1a9d621..4cdbf81 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CardStatus.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CardStatus.aidl
@@ -38,6 +38,9 @@
   int cardState;
   android.hardware.radio.sim.PinState universalPinState;
   int gsmUmtsSubscriptionAppIndex;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int cdmaSubscriptionAppIndex;
   int imsSubscriptionAppIndex;
   android.hardware.radio.sim.AppStatus[] applications;
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CdmaSubscriptionSource.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
index 13b06e7..d3e8295 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
@@ -35,6 +35,12 @@
 /* @hide */
 @Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum CdmaSubscriptionSource {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   RUIM_SIM,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   NV,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSim.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSim.aidl
index 1728e41..5a4c5c1 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSim.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSim.aidl
@@ -40,7 +40,13 @@
   oneway void changeIccPinForApp(in int serial, in String oldPin, in String newPin, in String aid);
   oneway void enableUiccApplications(in int serial, in boolean enable);
   oneway void getAllowedCarriers(in int serial);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaSubscription(in int serial);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaSubscriptionSource(in int serial);
   oneway void getFacilityLockForApp(in int serial, in String facility, in String password, in int serviceClass, in String appId);
   oneway void getIccCardStatus(in int serial);
@@ -63,6 +69,9 @@
   oneway void sendTerminalResponseToSim(in int serial, in String contents);
   oneway void setAllowedCarriers(in int serial, in android.hardware.radio.sim.CarrierRestrictions carriers, in android.hardware.radio.sim.SimLockMultiSimPolicy multiSimPolicy);
   oneway void setCarrierInfoForImsiEncryption(in int serial, in android.hardware.radio.sim.ImsiEncryptionInfo imsiEncryptionInfo);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaSubscriptionSource(in int serial, in android.hardware.radio.sim.CdmaSubscriptionSource cdmaSub);
   oneway void setFacilityLockForApp(in int serial, in String facility, in boolean lockState, in String password, in int serviceClass, in String appId);
   oneway void setResponseFunctions(in android.hardware.radio.sim.IRadioSimResponse radioSimResponse, in android.hardware.radio.sim.IRadioSimIndication radioSimIndication);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimIndication.aidl
index a74b65a..0c4df06 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimIndication.aidl
@@ -36,6 +36,9 @@
 @VintfStability
 interface IRadioSimIndication {
   oneway void carrierInfoForImsiEncryption(in android.hardware.radio.RadioIndicationType info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaSubscriptionSourceChanged(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.sim.CdmaSubscriptionSource cdmaSource);
   oneway void simPhonebookChanged(in android.hardware.radio.RadioIndicationType type);
   oneway void simPhonebookRecordsReceived(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.sim.PbReceivedStatus status, in android.hardware.radio.sim.PhonebookRecordInfo[] records);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimResponse.aidl
index c653847..a512bae 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/IRadioSimResponse.aidl
@@ -41,7 +41,13 @@
   oneway void changeIccPinForAppResponse(in android.hardware.radio.RadioResponseInfo info, in int remainingRetries);
   oneway void enableUiccApplicationsResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void getAllowedCarriersResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.sim.CarrierRestrictions carriers, in android.hardware.radio.sim.SimLockMultiSimPolicy multiSimPolicy);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaSubscriptionResponse(in android.hardware.radio.RadioResponseInfo info, in String mdn, in String hSid, in String hNid, in String min, in String prl);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void getCdmaSubscriptionSourceResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.sim.CdmaSubscriptionSource source);
   oneway void getFacilityLockForAppResponse(in android.hardware.radio.RadioResponseInfo info, in int response);
   oneway void getIccCardStatusResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.sim.CardStatus cardStatus);
@@ -63,6 +69,9 @@
   oneway void sendTerminalResponseToSimResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setAllowedCarriersResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCarrierInfoForImsiEncryptionResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void setCdmaSubscriptionSourceResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setFacilityLockForAppResponse(in android.hardware.radio.RadioResponseInfo info, in int retry);
   oneway void setSimCardPowerResponse(in android.hardware.radio.RadioResponseInfo info);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/Call.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/Call.aidl
index b45a45b..8bfd7ed 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/Call.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/Call.aidl
@@ -42,6 +42,9 @@
   boolean isMT;
   byte als;
   boolean isVoice;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean isVoicePrivacy;
   String number;
   int numberPresentation;
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaCallWaiting.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaCallWaiting.aidl
index 0b36be4..7eb8c4e 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaCallWaiting.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaCallWaiting.aidl
@@ -35,24 +35,84 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaCallWaiting {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   String number;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int numberPresentation;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   String name;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaSignalInfoRecord signalInfoRecord;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int numberType;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int numberPlan;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_UNKNOWN = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_ISDN = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_DATA = 3;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_TELEX = 4;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_NATIONAL = 8;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PLAN_PRIVATE = 9;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PRESENTATION_ALLOWED = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PRESENTATION_RESTRICTED = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_PRESENTATION_UNKNOWN = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_UNKNOWN = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_INTERNATIONAL = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_NATIONAL = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_NETWORK_SPECIFIC = 3;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NUMBER_TYPE_SUBSCRIBER = 4;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
index 300b03f..eb97488 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
@@ -35,6 +35,12 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaDisplayInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   String alphaBuf;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int CDMA_ALPHA_INFO_BUFFER_LENGTH = 64;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaInformationRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaInformationRecord.aidl
index 2f7f5f0..4f421b1 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaInformationRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaInformationRecord.aidl
@@ -35,24 +35,84 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaInformationRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int name;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaDisplayInfoRecord[] display;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaNumberInfoRecord[] number;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaSignalInfoRecord[] signal;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaRedirectingNumberInfoRecord[] redir;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaLineControlInfoRecord[] lineCtrl;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaT53ClirInfoRecord[] clir;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaT53AudioControlInfoRecord[] audioCtrl;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int CDMA_MAX_NUMBER_OF_INFO_RECS = 10;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_DISPLAY = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_CALLED_PARTY_NUMBER = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_CALLING_PARTY_NUMBER = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_CONNECTED_NUMBER = 3;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_SIGNAL = 4;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_REDIRECTING_NUMBER = 5;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_LINE_CONTROL = 6;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_EXTENDED_DISPLAY = 7;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_T53_CLIR = 8;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_T53_RELEASE = 9;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int NAME_T53_AUDIO_CONTROL = 10;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
index 4e4a7ee..6968a8a 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
@@ -35,8 +35,20 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaLineControlInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte lineCtrlPolarityIncluded;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte lineCtrlToggle;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte lineCtrlReverse;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte lineCtrlPowerDenial;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
index c3b0d5a..d2c09d6 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
@@ -35,10 +35,28 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaNumberInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   String number;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte numberType;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte numberPlan;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte pi;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte si;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int CDMA_NUMBER_INFO_BUFFER_LENGTH = 81;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
index ae35fba..0bf802d 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
@@ -35,16 +35,52 @@
 /* @hide */
 @Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum CdmaOtaProvisionStatus {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   SPL_UNLOCKED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   SPC_RETRIES_EXCEEDED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   A_KEY_EXCHANGED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   SSD_UPDATED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   NAM_DOWNLOADED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   MDN_DOWNLOADED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   IMSI_DOWNLOADED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   PRL_DOWNLOADED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   COMMITTED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   OTAPA_STARTED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   OTAPA_STOPPED,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   OTAPA_ABORTED,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
index 93c7c6b..4e40cc7 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
@@ -35,13 +35,40 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaRedirectingNumberInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   android.hardware.radio.voice.CdmaNumberInfoRecord redirectingNumber;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   int redirectingReason;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_UNKNOWN = 0;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_CALL_FORWARDING_BUSY = 1;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_CALL_FORWARDING_NO_REPLY = 2;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_CALLED_DTE_OUT_OF_ORDER = 9;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_CALL_FORWARDING_BY_THE_CALLED_DTE = 10;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_CALL_FORWARDING_UNCONDITIONAL = 15;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   const int REDIRECTING_REASON_RESERVED = 16;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
index 69447b4..04e7bdc 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
@@ -35,8 +35,20 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaSignalInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   boolean isPresent;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte signalType;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte alertPitch;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte signal;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
index 69d79aa..733d822 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
@@ -35,6 +35,12 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaT53AudioControlInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte upLink;
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte downLink;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
index 83b6fb9..9cf931c 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
@@ -35,5 +35,8 @@
 /* @hide */
 @JavaDerive(toString=true) @VintfStability
 parcelable CdmaT53ClirInfoRecord {
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   byte cause;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
index d0a9451..d519bd9 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
@@ -59,6 +59,9 @@
   oneway void rejectCall(in int serial);
   oneway void responseAcknowledgement();
   oneway void sendBurstDtmf(in int serial, in String dtmf, in int on, in int off);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaFeatureCode(in int serial, in String featureCode);
   oneway void sendDtmf(in int serial, in String s);
   oneway void sendUssd(in int serial, in String ussd);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
index 4614ee1..fac27f4 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
@@ -37,8 +37,17 @@
 interface IRadioVoiceIndication {
   oneway void callRing(in android.hardware.radio.RadioIndicationType type, in boolean isGsm, in android.hardware.radio.voice.CdmaSignalInfoRecord record);
   oneway void callStateChanged(in android.hardware.radio.RadioIndicationType type);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaCallWaiting(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.CdmaCallWaiting callWaitingRecord);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaInfoRec(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.CdmaInformationRecord[] records);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void cdmaOtaProvisionStatus(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.CdmaOtaProvisionStatus status);
   oneway void currentEmergencyNumberList(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.EmergencyNumber[] emergencyNumberList);
   oneway void enterEmergencyCallbackMode(in android.hardware.radio.RadioIndicationType type);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
index 46927c2..8a0af44 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
@@ -59,6 +59,9 @@
   oneway void isVoNrEnabledResponse(in android.hardware.radio.RadioResponseInfo info, in boolean enable);
   oneway void rejectCallResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void sendBurstDtmfResponse(in android.hardware.radio.RadioResponseInfo info);
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   oneway void sendCdmaFeatureCodeResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void sendDtmfResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void sendUssdResponse(in android.hardware.radio.RadioResponseInfo info);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/LastCallFailCause.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/LastCallFailCause.aidl
index 0cac135..d3d62c3 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/LastCallFailCause.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/LastCallFailCause.aidl
@@ -105,15 +105,45 @@
   RADIO_RELEASE_ABNORMAL = 259,
   ACCESS_CLASS_BLOCKED = 260,
   NETWORK_DETACH = 261,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_LOCKED_UNTIL_POWER_CYCLE = 1000,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_DROP = 1001,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_INTERCEPT = 1002,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_REORDER = 1003,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_SO_REJECT = 1004,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_RETRY_ORDER = 1005,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_ACCESS_FAILURE = 1006,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_PREEMPTED = 1007,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_NOT_EMERGENCY = 1008,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA_ACCESS_BLOCKED = 1009,
   OEM_CAUSE_1 = 0xf001,
   OEM_CAUSE_2 = 0xf002,
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/AccessNetwork.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/AccessNetwork.aidl
index 73a267b..c719846 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/AccessNetwork.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/AccessNetwork.aidl
@@ -39,6 +39,9 @@
   GERAN,
   UTRAN,
   EUTRAN,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   CDMA2000,
   IWLAN,
   NGRAN,
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
index 1298ab0..b400bbe 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioAccessFamily.aidl
@@ -41,12 +41,24 @@
   UMTS = (1 << android.hardware.radio.RadioTechnology.UMTS) /* 8 */,
   IS95A = (1 << android.hardware.radio.RadioTechnology.IS95A) /* 16 */,
   IS95B = (1 << android.hardware.radio.RadioTechnology.IS95B) /* 32 */,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   ONE_X_RTT = (1 << android.hardware.radio.RadioTechnology.ONE_X_RTT) /* 64 */,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_0 = (1 << android.hardware.radio.RadioTechnology.EVDO_0) /* 128 */,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_A = (1 << android.hardware.radio.RadioTechnology.EVDO_A) /* 256 */,
   HSDPA = (1 << android.hardware.radio.RadioTechnology.HSDPA) /* 512 */,
   HSUPA = (1 << android.hardware.radio.RadioTechnology.HSUPA) /* 1024 */,
   HSPA = (1 << android.hardware.radio.RadioTechnology.HSPA) /* 2048 */,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_B = (1 << android.hardware.radio.RadioTechnology.EVDO_B) /* 4096 */,
   EHRPD = (1 << android.hardware.radio.RadioTechnology.EHRPD) /* 8192 */,
   LTE = (1 << android.hardware.radio.RadioTechnology.LTE) /* 16384 */,
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
index 7c6a657..7d2d08c 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnology.aidl
@@ -41,12 +41,24 @@
   UMTS,
   IS95A,
   IS95B,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   ONE_X_RTT,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_0,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_A,
   HSDPA,
   HSUPA,
   HSPA,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   EVDO_B,
   EHRPD,
   LTE,
diff --git a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnologyFamily.aidl b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnologyFamily.aidl
index 85e9850..9b05c97 100644
--- a/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnologyFamily.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio/current/android/hardware/radio/RadioTechnologyFamily.aidl
@@ -36,5 +36,8 @@
 @Backing(type="int") @JavaDerive(toString=true) @VintfStability
 enum RadioTechnologyFamily {
   THREE_GPP,
+  /**
+   * @deprecated Legacy CDMA is unsupported.
+   */
   THREE_GPP2,
 }
diff --git a/radio/aidl/android/hardware/radio/AccessNetwork.aidl b/radio/aidl/android/hardware/radio/AccessNetwork.aidl
index 4099f83..0d10009 100644
--- a/radio/aidl/android/hardware/radio/AccessNetwork.aidl
+++ b/radio/aidl/android/hardware/radio/AccessNetwork.aidl
@@ -39,6 +39,7 @@
     EUTRAN,
     /**
      * CDMA 2000 network
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA2000,
     /**
diff --git a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
index 9ab4583..6d38d59 100644
--- a/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
+++ b/radio/aidl/android/hardware/radio/RadioAccessFamily.aidl
@@ -29,12 +29,16 @@
     UMTS = 1 << RadioTechnology.UMTS,
     IS95A = 1 << RadioTechnology.IS95A,
     IS95B = 1 << RadioTechnology.IS95B,
+    /** @deprecated Legacy CDMA is unsupported. */
     ONE_X_RTT = 1 << RadioTechnology.ONE_X_RTT,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_0 = 1 << RadioTechnology.EVDO_0,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_A = 1 << RadioTechnology.EVDO_A,
     HSDPA = 1 << RadioTechnology.HSDPA,
     HSUPA = 1 << RadioTechnology.HSUPA,
     HSPA = 1 << RadioTechnology.HSPA,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_B = 1 << RadioTechnology.EVDO_B,
     EHRPD = 1 << RadioTechnology.EHRPD,
     LTE = 1 << RadioTechnology.LTE,
diff --git a/radio/aidl/android/hardware/radio/RadioError.aidl b/radio/aidl/android/hardware/radio/RadioError.aidl
index 9c39bc4..4640122 100644
--- a/radio/aidl/android/hardware/radio/RadioError.aidl
+++ b/radio/aidl/android/hardware/radio/RadioError.aidl
@@ -60,12 +60,11 @@
      */
     SMS_SEND_FAIL_RETRY = 10,
     /**
-     * Fail to set the location where CDMA subscription shall be retrieved because of SIM or
-     * RUIM card absent
+     * SIM or RUIM card absent
      */
     SIM_ABSENT = 11,
     /**
-     * Fail to find CDMA subscription from specified location
+     * Failed to find subscription from specified location
      */
     SUBSCRIPTION_NOT_AVAILABLE = 12,
     /**
diff --git a/radio/aidl/android/hardware/radio/RadioTechnology.aidl b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
index 7ae428b..cd82ef5 100644
--- a/radio/aidl/android/hardware/radio/RadioTechnology.aidl
+++ b/radio/aidl/android/hardware/radio/RadioTechnology.aidl
@@ -27,12 +27,16 @@
     UMTS,
     IS95A,
     IS95B,
+    /** @deprecated Legacy CDMA is unsupported. */
     ONE_X_RTT,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_0,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_A,
     HSDPA,
     HSUPA,
     HSPA,
+    /** @deprecated Legacy CDMA is unsupported. */
     EVDO_B,
     EHRPD,
     LTE,
diff --git a/radio/aidl/android/hardware/radio/RadioTechnologyFamily.aidl b/radio/aidl/android/hardware/radio/RadioTechnologyFamily.aidl
index 4b5498c..a13c358 100644
--- a/radio/aidl/android/hardware/radio/RadioTechnologyFamily.aidl
+++ b/radio/aidl/android/hardware/radio/RadioTechnologyFamily.aidl
@@ -27,6 +27,7 @@
     THREE_GPP,
     /**
      * 3GPP2 Technologies - CDMA
+     * @deprecated Legacy CDMA is unsupported.
      */
     THREE_GPP2,
 }
diff --git a/radio/aidl/android/hardware/radio/data/DataCallFailCause.aidl b/radio/aidl/android/hardware/radio/data/DataCallFailCause.aidl
index e015e8e..c5eeeb3 100644
--- a/radio/aidl/android/hardware/radio/data/DataCallFailCause.aidl
+++ b/radio/aidl/android/hardware/radio/data/DataCallFailCause.aidl
@@ -520,26 +520,32 @@
     PDN_NON_IP_CALL_DISALLOWED = 0x817,
     /**
      * Device in CDMA locked state.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_LOCK = 0x818,
     /**
      * Received an intercept order from the base station.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_INTERCEPT = 0x819,
     /**
      * Receiving a reorder from the base station.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_REORDER = 0x81A,
     /**
      * Receiving a release from the base station with a SO (Service Option) Reject reason.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_RELEASE_DUE_TO_SO_REJECTION = 0x81B,
     /**
      * Receiving an incoming call from the base station.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_INCOMING_CALL = 0x81C,
     /**
      * Received an alert stop from the base station due to incoming only.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_ALERT_STOP = 0x81D,
     /**
@@ -569,6 +575,7 @@
     CONCURRENT_SERVICES_INCOMPATIBLE = 0x823,
     /**
      * Device does not have CDMA service.
+     * @deprecated Legacy CDMA is unsupported.
      */
     NO_CDMA_SERVICE = 0x824,
     /**
@@ -577,6 +584,7 @@
     RUIM_NOT_PRESENT = 0x825,
     /**
      * Receiving a retry order from the base station.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_RETRY_ORDER = 0x826,
     /**
@@ -1061,30 +1069,37 @@
     UMTS_HANDOVER_TO_IWLAN = 0x897,
     /**
      * Received a connection deny due to general or network busy on EVDO network.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_CONNECTION_DENY_BY_GENERAL_OR_NETWORK_BUSY = 0x898,
     /**
      * Received a connection deny due to billing or authentication failure on EVDO network.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_CONNECTION_DENY_BY_BILLING_OR_AUTHENTICATION_FAILURE = 0x899,
     /**
      * HDR system has been changed due to redirection or the PRL was not preferred.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_HDR_CHANGED = 0x89A,
     /**
      * Device exited HDR due to redirection or the PRL was not preferred.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_HDR_EXITED = 0x89B,
     /**
      * Device does not have an HDR session.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_HDR_NO_SESSION = 0x89C,
     /**
      * It is ending an HDR call origination in favor of a GPS fix.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_USING_GPS_FIX_INSTEAD_OF_HDR_CALL = 0x89D,
     /**
      * Connection setup on the HDR system was time out.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EVDO_HDR_CONNECTION_SETUP_TIMEOUT = 0x89E,
     /**
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
index 35a6a8d..cef8f5d 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaBroadcastSmsConfigInfo.aidl
@@ -23,15 +23,18 @@
     /**
      * Defines a broadcast message identifier whose value is 0x0000 - 0xFFFF as defined in
      * C.R1001G 9.3.1 and 9.3.2.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int serviceCategory;
     /**
      * Language code of broadcast message whose value is 0x00 - 0x07 as defined in C.R1001G 9.2.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int language;
     /**
      * Selected false means message types specified in serviceCategory are not accepted,
      * while true means accepted.
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean selected;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaSmsAck.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaSmsAck.aidl
index 2544ab5..ea5d8b2 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaSmsAck.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaSmsAck.aidl
@@ -20,10 +20,12 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaSmsAck {
+    /** @deprecated Legacy CDMA is unsupported. */
     boolean errorClass;
     /**
      * SMS cause code as defined in N.S00005, 6.5.2.125.
      * Currently, only 35 (resource shortage) and 39 (other terminal problem) are reported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int smsCauseCode;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaSmsAddress.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaSmsAddress.aidl
index a7ad233..11d953b 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaSmsAddress.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaSmsAddress.aidl
@@ -22,40 +22,60 @@
 parcelable CdmaSmsAddress {
     /**
      * DTMF digits
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int DIGIT_MODE_FOUR_BIT = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int DIGIT_MODE_EIGHT_BIT = 1;
 
