diff --git a/audio/5.0/config/api/current.txt b/audio/5.0/config/api/current.txt
index 8458a56..dbb5d3b 100644
--- a/audio/5.0/config/api/current.txt
+++ b/audio/5.0/config/api/current.txt
@@ -199,7 +199,7 @@
   public static class DevicePorts.DevicePort {
     ctor public DevicePorts.DevicePort();
     method public String getAddress();
-    method public java.util.List<audio.policy.configuration.V5_0.AudioFormat> getEncodedFormats();
+    method public java.util.List<java.lang.String> getEncodedFormats();
     method public audio.policy.configuration.V5_0.Gains getGains();
     method public java.util.List<audio.policy.configuration.V5_0.Profile> getProfile();
     method public audio.policy.configuration.V5_0.Role getRole();
@@ -207,7 +207,7 @@
     method public String getType();
     method public boolean get_default();
     method public void setAddress(String);
-    method public void setEncodedFormats(java.util.List<audio.policy.configuration.V5_0.AudioFormat>);
+    method public void setEncodedFormats(java.util.List<java.lang.String>);
     method public void setGains(audio.policy.configuration.V5_0.Gains);
     method public void setRole(audio.policy.configuration.V5_0.Role);
     method public void setTagName(String);
@@ -380,10 +380,10 @@
 
   public static class SurroundFormats.Format {
     ctor public SurroundFormats.Format();
-    method public audio.policy.configuration.V5_0.AudioFormat getName();
-    method public java.util.List<audio.policy.configuration.V5_0.AudioFormat> getSubformats();
-    method public void setName(audio.policy.configuration.V5_0.AudioFormat);
-    method public void setSubformats(java.util.List<audio.policy.configuration.V5_0.AudioFormat>);
+    method public String getName();
+    method public java.util.List<java.lang.String> getSubformats();
+    method public void setName(String);
+    method public void setSubformats(java.util.List<java.lang.String>);
   }
 
   public class SurroundSound {
diff --git a/audio/5.0/config/audio_policy_configuration.xsd b/audio/5.0/config/audio_policy_configuration.xsd
index b0d1e20..f92136c 100644
--- a/audio/5.0/config/audio_policy_configuration.xsd
+++ b/audio/5.0/config/audio_policy_configuration.xsd
@@ -611,13 +611,13 @@
         </xs:sequence>
     </xs:complexType>
     <xs:simpleType name="audioFormatsList">
-        <xs:list itemType="audioFormat" />
+        <xs:list itemType="extendableAudioFormat" />
     </xs:simpleType>
     <xs:complexType name="surroundFormats">
         <xs:sequence>
             <xs:element name="format" minOccurs="0" maxOccurs="unbounded">
                 <xs:complexType>
-                    <xs:attribute name="name" type="audioFormat" use="required"/>
+                    <xs:attribute name="name" type="extendableAudioFormat" use="required"/>
                     <xs:attribute name="subformats" type="audioFormatsList" />
                 </xs:complexType>
             </xs:element>
diff --git a/audio/6.0/config/api/current.txt b/audio/6.0/config/api/current.txt
index f5d4798..01db90e 100644
--- a/audio/6.0/config/api/current.txt
+++ b/audio/6.0/config/api/current.txt
@@ -199,7 +199,7 @@
   public static class DevicePorts.DevicePort {
     ctor public DevicePorts.DevicePort();
     method public String getAddress();
-    method public java.util.List<audio.policy.configuration.V6_0.AudioFormat> getEncodedFormats();
+    method public java.util.List<java.lang.String> getEncodedFormats();
     method public audio.policy.configuration.V6_0.Gains getGains();
     method public java.util.List<audio.policy.configuration.V6_0.Profile> getProfile();
     method public audio.policy.configuration.V6_0.Role getRole();
@@ -207,7 +207,7 @@
     method public String getType();
     method public boolean get_default();
     method public void setAddress(String);
-    method public void setEncodedFormats(java.util.List<audio.policy.configuration.V6_0.AudioFormat>);
+    method public void setEncodedFormats(java.util.List<java.lang.String>);
     method public void setGains(audio.policy.configuration.V6_0.Gains);
     method public void setRole(audio.policy.configuration.V6_0.Role);
     method public void setTagName(String);
@@ -391,10 +391,10 @@
 
   public static class SurroundFormats.Format {
     ctor public SurroundFormats.Format();
-    method public audio.policy.configuration.V6_0.AudioFormat getName();
-    method public java.util.List<audio.policy.configuration.V6_0.AudioFormat> getSubformats();
-    method public void setName(audio.policy.configuration.V6_0.AudioFormat);
-    method public void setSubformats(java.util.List<audio.policy.configuration.V6_0.AudioFormat>);
+    method public String getName();
+    method public java.util.List<java.lang.String> getSubformats();
+    method public void setName(String);
+    method public void setSubformats(java.util.List<java.lang.String>);
   }
 
   public class SurroundSound {
diff --git a/audio/6.0/config/audio_policy_configuration.xsd b/audio/6.0/config/audio_policy_configuration.xsd
index ead1cc2..c2b8c5d 100644
--- a/audio/6.0/config/audio_policy_configuration.xsd
+++ b/audio/6.0/config/audio_policy_configuration.xsd
@@ -614,13 +614,13 @@
         </xs:sequence>
     </xs:complexType>
     <xs:simpleType name="audioFormatsList">
-        <xs:list itemType="audioFormat" />
+        <xs:list itemType="extendableAudioFormat" />
     </xs:simpleType>
     <xs:complexType name="surroundFormats">
         <xs:sequence>
             <xs:element name="format" minOccurs="0" maxOccurs="unbounded">
                 <xs:complexType>
-                    <xs:attribute name="name" type="audioFormat" use="required"/>
+                    <xs:attribute name="name" type="extendableAudioFormat" use="required"/>
                     <xs:attribute name="subformats" type="audioFormatsList" />
                 </xs:complexType>
             </xs:element>
diff --git a/audio/7.0/config/api/current.txt b/audio/7.0/config/api/current.txt
index 8a4662f..8fb8036 100644
--- a/audio/7.0/config/api/current.txt
+++ b/audio/7.0/config/api/current.txt
@@ -223,6 +223,10 @@
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MAT_2_1;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP2;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MP3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MPEGH_BL_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MPEGH_BL_L4;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MPEGH_LC_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_MPEGH_LC_L4;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_OPUS;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
@@ -251,7 +255,6 @@
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_AV_SYNC;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_HW_HOTWORD;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_MMAP_NOIRQ;
-    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_NONE;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_RAW;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_SYNC;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_INPUT_FLAG_VOIP_TX;
@@ -264,7 +267,6 @@
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_MMAP_NOIRQ;
-    enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NONE;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_NON_BLOCKING;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_PRIMARY;
     enum_constant public static final android.audio.policy.configuration.V7_0.AudioInOutFlag AUDIO_OUTPUT_FLAG_RAW;
@@ -542,7 +544,7 @@
 
   public enum Version {
     method @NonNull public String getRawName();
-    enum_constant public static final android.audio.policy.configuration.V7_0.Version _1_0;
+    enum_constant public static final android.audio.policy.configuration.V7_0.Version _7_0;
   }
 
