diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 6740bb5..2116e21 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -4,6 +4,7 @@
 [Builtin Hooks]
 bpfmt = true
 clang_format = true
+aidl_format = true
 
 [Hook Scripts]
 aosp_hook_confirmationui = ${REPO_ROOT}/frameworks/base/tools/aosp/aosp_sha.sh ${PREUPLOAD_COMMIT} confirmationui
diff --git a/audio/6.0/config/api/current.txt b/audio/6.0/config/api/current.txt
index 6b49e5e..f5d4798 100644
--- a/audio/6.0/config/api/current.txt
+++ b/audio/6.0/config/api/current.txt
@@ -133,6 +133,7 @@
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LDAC;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LHDC;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_LHDC_LL;
+    enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_1_0;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_2_0;
     enum_constant public static final audio.policy.configuration.V6_0.AudioFormat AUDIO_FORMAT_MAT_2_1;
diff --git a/audio/6.0/config/audio_policy_configuration.xsd b/audio/6.0/config/audio_policy_configuration.xsd
index 341c6b3..ead1cc2 100644
--- a/audio/6.0/config/audio_policy_configuration.xsd
+++ b/audio/6.0/config/audio_policy_configuration.xsd
@@ -363,6 +363,7 @@
             <xs:enumeration value="AUDIO_FORMAT_AC4"/>
             <xs:enumeration value="AUDIO_FORMAT_LDAC"/>
             <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT"/>
             <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/>
             <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/>
             <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/>
diff --git a/audio/core/all-versions/default/StreamOut.cpp b/audio/core/all-versions/default/StreamOut.cpp
index ffd3b6b..21d439c 100644
--- a/audio/core/all-versions/default/StreamOut.cpp
+++ b/audio/core/all-versions/default/StreamOut.cpp
@@ -658,32 +658,65 @@
 
 #if MAJOR_VERSION >= 6
 Return<void> StreamOut::getDualMonoMode(getDualMonoMode_cb _hidl_cb) {
-    _hidl_cb(Result::NOT_SUPPORTED, DualMonoMode::OFF);
+    audio_dual_mono_mode_t mode = AUDIO_DUAL_MONO_MODE_OFF;
+    Result retval = mStream->get_dual_mono_mode != nullptr
+                            ? Stream::analyzeStatus("get_dual_mono_mode",
+                                                    mStream->get_dual_mono_mode(mStream, &mode))
+                            : Result::NOT_SUPPORTED;
+    _hidl_cb(retval, DualMonoMode(mode));
     return Void();
 }
 
-Return<Result> StreamOut::setDualMonoMode(DualMonoMode /*mode*/) {
-    return Result::NOT_SUPPORTED;
+Return<Result> StreamOut::setDualMonoMode(DualMonoMode mode) {
+    return mStream->set_dual_mono_mode != nullptr
+                   ? Stream::analyzeStatus(
+                             "set_dual_mono_mode",
+                             mStream->set_dual_mono_mode(mStream,
+                                                         static_cast<audio_dual_mono_mode_t>(mode)))
+                   : Result::NOT_SUPPORTED;
 }
 
 Return<void> StreamOut::getAudioDescriptionMixLevel(getAudioDescriptionMixLevel_cb _hidl_cb) {
-    _hidl_cb(Result::NOT_SUPPORTED, -std::numeric_limits<float>::infinity());
+    float leveldB = -std::numeric_limits<float>::infinity();
+    Result retval = mStream->get_audio_description_mix_level != nullptr
+                            ? Stream::analyzeStatus(
+                                      "get_audio_description_mix_level",
+                                      mStream->get_audio_description_mix_level(mStream, &leveldB))
+                            : Result::NOT_SUPPORTED;
+    _hidl_cb(retval, leveldB);
     return Void();
 }
 
-Return<Result> StreamOut::setAudioDescriptionMixLevel(float /*leveldB*/) {
-    return Result::NOT_SUPPORTED;
+Return<Result> StreamOut::setAudioDescriptionMixLevel(float leveldB) {
+    return mStream->set_audio_description_mix_level != nullptr
+                   ? Stream::analyzeStatus(
+                             "set_audio_description_mix_level",
+                             mStream->set_audio_description_mix_level(mStream, leveldB))
+                   : Result::NOT_SUPPORTED;
 }
 
 Return<void> StreamOut::getPlaybackRateParameters(getPlaybackRateParameters_cb _hidl_cb) {
-    _hidl_cb(Result::NOT_SUPPORTED,
-             // Same as AUDIO_PLAYBACK_RATE_INITIALIZER
-             PlaybackRate{1.0f, 1.0f, TimestretchMode::DEFAULT, TimestretchFallbackMode::FAIL});
+    audio_playback_rate_t rate = AUDIO_PLAYBACK_RATE_INITIALIZER;
+    Result retval =
+            mStream->get_playback_rate_parameters != nullptr
+                    ? Stream::analyzeStatus("get_playback_rate_parameters",
+                                            mStream->get_playback_rate_parameters(mStream, &rate))
+                    : Result::NOT_SUPPORTED;
+    _hidl_cb(retval,
+             PlaybackRate{rate.mSpeed, rate.mPitch, static_cast<TimestretchMode>(rate.mStretchMode),
+                          static_cast<TimestretchFallbackMode>(rate.mFallbackMode)});
     return Void();
 }
 