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_UNKNOWN = 0;
     /**
      * CCITT E.164 and E.163, including ISDN plan
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_PLAN_TELEPHONY = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_2 = 2;
     /**
      * CCITT X.121
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_PLAN_DATA = 3;
     /**
      * CCITT F.69
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_PLAN_TELEX = 4;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_5 = 5;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_6 = 6;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_7 = 7;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_8 = 8;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_PRIVATE = 9;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_10 = 10;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_11 = 11;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_12 = 12;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_13 = 13;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_14 = 14;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_RESERVED_15 = 15;
 
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_UNKNOWN = 0;
     /**
      * INTERNATIONAL is used when number mode is not data network address. DATA_IP is used when the
      * number mode is data network address.
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_TYPE_INTERNATIONAL_OR_DATA_IP = 1;
     /**
@@ -63,25 +83,33 @@
      * when the number mode is data network address. For INTERNET_MAIL, in the address data
      * "digits", each byte contains an ASCII character. Examples are: "x@y.com,a@b.com"
      * Ref TIA/EIA-637A 3.4.3.3
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_TYPE_NATIONAL_OR_INTERNET_MAIL = 2;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_NETWORK = 3;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_SUBSCRIBER = 4;
     /**
      * GSM SMS: address value is GSM 7-bit chars
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NUMBER_TYPE_ALPHANUMERIC = 5;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_ABBREVIATED = 6;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_RESERVED_7 = 7;
 
     /**
      * CdmaSmsDigitMode is of two types : 4 bit and 8 bit.
      * For 4-bit type, only "digits" field defined below in this struct is used.
      * Values are DIGIT_MODE_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int digitMode;
     /**
      * Used only when digitMode is 8-bit.
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean isNumberModeDataNetwork;
     /**
@@ -92,15 +120,18 @@
      * numberPlan = TELEPHONY
      * digits = ASCII digits, e.g. '1', '2', '3', '4', and '5'
      * Values are NUMBER_TYPE_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int numberType;
     /**
      * Used only when digitMode is 8-bit.
      * Values are NUMBER_PLAN_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int numberPlan;
     /**
      * Each byte in this array represents a 4 bit or 8-bit digit of address data.
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte[] digits;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaSmsMessage.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaSmsMessage.aidl
index 51388b6..5332d82 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaSmsMessage.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaSmsMessage.aidl
@@ -23,13 +23,19 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaSmsMessage {
+    /** @deprecated Legacy CDMA is unsupported. */
     int teleserviceId;
+    /** @deprecated Legacy CDMA is unsupported. */
     boolean isServicePresent;
+    /** @deprecated Legacy CDMA is unsupported. */
     int serviceCategory;
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaSmsAddress address;
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaSmsSubaddress subAddress;
     /**
      * 3GPP2 C.S0015-B, v2.0
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte[] bearerData;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
index 19d84ff..0a894ff 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaSmsSubaddress.aidl
@@ -22,23 +22,28 @@
 parcelable CdmaSmsSubaddress {
     /**
      * CCITT X.213 or ISO 8348 AD2
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int SUBADDRESS_TYPE_NSAP = 0;
     /**
      * e.g. X.25
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int SUBADDRESS_TYPE_USER_SPECIFIED = 1;
 
     /**
      * Values are SUBADDRESS_TYPE_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int subaddressType;
     /**
      * True means the last byte's lower 4 bits must be ignored
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean odd;
     /**
      * Each byte represents an 8-bit digit of subaddress data
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte[] digits;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl b/radio/aidl/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
index 897ec80..3047859 100644
--- a/radio/aidl/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/CdmaSmsWriteArgs.aidl
@@ -22,15 +22,21 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaSmsWriteArgs {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int STATUS_REC_UNREAD = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int STATUS_REC_READ = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int STATUS_STO_UNSENT = 2;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int STATUS_STO_SENT = 3;
 
     /**
      * Status of message. See TS 27.005 3.1
      * Values are STATUS_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int status;
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaSmsMessage message;
 }
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
index 945453c..b60a225 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
@@ -65,6 +65,8 @@
      * Response function is IRadioMessagingResponse.acknowledgeLastIncomingCdmaSmsResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void acknowledgeLastIncomingCdmaSms(in int serial, in CdmaSmsAck smsAck);
 
@@ -94,6 +96,8 @@
      * Response function is IRadioMessagingResponse.deleteSmsOnRuimResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void deleteSmsOnRuim(in int serial, in int index);
 
@@ -117,6 +121,8 @@
      * Response function is IRadioMessagingResponse.getCdmaBroadcastConfigResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaBroadcastConfig(in int serial);
 
@@ -173,6 +179,8 @@
      * Response function is IRadioMessagingResponse.sendCdmaSmsResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaSms(in int serial, in CdmaSmsMessage sms);
 
@@ -186,6 +194,8 @@
      * Response function is IRadioMessagingResponse.sendCdmaSmsExpectMoreResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaSmsExpectMore(in int serial, in CdmaSmsMessage sms);
 
@@ -243,6 +253,8 @@
      * Response function is IRadioMessagingResponse.setCdmaBroadcastActivationResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaBroadcastActivation(in int serial, in boolean activate);
 
@@ -255,6 +267,8 @@
      * Response function is IRadioMessagingResponse.setCdmaBroadcastConfigResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaBroadcastConfig(in int serial, in CdmaBroadcastSmsConfigInfo[] configInfo);
 
@@ -315,6 +329,8 @@
      * Response function is IRadioMessagingResponse.writeSmsToRuimResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void writeSmsToRuim(in int serial, in CdmaSmsWriteArgs cdmaSms);
 
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
index a177c2c..4c6529b 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
@@ -32,6 +32,7 @@
      *
      * @param type Type of radio indication
      * @param msg Cdma Sms Message
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaNewSms(in RadioIndicationType type, in CdmaSmsMessage msg);
 
@@ -40,6 +41,7 @@
      * space is freed.
      *
      * @param type Type of radio indication
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaRuimSmsStorageFull(in RadioIndicationType type);
 
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
index f0d7999..9b6e461 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
@@ -62,6 +62,7 @@
      *   RadioError:OPERATION_NOT_ALLOWED
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
+     * @deprecated Legacy CDMA is unsupported.
      */
     void acknowledgeLastIncomingCdmaSmsResponse(in RadioResponseInfo info);
 
@@ -108,6 +109,7 @@
      *   RadioError:INVALID_MODEM_STATE
      *   RadioError:OPERATION_NOT_ALLOWED
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void deleteSmsOnRuimResponse(in RadioResponseInfo info);
 
@@ -153,6 +155,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:INVALID_MODEM_STATE
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaBroadcastConfigResponse(
             in RadioResponseInfo info, in CdmaBroadcastSmsConfigInfo[] configs);
@@ -257,6 +260,7 @@
      *   RadioError:SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED
      *   RadioError:ACCESS_BARRED
      *   RadioError:BLOCKED_DUE_TO_CALL
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaSmsExpectMoreResponse(in RadioResponseInfo info, in SendSmsResult sms);
 