   public class Volume {
diff --git a/audio/7.0/config/audio_policy_configuration.xsd b/audio/7.0/config/audio_policy_configuration.xsd
index 685e84a..40dc6f2 100644
--- a/audio/7.0/config/audio_policy_configuration.xsd
+++ b/audio/7.0/config/audio_policy_configuration.xsd
@@ -20,7 +20,7 @@
     <!-- List the config versions supported by audio policy. -->
     <xs:simpleType name="version">
         <xs:restriction base="xs:decimal">
-            <xs:enumeration value="1.0"/>
+            <xs:enumeration value="7.0"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="halVersion">
@@ -159,13 +159,9 @@
         <xs:annotation>
             <xs:documentation xml:lang="en">
               The flags indicate suggested stream attributes supported by the profile.
-              Use of AUDIO_{INPUT|OUTPUT}_FLAG_NONE in the XML file isn't required
-              as empty flag lists are allowed. However these constants are useful for
-              representing an empty enum value.
             </xs:documentation>
         </xs:annotation>
         <xs:restriction base="xs:string">
-            <xs:enumeration value="AUDIO_OUTPUT_FLAG_NONE" />
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT" />
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_PRIMARY" />
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_FAST" />
@@ -181,7 +177,6 @@
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_MMAP_NOIRQ" />
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_VOIP_RX" />
             <xs:enumeration value="AUDIO_OUTPUT_FLAG_INCALL_MUSIC" />
-            <xs:enumeration value="AUDIO_INPUT_FLAG_NONE" />
             <xs:enumeration value="AUDIO_INPUT_FLAG_FAST" />
             <xs:enumeration value="AUDIO_INPUT_FLAG_HW_HOTWORD" />
             <xs:enumeration value="AUDIO_INPUT_FLAG_RAW" />
@@ -407,6 +402,10 @@
             <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/>
             <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/>
             <xs:enumeration value="AUDIO_FORMAT_LC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L4"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L4"/>
         </xs:restriction>
     </xs:simpleType>
     <xs:simpleType name="extendableAudioFormat">
diff --git a/audio/7.0/config/update_audio_policy_config.sh b/audio/7.0/config/update_audio_policy_config.sh
index 051a0df..159fa35 100755
--- a/audio/7.0/config/update_audio_policy_config.sh
+++ b/audio/7.0/config/update_audio_policy_config.sh
@@ -113,6 +113,9 @@
 echo "Press Ctrl-C to cancel, Enter to continue"
 read
 
+# Update 'audioPolicyConfiguration version="1.0"' -> 7.0 in the main file
+sed -i -r -e 's/(audioPolicyConfiguration version=")1.0/\17.0/' ${SOURCE_CONFIG}
+
 updateFile() {
     FILE=$1
     ATTR=$2
diff --git a/audio/README.md b/audio/README.md
index b77b9ba..1938ad4 100644
--- a/audio/README.md
+++ b/audio/README.md
@@ -7,47 +7,49 @@
 
 ## Directory Structure
 
-* `2.0` -- version 2.0 of the core HIDL API. Note that `.hal` files
+* `2.0` — version 2.0 of the core HIDL API. Note that `.hal` files
   can not be moved into the `core` directory because that would change
   its namespace and include path.
-   - `config` -- the XSD schema for the Audio Policy Manager
+   - `config` — the XSD schema for the Audio Policy Manager
      configuration file.
-* `4.0` -- version 4.0 of the core HIDL API.
+* `4.0` — version 4.0 of the core HIDL API.
 * ...
-* `common` -- common types for audio core and effect HIDL API.
-   - `2.0` -- version 2.0 of the common types HIDL API.
-   - `4.0` -- version 4.0.
+* `common` — common types for audio core and effect HIDL API.
+   - `2.0` — version 2.0 of the common types HIDL API.
+   - `4.0` — version 4.0.
    - ...
-   - `7.0` -- version 7.0.
-      - `example` -- example implementation of the core and effect
+   - `7.0` — version 7.0.
+      - `example` — example implementation of the core and effect
         V7.0 API. It represents a "fake" audio HAL that doesn't
         actually communicate with hardware.
-   - `all-versions` -- code common to all version of both core and effect API.
-      - `default` -- shared code of the default implementation.
-         - `service` -- vendor HAL service for hosting the default
+   - `all-versions` — code common to all version of both core and effect API.
+      - `default` — shared code of the default implementation.
+         - `service` — vendor HAL service for hosting the default
            implementation.
-      - `test` -- utilities used by tests.
-      - `util` -- utilities used by both implementation and tests.
-* `core` -- VTS tests and the default implementation of the core API
+      - `test` — utilities used by tests.
+      - `util` — utilities used by both implementation and tests.
+* `core` — VTS tests and the default implementation of the core API
   (not HIDL API, it's in `audio/N.M`).
-   - `7.0` -- code specific to version V7.0 of the core HIDL API
-   - `all-versions` -- the code is common between all versions,
+   - `7.0` — code specific to version V7.0 of the core HIDL API
+   - `all-versions` — the code is common between all versions,
      version-specific parts are enclosed into conditional directives
      of preprocessor or reside in dedicated files.
-       - `default` -- code that wraps the legacy API (from
+       - `default` — code that wraps the legacy API (from
          `hardware/libhardware`).
+         - `util` — utilities for the default implementation.
        - `vts` VTS tests for the core HIDL API.
-* `effect` -- same for the effect HIDL API.
+* `effect` — same for the effect HIDL API.
    - `2.0`
-      - `config` -- the XSD schema for the Audio Effects configuration
-        file.
+      - `config` — the XSD schema for the Audio Effects configuration file.
    - `4.0`
    - ...
    - `all-versions`
-      - `default`
-      - `vts`
-* `policy` -- Configurable Audio Policy schemes.
-   - `1.0` -- note that versions of CAP are not linked to the versions
+       - `default` — code that wraps the legacy API (from
+         `hardware/libhardware`).
+         - `util` — utilities for the default implementation.
+       - `vts` VTS tests for the effect HIDL API.
+* `policy` — Configurable Audio Policy schemes.
+   - `1.0` — note that versions of CAP are not linked to the versions
      of audio HAL.
-      - `vts` -- VTS tests for validating actual configuration files.
-      - `xml` -- XSD schemas for CAP configuration files.
+      - `vts` — VTS tests for validating actual configuration files.
+      - `xml` — XSD schemas for CAP configuration files.
diff --git a/audio/common/7.0/enums/include/android_audio_policy_configuration_V7_0-enums.h b/audio/common/7.0/enums/include/android_audio_policy_configuration_V7_0-enums.h
index c0042db..b427f3a 100644
--- a/audio/common/7.0/enums/include/android_audio_policy_configuration_V7_0-enums.h
+++ b/audio/common/7.0/enums/include/android_audio_policy_configuration_V7_0-enums.h
@@ -212,10 +212,16 @@
     return isOutputDevice(stringToAudioDevice(device));
 }
 