-Return<Result> StreamOut::setPlaybackRateParameters(const PlaybackRate& /*playbackRate*/) {
-    return Result::NOT_SUPPORTED;
+Return<Result> StreamOut::setPlaybackRateParameters(const PlaybackRate& playbackRate) {
+    audio_playback_rate_t rate = {
+            playbackRate.speed, playbackRate.pitch,
+            static_cast<audio_timestretch_stretch_mode_t>(playbackRate.timestretchMode),
+            static_cast<audio_timestretch_fallback_mode_t>(playbackRate.fallbackMode)};
+    return mStream->set_playback_rate_parameters != nullptr
+                   ? Stream::analyzeStatus("set_playback_rate_parameters",
+                                           mStream->set_playback_rate_parameters(mStream, &rate))
+                   : Result::NOT_SUPPORTED;
 }
 
 Return<Result> StreamOut::setEventCallback(const sp<IStreamOutEventCallback>& callback) {
diff --git a/radio/1.6/IRadio.hal b/radio/1.6/IRadio.hal
index 3dc80b9..a398e7d 100644
--- a/radio/1.6/IRadio.hal
+++ b/radio/1.6/IRadio.hal
@@ -117,6 +117,9 @@
      * @param pduSessionId The pdu session id to be used for this data call.  A value of 0 means
      *     no pdu session id was attached to this call.
      *     Reference: 3GPP TS 24.007 section 11.2.3.1b
+     * @param sliceInfo SliceInfo to be used for the data connection when a handover occurs from
+     *     EPDG to 5G.  It is valid only when accessNetwork is AccessNetwork:NGRAN.  If the slice
+     *     passed from EPDG is rejected, then the data failure cause must be DataCallFailCause:SLICE_REJECTED.
      *
      * Response function is IRadioResponse.setupDataCallResponse_1_6()
      *
@@ -125,7 +128,7 @@
     oneway setupDataCall_1_6(int32_t serial, AccessNetwork accessNetwork,
             DataProfileInfo dataProfileInfo, bool roamingAllowed,
             DataRequestReason reason, vec<LinkAddress> addresses, vec<string> dnses,
-            int32_t pduSessionId);
+            int32_t pduSessionId, OptionalSliceInfo sliceInfo);
 
     /**
      * Send an SMS message
diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index 6dd8315..8e1033b 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -356,6 +356,12 @@
      * Reference: 3GPP TS 24.007 section 11.2.3.1b
      */
     int32_t pduSessionId;
+
+    /**
+     * Slice used for this data call. It is valid only when this data call is on
+     * AccessNetwork:NGRAN.
+     */
+    OptionalSliceInfo sliceInfo;
 };
 
 /**
@@ -804,3 +810,80 @@
     BAND_53 = 53,
     BAND_96 = 96,
 };
+
+/**
+ * This safe_union represents an optional slice info
+ */
+safe_union OptionalSliceInfo {
+    Monostate noinit;
+    SliceInfo value;
+};
+
+/**
+ * This struct represents a S-NSSAI as defined in 3GPP TS 24.501.
+ */
+struct SliceInfo {
+    /**
+     * The type of service provided by the slice.
+     *
+     * see: 3GPP TS 24.501 Section 9.11.2.8.
+     */
+    SliceServiceType sst;
+
+    /**
+     * Slice differentiator is the identifier of a slice that has
+     * SliceServiceType as SST. A value of -1 indicates that there is
+     * no corresponding SliceInfo of the HPLMN.
+     *
+     * see: 3GPP TS 24.501 Section 9.11.2.8.
+     */
+    int32_t sliceDifferentiator;
+
+    /**
+     * This SST corresponds to a SliceInfo (S-NSSAI) of the HPLMN; the SST is
+     * mapped to this value.
+     *
+     * see: 3GPP TS 24.501 Section 9.11.2.8.
+     */
+    SliceServiceType mappedHplmnSst;
+
+    /**
+     * Present only if both sliceDifferentiator and mappedHplmnSst are also
+     * present. This SD corresponds to a SliceInfo (S-NSSAI) of the HPLMN;
+     * sliceDifferentiator is mapped to this value. A value of -1 indicates that
+     * there is no corresponding SliceInfo of the HPLMN.
+     *
+     * see: 3GPP TS 24.501 Section 9.11.2.8.
+     */
+    int32_t mappedHplmnSD;
+};
+
+/**
+ * Slice/Service Type as defined in 3GPP TS 23.501.
+ */
+enum SliceServiceType : uint8_t {
+    /* Not specified */
+    NONE = 0,
+
+    /* Slice suitable for the handling of 5G enhanced Mobile Broadband */
+    EMBB = 1,
+
+    /**
+     * Slice suitable for the handling of ultra-reliable low latency
+     * communications
+     */
+    URLLC = 2,
+
+    /* Slice suitable for the handling of massive IoT */
+    MIOT = 3,
+};
+
+/**
+ * Expose more setup data call failures.
+ */
+enum DataCallFailCause : @1.4::DataCallFailCause {
+    /**
+     * Data call fail due to the slice not being allowed for the data call.
+     */
+    SLICE_REJECTED = 0x8CC,
+};
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
index 47babed..8b87292 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.6/vts/functional/radio_hidl_hal_api.cpp
@@ -56,8 +56,12 @@
     ::android::hardware::radio::V1_2::DataRequestReason reason =
             ::android::hardware::radio::V1_2::DataRequestReason::NORMAL;
 
-    Return<void> res = radio_v1_6->setupDataCall_1_6(serial, accessNetwork, dataProfileInfo,
-                                                     roamingAllowed, reason, addresses, dnses, -1);
+    ::android::hardware::radio::V1_6::OptionalSliceInfo optionalSliceInfo;
+    memset(&optionalSliceInfo, 0, sizeof(optionalSliceInfo));
+
+    Return<void> res =
+            radio_v1_6->setupDataCall_1_6(serial, accessNetwork, dataProfileInfo, roamingAllowed,
+                                          reason, addresses, dnses, -1, optionalSliceInfo);
     ASSERT_OK(res);
 
     EXPECT_EQ(std::cv_status::no_timeout, wait());