@@ -291,6 +295,7 @@
      *   RadioError:SIMULTANEOUS_SMS_AND_CALL_NOT_ALLOWED
      *   RadioError:ACCESS_BARRED
      *   RadioError:BLOCKED_DUE_TO_CALL
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaSmsResponse(in RadioResponseInfo info, in SendSmsResult sms);
 
@@ -407,6 +412,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:INVALID_MODEM_STATE
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaBroadcastActivationResponse(in RadioResponseInfo info);
 
@@ -427,6 +433,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:INVALID_MODEM_STATE
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaBroadcastConfigResponse(in RadioResponseInfo info);
 
@@ -520,6 +527,7 @@
      *   RadioError:CANCELLED
      *   RadioError:INVALID_MODEM_STATE
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void writeSmsToRuimResponse(in RadioResponseInfo info, in int index);
 
diff --git a/radio/aidl/android/hardware/radio/messaging/ImsSmsMessage.aidl b/radio/aidl/android/hardware/radio/messaging/ImsSmsMessage.aidl
index 5f9f82b..3efa523 100644
--- a/radio/aidl/android/hardware/radio/messaging/ImsSmsMessage.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/ImsSmsMessage.aidl
@@ -37,6 +37,7 @@
     /**
      * Valid field if tech is 3GPP2 and size = 1 else must be empty. Only one of cdmaMessage and
      * gsmMessage must be of size 1 based on the RadioTechnologyFamily and the other must be size 0.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaSmsMessage[] cdmaMessage;
     /**
diff --git a/radio/aidl/android/hardware/radio/messaging/SendSmsResult.aidl b/radio/aidl/android/hardware/radio/messaging/SendSmsResult.aidl
index ea93727..da41d84 100644
--- a/radio/aidl/android/hardware/radio/messaging/SendSmsResult.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/SendSmsResult.aidl
@@ -23,15 +23,18 @@
     /**
      * TP-Message-Reference for GSM, and BearerData MessageId for CDMA.
      * See 3GPP2 C.S0015-B, v2.0, table 4.5-1
+     * @deprecated Legacy CDMA is unsupported.
      */
     int messageRef;
     /**
      * Ack PDU or empty string if n/a
+     * @deprecated Legacy CDMA is unsupported.
      */
     String ackPDU;
     /**
      * See 3GPP 27.005, 3.2.5 for GSM/UMTS, 3GPP2 N.S0005 (IS-41C) Table 171 for CDMA.
      * -1 if unknown or not applicable.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int errorCode;
 }
diff --git a/radio/aidl/android/hardware/radio/modem/IRadioModem.aidl b/radio/aidl/android/hardware/radio/modem/IRadioModem.aidl
index bfca5a9..491657c 100644
--- a/radio/aidl/android/hardware/radio/modem/IRadioModem.aidl
+++ b/radio/aidl/android/hardware/radio/modem/IRadioModem.aidl
@@ -139,15 +139,14 @@
     void nvReadItem(in int serial, in NvItem itemId);
 
     /**
-     * Reset the radio NV configuration to the factory state.
-     * This is used for device configuration by some CDMA operators.
+     * Reset the radio NV configuration.
+     *
+     * This is also used to reboot the modem with ResetNvType.RELOAD.
      *
      * @param serial Serial number of request.
-     * @param resetType ResetNvType
+     * @param resetType Type of reset operation
      *
      * Response function is IRadioModemResponse.nvResetConfigResponse()
-     *
-     * Note: This will be deprecated in favor of a rebootModem API in Android U.
      */
     void nvResetConfig(in int serial, in ResetNvType resetType);
 
diff --git a/radio/aidl/android/hardware/radio/modem/IRadioModemResponse.aidl b/radio/aidl/android/hardware/radio/modem/IRadioModemResponse.aidl
index 6d2504c..498f228 100644
--- a/radio/aidl/android/hardware/radio/modem/IRadioModemResponse.aidl
+++ b/radio/aidl/android/hardware/radio/modem/IRadioModemResponse.aidl
@@ -175,8 +175,6 @@
      * Valid errors returned:
      *   RadioError:NONE
      *   RadioError:RADIO_NOT_AVAILABLE
-     *
-     * Note: This will be deprecated in favor of a rebootModemResponse API in Android U.
      */
     void nvResetConfigResponse(in RadioResponseInfo info);
 
diff --git a/radio/aidl/android/hardware/radio/modem/ResetNvType.aidl b/radio/aidl/android/hardware/radio/modem/ResetNvType.aidl
index b6be54d..71736d8 100644
--- a/radio/aidl/android/hardware/radio/modem/ResetNvType.aidl
+++ b/radio/aidl/android/hardware/radio/modem/ResetNvType.aidl
@@ -17,7 +17,6 @@
 package android.hardware.radio.modem;
 
 /**
- * Note: This will be deprecated along with nvResetConfig in Android U.
  * @hide
  */
 @VintfStability
@@ -26,7 +25,7 @@
 @SuppressWarnings(value={"redundant-name"})
 enum ResetNvType {
     /**
-     * Reload all NV items
+     * Reload all NV items. This may reboot modem.
      */
     RELOAD,
     /**
diff --git a/radio/aidl/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl b/radio/aidl/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
index 9c48a8d..10421d6 100644
--- a/radio/aidl/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
+++ b/radio/aidl/android/hardware/radio/network/AccessTechnologySpecificInfo.aidl
@@ -25,6 +25,7 @@
 @JavaDerive(toString=true)
 union AccessTechnologySpecificInfo {
     boolean noinit;
+    /** @deprecated Legacy CDMA is unsupported. */
     Cdma2000RegistrationInfo cdmaInfo;
     EutranRegistrationInfo eutranInfo;
     /**
diff --git a/radio/aidl/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl b/radio/aidl/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
index 91b8500..333a6c4 100644
--- a/radio/aidl/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
+++ b/radio/aidl/android/hardware/radio/network/Cdma2000RegistrationInfo.aidl
@@ -20,29 +20,36 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable Cdma2000RegistrationInfo {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int PRL_INDICATOR_NOT_REGISTERED = -1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int PRL_INDICATOR_NOT_IN_PRL = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int PRL_INDICATOR_IN_PRL = 1;
     /**
      * Concurrent services support indicator. if registered on a CDMA system.
      * false - Concurrent services not supported,
      * true - Concurrent services supported
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean cssSupported;
     /**
      * TSB-58 Roaming Indicator if registered on a CDMA or EVDO system or -1 if not.
      * Valid values are 0-255.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int roamingIndicator;
     /**
      * Indicates whether the current system is in the PRL if registered on a CDMA or EVDO system
      * or -1 if not. 0=not in the PRL, 1=in the PRL.
      * Values are PRL_INDICATOR_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int systemIsInPrl;
     /**
      * Default Roaming Indicator from the PRL if registered on a CDMA or EVDO system or -1 if not.
      * Valid values are 0-255.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int defaultRoamingIndicator;
 }
diff --git a/radio/aidl/android/hardware/radio/network/CdmaRoamingType.aidl b/radio/aidl/android/hardware/radio/network/CdmaRoamingType.aidl
index 0bb7c04..4cad136 100644
--- a/radio/aidl/android/hardware/radio/network/CdmaRoamingType.aidl
+++ b/radio/aidl/android/hardware/radio/network/CdmaRoamingType.aidl
@@ -21,7 +21,10 @@
 @Backing(type="int")
 @JavaDerive(toString=true)
 enum CdmaRoamingType {
+    /** @deprecated Legacy CDMA is unsupported. */
     HOME_NETWORK,
+    /** @deprecated Legacy CDMA is unsupported. */
     AFFILIATED_ROAM,
+    /** @deprecated Legacy CDMA is unsupported. */
     ANY_ROAM,
 }
diff --git a/radio/aidl/android/hardware/radio/network/CdmaSignalStrength.aidl b/radio/aidl/android/hardware/radio/network/CdmaSignalStrength.aidl
index 0e241d3..214a512 100644
--- a/radio/aidl/android/hardware/radio/network/CdmaSignalStrength.aidl
+++ b/radio/aidl/android/hardware/radio/network/CdmaSignalStrength.aidl
@@ -23,11 +23,13 @@
     /**
      * This value is the actual RSSI value multiplied by -1. Example: If the actual RSSI is -75,
      * then this response value will be 75. RadioConst:VALUE_UNAVAILABLE means invalid/unreported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int dbm;
     /**
      * This value is the actual Ec/Io multiplied by -10. Example: If the actual Ec/Io is -12.5 dB,
      * then this response value will be 125. RadioConst:VALUE_UNAVAILABLE means invalid/unreported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int ecio;
 }
diff --git a/radio/aidl/android/hardware/radio/network/CellIdentity.aidl b/radio/aidl/android/hardware/radio/network/CellIdentity.aidl
index 6142087..76a6675 100644
--- a/radio/aidl/android/hardware/radio/network/CellIdentity.aidl
+++ b/radio/aidl/android/hardware/radio/network/CellIdentity.aidl
@@ -34,6 +34,7 @@
     CellIdentityGsm gsm;
     CellIdentityWcdma wcdma;
     CellIdentityTdscdma tdscdma;
+    /** @deprecated Legacy CDMA is unsupported. */
     CellIdentityCdma cdma;
     CellIdentityLte lte;
     CellIdentityNr nr;
diff --git a/radio/aidl/android/hardware/radio/network/CellIdentityCdma.aidl b/radio/aidl/android/hardware/radio/network/CellIdentityCdma.aidl
index acf3db1..7f33d2d 100644
--- a/radio/aidl/android/hardware/radio/network/CellIdentityCdma.aidl
+++ b/radio/aidl/android/hardware/radio/network/CellIdentityCdma.aidl
@@ -24,30 +24,36 @@
 parcelable CellIdentityCdma {
     /**
      * Network Id 0..65535, RadioConst:VALUE_UNAVAILABLE if unknown
+     * @deprecated Legacy CDMA is unsupported.
      */
     int networkId;
     /**
      * CDMA System Id 0..32767, RadioConst:VALUE_UNAVAILABLE if unknown
+     * @deprecated Legacy CDMA is unsupported.
      */
     int systemId;
     /**
      * Base Station Id 0..65535, RadioConst:VALUE_UNAVAILABLE if unknown
+     * @deprecated Legacy CDMA is unsupported.
      */
     int baseStationId;
     /**
      * Longitude is a decimal number as specified in 3GPP2 C.S0005-A v6.0. It is represented in
      * units of 0.25 seconds and ranges from -2592000 to 2592000, both values inclusive
      * (corresponding to a range of -180 to +180 degrees). RadioConst:VALUE_UNAVAILABLE if unknown
+     * @deprecated Legacy CDMA is unsupported.
      */
     int longitude;
     /**
      * Latitude is a decimal number as specified in 3GPP2 C.S0005-A v6.0. It is represented in
      * units of 0.25 seconds and ranges from -1296000 to 1296000, both values inclusive
      * (corresponding to a range of -90 to +90 degrees). RadioConst:VALUE_UNAVAILABLE if unknown
+     * @deprecated Legacy CDMA is unsupported.
      */
     int latitude;
     /**
      * OperatorInfo containing alphaLong and alphaShort
+     * @deprecated Legacy CDMA is unsupported.
      */
     OperatorInfo operatorNames;
 }
diff --git a/radio/aidl/android/hardware/radio/network/CellInfoCdma.aidl b/radio/aidl/android/hardware/radio/network/CellInfoCdma.aidl
index 0a2bc54..0a0c0c0 100644
--- a/radio/aidl/android/hardware/radio/network/CellInfoCdma.aidl
+++ b/radio/aidl/android/hardware/radio/network/CellInfoCdma.aidl
@@ -24,7 +24,10 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CellInfoCdma {
+    /** @deprecated Legacy CDMA is unsupported. */
     CellIdentityCdma cellIdentityCdma;
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaSignalStrength signalStrengthCdma;
+    /** @deprecated Legacy CDMA is unsupported. */
     EvdoSignalStrength signalStrengthEvdo;
 }
diff --git a/radio/aidl/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl b/radio/aidl/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
index 10a4a5f..eebed9e 100644
--- a/radio/aidl/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
+++ b/radio/aidl/android/hardware/radio/network/CellInfoRatSpecificInfo.aidl
@@ -37,6 +37,7 @@
     CellInfoNr nr;
     /**
      * 3gpp2 CellInfo types;
+     * @deprecated Legacy CDMA is unsupported.
      */
     CellInfoCdma cdma;
 }
diff --git a/radio/aidl/android/hardware/radio/network/EvdoSignalStrength.aidl b/radio/aidl/android/hardware/radio/network/EvdoSignalStrength.aidl
index ac6928e..e89eb88 100644
--- a/radio/aidl/android/hardware/radio/network/EvdoSignalStrength.aidl
+++ b/radio/aidl/android/hardware/radio/network/EvdoSignalStrength.aidl
@@ -23,16 +23,19 @@
     /**
      * This value is the actual RSSI value multiplied by -1. Example: If the actual RSSI is -75,
      * then this response value will be 75; RadioConst:VALUE_UNAVAILABLE means invalid/unreported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int dbm;
     /**
      * This value is the actual Ec/Io multiplied by -10. Example: If the actual Ec/Io is -12.5 dB,
      * then this response value will be 125; RadioConst:VALUE_UNAVAILABLE means invalid/unreported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int ecio;
     /**
      * Valid values are 0-8. 8 is the highest signal to noise ratio; RadioConst:VALUE_UNAVAILABLE
      * means invalid/unreported.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int signalNoiseRatio;
 }
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
index a4f97e3..631901e 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
@@ -94,6 +94,8 @@
      * Response function is IRadioNetworkResponse.getCdmaRoamingPreferenceResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaRoamingPreference(in int serial);
 
@@ -272,6 +274,8 @@
      * Response function is IRadioNetworkResponse.setCdmaRoamingPreferenceResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaRoamingPreference(in int serial, in CdmaRoamingType type);
 