+static inline bool maybeVendorExtension(const std::string& s) {
+    // Only checks whether the string starts with the "vendor prefix".
+    static const std::string vendorPrefix = "VX_";
+    return s.size() > vendorPrefix.size() && s.substr(0, vendorPrefix.size()) == vendorPrefix;
+}
+
 static inline bool isVendorExtension(const std::string& s) {
     // Must match the "vendorExtension" rule from the XSD file.
     static const std::string vendorPrefix = "VX_";
-    return s.size() > vendorPrefix.size() && s.substr(0, vendorPrefix.size()) == vendorPrefix &&
+    return maybeVendorExtension(s) &&
            std::all_of(s.begin() + vendorPrefix.size(), s.end(),
                        [](unsigned char c) { return c == '_' || std::isalnum(c); });
 }
diff --git a/audio/common/7.0/types.hal b/audio/common/7.0/types.hal
index 3903a0b..99c2e5a 100644
--- a/audio/common/7.0/types.hal
+++ b/audio/common/7.0/types.hal
@@ -309,15 +309,15 @@
 struct PlaybackTrackMetadata {
     AudioUsage usage;
     AudioContentType contentType;
-    /** Tags from AudioTrack audio atttributes */
-    vec<AudioTag> tags;
-    AudioChannelMask channelMask;
     /**
      * Positive linear gain applied to the track samples. 0 being muted and 1 is no attenuation,
      * 2 means double amplification...
      * Must not be negative.
      */
     float gain;
+    AudioChannelMask channelMask;
+    /** Tags from AudioTrack audio atttributes */
+    vec<AudioTag> tags;
 };
 
 /** Metadatas of the source of a StreamOut. */
@@ -328,9 +328,6 @@
 /** Metadata of a record track for a StreamIn. */
 struct RecordTrackMetadata {
     AudioSource source;
-    /** Tags from AudioTrack audio atttributes */
-    vec<AudioTag> tags;
-    AudioChannelMask channelMask;
     /**
      * Positive linear gain applied to the track samples. 0 being muted and 1 is no attenuation,
      * 2 means double amplification...
@@ -344,6 +341,9 @@
         Monostate unspecified;
         DeviceAddress device;
     } destination;
+    AudioChannelMask channelMask;
+    /** Tags from AudioTrack audio atttributes */
+    vec<AudioTag> tags;
 };
 
 /** Metadatas of the sink of a StreamIn. */
diff --git a/audio/common/all-versions/default/7.0/HidlUtils.cpp b/audio/common/all-versions/default/7.0/HidlUtils.cpp
index f09db5e..bb3a596 100644
--- a/audio/common/all-versions/default/7.0/HidlUtils.cpp
+++ b/audio/common/all-versions/default/7.0/HidlUtils.cpp
@@ -16,6 +16,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <algorithm>
 
 #define LOG_TAG "HidlUtils"
 #include <log/log.h>
@@ -281,7 +282,7 @@
                                              hidl_vec<AudioGainMode>* gainModeMask) {
     status_t status = NO_ERROR;
     std::vector<AudioGainMode> result;
-    for (uint32_t bit = 0; bit < sizeof(audio_gain_mode_t) * 8; ++bit) {
+    for (uint32_t bit = 0; halGainModeMask != 0 && bit < sizeof(audio_gain_mode_t) * 8; ++bit) {
         audio_gain_mode_t flag = static_cast<audio_gain_mode_t>(1u << bit);
         if ((flag & halGainModeMask) == flag) {
             AudioGainMode flagStr = audio_gain_mode_to_string(flag);
@@ -291,6 +292,7 @@
                 ALOGE("Unknown audio gain mode value 0x%X", flag);
                 status = BAD_VALUE;
             }
+            halGainModeMask = static_cast<audio_gain_mode_t>(halGainModeMask & ~flag);
         }
     }
     *gainModeMask = result;
@@ -858,15 +860,17 @@
     return result;
 }
 
-status_t HidlUtils::audioTagsFromHal(const char* halTags, hidl_vec<AudioTag>* tags) {
-    std::vector<std::string> strTags = utils::splitString(halTags, sAudioTagSeparator);
+status_t HidlUtils::audioTagsFromHal(const std::vector<std::string>& strTags,
+                                     hidl_vec<AudioTag>* tags) {
     status_t result = NO_ERROR;
     tags->resize(strTags.size());
     size_t to = 0;
     for (size_t from = 0; from < strTags.size(); ++from) {
-        if (xsd::isVendorExtension(strTags[from])) {
-            (*tags)[to++] = strTags[from];
+        const auto& tag = strTags[from];
+        if (xsd::isVendorExtension(tag)) {
+            (*tags)[to++] = tag;
         } else {
+            ALOGE("Vendor extension tag is ill-formed: \"%s\"", tag.c_str());
             result = BAD_VALUE;
         }
     }
@@ -889,6 +893,7 @@
             halTagsBuffer << tag;
             hasValue = true;
         } else {
+            ALOGE("Vendor extension tag is ill-formed: \"%s\"", tag.c_str());
             result = BAD_VALUE;
         }
     }
@@ -899,6 +904,31 @@
     return result;
 }
 
+hidl_vec<AudioTag> HidlUtils::filterOutNonVendorTags(const hidl_vec<AudioTag>& tags) {
+    hidl_vec<AudioTag> result;
+    result.resize(tags.size());
+    size_t resultIdx = 0;
+    for (const auto& tag : tags) {
+        if (xsd::maybeVendorExtension(tag)) {
+            result[resultIdx++] = tag;
+        }
+    }
+    if (resultIdx != result.size()) {
+        result.resize(resultIdx);
+    }
+    return result;
+}
+
+std::vector<std::string> HidlUtils::filterOutNonVendorTags(const std::vector<std::string>& tags) {
+    std::vector<std::string> result;
+    std::copy_if(tags.begin(), tags.end(), std::back_inserter(result), xsd::maybeVendorExtension);
+    return result;
+}
+
+std::vector<std::string> HidlUtils::splitAudioTags(const char* halTags) {
+    return utils::splitString(halTags, sAudioTagSeparator);
+}
+
 status_t HidlUtils::deviceAddressFromHal(audio_devices_t halDeviceType,
                                          const char* halDeviceAddress, DeviceAddress* device) {
     status_t result = NO_ERROR;
diff --git a/audio/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/HidlUtils.h
index cc4fbf2..22b7152 100644
--- a/audio/common/all-versions/default/HidlUtils.h
+++ b/audio/common/all-versions/default/HidlUtils.h
@@ -20,6 +20,8 @@
 #include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 
 #include <memory>
+#include <string>
+#include <vector>
 
 #include <system/audio.h>
 
@@ -118,8 +120,12 @@
                                            AudioStreamType* streamType);
     static status_t audioStreamTypeToHal(const AudioStreamType& streamType,
                                          audio_stream_type_t* halStreamType);
-    static status_t audioTagsFromHal(const char* halTags, hidl_vec<AudioTag>* tags);
+    static status_t audioTagsFromHal(const std::vector<std::string>& strTags,
+                                     hidl_vec<AudioTag>* tags);
     static status_t audioTagsToHal(const hidl_vec<AudioTag>& tags, char* halTags);
+    static hidl_vec<AudioTag> filterOutNonVendorTags(const hidl_vec<AudioTag>& tags);
+    static std::vector<std::string> filterOutNonVendorTags(const std::vector<std::string>& tags);
+    static std::vector<std::string> splitAudioTags(const char* halTags);
 
   private:
     static status_t audioIndexChannelMaskFromHal(audio_channel_mask_t halChannelMask,
diff --git a/audio/common/all-versions/default/UuidUtils.cpp b/audio/common/all-versions/default/UuidUtils.cpp
index 85edc7b..6c4c94d 100644
--- a/audio/common/all-versions/default/UuidUtils.cpp
+++ b/audio/common/all-versions/default/UuidUtils.cpp
@@ -42,6 +42,14 @@
     memcpy(halUuid->node, uuid.node.data(), uuid.node.size());
 }
 