@@ -334,7 +338,7 @@
 
     /**
      * Enables/disables network state change notifications due to changes in LAC and/or CID (for
-     * GSM) or BID/SID/NID/latitude/longitude (for CDMA). Basically +CREG=2 vs. +CREG=1 (TS 27.007).
+     * GSM). Basically +CREG=2 vs. +CREG=1 (TS 27.007).
      * The Radio implementation must default to "updates enabled" when the screen is on and
      * "updates disabled" when the screen is off.
      *
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
index 34948fb..f752f68 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
@@ -63,6 +63,7 @@
      *
      * @param type Type of radio indication
      * @param version PRL version after PRL changes
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaPrlChanged(in RadioIndicationType type, in int version);
 
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
index b67e8e0..1d301a5 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
@@ -136,6 +136,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaRoamingPreferenceResponse(in RadioResponseInfo info, in CdmaRoamingType type);
 
@@ -372,6 +373,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaRoamingPreferenceResponse(in RadioResponseInfo info);
 
diff --git a/radio/aidl/android/hardware/radio/network/RegStateResult.aidl b/radio/aidl/android/hardware/radio/network/RegStateResult.aidl
index 57a73c0..aa4cdfc 100644
--- a/radio/aidl/android/hardware/radio/network/RegStateResult.aidl
+++ b/radio/aidl/android/hardware/radio/network/RegStateResult.aidl
@@ -27,7 +27,7 @@
 @JavaDerive(toString=true)
 parcelable RegStateResult {
     /**
-     * Registration state. If the RAT is indicated as a GERAN, UTRAN, or CDMA2000 technology, this
+     * Registration state. If the RAT is indicated as a GERAN or UTRAN technology, this
      * value reports registration in the Circuit-switched domain. If the RAT is indicated as an
      * EUTRAN, NGRAN, or another technology that does not support circuit-switched services, this
      * value reports registration in the Packet-switched domain.
@@ -57,7 +57,7 @@
      */
     String registeredPlmn;
     /**
-     * Access-technology-specific registration information, such as for CDMA2000.
+     * Access-technology-specific registration information.
      */
     AccessTechnologySpecificInfo accessTechnologySpecificInfo;
 }
diff --git a/radio/aidl/android/hardware/radio/network/SignalStrength.aidl b/radio/aidl/android/hardware/radio/network/SignalStrength.aidl
index fbe3be2..4e3bcf0 100644
--- a/radio/aidl/android/hardware/radio/network/SignalStrength.aidl
+++ b/radio/aidl/android/hardware/radio/network/SignalStrength.aidl
@@ -36,11 +36,13 @@
     /**
      * If CDMA measurements are provided, this structure must contain valid measurements; otherwise
      * all fields should be set to RadioConst:VALUE_UNAVAILABLE to mark them as invalid.
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaSignalStrength cdma;
     /**
      * If EvDO measurements are provided, this structure must contain valid measurements; otherwise
      * all fields should be set to RadioConst:VALUE_UNAVAILABLE to mark them as invalid.
+     * @deprecated Legacy CDMA is unsupported.
      */
     EvdoSignalStrength evdo;
     /**
diff --git a/radio/aidl/android/hardware/radio/network/SignalThresholdInfo.aidl b/radio/aidl/android/hardware/radio/network/SignalThresholdInfo.aidl
index e440a64..b7e5fa5 100644
--- a/radio/aidl/android/hardware/radio/network/SignalThresholdInfo.aidl
+++ b/radio/aidl/android/hardware/radio/network/SignalThresholdInfo.aidl
@@ -28,7 +28,7 @@
     /**
      * Received Signal Strength Indication.
      * Range: -113 dBm and -51 dBm
-     * Used RAN: GERAN, CDMA2000
+     * Used RAN: GERAN
      * Reference: 3GPP TS 27.007 section 8.5.
      */
     const int SIGNAL_MEASUREMENT_TYPE_RSSI = 1;
diff --git a/radio/aidl/android/hardware/radio/sim/CardStatus.aidl b/radio/aidl/android/hardware/radio/sim/CardStatus.aidl
index 043bfa4..43e2467 100644
--- a/radio/aidl/android/hardware/radio/sim/CardStatus.aidl
+++ b/radio/aidl/android/hardware/radio/sim/CardStatus.aidl
@@ -54,7 +54,8 @@
      */
     int gsmUmtsSubscriptionAppIndex;
     /**
-     * Value < RadioConst:CARD_MAX_APPS, -1 if none
+     * Value ignored.
+     * @deprecated Legacy CDMA is unsupported.
      */
     int cdmaSubscriptionAppIndex;
     /**
diff --git a/radio/aidl/android/hardware/radio/sim/CdmaSubscriptionSource.aidl b/radio/aidl/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
index 4c6c1ef..2dbd6a8 100644
--- a/radio/aidl/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
+++ b/radio/aidl/android/hardware/radio/sim/CdmaSubscriptionSource.aidl
@@ -21,6 +21,8 @@
 @Backing(type="int")
 @JavaDerive(toString=true)
 enum CdmaSubscriptionSource {
+    /** @deprecated Legacy CDMA is unsupported. */
     RUIM_SIM,
+    /** @deprecated Legacy CDMA is unsupported. */
     NV,
 }
diff --git a/radio/aidl/android/hardware/radio/sim/IRadioSim.aidl b/radio/aidl/android/hardware/radio/sim/IRadioSim.aidl
index 1e010b9..24c7320 100644
--- a/radio/aidl/android/hardware/radio/sim/IRadioSim.aidl
+++ b/radio/aidl/android/hardware/radio/sim/IRadioSim.aidl
@@ -123,6 +123,8 @@
      * Response function is IRadioSimResponse.getCdmaSubscriptionResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaSubscription(in int serial);
 
@@ -134,6 +136,8 @@
      * Response function is IRadioSimResponse.getCdmaSubscriptionSourceResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaSubscriptionSource(in int serial);
 
@@ -255,7 +259,7 @@
 
     /**
      * Request APDU exchange on the basic channel. This command reflects TS 27.007
-     * "generic SIM access" operation (+CSIM). The modem must ensure proper function of GSM/CDMA,
+     * "generic SIM access" operation (+CSIM). The modem must ensure proper function of GSM,
      * and filter commands appropriately. It must filter channel management and SELECT by DF
      * name commands. "sessionId" field is always 0 (for aid="") and may be ignored.
      *
@@ -406,6 +410,8 @@
      * Response function is IRadioSimResponse.setCdmaSubscriptionSourceResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaSubscriptionSource(in int serial, in CdmaSubscriptionSource cdmaSub);
 
diff --git a/radio/aidl/android/hardware/radio/sim/IRadioSimIndication.aidl b/radio/aidl/android/hardware/radio/sim/IRadioSimIndication.aidl
index fc6355d..d9735d3 100644
--- a/radio/aidl/android/hardware/radio/sim/IRadioSimIndication.aidl
+++ b/radio/aidl/android/hardware/radio/sim/IRadioSimIndication.aidl
@@ -41,6 +41,7 @@
      *
      * @param type Type of radio indication
      * @param cdmaSource New CdmaSubscriptionSource
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaSubscriptionSourceChanged(
             in RadioIndicationType type, in CdmaSubscriptionSource cdmaSource);
diff --git a/radio/aidl/android/hardware/radio/sim/IRadioSimResponse.aidl b/radio/aidl/android/hardware/radio/sim/IRadioSimResponse.aidl
index 8666e03..92815d2 100644
--- a/radio/aidl/android/hardware/radio/sim/IRadioSimResponse.aidl
+++ b/radio/aidl/android/hardware/radio/sim/IRadioSimResponse.aidl
@@ -145,6 +145,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaSubscriptionResponse(in RadioResponseInfo info, in String mdn, in String hSid,
             in String hNid, in String min, in String prl);
@@ -163,6 +164,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:SIM_ABSENT
+     * @deprecated Legacy CDMA is unsupported.
      */
     void getCdmaSubscriptionSourceResponse(
             in RadioResponseInfo info, in CdmaSubscriptionSource source);
@@ -484,6 +486,7 @@
      *   RadioError:NO_MEMORY
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
+     * @deprecated Legacy CDMA is unsupported.
      */
     void setCdmaSubscriptionSourceResponse(in RadioResponseInfo info);
 
diff --git a/radio/aidl/android/hardware/radio/voice/Call.aidl b/radio/aidl/android/hardware/radio/voice/Call.aidl
index ee0b025..27dab9c 100644
--- a/radio/aidl/android/hardware/radio/voice/Call.aidl
+++ b/radio/aidl/android/hardware/radio/voice/Call.aidl
@@ -77,6 +77,7 @@
     boolean isVoice;
     /**
      * true if CDMA voice privacy mode is active
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean isVoicePrivacy;
     /**
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaCallWaiting.aidl b/radio/aidl/android/hardware/radio/voice/CdmaCallWaiting.aidl
index d97b319..c77f3ec 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaCallWaiting.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaCallWaiting.aidl
@@ -22,44 +22,64 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaCallWaiting {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_UNKNOWN = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_ISDN = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_DATA = 3;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_TELEX = 4;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_NATIONAL = 8;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PLAN_PRIVATE = 9;
 
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PRESENTATION_ALLOWED = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PRESENTATION_RESTRICTED = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_PRESENTATION_UNKNOWN = 2;
 
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_UNKNOWN = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_INTERNATIONAL = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_NATIONAL = 2;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_NETWORK_SPECIFIC = 3;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NUMBER_TYPE_SUBSCRIBER = 4;
 
     /**
      * Remote party number
+     * @deprecated Legacy CDMA is unsupported.
      */
     String number;
     /**
      * Values are NUMBER_PRESENTATION_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int numberPresentation;
     /**
      * Remote party name
+     * @deprecated Legacy CDMA is unsupported.
      */
     String name;
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaSignalInfoRecord signalInfoRecord;
     /**
      * Required to support International Call Waiting
      * Values are NUMBER_TYPE_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int numberType;
     /**
      * Required to support International Call Waiting
      * Values are NUMBER_PLAN_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int numberPlan;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
index 7e5a68d..506e407 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaDisplayInfoRecord.aidl
@@ -27,9 +27,11 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaDisplayInfoRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int CDMA_ALPHA_INFO_BUFFER_LENGTH = 64;
     /**
      * Max length = CDMA_ALPHA_INFO_BUFFER_LENGTH
+     * @deprecated Legacy CDMA is unsupported.
      */
     String alphaBuf;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaInformationRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaInformationRecord.aidl
index f5c656b..664ed5b 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaInformationRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaInformationRecord.aidl
@@ -31,54 +31,74 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaInformationRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int CDMA_MAX_NUMBER_OF_INFO_RECS = 10;
     /**
      * Names of the CDMA info records (C.S0005 section 3.7.5)
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int NAME_DISPLAY = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_CALLED_PARTY_NUMBER = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_CALLING_PARTY_NUMBER = 2;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_CONNECTED_NUMBER = 3;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_SIGNAL = 4;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_REDIRECTING_NUMBER = 5;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_LINE_CONTROL = 6;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_EXTENDED_DISPLAY = 7;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_T53_CLIR = 8;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_T53_RELEASE = 9;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int NAME_T53_AUDIO_CONTROL = 10;
 
     /**
      * Based on CdmaInfoRecName, only one of the below vectors must have size = 1.
      * All other vectors must have size 0.
      * Values are NAME_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int name;
     /**
      * Display and extended display info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaDisplayInfoRecord[] display;
     /**
      * Called party number, calling party number, connected number info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaNumberInfoRecord[] number;
     /**
      * Signal info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaSignalInfoRecord[] signal;
     /**
      * Redirecting number info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaRedirectingNumberInfoRecord[] redir;
     /**
      * Line control info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaLineControlInfoRecord[] lineCtrl;
     /**
      * T53 CLIR info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaT53ClirInfoRecord[] clir;
     /**
      * T53 Audio Control info rec
+     * @deprecated Legacy CDMA is unsupported.
      */
     CdmaT53AudioControlInfoRecord[] audioCtrl;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
index 15c22a0..9cf0103 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaLineControlInfoRecord.aidl
@@ -23,8 +23,12 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaLineControlInfoRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     byte lineCtrlPolarityIncluded;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte lineCtrlToggle;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte lineCtrlReverse;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte lineCtrlPowerDenial;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
index b04e273..0864ce5 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaNumberInfoRecord.aidl
@@ -25,13 +25,19 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaNumberInfoRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     const int CDMA_NUMBER_INFO_BUFFER_LENGTH = 81;
     /**
      * Max length = CDMA_NUMBER_INFO_BUFFER_LENGTH
+     * @deprecated Legacy CDMA is unsupported.
      */
     String number;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte numberType;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte numberPlan;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte pi;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte si;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl b/radio/aidl/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
index b6444ab..1f003a8 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaOtaProvisionStatus.aidl
@@ -21,16 +21,28 @@
 @Backing(type="int")
 @JavaDerive(toString=true)
 enum CdmaOtaProvisionStatus {
+    /** @deprecated Legacy CDMA is unsupported. */
     SPL_UNLOCKED,
+    /** @deprecated Legacy CDMA is unsupported. */
     SPC_RETRIES_EXCEEDED,
+    /** @deprecated Legacy CDMA is unsupported. */
     A_KEY_EXCHANGED,
+    /** @deprecated Legacy CDMA is unsupported. */
     SSD_UPDATED,
+    /** @deprecated Legacy CDMA is unsupported. */
     NAM_DOWNLOADED,
+    /** @deprecated Legacy CDMA is unsupported. */
     MDN_DOWNLOADED,
+    /** @deprecated Legacy CDMA is unsupported. */
     IMSI_DOWNLOADED,
+    /** @deprecated Legacy CDMA is unsupported. */
     PRL_DOWNLOADED,
+    /** @deprecated Legacy CDMA is unsupported. */
     COMMITTED,
+    /** @deprecated Legacy CDMA is unsupported. */
     OTAPA_STARTED,
+    /** @deprecated Legacy CDMA is unsupported. */
     OTAPA_STOPPED,
+    /** @deprecated Legacy CDMA is unsupported. */
     OTAPA_ABORTED,
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
index 691712e..4b93303 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaRedirectingNumberInfoRecord.aidl
@@ -24,19 +24,28 @@
 parcelable CdmaRedirectingNumberInfoRecord {
     /**
      * Redirecting Number Information Record as defined in C.S0005 section 3.7.5.11
+     * @deprecated Legacy CDMA is unsupported.
      */
     const int REDIRECTING_REASON_UNKNOWN = 0;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_CALL_FORWARDING_BUSY = 1;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_CALL_FORWARDING_NO_REPLY = 2;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_CALLED_DTE_OUT_OF_ORDER = 9;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_CALL_FORWARDING_BY_THE_CALLED_DTE = 10;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_CALL_FORWARDING_UNCONDITIONAL = 15;
+    /** @deprecated Legacy CDMA is unsupported. */
     const int REDIRECTING_REASON_RESERVED = 16;
 