+std::string UuidUtils::uuidToString(const audio_uuid_t& halUuid) {
+    char str[64];
+    snprintf(str, sizeof(str), "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", halUuid.timeLow,
+             halUuid.timeMid, halUuid.timeHiAndVersion, halUuid.clockSeq, halUuid.node[0],
+             halUuid.node[1], halUuid.node[2], halUuid.node[3], halUuid.node[4], halUuid.node[5]);
+    return str;
+}
+
 }  // namespace implementation
 }  // namespace CPP_VERSION
 }  // namespace common
diff --git a/audio/common/all-versions/default/UuidUtils.h b/audio/common/all-versions/default/UuidUtils.h
index 38db48a..cd04fb0 100644
--- a/audio/common/all-versions/default/UuidUtils.h
+++ b/audio/common/all-versions/default/UuidUtils.h
@@ -17,14 +17,14 @@
 #ifndef android_hardware_audio_Uuid_Utils_H_
 #define android_hardware_audio_Uuid_Utils_H_
 
+#include <string>
+
 // clang-format off
 #include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
 // clang-format on
 
 #include <system/audio.h>
 
-using ::android::hardware::hidl_vec;
-
 namespace android {
 namespace hardware {
 namespace audio {
@@ -38,6 +38,7 @@
   public:
     static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid);
     static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
+    static std::string uuidToString(const audio_uuid_t& halUuid);
 };
 
 }  // namespace implementation
diff --git a/audio/common/all-versions/default/service/service.cpp b/audio/common/all-versions/default/service/service.cpp
index 710ddce..bbc14ad 100644
--- a/audio/common/all-versions/default/service/service.cpp
+++ b/audio/common/all-versions/default/service/service.cpp
@@ -63,17 +63,17 @@
     const std::vector<InterfacesList> mandatoryInterfaces = {
         {
             "Audio Core API",
+            "android.hardware.audio@7.0::IDevicesFactory",
             "android.hardware.audio@6.0::IDevicesFactory",
             "android.hardware.audio@5.0::IDevicesFactory",
             "android.hardware.audio@4.0::IDevicesFactory",
-            "android.hardware.audio@2.0::IDevicesFactory"
         },
         {
             "Audio Effect API",
+            "android.hardware.audio.effect@7.0::IEffectsFactory",
             "android.hardware.audio.effect@6.0::IEffectsFactory",
             "android.hardware.audio.effect@5.0::IEffectsFactory",
             "android.hardware.audio.effect@4.0::IEffectsFactory",
-            "android.hardware.audio.effect@2.0::IEffectsFactory",
         }
     };
 
diff --git a/audio/common/all-versions/default/tests/hidlutils_tests.cpp b/audio/common/all-versions/default/tests/hidlutils_tests.cpp
index 642ece3..40fc5c8 100644
--- a/audio/common/all-versions/default/tests/hidlutils_tests.cpp
+++ b/audio/common/all-versions/default/tests/hidlutils_tests.cpp
@@ -762,9 +762,7 @@
 
 TEST(HidlUtils, ConvertOffloadInfo) {
     AudioOffloadInfo offloadInfo = {};
-    offloadInfo.base.sampleRateHz = 44100;
-    offloadInfo.base.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO);
-    offloadInfo.base.format = toString(xsd::AudioFormat::AUDIO_FORMAT_PCM_16_BIT);
+    offloadInfo.base = generateValidConfigBase(false /*isInput*/);
     offloadInfo.streamType = toString(xsd::AudioStreamType::AUDIO_STREAM_MUSIC);
     offloadInfo.bitRatePerSecond = 320;
     offloadInfo.durationMicroseconds = -1;
@@ -783,33 +781,76 @@
 
 TEST(HidlUtils, ConvertInvalidConfig) {
     AudioConfig invalid;
-    audio_config_t halInvalid = AUDIO_CONFIG_INITIALIZER;
-    halInvalid.channel_mask = kInvalidHalChannelMask;
-    halInvalid.format = kInvalidHalFormat;
-    EXPECT_EQ(BAD_VALUE, HidlUtils::audioConfigFromHal(halInvalid, false /*isInput*/, &invalid));
-    EXPECT_EQ(BAD_VALUE, HidlUtils::audioConfigFromHal(halInvalid, true /*isInput*/, &invalid));
-    invalid.base.channelMask = "random string";
-    invalid.base.format = "random string";
-    EXPECT_EQ(BAD_VALUE, HidlUtils::audioConfigToHal(invalid, &halInvalid));
+    audio_config_t halInvalidChannelMask = AUDIO_CONFIG_INITIALIZER;
+    halInvalidChannelMask.channel_mask = kInvalidHalChannelMask;
+    EXPECT_EQ(BAD_VALUE,
+              HidlUtils::audioConfigFromHal(halInvalidChannelMask, false /*isInput*/, &invalid));
+    EXPECT_EQ(BAD_VALUE,
+              HidlUtils::audioConfigFromHal(halInvalidChannelMask, true /*isInput*/, &invalid));
+    audio_config_t halInvalidFormat = AUDIO_CONFIG_INITIALIZER;
+    halInvalidFormat.format = kInvalidHalFormat;
+    EXPECT_EQ(BAD_VALUE,
+              HidlUtils::audioConfigFromHal(halInvalidFormat, false /*isInput*/, &invalid));
+    EXPECT_EQ(BAD_VALUE,
+              HidlUtils::audioConfigFromHal(halInvalidFormat, true /*isInput*/, &invalid));
+
+    AudioConfig invalidChannelMask;
+    audio_config_t halInvalid;
+    invalidChannelMask.base.channelMask = "random string";
+    invalidChannelMask.base.format = toString(xsd::AudioFormat::AUDIO_FORMAT_DEFAULT);
+    EXPECT_EQ(BAD_VALUE, HidlUtils::audioConfigToHal(invalidChannelMask, &halInvalid));
+    AudioConfig invalidFormat;
+    invalidFormat.base.format = "random string";
+    invalidFormat.base.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+    EXPECT_EQ(BAD_VALUE, HidlUtils::audioConfigToHal(invalidFormat, &halInvalid));
+}
+
+TEST(HidlUtils, ConvertConfigDefault) {
+    audio_config_t halDefault = AUDIO_CONFIG_INITIALIZER;
+    AudioConfig defaultOut, defaultIn;
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigFromHal(halDefault, false /*isInput*/, &defaultOut));
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigFromHal(halDefault, true /*isInput*/, &defaultIn));
+    EXPECT_EQ(defaultOut, defaultIn);
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigToHal(defaultOut, &halDefault));
+
+    // Note: empty channel mask and config are not valid values.
+    AudioConfig defaultCfg{};
+    defaultCfg.base.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+    defaultCfg.base.format = toString(xsd::AudioFormat::AUDIO_FORMAT_DEFAULT);
+    audio_config_t halDefaultCfg;
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigToHal(defaultCfg, &halDefaultCfg));
+    AudioConfig defaultCfgBackOut, defaultCfgBackIn;
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioConfigFromHal(halDefaultCfg, false /*isInput*/, &defaultCfgBackOut));
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioConfigFromHal(halDefaultCfg, true /*isInput*/, &defaultCfgBackIn));
+    EXPECT_EQ(defaultCfgBackOut, defaultCfgBackIn);
+    EXPECT_EQ(defaultCfg, defaultCfgBackOut);
 }
 
 TEST(HidlUtils, ConvertConfig) {
-    AudioConfig config = {};
-    config.base.sampleRateHz = 44100;
-    config.base.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO);
-    config.base.format = toString(xsd::AudioFormat::AUDIO_FORMAT_PCM_16_BIT);
-    audio_config_t halConfig;
-    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigToHal(config, &halConfig));
-    AudioConfig configBack;
-    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigFromHal(halConfig, false /*isInput*/, &configBack));
-    EXPECT_EQ(config, configBack);
+    AudioConfig configOut{};
+    configOut.base = generateValidConfigBase(false /*isInput*/);
+    audio_config_t halConfigOut;
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigToHal(configOut, &halConfigOut));
+    AudioConfig configOutBack;
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioConfigFromHal(halConfigOut, false /*isInput*/, &configOutBack));
+    EXPECT_EQ(configOut, configOutBack);
+
+    AudioConfig configIn{};
+    configIn.base = generateValidConfigBase(true /*isInput*/);
+    audio_config_t halConfigIn;
+    EXPECT_EQ(NO_ERROR, HidlUtils::audioConfigToHal(configIn, &halConfigIn));
+    AudioConfig configInBack;
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioConfigFromHal(halConfigIn, true /*isInput*/, &configInBack));
+    EXPECT_EQ(configIn, configInBack);
 }
 
 TEST(HidlUtils, ConvertConfigWithOffloadInfo) {
     AudioConfig config = {};
-    config.base.sampleRateHz = 44100;
-    config.base.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO);
-    config.base.format = toString(xsd::AudioFormat::AUDIO_FORMAT_PCM_16_BIT);
+    config.base = generateValidConfigBase(false /*isInput*/);
     config.offloadInfo.info(
             AudioOffloadInfo{.base = config.base,
                              .streamType = toString(xsd::AudioStreamType::AUDIO_STREAM_MUSIC),
@@ -952,20 +993,51 @@
     char halEmptyTags[AUDIO_ATTRIBUTES_TAGS_MAX_SIZE] = {};
     EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsToHal(emptyTags, halEmptyTags));
     hidl_vec<AudioTag> emptyTagsBack;
-    EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsFromHal(halEmptyTags, &emptyTagsBack));
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioTagsFromHal(HidlUtils::splitAudioTags(halEmptyTags), &emptyTagsBack));
     EXPECT_EQ(emptyTags, emptyTagsBack);
 
     hidl_vec<AudioTag> oneTag = {{"VX_GOOGLE_VR"}};
     char halOneTag[AUDIO_ATTRIBUTES_TAGS_MAX_SIZE] = {};
     EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsToHal(oneTag, halOneTag));
     hidl_vec<AudioTag> oneTagBack;
-    EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsFromHal(halOneTag, &oneTagBack));
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioTagsFromHal(HidlUtils::splitAudioTags(halOneTag), &oneTagBack));
     EXPECT_EQ(oneTag, oneTagBack);
 
     hidl_vec<AudioTag> twoTags = {{"VX_GOOGLE_VR_42", "VX_GOOGLE_1E100"}};
     char halTwoTags[AUDIO_ATTRIBUTES_TAGS_MAX_SIZE] = {};
     EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsToHal(twoTags, halTwoTags));
     hidl_vec<AudioTag> twoTagsBack;
-    EXPECT_EQ(NO_ERROR, HidlUtils::audioTagsFromHal(halTwoTags, &twoTagsBack));
+    EXPECT_EQ(NO_ERROR,
+              HidlUtils::audioTagsFromHal(HidlUtils::splitAudioTags(halTwoTags), &twoTagsBack));
     EXPECT_EQ(twoTags, twoTagsBack);
 }
+
+template <typename T>
+class FilterTest : public ::testing::Test {};
+using FilterTestTypeParams = ::testing::Types<hidl_vec<AudioTag>, std::vector<std::string>>;
+TYPED_TEST_SUITE(FilterTest, FilterTestTypeParams);
+
+TYPED_TEST(FilterTest, FilterOutNonVendorTags) {
+    TypeParam emptyTags;
+    EXPECT_EQ(emptyTags, HidlUtils::filterOutNonVendorTags(emptyTags));
+
+    TypeParam allVendorTags = {{"VX_GOOGLE_VR_42", "VX_GOOGLE_1E100"}};
+    EXPECT_EQ(allVendorTags, HidlUtils::filterOutNonVendorTags(allVendorTags));
+
+    TypeParam oneVendorTag = {{"", "VX_GOOGLE_VR", "random_string"}};
+    TypeParam oneVendorTagOnly = HidlUtils::filterOutNonVendorTags(oneVendorTag);
+    EXPECT_EQ(1, oneVendorTagOnly.size());
+    EXPECT_EQ(oneVendorTag[1], oneVendorTagOnly[0]);
+
+    // The vendor extension isn't valid, however it must not be filtered out
+    // so the converter can detect the issue.
+    TypeParam oneMaybeVendorTag = {{"", "random string", "VX_GOOGLE_$$"}};
+    TypeParam oneMaybeVendorTagOnly = HidlUtils::filterOutNonVendorTags(oneMaybeVendorTag);
+    EXPECT_EQ(1, oneMaybeVendorTagOnly.size());
+    EXPECT_EQ(oneMaybeVendorTag[2], oneMaybeVendorTagOnly[0]);
+
+    TypeParam noVendorTags = {{"", "random string", "V_"}};
+    EXPECT_EQ(emptyTags, HidlUtils::filterOutNonVendorTags(noVendorTags));
+}
diff --git a/audio/core/all-versions/default/Android.bp b/audio/core/all-versions/default/Android.bp
index e0f0860..dcff425 100644
--- a/audio/core/all-versions/default/Android.bp
+++ b/audio/core/all-versions/default/Android.bp
@@ -1,7 +1,6 @@
 filegroup {
     name: "android.hardware.audio-impl_srcs",
     srcs: [
-        "Conversions.cpp",
         "Device.cpp",
         "DevicesFactory.cpp",
         "ParametersUtil.cpp",
@@ -63,6 +62,7 @@
     defaults: ["android.hardware.audio-impl_default"],
     shared_libs: [
         "android.hardware.audio@2.0",
+        "android.hardware.audio@2.0-util",
         "android.hardware.audio.common@2.0",
         "android.hardware.audio.common@2.0-util",
     ],
@@ -79,6 +79,7 @@
 