+    /** @deprecated Legacy CDMA is unsupported. */
     CdmaNumberInfoRecord redirectingNumber;
     /**
      * Set to UNKNOWN if not included.
      * Values are REDIRECTING_REASON_
+     * @deprecated Legacy CDMA is unsupported.
      */
     int redirectingReason;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
index 4302ba4..2ada10b 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaSignalInfoRecord.aidl
@@ -25,18 +25,22 @@
 parcelable CdmaSignalInfoRecord {
     /**
      * True if signal information record is present
+     * @deprecated Legacy CDMA is unsupported.
      */
     boolean isPresent;
     /**
      * Defined in 3.7.5.5-1
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte signalType;
     /**
      * Defined in 3.7.5.5-2
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte alertPitch;
     /**
      * Defined in 3.7.5.5-3, 3.7.5.5-4 or 3.7.5.5-5
+     * @deprecated Legacy CDMA is unsupported.
      */
     byte signal;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
index 44ac2b4..68b19b8 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaT53AudioControlInfoRecord.aidl
@@ -23,6 +23,8 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaT53AudioControlInfoRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     byte upLink;
+    /** @deprecated Legacy CDMA is unsupported. */
     byte downLink;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl b/radio/aidl/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
index 564d761..6a1b992 100644
--- a/radio/aidl/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
+++ b/radio/aidl/android/hardware/radio/voice/CdmaT53ClirInfoRecord.aidl
@@ -23,5 +23,6 @@
 @VintfStability
 @JavaDerive(toString=true)
 parcelable CdmaT53ClirInfoRecord {
+    /** @deprecated Legacy CDMA is unsupported. */
     byte cause;
 }
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
index 0c2b51d..74b1d5f 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
@@ -369,6 +369,8 @@
      * Response function is IRadioVoiceResponse.sendCdmaFeatureCodeResponse()
      *
      * This is available when android.hardware.telephony.cdma is defined.
+     *
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaFeatureCode(in int serial, in String featureCode);
 
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
index 9de6364..f8bd999 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
@@ -42,8 +42,8 @@
      * value of 3000 (3 seconds) if absent.
      *
      * @param type Type of radio indication
-     * @param isGsm true for GSM & false for CDMA
-     * @param record Cdma Signal Information
+     * @param isGsm Always true (Legacy CDMA is unsupported)
+     * @param record Always empty (Legacy CDMA is unsupported)
      */
     void callRing(in RadioIndicationType type, in boolean isGsm, in CdmaSignalInfoRecord record);
 
@@ -62,6 +62,7 @@
      *
      * @param type Type of radio indication
      * @param callWaitingRecord Cdma CallWaiting information
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaCallWaiting(in RadioIndicationType type, in CdmaCallWaiting callWaitingRecord);
 
@@ -71,6 +72,7 @@
      * @param type Type of radio indication
      * @param records New CDMA information records.
      *        Max length is RadioConst:CDMA_MAX_NUMBER_OF_INFO_RECS
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaInfoRec(in RadioIndicationType type, in CdmaInformationRecord[] records);
 
@@ -79,6 +81,7 @@
      *
      * @param type Type of radio indication
      * @param status Cdma OTA provision status
+     * @deprecated Legacy CDMA is unsupported.
      */
     void cdmaOtaProvisionStatus(in RadioIndicationType type, in CdmaOtaProvisionStatus status);
 
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
index a904eaa..cf36ef9 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
@@ -564,6 +564,7 @@
      *   RadioError:NO_RESOURCES
      *   RadioError:CANCELLED
      *   RadioError:OPERATION_NOT_ALLOWED
+     * @deprecated Legacy CDMA is unsupported.
      */
     void sendCdmaFeatureCodeResponse(in RadioResponseInfo info);
 
diff --git a/radio/aidl/android/hardware/radio/voice/LastCallFailCause.aidl b/radio/aidl/android/hardware/radio/voice/LastCallFailCause.aidl
index 9a38197..f37c10c 100644
--- a/radio/aidl/android/hardware/radio/voice/LastCallFailCause.aidl
+++ b/radio/aidl/android/hardware/radio/voice/LastCallFailCause.aidl
@@ -139,18 +139,28 @@
      * Explicit network detach
      */
     NETWORK_DETACH = 261,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_LOCKED_UNTIL_POWER_CYCLE = 1000,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_DROP = 1001,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_INTERCEPT = 1002,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_REORDER = 1003,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_SO_REJECT = 1004,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_RETRY_ORDER = 1005,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_ACCESS_FAILURE = 1006,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_PREEMPTED = 1007,
     /**
      * For non-emergency number dialed during emergency callback mode
+     * @deprecated Legacy CDMA is unsupported.
      */
     CDMA_NOT_EMERGENCY = 1008,
+    /** @deprecated Legacy CDMA is unsupported. */
     CDMA_ACCESS_BLOCKED = 1009,
     /**
      * OEM specific error codes. Used to distinguish error from
diff --git a/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl b/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
index 294c205..6ff66e7 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
@@ -125,9 +125,9 @@
      * straightforward translation of the KeyMint tag/value parameter lists to ASN.1.
      *
      * KeyDescription ::= SEQUENCE {
-     *     attestationVersion         INTEGER, # Value 300
+     *     attestationVersion         INTEGER, # Value 400
      *     attestationSecurityLevel   SecurityLevel, # See below
-     *     keyMintVersion             INTEGER, # Value 300
+     *     keyMintVersion             INTEGER, # Value 400
      *     keymintSecurityLevel       SecurityLevel, # See below
      *     attestationChallenge       OCTET_STRING, # Tag::ATTESTATION_CHALLENGE from attestParams
      *     uniqueId                   OCTET_STRING, # Empty unless key has Tag::INCLUDE_UNIQUE_ID
@@ -145,9 +145,9 @@
      *     verifiedBootKey            OCTET_STRING,
      *     deviceLocked               BOOLEAN,
      *     verifiedBootState          VerifiedBootState,
-     *     # verifiedBootHash must contain 32-byte value that represents the state of all binaries
-     *     # or other components validated by verified boot.  Updating any verified binary or
-     *     # component must cause this value to change.
+     *     # verifiedBootHash must contain a SHA-256 digest of all binaries and components validated
+     *     # by Verified Boot. Updating any verified binary or component must cause this value to
+     *     # change.
      *     verifiedBootHash           OCTET_STRING,
      * }
      *
@@ -158,6 +158,17 @@
      *     Failed                     (3),
      * }
      *
+     * # Modules contains version info about APEX modules that have been updated after the last OTA.
+     * # Note that the Modules information is DER-encoded before being hashed, which requires a
+     * # specific ordering (lexicographic by encoded value) for the constituent Module entries. This
+     * # ensures that the ordering of Module entries is predictable and that the resulting SHA-256
+     * # hash value is identical for the same set of modules.
+     * Modules ::= SET OF Module
+     * Module ::= SEQUENCE {
+     *     packageName                OCTET_STRING,
+     *     version                    INTEGER, # As determined at boot time
+     * }
+     *
      * -- Note that the AuthorizationList SEQUENCE is also used in IKeyMintDevice::importWrappedKey
      * -- as a way of describing the authorizations associated with a key that is being securely
      * -- imported.  As such, it includes the ability to describe tags that are only relevant for
@@ -210,6 +221,7 @@
      *     bootPatchLevel             [719] EXPLICIT INTEGER OPTIONAL,
      *     deviceUniqueAttestation    [720] EXPLICIT NULL OPTIONAL,
      *     attestationIdSecondImei    [723] EXPLICIT OCTET_STRING OPTIONAL,
+     *     moduleHash                 [724] EXPLICIT OCTET_STRING OPTIONAL, -- SHA-256 hash of DER-encoded `Modules`
      * }
      */
     Certificate[] certificateChain;
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
index cfe9fa7..51afa12 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
@@ -149,7 +149,7 @@
     // The multiplier should never be higher than the AIDL version, but can be less
     // (for example, if the implementation is from an earlier version but the HAL service
     // uses the default libraries and so reports the current AIDL version).
-    EXPECT_TRUE((attestation_version / 100) <= aidl_version);
+    EXPECT_LE((attestation_version / 100), aidl_version);
 }
 
 bool avb_verification_enabled() {
@@ -160,12 +160,13 @@
 char nibble2hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
                        '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 
-// Attestations don't contain everything in key authorization lists, so we need to filter the key
-// lists to produce the lists that we expect to match the attestations.
+// Attestations don't completely align with key authorization lists, so we need to filter the lists
+// to include only the tags that are in both.
 auto kTagsToFilter = {
         Tag::CREATION_DATETIME,
         Tag::HARDWARE_TYPE,
         Tag::INCLUDE_UNIQUE_ID,
+        Tag::MODULE_HASH,
 };
 
 AuthorizationSet filtered_tags(const AuthorizationSet& set) {
@@ -234,6 +235,83 @@
     return boot_patch_level(key_characteristics_);
 }
 
+std::optional<vector<uint8_t>> KeyMintAidlTestBase::getModuleHash() {
+    if (AidlVersion() < 4) {
+        // The `MODULE_HASH` tag was introduced in v4 of the HAL; earlier versions should never
+        // expect to encounter it.
+        return std::nullopt;
+    }
+
+    // The KeyMint instance should already have been informed of the `MODULE_HASH` value for the
+    // currently running system. Generate a single attestation so we can find out what the value
+    // is.
+    auto challenge = "hello";
+    auto app_id = "foo";
+    auto params = AuthorizationSetBuilder()
+                          .EcdsaSigningKey(EcCurve::P_256)
+                          .Digest(Digest::NONE)
+                          .Authorization(TAG_NO_AUTH_REQUIRED)
+                          .AttestationChallenge(challenge)
+                          .AttestationApplicationId(app_id)
+                          .SetDefaultValidity();
+    vector<uint8_t> key_blob;
+    vector<KeyCharacteristics> key_characteristics;
+    vector<Certificate> chain;
+    auto result = GenerateKey(params, &key_blob, &key_characteristics, &chain);
+    if (result != ErrorCode::OK) {
+        ADD_FAILURE() << "Failed to generate attestation:" << result;
+        return std::nullopt;
+    }
+    KeyBlobDeleter deleter(keymint_, key_blob);
+    if (chain.empty()) {
+        ADD_FAILURE() << "No attestation cert";
+        return std::nullopt;
+    }
+
+    // Parse the attestation record in the leaf cert.
+    X509_Ptr cert(parse_cert_blob(chain[0].encodedCertificate));
+    if (cert.get() == nullptr) {
+        ADD_FAILURE() << "Failed to parse attestation cert";
+        return std::nullopt;
+    }
+    ASN1_OCTET_STRING* attest_rec = get_attestation_record(cert.get());
+    if (attest_rec == nullptr) {
+        ADD_FAILURE() << "Failed to find attestation extension";
+        return std::nullopt;
+    }
+    AuthorizationSet att_sw_enforced;
+    AuthorizationSet att_hw_enforced;
+    uint32_t att_attestation_version;
+    uint32_t att_keymint_version;
+    SecurityLevel att_attestation_security_level;
+    SecurityLevel att_keymint_security_level;
+    vector<uint8_t> att_challenge;
+    vector<uint8_t> att_unique_id;
+    vector<uint8_t> att_app_id;
+
+    auto error = parse_attestation_record(attest_rec->data,                 //
+                                          attest_rec->length,               //
+                                          &att_attestation_version,         //
+                                          &att_attestation_security_level,  //
+                                          &att_keymint_version,             //
+                                          &att_keymint_security_level,      //
+                                          &att_challenge,                   //
+                                          &att_sw_enforced,                 //
+                                          &att_hw_enforced,                 //
+                                          &att_unique_id);
+    if (error != ErrorCode::OK) {
+        ADD_FAILURE() << "Failed to parse attestation extension";
+        return std::nullopt;
+    }
+
+    // The module hash should be present in the software-enforced list.
+    if (!att_sw_enforced.Contains(TAG_MODULE_HASH)) {
+        ADD_FAILURE() << "No TAG_MODULE_HASH in attestation extension";
+        return std::nullopt;
+    }
+    return att_sw_enforced.GetTagValue(TAG_MODULE_HASH);
+}
+
 /**
  * An API to determine device IDs attestation is required or not,
  * which is mandatory for KeyMint version 2 and first_api_level 33 or greater.
@@ -270,12 +348,7 @@
     }
 
     // Curve 25519 was included in version 2 of the KeyMint interface.
-    int32_t version = 0;
-    auto status = keymint_->getInterfaceVersion(&version);
-    if (!status.isOk()) {
-        ADD_FAILURE() << "Failed to determine interface version";
-    }
-    return version >= 2;
+    return AidlVersion() >= 2;
 }
 
 void KeyMintAidlTestBase::InitializeKeyMint(std::shared_ptr<IKeyMintDevice> keyMint) {
@@ -293,6 +366,20 @@
     os_version_ = getOsVersion();
     os_patch_level_ = getOsPatchlevel();
     vendor_patch_level_ = getVendorPatchlevel();
+
+    // TODO(b/369375199): temporary code, remove when apexd -> keystore2 -> KeyMint transmission
+    // of module info happens.
+    {
+        GTEST_LOG_(INFO) << "Setting MODULE_HASH to fake value as fallback";
+        // Ensure that a MODULE_HASH value is definitely present in KeyMint (if it's >= v4).
+        vector<uint8_t> fakeModuleHash = {
+                0xf3, 0xf1, 0x1f, 0xe5, 0x13, 0x05, 0xfe, 0xfa, 0xe9, 0xc3, 0x53,
+                0xef, 0x69, 0xdf, 0x9f, 0xd7, 0x0c, 0x1e, 0xcc, 0x2c, 0x2c, 0x62,
+                0x1f, 0x5e, 0x2c, 0x1d, 0x19, 0xa1, 0xfd, 0xac, 0xa1, 0xb4,
+        };
+        vector<KeyParameter> info = {Authorization(TAG_MODULE_HASH, fakeModuleHash)};
+        keymint_->setAdditionalAttestationInfo(info);
+    }
 }
 
 int32_t KeyMintAidlTestBase::AidlVersion() const {
@@ -320,6 +407,13 @@
 ErrorCode KeyMintAidlTestBase::GenerateKey(const AuthorizationSet& key_desc,
                                            vector<uint8_t>* key_blob,
                                            vector<KeyCharacteristics>* key_characteristics) {
+    return GenerateKey(key_desc, key_blob, key_characteristics, &cert_chain_);
+}
+
+ErrorCode KeyMintAidlTestBase::GenerateKey(const AuthorizationSet& key_desc,
+                                           vector<uint8_t>* key_blob,
+                                           vector<KeyCharacteristics>* key_characteristics,
+                                           vector<Certificate>* cert_chain) {
     std::optional<AttestationKey> attest_key = std::nullopt;
     vector<Certificate> attest_cert_chain;
     // If an attestation is requested, but the system is RKP-only, we need to supply an explicit
@@ -340,11 +434,10 @@
         attest_key.value().issuerSubjectName = make_name_from_str("Android Keystore Key");
     }
 
-    ErrorCode error =
-            GenerateKey(key_desc, attest_key, key_blob, key_characteristics, &cert_chain_);
+    ErrorCode error = GenerateKey(key_desc, attest_key, key_blob, key_characteristics, cert_chain);
 
     if (error == ErrorCode::OK && attest_cert_chain.size() > 0) {
-        cert_chain_.push_back(attest_cert_chain[0]);
+        cert_chain->push_back(attest_cert_chain[0]);
     }
 
     return error;
@@ -1049,13 +1142,12 @@
                 int openssl_padding = RSA_NO_PADDING;
                 switch (padding) {
                     case PaddingMode::NONE:
-                        ASSERT_TRUE(data_size <= key_len);
+                        ASSERT_LE(data_size, key_len);
                         ASSERT_EQ(key_len, signature.size());
                         openssl_padding = RSA_NO_PADDING;
                         break;
                     case PaddingMode::RSA_PKCS1_1_5_SIGN:
-                        ASSERT_TRUE(data_size + kPkcs1UndigestedSignaturePaddingOverhead <=
-                                    key_len);
+                        ASSERT_LE(data_size + kPkcs1UndigestedSignaturePaddingOverhead, key_len);
                         openssl_padding = RSA_PKCS1_PADDING;
                         break;
                     default:
@@ -1812,7 +1904,7 @@
         }
     }
 
-    // Verified boot key should be all 0's if the boot state is not verified or self signed
+    // Verified Boot key should be all zeroes if the boot state is "orange".
     std::string empty_boot_key(32, '\0');
     std::string verified_boot_key_str((const char*)verified_boot_key.data(),
                                       verified_boot_key.size());
@@ -2271,7 +2363,7 @@
         // ATTESTATION_IDS_NOT_PROVISIONED in this case.
         ASSERT_TRUE((tag == TAG_ATTESTATION_ID_IMEI || tag == TAG_ATTESTATION_ID_MEID ||
                      tag == TAG_ATTESTATION_ID_SECOND_IMEI))
-                << "incorrect error code on attestation ID mismatch";
+                << "incorrect error code on attestation ID mismatch for " << tag;
     } else {
         ADD_FAILURE() << "Error code " << result
                       << " returned on attestation ID mismatch, should be CANNOT_ATTEST_IDS";
@@ -2353,7 +2445,7 @@
 
     FILE* pipe = popen(command.c_str(), "r");
     if (!pipe) {
-        LOG(ERROR) << "popen failed.";
+        GTEST_LOG_(ERROR) << "popen failed.";
         return result;
     }
 
@@ -2379,7 +2471,7 @@
     std::string output = exec_command(cmd);
 
     if (output.empty()) {
-        LOG(ERROR) << "Command failed. Cmd: " << cmd;
+        GTEST_LOG_(ERROR) << "Command failed. Cmd: " << cmd;
         return "";
     }
 
@@ -2387,13 +2479,14 @@
             ::android::base::Tokenize(::android::base::Trim(output), "Device IMEI:");
 
     if (out.size() != 1) {
-        LOG(ERROR) << "Error in parsing the command output. Cmd: " << cmd;
+        GTEST_LOG_(ERROR) << "Error in parsing the command output. Cmd: " << cmd;
         return "";
     }
 
     std::string imei = ::android::base::Trim(out[0]);
     if (imei.compare("null") == 0) {
-        LOG(WARNING) << "Failed to get IMEI from Telephony service: value is null. Cmd: " << cmd;
+        GTEST_LOG_(WARNING) << "Failed to get IMEI from Telephony service: value is null. Cmd: "
+                            << cmd;
         return "";
     }
 
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
index 85ae93d..1c12136 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -103,6 +103,7 @@
     uint32_t vendor_patch_level() { return vendor_patch_level_; }
     uint32_t boot_patch_level(const vector<KeyCharacteristics>& key_characteristics);
     uint32_t boot_patch_level();
+    std::optional<vector<uint8_t>> getModuleHash();
     bool isDeviceIdAttestationRequired();
     bool isSecondImeiIdAttestationRequired();
     std::optional<bool> isRkpOnly();
@@ -114,6 +115,10 @@
     ErrorCode GenerateKey(const AuthorizationSet& key_desc, vector<uint8_t>* key_blob,
                           vector<KeyCharacteristics>* key_characteristics);
 
+    ErrorCode GenerateKey(const AuthorizationSet& key_desc, vector<uint8_t>* key_blob,
+                          vector<KeyCharacteristics>* key_characteristics,
+                          vector<Certificate>* cert_chain);
+
     ErrorCode GenerateKey(const AuthorizationSet& key_desc,
                           const optional<AttestationKey>& attest_key, vector<uint8_t>* key_blob,
                           vector<KeyCharacteristics>* key_characteristics,
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index 527b5e0..067db78 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -643,6 +643,7 @@
         // Verify that App data, ROT and auth timeout are NOT included.
         EXPECT_FALSE(auths.Contains(TAG_ROOT_OF_TRUST));
         EXPECT_FALSE(auths.Contains(TAG_APPLICATION_DATA));
+        EXPECT_FALSE(auths.Contains(TAG_MODULE_HASH));
         EXPECT_FALSE(auths.Contains(TAG_AUTH_TIMEOUT, 301U));
 
         // None of the tests specify CREATION_DATETIME so check that the KeyMint implementation
@@ -2583,7 +2584,8 @@
     auto result = GenerateKey(
             AuthorizationSetBuilder().EcdsaKey(256).Digest(Digest::NONE).SetDefaultValidity());
     ASSERT_TRUE(result == ErrorCode::UNSUPPORTED_KEY_SIZE ||
-                result == ErrorCode::UNSUPPORTED_EC_CURVE);
+                result == ErrorCode::UNSUPPORTED_EC_CURVE)
+            << "unexpected result " << result;
 }
 
 /*
@@ -2604,7 +2606,7 @@
                                       .SigningKey()
                                       .Digest(Digest::NONE)
                                       .SetDefaultValidity());
-    ASSERT_TRUE(result == ErrorCode::INVALID_ARGUMENT);
+    ASSERT_EQ(result, ErrorCode::INVALID_ARGUMENT);
 }
 
 /*
@@ -3183,7 +3185,8 @@
     string result;
     ErrorCode finish_error_code = Finish(message, &result);
     EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH ||
-                finish_error_code == ErrorCode::INVALID_ARGUMENT);
+                finish_error_code == ErrorCode::INVALID_ARGUMENT)
+            << "unexpected error code " << finish_error_code;
 
     // Very large message that should exceed the transfer buffer size of any reasonable TEE.
     message = string(128 * 1024, 'a');
@@ -3193,7 +3196,8 @@
                                               .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN)));
     finish_error_code = Finish(message, &result);
     EXPECT_TRUE(finish_error_code == ErrorCode::INVALID_INPUT_LENGTH ||
-                finish_error_code == ErrorCode::INVALID_ARGUMENT);
+                finish_error_code == ErrorCode::INVALID_ARGUMENT)
+            << "unexpected error code " << finish_error_code;
 }
 
 /*
@@ -3247,7 +3251,8 @@
                                                   .Digest(Digest::NONE)
                                                   .Digest(Digest::SHA1)
                                                   .Padding(PaddingMode::RSA_PKCS1_1_5_SIGN));
-    ASSERT_TRUE(result == ErrorCode::UNSUPPORTED_DIGEST || result == ErrorCode::INVALID_ARGUMENT);
+    ASSERT_TRUE(result == ErrorCode::UNSUPPORTED_DIGEST || result == ErrorCode::INVALID_ARGUMENT)
+            << "unexpected result " << result;
 
     ASSERT_EQ(ErrorCode::UNSUPPORTED_DIGEST,
               Begin(KeyPurpose::SIGN,
@@ -3420,7 +3425,8 @@
         }
 
         auto rc = DeleteKey();
-        ASSERT_TRUE(rc == ErrorCode::OK || rc == ErrorCode::UNIMPLEMENTED);
+        ASSERT_TRUE(rc == ErrorCode::OK || rc == ErrorCode::UNIMPLEMENTED)
+                << "unexpected result " << rc;
     }
 }
 
@@ -5704,7 +5710,8 @@
     // is checked against those values, and found absent.
     auto result = Begin(KeyPurpose::DECRYPT, params);
     EXPECT_TRUE(result == ErrorCode::UNSUPPORTED_MGF_DIGEST ||
-                result == ErrorCode::INCOMPATIBLE_MGF_DIGEST);
+                result == ErrorCode::INCOMPATIBLE_MGF_DIGEST)
+            << "unexpected result " << result;
 }
 
 /*
@@ -5969,14 +5976,16 @@
                                                      .BlockMode(BlockMode::ECB)
                                                      .Padding(PaddingMode::NONE));
     EXPECT_TRUE(result == ErrorCode::INCOMPATIBLE_BLOCK_MODE ||
-                result == ErrorCode::UNSUPPORTED_BLOCK_MODE);
+                result == ErrorCode::UNSUPPORTED_BLOCK_MODE)
+            << "unexpected result " << result;
 
     result = Begin(KeyPurpose::ENCRYPT, AuthorizationSetBuilder()
                                                 .BlockMode(BlockMode::ECB)
                                                 .Padding(PaddingMode::NONE)
                                                 .Padding(PaddingMode::PKCS7));
     EXPECT_TRUE(result == ErrorCode::INCOMPATIBLE_PADDING_MODE ||
-                result == ErrorCode::UNSUPPORTED_PADDING_MODE);
+                result == ErrorCode::UNSUPPORTED_PADDING_MODE)
+            << "unexpected result " << result;
 }
 
 /*
@@ -8759,7 +8768,8 @@
 // Re-enable and run at your own risk.
 TEST_P(DestroyAttestationIdsTest, DISABLED_DestroyTest) {
     auto result = DestroyAttestationIds();
-    EXPECT_TRUE(result == ErrorCode::OK || result == ErrorCode::UNIMPLEMENTED);
+    EXPECT_TRUE(result == ErrorCode::OK || result == ErrorCode::UNIMPLEMENTED)
+            << "unexpected result " << result;
 }
 
 INSTANTIATE_KEYMINT_AIDL_TEST(DestroyAttestationIdsTest);
@@ -8892,6 +8902,49 @@
 
 INSTANTIATE_KEYMINT_AIDL_TEST(EarlyBootKeyTest);
 
+using ModuleHashTest = KeyMintAidlTestBase;
+
+TEST_P(ModuleHashTest, SetSameValue) {
+    if (AidlVersion() < 4) {
+        GTEST_SKIP() << "Module hash only available for >= v4, this device is v" << AidlVersion();
+    }
+    auto module_hash = getModuleHash();
+    ASSERT_TRUE(module_hash.has_value());
+
+    // Setting the same value that's already there should work.
+    vector<KeyParameter> info = {Authorization(TAG_MODULE_HASH, module_hash.value())};
+    EXPECT_TRUE(keymint_->setAdditionalAttestationInfo(info).isOk());
+}
+
+TEST_P(ModuleHashTest, SetDifferentValue) {
+    if (AidlVersion() < 4) {
+        GTEST_SKIP() << "Module hash only available for >= v4, this device is v" << AidlVersion();
+    }
+    auto module_hash = getModuleHash();
+    ASSERT_TRUE(module_hash.has_value());
+    vector<uint8_t> wrong_hash = module_hash.value();
+    ASSERT_EQ(wrong_hash.size(), 32);
+
+    // Setting a slightly different value should fail.
+    wrong_hash[0] ^= 0x01;
+    vector<KeyParameter> info = {Authorization(TAG_MODULE_HASH, wrong_hash)};
+    EXPECT_EQ(GetReturnErrorCode(keymint_->setAdditionalAttestationInfo(info)),
+              ErrorCode::MODULE_HASH_ALREADY_SET);
+}
+
+TEST_P(ModuleHashTest, SetUnrelatedTag) {
+    if (AidlVersion() < 4) {
+        GTEST_SKIP() << "Module hash only available for >= v4, this device is v" << AidlVersion();
+    }
+
+    // Trying to set an unexpected tag should be silently ignored..
+    vector<uint8_t> data = {0, 1, 2, 3, 4};
+    vector<KeyParameter> info = {Authorization(TAG_ROOT_OF_TRUST, data)};
+    EXPECT_EQ(GetReturnErrorCode(keymint_->setAdditionalAttestationInfo(info)), ErrorCode::OK);
+}
+
+INSTANTIATE_KEYMINT_AIDL_TEST(ModuleHashTest);
+
 using VsrRequirementTest = KeyMintAidlTestBase;
 