     shared_libs: [
         "android.hardware.audio@4.0",
+        "android.hardware.audio@4.0-util",
         "android.hardware.audio.common@4.0",
         "android.hardware.audio.common@4.0-util",
     ],
@@ -94,6 +95,7 @@
     defaults: ["android.hardware.audio-impl_default"],
     shared_libs: [
         "android.hardware.audio@5.0",
+        "android.hardware.audio@5.0-util",
         "android.hardware.audio.common@5.0",
         "android.hardware.audio.common@5.0-util",
     ],
@@ -109,6 +111,7 @@
     defaults: ["android.hardware.audio-impl_default"],
     shared_libs: [
         "android.hardware.audio@6.0",
+        "android.hardware.audio@6.0-util",
         "android.hardware.audio.common@6.0",
         "android.hardware.audio.common@6.0-util",
     ],
@@ -129,6 +132,7 @@
     defaults: ["android.hardware.audio-impl_default"],
     shared_libs: [
         "android.hardware.audio@7.0",
+        "android.hardware.audio@7.0-util",
         "android.hardware.audio.common@7.0",
         "android.hardware.audio.common@7.0-enums",
         "android.hardware.audio.common@7.0-util",
diff --git a/audio/core/all-versions/default/Conversions.cpp b/audio/core/all-versions/default/Conversions.cpp
deleted file mode 100644
index f1752cc..0000000
--- a/audio/core/all-versions/default/Conversions.cpp
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-#include "core/default/Conversions.h"
-
-#include <stdio.h>
-
-#if MAJOR_VERSION >= 7
-#include <android_audio_policy_configuration_V7_0-enums.h>
-#endif
-#include <HidlUtils.h>
-#include <log/log.h>
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace CPP_VERSION {
-namespace implementation {
-
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
-
-#define CONVERT_CHECKED(expr, result)                   \
-    if (status_t status = (expr); status != NO_ERROR) { \
-        result = status;                                \
-    }
-
-status_t deviceAddressToHal(const DeviceAddress& device, audio_devices_t* halDeviceType,
-                            char* halDeviceAddress) {
-#if MAJOR_VERSION >= 5
-    return HidlUtils::deviceAddressToHal(device, halDeviceType, halDeviceAddress);
-#else
-    return HidlUtils::deviceAddressToHalImpl(device, halDeviceType, halDeviceAddress);
-#endif
-}
-
-status_t deviceAddressFromHal(audio_devices_t halDeviceType, const char* halDeviceAddress,
-                              DeviceAddress* device) {
-#if MAJOR_VERSION >= 5
-    return HidlUtils::deviceAddressFromHal(halDeviceType, halDeviceAddress, device);
-#else
-    return HidlUtils::deviceAddressFromHalImpl(halDeviceType, halDeviceAddress, device);
-#endif
-}
-
-#if MAJOR_VERSION >= 4
-bool halToMicrophoneCharacteristics(MicrophoneInfo* pDst,
-                                    const struct audio_microphone_characteristic_t& src) {
-    bool status = false;
-    if (pDst != NULL) {
-        pDst->deviceId = src.device_id;
-
-        if (deviceAddressFromHal(src.device, src.address, &pDst->deviceAddress) != OK) {
-            return false;
-        }
-        pDst->channelMapping.resize(AUDIO_CHANNEL_COUNT_MAX);
-        for (size_t ch = 0; ch < pDst->channelMapping.size(); ch++) {
-            pDst->channelMapping[ch] = AudioMicrophoneChannelMapping(src.channel_mapping[ch]);
-        }
-        pDst->location = AudioMicrophoneLocation(src.location);
-        pDst->group = (AudioMicrophoneGroup)src.group;
-        pDst->indexInTheGroup = (uint32_t)src.index_in_the_group;
-        pDst->sensitivity = src.sensitivity;
-        pDst->maxSpl = src.max_spl;
-        pDst->minSpl = src.min_spl;
-        pDst->directionality = AudioMicrophoneDirectionality(src.directionality);
-        pDst->frequencyResponse.resize(src.num_frequency_responses);
-        for (size_t k = 0; k < src.num_frequency_responses; k++) {
-            pDst->frequencyResponse[k].frequency = src.frequency_responses[0][k];
-            pDst->frequencyResponse[k].level = src.frequency_responses[1][k];
-        }
-        pDst->position.x = src.geometric_location.x;
-        pDst->position.y = src.geometric_location.y;
-        pDst->position.z = src.geometric_location.z;
-
-        pDst->orientation.x = src.orientation.x;
-        pDst->orientation.y = src.orientation.y;
-        pDst->orientation.z = src.orientation.z;
-
-        status = true;
-    }
-    return status;
-}
-
-status_t sinkMetadataToHal(const SinkMetadata& sinkMetadata,
-                           std::vector<record_track_metadata>* halTracks) {
-    status_t result = NO_ERROR;
-    if (halTracks != nullptr) {
-        halTracks->reserve(sinkMetadata.tracks.size());
-    }
-    for (auto& metadata : sinkMetadata.tracks) {
-        record_track_metadata halTrackMetadata{.gain = metadata.gain};
-        CONVERT_CHECKED(HidlUtils::audioSourceToHal(metadata.source, &halTrackMetadata.source),
-                        result);
-#if MAJOR_VERSION >= 5
-        if (metadata.destination.getDiscriminator() ==
-            RecordTrackMetadata::Destination::hidl_discriminator::device) {
-            CONVERT_CHECKED(
-                    deviceAddressToHal(metadata.destination.device(), &halTrackMetadata.dest_device,
-                                       halTrackMetadata.dest_device_address),
-                    result);
-        }
-#endif
-        if (halTracks != nullptr) {
-            halTracks->push_back(std::move(halTrackMetadata));
-        }
-    }
-    return result;
-}
-
-status_t sourceMetadataToHal(const SourceMetadata& sourceMetadata,
-                             std::vector<playback_track_metadata_t>* halTracks) {
-    status_t result = NO_ERROR;
-    if (halTracks != nullptr) {
-        halTracks->reserve(sourceMetadata.tracks.size());
-    }
-    for (auto& metadata : sourceMetadata.tracks) {
-        playback_track_metadata_t halTrackMetadata{.gain = metadata.gain};
-        CONVERT_CHECKED(HidlUtils::audioUsageToHal(metadata.usage, &halTrackMetadata.usage),
-                        result);
-        CONVERT_CHECKED(HidlUtils::audioContentTypeToHal(metadata.contentType,
-                                                         &halTrackMetadata.content_type),
-                        result);
-        if (halTracks != nullptr) {
-            halTracks->push_back(std::move(halTrackMetadata));
-        }
-    }
-    return result;
-}
-#endif  // MAJOR_VERSION >= 4
-
-#if MAJOR_VERSION >= 7
-namespace xsd {
-using namespace ::android::audio::policy::configuration::V7_0;
-}
-
-bool audioInputFlagsToHal(const hidl_vec<AudioInOutFlag>& flags, audio_input_flags_t* halFlags) {
-    bool success = true;
-    *halFlags = {};
-    for (const auto& flag : flags) {
-        audio_input_flags_t halFlag;
-        if (!xsd::isUnknownAudioInOutFlag(flag) &&
-            audio_input_flag_from_string(flag.c_str(), &halFlag)) {
-            *halFlags = static_cast<audio_input_flags_t>(*halFlags | halFlag);
-        } else {
-            ALOGE("Unknown audio input flag \"%s\"", flag.c_str());
-            success = false;
-        }
-    }
-    return success;
-}
-
-bool audioOutputFlagsToHal(const hidl_vec<AudioInOutFlag>& flags, audio_output_flags_t* halFlags) {
-    bool success = true;
-    *halFlags = {};
-    for (const auto& flag : flags) {
-        audio_output_flags_t halFlag;
-        if (!xsd::isUnknownAudioInOutFlag(flag) &&
-            audio_output_flag_from_string(flag.c_str(), &halFlag)) {
-            *halFlags = static_cast<audio_output_flags_t>(*halFlags | halFlag);
-        } else {
-            ALOGE("Unknown audio output flag \"%s\"", flag.c_str());
-            success = false;
-        }
-    }
-    return success;
-}
-
-status_t sinkMetadataToHalV7(const SinkMetadata& sinkMetadata,
-                             std::vector<record_track_metadata_v7_t>* halTracks) {
-    std::vector<record_track_metadata> bases;
-    status_t result = sinkMetadataToHal(sinkMetadata, halTracks != nullptr ? &bases : nullptr);
-    if (halTracks != nullptr) {
-        halTracks->reserve(bases.size());
-    }
-    auto baseIter = std::make_move_iterator(bases.begin());
-    for (auto& metadata : sinkMetadata.tracks) {
-        record_track_metadata_v7_t halTrackMetadata;
-        CONVERT_CHECKED(HidlUtils::audioChannelMaskToHal(metadata.channelMask,
-                                                         &halTrackMetadata.channel_mask),
-                        result);
-        CONVERT_CHECKED(HidlUtils::audioTagsToHal(metadata.tags, halTrackMetadata.tags), result);
-        if (halTracks != nullptr) {
-            halTrackMetadata.base = std::move(*baseIter++);
-            halTracks->push_back(std::move(halTrackMetadata));
-        }
-    }
-    return result;
-}
-
-status_t sourceMetadataToHalV7(const SourceMetadata& sourceMetadata,
-                               std::vector<playback_track_metadata_v7_t>* halTracks) {
-    std::vector<playback_track_metadata_t> bases;
-    status_t result = sourceMetadataToHal(sourceMetadata, halTracks != nullptr ? &bases : nullptr);
-    if (halTracks != nullptr) {
-        halTracks->reserve(bases.size());
-    }
-    auto baseIter = std::make_move_iterator(bases.begin());
-    for (auto& metadata : sourceMetadata.tracks) {
-        playback_track_metadata_v7_t halTrackMetadata;
-        CONVERT_CHECKED(HidlUtils::audioChannelMaskToHal(metadata.channelMask,
-                                                         &halTrackMetadata.channel_mask),
-                        result);
-        CONVERT_CHECKED(HidlUtils::audioTagsToHal(metadata.tags, halTrackMetadata.tags), result);
-        if (halTracks != nullptr) {
-            halTrackMetadata.base = std::move(*baseIter++);
-            halTracks->push_back(std::move(halTrackMetadata));
-        }
-    }
-    return result;
-}
-#endif
-
-}  // namespace implementation
-}  // namespace CPP_VERSION
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
diff --git a/audio/core/all-versions/default/Device.cpp b/audio/core/all-versions/default/Device.cpp
index 7caed44..70a1a4d 100644
--- a/audio/core/all-versions/default/Device.cpp
+++ b/audio/core/all-versions/default/Device.cpp
@@ -17,9 +17,7 @@
 #define LOG_TAG "DeviceHAL"
 
 #include "core/default/Device.h"
-#include <HidlUtils.h>
 #include "common/all-versions/default/EffectMap.h"
-#include "core/default/Conversions.h"
 #include "core/default/StreamIn.h"
 #include "core/default/StreamOut.h"
 #include "core/default/Util.h"
@@ -33,6 +31,8 @@
 
 #include <android/log.h>
 
+#include <HidlUtils.h>
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -160,11 +160,11 @@
     audio_stream_out_t* halStream;
     audio_devices_t halDevice;
     char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
-    if (deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
+    if (CoreUtils::deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
         return {Result::INVALID_ARGUMENTS, nullptr};
     }
     audio_output_flags_t halFlags;
-    if (!audioOutputFlagsToHal(flags, &halFlags)) {
+    if (CoreUtils::audioOutputFlagsToHal(flags, &halFlags) != NO_ERROR) {
         return {Result::INVALID_ARGUMENTS, nullptr};
     }
     ALOGV("open_output_stream handle: %d devices: %x flags: %#x "
@@ -195,12 +195,12 @@
     audio_stream_in_t* halStream;
     audio_devices_t halDevice;
     char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
-    if (deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
+    if (CoreUtils::deviceAddressToHal(device, &halDevice, halDeviceAddress) != NO_ERROR) {
         return {Result::INVALID_ARGUMENTS, nullptr};
     }
     audio_input_flags_t halFlags;
     audio_source_t halSource;
-    if (!audioInputFlagsToHal(flags, &halFlags) ||
+    if (CoreUtils::audioInputFlagsToHal(flags, &halFlags) != NO_ERROR ||
         HidlUtils::audioSourceToHal(source, &halSource) != NO_ERROR) {
         return {Result::INVALID_ARGUMENTS, nullptr};
     }
@@ -254,9 +254,12 @@
                                       const SourceMetadata& sourceMetadata,
                                       openOutputStream_cb _hidl_cb) {
 #if MAJOR_VERSION <= 6
-    if (status_t status = sourceMetadataToHal(sourceMetadata, nullptr); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sourceMetadataToHal(sourceMetadata, nullptr);
+        status != NO_ERROR) {
 #else
-    if (status_t status = sourceMetadataToHalV7(sourceMetadata, nullptr); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sourceMetadataToHalV7(sourceMetadata,
+                                                           false /*ignoreNonVendorTags*/, nullptr);
+        status != NO_ERROR) {
 #endif
         _hidl_cb(analyzeStatus("sourceMetadataToHal", status), nullptr, AudioConfig{});
         return Void();
@@ -288,9 +291,11 @@
         return Void();
     }
 #if MAJOR_VERSION <= 6
-    if (status_t status = sinkMetadataToHal(sinkMetadata, nullptr); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sinkMetadataToHal(sinkMetadata, nullptr); status != NO_ERROR) {
 #else
-    if (status_t status = sinkMetadataToHalV7(sinkMetadata, nullptr); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
+                                                         false /*ignoreNonVendorTags*/, nullptr);
+        status != NO_ERROR) {
 #endif
         _hidl_cb(analyzeStatus("sinkMetadataToHal", status), nullptr, AudioConfig{});
         return Void();
@@ -444,7 +449,7 @@
         mDevice->get_microphones(mDevice, &mic_array[0], &actual_mics) == 0) {
         microphones.resize(actual_mics);
         for (size_t i = 0; i < actual_mics; ++i) {
-            halToMicrophoneCharacteristics(&microphones[i], mic_array[i]);
+            (void)CoreUtils::microphoneInfoFromHal(mic_array[i], &microphones[i]);
         }
         retval = Result::OK;
     }
diff --git a/audio/core/all-versions/default/ParametersUtil.cpp b/audio/core/all-versions/default/ParametersUtil.cpp
index 694eb73..4d53645 100644
--- a/audio/core/all-versions/default/ParametersUtil.cpp
+++ b/audio/core/all-versions/default/ParametersUtil.cpp
@@ -15,11 +15,12 @@
  */
 
 #include "core/default/ParametersUtil.h"
-#include "core/default/Conversions.h"
 #include "core/default/Util.h"
 
 #include <system/audio.h>
 
+#include <util/CoreUtils.h>
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -153,7 +154,7 @@
 Result ParametersUtil::setParam(const char* name, const DeviceAddress& address) {
     audio_devices_t halDeviceType;
     char halDeviceAddress[AUDIO_DEVICE_MAX_ADDRESS_LEN];
-    if (deviceAddressToHal(address, &halDeviceType, halDeviceAddress) != NO_ERROR) {
+    if (CoreUtils::deviceAddressToHal(address, &halDeviceType, halDeviceAddress) != NO_ERROR) {
         return Result::INVALID_ARGUMENTS;
     }
     AudioParameter params{String8(halDeviceAddress)};
diff --git a/audio/core/all-versions/default/Stream.cpp b/audio/core/all-versions/default/Stream.cpp
index 3f8efd2..7e32573 100644
--- a/audio/core/all-versions/default/Stream.cpp
+++ b/audio/core/all-versions/default/Stream.cpp
@@ -19,7 +19,6 @@
 #include "core/default/Stream.h"
 #include "common/all-versions/HidlSupport.h"
 #include "common/all-versions/default/EffectMap.h"
-#include "core/default/Conversions.h"
 #include "core/default/Util.h"
 