 // @VsrTest = VSR-3.10-008
@@ -8912,6 +8965,18 @@
     EXPECT_GE(AidlVersion(), 3) << "VSR 14+ requires KeyMint version 3";
 }
 
+// @VsrTest = GMS-VSR-3.10-019
+TEST_P(VsrRequirementTest, Vsr16Test) {
+    int vsr_api_level = get_vsr_api_level();
+    if (vsr_api_level <= __ANDROID_API_V__) {
+        GTEST_SKIP() << "Applies only to VSR API level > 35, this device is: " << vsr_api_level;
+    }
+    if (SecLevel() == SecurityLevel::STRONGBOX) {
+        GTEST_SKIP() << "Applies only to TEE KeyMint, not StrongBox KeyMint";
+    }
+    EXPECT_GE(AidlVersion(), 4) << "VSR 16+ requires KeyMint version 4 in TEE";
+}
+
 INSTANTIATE_KEYMINT_AIDL_TEST(VsrRequirementTest);
 
 class InstanceTest : public testing::Test {
diff --git a/security/keymint/support/Android.bp b/security/keymint/support/Android.bp
index 271e36c..7050141 100644
--- a/security/keymint/support/Android.bp
+++ b/security/keymint/support/Android.bp
@@ -30,6 +30,7 @@
         "-Wall",
         "-Wextra",
         "-Werror",
+        "-DKEYMINT_HAL_V4",
     ],
     srcs: [
         "attestation_record.cpp",
diff --git a/security/keymint/support/attestation_record.cpp b/security/keymint/support/attestation_record.cpp
index 5a26611..d2cbf88 100644
--- a/security/keymint/support/attestation_record.cpp
+++ b/security/keymint/support/attestation_record.cpp
@@ -106,6 +106,7 @@
     ASN1_NULL* device_unique_attestation;
     ASN1_NULL* identity_credential;
     ASN1_OCTET_STRING* attestation_id_second_imei;
+    ASN1_OCTET_STRING* module_hash;
 } KM_AUTH_LIST;
 
 ASN1_SEQUENCE(KM_AUTH_LIST) = {
@@ -173,6 +174,7 @@
                      TAG_IDENTITY_CREDENTIAL_KEY.maskedTag()),
         ASN1_EXP_OPT(KM_AUTH_LIST, attestation_id_second_imei, ASN1_OCTET_STRING,
                      TAG_ATTESTATION_ID_SECOND_IMEI.maskedTag()),
+        ASN1_EXP_OPT(KM_AUTH_LIST, module_hash, ASN1_OCTET_STRING, TAG_MODULE_HASH.maskedTag()),
 } ASN1_SEQUENCE_END(KM_AUTH_LIST);
 IMPLEMENT_ASN1_FUNCTIONS(KM_AUTH_LIST);
 
@@ -327,6 +329,7 @@
     copyAuthTag(record->device_unique_attestation, TAG_DEVICE_UNIQUE_ATTESTATION, auth_list);
     copyAuthTag(record->identity_credential, TAG_IDENTITY_CREDENTIAL_KEY, auth_list);
     copyAuthTag(record->attestation_id_second_imei, TAG_ATTESTATION_ID_SECOND_IMEI, auth_list);
+    copyAuthTag(record->module_hash, TAG_MODULE_HASH, auth_list);
 
     return ErrorCode::OK;
 }
diff --git a/security/keymint/support/include/keymint_support/keymint_tags.h b/security/keymint/support/include/keymint_support/keymint_tags.h
index 823899a..89c9c0b 100644
--- a/security/keymint/support/include/keymint_support/keymint_tags.h
+++ b/security/keymint/support/include/keymint_support/keymint_tags.h
@@ -103,6 +103,15 @@
 DECLARE_TYPED_TAG(MAX_USES_PER_BOOT);
 DECLARE_TYPED_TAG(MIN_MAC_LENGTH);
 DECLARE_TYPED_TAG(MIN_SECONDS_BETWEEN_OPS);
+// TODO: remove special case macro once v4 HAL is frozen
+#ifdef KEYMINT_HAL_V4
+DECLARE_TYPED_TAG(MODULE_HASH);
+#else
+// When building for previous frozen HAL, the `Tag::MODULE_NAME` constant is not available.
+static const Tag Tag_MODULE_HASH = static_cast<Tag>(-1879047468);
+typedef typename Tag2TypedTag<Tag_MODULE_HASH>::type TAG_MODULE_HASH_t;
+static TAG_MODULE_HASH_t TAG_MODULE_HASH;
+#endif
 DECLARE_TYPED_TAG(NONCE);
 DECLARE_TYPED_TAG(NO_AUTH_REQUIRED);
 DECLARE_TYPED_TAG(ORIGIN);
diff --git a/staging/security/see/Android.bp b/staging/security/see/Android.bp
new file mode 100644
index 0000000..a83b65d
--- /dev/null
+++ b/staging/security/see/Android.bp
@@ -0,0 +1,5 @@
+dirgroup {
+    name: "trusty_dirgroup_hardware_interfaces_staging_security_see",
+    dirs: ["."],
+    visibility: ["//trusty/vendor/google/aosp/scripts"],
+}
diff --git a/staging/security/see/hwcrypto/aidl/Android.bp b/staging/security/see/hwcrypto/aidl/Android.bp
index 0a7e8be..2da59a4 100644
--- a/staging/security/see/hwcrypto/aidl/Android.bp
+++ b/staging/security/see/hwcrypto/aidl/Android.bp
@@ -28,4 +28,5 @@
             enabled: true,
         },
     },
+    frozen: false,
 }
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
index 3763f0a..5b34572 100644
--- a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
@@ -38,10 +38,16 @@
   android.hardware.security.see.hwcrypto.IHwCryptoKey.DerivedKey deriveKey(in android.hardware.security.see.hwcrypto.IHwCryptoKey.DerivedKeyParameters parameters);
   android.hardware.security.see.hwcrypto.IHwCryptoOperations getHwCryptoOperations();
   android.hardware.security.see.hwcrypto.IOpaqueKey importClearKey(in android.hardware.security.see.hwcrypto.types.ExplicitKeyMaterial keyMaterial, in android.hardware.security.see.hwcrypto.KeyPolicy newKeyPolicy);
+  byte[] getCurrentDicePolicy();
+  android.hardware.security.see.hwcrypto.IOpaqueKey keyTokenImport(in android.hardware.security.see.hwcrypto.types.OpaqueKeyToken requestedKey, in byte[] sealingDicePolicy);
+  android.hardware.security.see.hwcrypto.IOpaqueKey getKeyslotData(android.hardware.security.see.hwcrypto.IHwCryptoKey.KeySlot slotId);
   enum DeviceKeyId {
     DEVICE_BOUND_KEY,
     BATCH_KEY,
   }
+  enum KeySlot {
+    KEYMINT_SHARED_HMAC_KEY,
+  }
   union DiceBoundDerivationKey {
     android.hardware.security.see.hwcrypto.IOpaqueKey opaqueKey;
     android.hardware.security.see.hwcrypto.IHwCryptoKey.DeviceKeyId keyId;
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
index 9cbf272..88dbdf1 100644
--- a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
@@ -36,4 +36,6 @@
   byte[] exportWrappedKey(in android.hardware.security.see.hwcrypto.IOpaqueKey wrappingKey);
   android.hardware.security.see.hwcrypto.KeyPolicy getKeyPolicy();
   byte[] getPublicKey();
+  android.hardware.security.see.hwcrypto.types.OpaqueKeyToken getShareableToken(in byte[] sealingDicePolicy);
+  void setProtectionId(in android.hardware.security.see.hwcrypto.types.ProtectionId protectionId, in android.hardware.security.see.hwcrypto.types.OperationType[] allowedOperations);
 }
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/OperationParameters.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/OperationParameters.aidl
index 017e51c..e069610 100644
--- a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/OperationParameters.aidl
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/OperationParameters.aidl
@@ -35,4 +35,5 @@
 union OperationParameters {
   android.hardware.security.see.hwcrypto.types.SymmetricAuthOperationParameters symmetricAuthCrypto;
   android.hardware.security.see.hwcrypto.types.SymmetricOperationParameters symmetricCrypto;
+  android.hardware.security.see.hwcrypto.types.HmacOperationParameters hmac;
 }
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
index 933fb67..9970678 100644
--- a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
@@ -34,4 +34,5 @@
 package android.hardware.security.see.hwcrypto.types;
 union ExplicitKeyMaterial {
   android.hardware.security.see.hwcrypto.types.AesKey aes;
+  android.hardware.security.see.hwcrypto.types.HmacKey hmac;
 }
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
index cd8b3c6..742314c 100644
--- a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
@@ -41,4 +41,5 @@
   const int ALLOCATION_ERROR = (-5) /* -5 */;
   const int INVALID_KEY = (-6) /* -6 */;
   const int BAD_PARAMETER = (-7) /* -7 */;
+  const int UNAUTHORIZED = (-8) /* -8 */;
 }
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacKey.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacKey.aidl
new file mode 100644
index 0000000..f8de94a
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacKey.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+union HmacKey {
+  byte[32] sha256 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+  byte[64] sha512;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl
new file mode 100644
index 0000000..532cd8d
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+parcelable HmacOperationParameters {
+  android.hardware.security.see.hwcrypto.IOpaqueKey key;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl
new file mode 100644
index 0000000..fc2dd63
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+parcelable OpaqueKeyToken {
+  byte[] keyToken;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl
new file mode 100644
index 0000000..1e304ab
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+enum ProtectionId {
+  WIDEVINE_OUTPUT_BUFFER = 1,
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
index b5e7e9d..bb194a3 100644
--- a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoKey.aidl
@@ -19,6 +19,7 @@
 import android.hardware.security.see.hwcrypto.IOpaqueKey;
 import android.hardware.security.see.hwcrypto.KeyPolicy;
 import android.hardware.security.see.hwcrypto.types.ExplicitKeyMaterial;
+import android.hardware.security.see.hwcrypto.types.OpaqueKeyToken;
 
 /*
  * Higher level interface to access and generate keys.
@@ -36,6 +37,19 @@
         DEVICE_BOUND_KEY,
         BATCH_KEY,
     }
+
+    /*
+     * Identifier for the requested key slot. The currently supported identifiers are:
+     *
+     * KEYMINT_SHARED_HMAC_KEY:
+     *      This is the shared HMAC key that will now be computed by HwCryptoKey after participating
+     *      in the ISharedSecret protocol that can be shared with KeyMint and authenticators. See
+     *      ISharedSecret.aidl for more information.
+     */
+    enum KeySlot {
+        KEYMINT_SHARED_HMAC_KEY,
+    }
+
     union DiceBoundDerivationKey {
         /*
          * Opaque to be used to derive the DICE bound key.
@@ -217,4 +231,59 @@
      *      otherwise.
      */
     IOpaqueKey importClearKey(in ExplicitKeyMaterial keyMaterial, in KeyPolicy newKeyPolicy);
+
+    /*
+     * getCurrentDicePolicy() - Returns the client current DICE policy. This policy is encrypted and
+     *                          considered opaque from the client perspective. This policy is the
+     *                          same used to create DICE bound keys and will also be used to seal
+     *                          secrets that can only be retrieved by the DICE policy owner. The
+     *                          first use of this seal operation will be
+     *                          <code>IOpaqueKey::getShareableToken</code> and
+     *                          <code>IHwCryptoKey::keyTokenImport</code>. To start this process,
+     *                          the intended key receiver will call this function and then pass the
+     *                          generated DICE policy to the owner of the key that the receiver
+     *                          wants to import. The key owner will then call
+     *                          <code>IOpaqueKey::getShareableToken</code> passing the receiver DICE
+     *                          policy to insure that only that receiver can import the key.
+     *
+     * Return:
+     *      byte[] on success, which is the caller encrypted DICE policy.
+     */
+    byte[] getCurrentDicePolicy();
+
+    /*
+     * key_token_import() - Imports a key from a different client service instance. Because
+     *                      IOpaqueKey are binder objects that cannot be directly shared between
+     *                      binder rpc clients, this method provide a way to send a key to another
+     *                      client. Keys to be imported by the receiver are represented by a token
+     *                      created using <code>IOpaqueKey::getShareableToken</code>. The flow
+     *                      to create this token is described in
+     *                      <code>IHwCryptoKey::getCurrentDicePolicy</code>.
+     *
+     * @requested_key:
+     *      Handle to the key to be imported to the caller service.
+     * @sealingDicePolicy:
+     *      DICE policy used to seal the exported key.
+     * Return:
+     *      A IOpaqueKey that can be directly be used on the local HWCrypto service on
+     *      success, service specific error based on <code>HalErrorCode</code> otherwise.
+     */
+    IOpaqueKey keyTokenImport(in OpaqueKeyToken requestedKey, in byte[] sealingDicePolicy);
+
+    /*
+     * getKeyslotData() - Gets the keyslot key material referenced by slotId.
+     *
+     * @slotId:
+     *      Identifier for the requested keyslot
+     *
+     * This interface is used to access device specific keys with known types and uses. Because the
+     * returned key is opaque, it can only be used through the different HwCrypto interfaces.
+     * Because the keys live in a global namespace the identity of the caller needs to be
+     * checked to verify that it has permission to accesses the requested key.
+     *
+     * Return:
+     *      Ok(IOpaqueKey) on success, UNAUTHORIZED if the caller cannot access the requested key,
+     *      another specific error code otherwise.
+     */
+    IOpaqueKey getKeyslotData(KeySlot slotId);
 }
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
index 0d0f613..9a72639 100644
--- a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
@@ -16,7 +16,9 @@
 package android.hardware.security.see.hwcrypto;
 
 import android.hardware.security.see.hwcrypto.KeyPolicy;
+import android.hardware.security.see.hwcrypto.types.OpaqueKeyToken;
 import android.hardware.security.see.hwcrypto.types.OperationType;
+import android.hardware.security.see.hwcrypto.types.ProtectionId;
 
 interface IOpaqueKey {
     /*
@@ -52,4 +54,37 @@
      *      <code>HalErrorCode</code> otherwise. Format used for the returned public key is COSE.
      */
     byte[] getPublicKey();
+
+    /*
+     * getShareableToken() - Returns a token that can shared with another HWCrypto client.
+     *
+     * @sealingDicePolicy:
+     *      Token to be used to protect the returned OpaqueKeyToken. It will be used so only
+     *      the owner of the sealingDicePolicy can import the key.
+     * Return:
+     *      <code>OpaqueKeyMaterial</code> token on success, service specific error based on
+     *      <code>HalErrorCode</code> otherwise.
+     */
+    OpaqueKeyToken getShareableToken(in byte[] sealingDicePolicy);
+
+    /*
+     * setProtectionId() - Sets the protectionID associated with the buffers where the operation
+     *                     will be performed. A protection ID serves as a limitation on the key so
+     *                     it can only operate on buffers with a matching protection ID.
+     *                     The client calling this functions needs to have the necessary permissions
+     *                     to read and/or write to this buffer. Setting this parameter means that
+     *                     if the key is shared with a different client, the client receiving the
+     *                     key will be limited in which buffers can be used to read/write data for
+     *                     this operation.
+     *
+     * @protectionId:
+     *      ID of the given use case to provide protection for. The method of protecting the buffer
+     *      will be platform dependent.
+     * @allowedOperations:
+     *      array of allowed operations. Allowed operations are either READ or WRITE.
+     *
+     * Return:
+     *      service specific error based on <code>HalErrorCode</code> on failure.
+     */
+    void setProtectionId(in ProtectionId protectionId, in OperationType[] allowedOperations);
 }
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/OperationParameters.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/OperationParameters.aidl
index 9e2fc6c..a977f56 100644
--- a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/OperationParameters.aidl
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/OperationParameters.aidl
@@ -15,6 +15,7 @@
  */
 package android.hardware.security.see.hwcrypto;
 
+import android.hardware.security.see.hwcrypto.types.HmacOperationParameters;
 import android.hardware.security.see.hwcrypto.types.SymmetricAuthOperationParameters;
 import android.hardware.security.see.hwcrypto.types.SymmetricOperationParameters;
 
@@ -31,4 +32,9 @@
      * Parameters for non-authenticated symmetric cryptography (AES/TDES).
      */
     SymmetricOperationParameters symmetricCrypto;
+
+    /*
+     * Parameters for hash based message authenticated code operations.
+     */
+    HmacOperationParameters hmac;
 }
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
index 4298ba9..3aa5611 100644
--- a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ExplicitKeyMaterial.aidl
@@ -16,10 +16,12 @@
 package android.hardware.security.see.hwcrypto.types;
 
 import android.hardware.security.see.hwcrypto.types.AesKey;
+import android.hardware.security.see.hwcrypto.types.HmacKey;
 
 /*
  * Type encapsulating a clear key.
  */
 union ExplicitKeyMaterial {
     AesKey aes;
+    HmacKey hmac;
 }
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
index e8e8539..f536c0e 100644
--- a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
@@ -42,4 +42,7 @@
 
     /* Bad parameter supplied for the desired operation */
     const int BAD_PARAMETER = -7;
+
+    /* Caller is not authorized to make this call */
+    const int UNAUTHORIZED = -8;
 }
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacKey.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacKey.aidl
new file mode 100644
index 0000000..a0b6ba7
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacKey.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.hwcrypto.types;
+
+/*
+ * Type that represents an Hmac key.
+ */
+union HmacKey {
+    /*
+     * Raw Hmac key for use with sha256.
+     */
+    byte[32] sha256 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0};
+
+    /*
+     * Raw Hmac key for use with sha512.
+     */
+    byte[64] sha512;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl
new file mode 100644
index 0000000..da09a2c
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HmacOperationParameters.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.hwcrypto.types;
+
+import android.hardware.security.see.hwcrypto.IOpaqueKey;
+/*
+ * Data needed to perform HMAC operations.
+ */
+parcelable HmacOperationParameters {
+    /*
+     * Key to be used for the HMAC operation.
+     */
+    IOpaqueKey key;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl
new file mode 100644
index 0000000..db95c18
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OpaqueKeyToken.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.hwcrypto.types;
+
+/*
+ * Implementation defined structure that represents a key and its associated metadata. It is only
+ * valid on the current boot, and its reuse after a session is closed (or between sessions) is not
+ * guaranteed.
+ */
+parcelable OpaqueKeyToken {
+    /*
+     * Opaque type used to send IOpaqueKeys keys to different clients. Its format is implementation
+     * dependant.
+     */
+    byte[] keyToken;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl
new file mode 100644
index 0000000..8686882
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/ProtectionId.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.security.see.hwcrypto.types;
+
+/*
+ * Enum describing the different types of protected buffers. Protected buffers are named by its
+ * corresponding use case and its underlaying implementation is platform dependant.
+ */
+enum ProtectionId {
+    /*
+     * ProtectionID used by HwCrypto to enable Keys that can be used for Widevine video buffers.
+     * These buffers should not be readable by non-trusted entities and HwCrypto should not allow
+     * any read access to them through its interface.
+     */
+    WIDEVINE_OUTPUT_BUFFER = 1,
+}
diff --git a/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl
index 022de9a..1841bf5 100644
--- a/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl
+++ b/staging/security/see/storage/aidl/android/hardware/security/see/storage/ISecureStorage.aidl
@@ -34,6 +34,13 @@
     /**
      * Starts a storage session for a filesystem.
      *
+     * Clients should be prepared for `startSession` and any methods called on the `IStorageSession`
+     * or its sub-interfaces to return `WOULD_BLOCK` (a `binder::Status` with an exception code of
+     * `EX_TRANSACTION_FAILED` and a transaction error code of `android::WOULD_BLOCK`), which
+     * indicates that the requested storage is not currently available. Possible cases that might
+     * cause this return code might be accessing the data partition during boot stages where it
+     * isn't yet mounted or attempting to commit changes while an A/B update is in progress.
+     *
      * @filesystem:
      *     The minimum filesystem properties requested.
      *
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
index 87257be..9d62431 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttResult.aidl
@@ -71,4 +71,6 @@
   long baseAkm;
   long cipherSuite;
   int secureHeLtfProtocolVersion;
+  long pasnComebackAfterMillis;
+  @nullable byte[] pasnComebackCookie;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttSecureConfig.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttSecureConfig.aidl
index c2d7866..64e81de 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttSecureConfig.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/RttSecureConfig.aidl
@@ -37,4 +37,5 @@
   android.hardware.wifi.PasnConfig pasnConfig;
   boolean enableSecureHeLtf;
   boolean enableRangingFrameProtection;
+  byte[] pasnComebackCookie;
 }
diff --git a/wifi/aidl/android/hardware/wifi/RttResult.aidl b/wifi/aidl/android/hardware/wifi/RttResult.aidl
index dd41868..16b823d 100644
--- a/wifi/aidl/android/hardware/wifi/RttResult.aidl
+++ b/wifi/aidl/android/hardware/wifi/RttResult.aidl
@@ -234,4 +234,19 @@
      * Secure HE-LTF protocol version used.
      */
     int secureHeLtfProtocolVersion;
+    /**
+     * When an AP receives a large volume of initial PASN Authentication frames, it can use the
+     * comeback after field in the PASN Parameters element to indicate a deferral time and
+     * optionally provide a comeback cookie which is an opaque sequence of octets. This field is
+     * set to 0 to indicate that the subsequent ranging request can be retried with the
+     * |pasnComebackCookie|.
+     */
+    long pasnComebackAfterMillis;
+    /**
+     * Comeback cookie is an opaque sequence of octects sent by the AP when PASN authentication
+     * needs to be deferred. The same cookie needs to be passed in |RttSecureConfig| when the
+     * station has to range with the AP after |RttResult.pasnComebackAfterMillis|. Maximum size of
+     * cookie is 255 bytes. Refer IEEE Std 802.11az‐2022, section 9.4.2.303 PASN Parameters element.
+     */
+    @nullable byte[] pasnComebackCookie;
 }
diff --git a/wifi/aidl/android/hardware/wifi/RttSecureConfig.aidl b/wifi/aidl/android/hardware/wifi/RttSecureConfig.aidl
index c10e6b5..d1394ab 100644
--- a/wifi/aidl/android/hardware/wifi/RttSecureConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/RttSecureConfig.aidl
@@ -35,4 +35,8 @@
      * Enable Ranging frame protection.
      */
     boolean enableRangingFrameProtection;
+    /**
+     * Comeback cookie is an opaque sequence of octets retrieved from |RttResult|.
+     */
+    byte[] pasnComebackCookie;
 }
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/ApInfo.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/ApInfo.aidl
index 1a66105..f8320c6 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/ApInfo.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/ApInfo.aidl
@@ -41,4 +41,5 @@
   android.hardware.wifi.hostapd.Generation generation;
   byte[] apIfaceInstanceMacAddress;
   @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
+  @nullable byte[] mldMacAddress;
 }
diff --git a/wifi/hostapd/aidl/android/hardware/wifi/hostapd/ApInfo.aidl b/wifi/hostapd/aidl/android/hardware/wifi/hostapd/ApInfo.aidl
index f2b2ee6..4e1e1c8 100644
--- a/wifi/hostapd/aidl/android/hardware/wifi/hostapd/ApInfo.aidl
+++ b/wifi/hostapd/aidl/android/hardware/wifi/hostapd/ApInfo.aidl
@@ -63,4 +63,9 @@
      * Optional vendor-specific information.
      */
     @nullable OuiKeyedData[] vendorData;
+
+    /**
+     * MAC Address of the multiple link device (MLD) which apIfaceInstance is associated with.
+     */
+    @nullable byte[] mldMacAddress;
 }
diff --git a/wifi/legacy_headers/include/hardware_legacy/rtt.h b/wifi/legacy_headers/include/hardware_legacy/rtt.h
index 93ea145..3fa4e95 100644
--- a/wifi/legacy_headers/include/hardware_legacy/rtt.h
+++ b/wifi/legacy_headers/include/hardware_legacy/rtt.h
@@ -100,6 +100,7 @@
 
 #define RTT_SECURITY_MAX_PASSPHRASE_LEN 63
 #define PMKID_LEN 16
+#define RTT_MAX_COOKIE_LEN 255
 
 typedef struct {
     wifi_rtt_akm base_akm;  // Base Authentication and Key Management (AKM) protocol used for PASN
@@ -111,7 +112,9 @@
     u32 pmkid_len;
     u8 pmkid[PMKID_LEN];  // PMKID corresponding to the cached PMK from the base AKM. PMKID can be
                           // null if no cached PMK is present.
-
+    u8 comeback_cookie_len;  // Comeback cookie length. If the length is 0, it indicates there is no
+                             // cookie.
+    u8 comeback_cookie[RTT_MAX_COOKIE_LEN];  // Comeback cookie indicated over wifi_rtt_result_v4.
 } wifi_rtt_pasn_config;
 
 typedef struct {
@@ -261,6 +264,11 @@
     wifi_rtt_akm base_akm;
     wifi_rtt_cipher_suite cipher_suite;
     int secure_he_ltf_protocol_version;
+    u16 pasn_comeback_after_millis;  // The time in milliseconds after which the non-AP STA is
+                                     // requested to retry the PASN authentication.
+    u8 pasn_comeback_cookie_len;  // Comeback cookie length. If the length is 0, it indicates there
+                                  // is no cookie.
+    u8 pasn_comeback_cookie[RTT_MAX_COOKIE_LEN];  // Comeback cookie octets.
 } wifi_rtt_result_v4;
 
 /* RTT result callbacks */
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index b617c57..e96b386 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -86,6 +86,6 @@
   enum MloLinkInfoChangeReason {
     TID_TO_LINK_MAP = 0,
     MULTI_LINK_RECONFIG_AP_REMOVAL = 1,
-    MULTI_LINK_RECONFIG_AP_ADDITION = 2,
+    MULTI_LINK_DYNAMIC_RECONFIG = 2,
   }
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index 8740ad0..e5e2e84 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -336,21 +336,24 @@
          */
         TID_TO_LINK_MAP = 0,
         /**
-         * Multi-link reconfiguration - AP removal as described in
-         * IEEE 802.11be spec, section 35.3.6. This is a mandatory feature for
-         * station according to Wi-Fi 7 R1 MRD.
+         * Multi-link reconfiguration - AP removal as described in the Wi-Fi 7 R1 MRD section
+         * 6.3.2.18. This is a mandatory feature for station.
          *
          * Removed link will not be present in |ISupplicantStaIface.getConnectionMloLinksInfo|.
          */
         MULTI_LINK_RECONFIG_AP_REMOVAL = 1,
         /**
-         * Multi-link reconfiguration - Adding affiliated AP(s) as described in
-         * IEEE 802.11be spec, section 35.3.6. This is an optional feature for
-         * station according to Wi-Fi 7 R2 MRD.
+         * Multi-link reconfiguration add/delete links without re-association as described in
+         * the Wi-Fi 7 R2 MRD section 6.4.2.4. This is an optional feature.
+         *
+         * This feature enables dynamic link reconfiguration operations (add link and/or delete
+         * link) on the multi-link setup of a STA MLD, either triggered by the AP MLD or initiated
+         * by the STA MLD itself. This avoids reassociation for any link reconfiguration operation.
          *
          * Added link will be present in |ISupplicantStaIface.getConnectionMloLinksInfo|.
+         * Deleted link will not be present in |ISupplicantStaIface.getConnectionMloLinksInfo|.
          */
-        MULTI_LINK_RECONFIG_AP_ADDITION = 2,
+        MULTI_LINK_DYNAMIC_RECONFIG = 2,
     }
 
     /**