 #include <inttypes.h>
@@ -30,6 +29,7 @@
 #include <hardware/audio_effect.h>
 #include <media/AudioContainers.h>
 #include <media/TypeConverter.h>
+#include <util/CoreUtils.h>
 
 namespace android {
 namespace hardware {
@@ -373,9 +373,10 @@
     hidl_vec<DeviceAddress> devices;
     if (retval == Result::OK) {
         devices.resize(1);
-        retval = Stream::analyzeStatus("get_devices",
-                                       deviceAddressFromHal(static_cast<audio_devices_t>(halDevice),
-                                                            nullptr, &devices[0]));
+        retval = Stream::analyzeStatus(
+                "get_devices",
+                CoreUtils::deviceAddressFromHal(static_cast<audio_devices_t>(halDevice), nullptr,
+                                                &devices[0]));
     }
     _hidl_cb(retval, devices);
     return Void();
diff --git a/audio/core/all-versions/default/StreamIn.cpp b/audio/core/all-versions/default/StreamIn.cpp
index c670a4d..599f3c3 100644
--- a/audio/core/all-versions/default/StreamIn.cpp
+++ b/audio/core/all-versions/default/StreamIn.cpp
@@ -17,7 +17,6 @@
 #define LOG_TAG "StreamInHAL"
 
 #include "core/default/StreamIn.h"
-#include "core/default/Conversions.h"
 #include "core/default/Util.h"
 #include "common/all-versions/HidlSupport.h"
 
@@ -27,6 +26,7 @@
 #include <HidlUtils.h>
 #include <android/log.h>
 #include <hardware/audio.h>
+#include <util/CoreUtils.h>
 #include <utils/Trace.h>
 #include <cmath>
 #include <memory>
@@ -481,13 +481,15 @@
 Result StreamIn::doUpdateSinkMetadata(const SinkMetadata& sinkMetadata) {
     std::vector<record_track_metadata> halTracks;
 #if MAJOR_VERSION <= 6
-    (void)sinkMetadataToHal(sinkMetadata, &halTracks);
+    (void)CoreUtils::sinkMetadataToHal(sinkMetadata, &halTracks);
 #else
     // Validate whether a conversion to V7 is possible. This is needed
     // to have a consistent behavior of the HAL regardless of the API
     // version of the legacy HAL (and also to be consistent with openInputStream).
     std::vector<record_track_metadata_v7> halTracksV7;
-    if (status_t status = sinkMetadataToHalV7(sinkMetadata, &halTracksV7); status == NO_ERROR) {
+    if (status_t status = CoreUtils::sinkMetadataToHalV7(
+                sinkMetadata, false /*ignoreNonVendorTags*/, &halTracksV7);
+        status == NO_ERROR) {
         halTracks.reserve(halTracksV7.size());
         for (auto metadata_v7 : halTracksV7) {
             halTracks.push_back(std::move(metadata_v7.base));
@@ -507,7 +509,9 @@
 #if MAJOR_VERSION >= 7
 Result StreamIn::doUpdateSinkMetadataV7(const SinkMetadata& sinkMetadata) {
     std::vector<record_track_metadata_v7> halTracks;
-    if (status_t status = sinkMetadataToHalV7(sinkMetadata, &halTracks); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
+                                                         false /*ignoreNonVendorTags*/, &halTracks);
+        status != NO_ERROR) {
         return Stream::analyzeStatus("sinkMetadataToHal", status);
     }
     const sink_metadata_v7_t halMetadata = {
@@ -553,7 +557,7 @@
         mStream->get_active_microphones(mStream, &mic_array[0], &actual_mics) == 0) {
         microphones.resize(actual_mics);
         for (size_t i = 0; i < actual_mics; ++i) {
-            halToMicrophoneCharacteristics(&microphones[i], mic_array[i]);
+            (void)CoreUtils::microphoneInfoFromHal(mic_array[i], &microphones[i]);
         }
         retval = Result::OK;
     }
diff --git a/audio/core/all-versions/default/StreamOut.cpp b/audio/core/all-versions/default/StreamOut.cpp
index 233575c..a089f6b 100644
--- a/audio/core/all-versions/default/StreamOut.cpp
+++ b/audio/core/all-versions/default/StreamOut.cpp
@@ -17,7 +17,6 @@
 #define LOG_TAG "StreamOutHAL"
 
 #include "core/default/StreamOut.h"
-#include "core/default/Conversions.h"
 #include "core/default/Util.h"
 
 //#define LOG_NDEBUG 0
@@ -30,6 +29,7 @@
 #include <HidlUtils.h>
 #include <android/log.h>
 #include <hardware/audio.h>
+#include <util/CoreUtils.h>
 #include <utils/Trace.h>
 
 namespace android {
@@ -589,13 +589,15 @@
 Result StreamOut::doUpdateSourceMetadata(const SourceMetadata& sourceMetadata) {
     std::vector<playback_track_metadata_t> halTracks;
 #if MAJOR_VERSION <= 6
-    (void)sourceMetadataToHal(sourceMetadata, &halTracks);
+    (void)CoreUtils::sourceMetadataToHal(sourceMetadata, &halTracks);
 #else
     // Validate whether a conversion to V7 is possible. This is needed
     // to have a consistent behavior of the HAL regardless of the API
     // version of the legacy HAL (and also to be consistent with openOutputStream).
     std::vector<playback_track_metadata_v7> halTracksV7;
-    if (status_t status = sourceMetadataToHalV7(sourceMetadata, &halTracksV7); status == NO_ERROR) {
+    if (status_t status = CoreUtils::sourceMetadataToHalV7(
+                sourceMetadata, false /*ignoreNonVendorTags*/, &halTracksV7);
+        status == NO_ERROR) {
         halTracks.reserve(halTracksV7.size());
         for (auto metadata_v7 : halTracksV7) {
             halTracks.push_back(std::move(metadata_v7.base));
@@ -615,7 +617,9 @@
 #if MAJOR_VERSION >= 7
 Result StreamOut::doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata) {
     std::vector<playback_track_metadata_v7> halTracks;
-    if (status_t status = sourceMetadataToHalV7(sourceMetadata, &halTracks); status != NO_ERROR) {
+    if (status_t status = CoreUtils::sourceMetadataToHalV7(
+                sourceMetadata, false /*ignoreNonVendorTags*/, &halTracks);
+        status != NO_ERROR) {
         return Stream::analyzeStatus("sourceMetadataToHal", status);
     }
     const source_metadata_v7_t halMetadata = {
diff --git a/audio/core/all-versions/default/TEST_MAPPING b/audio/core/all-versions/default/TEST_MAPPING
new file mode 100644
index 0000000..d53c97a
--- /dev/null
+++ b/audio/core/all-versions/default/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "android.hardware.audio@7.0-util_tests"
+    }
+  ]
+}
diff --git a/audio/core/all-versions/default/include/core/default/Conversions.h b/audio/core/all-versions/default/include/core/default/Conversions.h
deleted file mode 100644
index 61720d5..0000000
--- a/audio/core/all-versions/default/include/core/default/Conversions.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
-
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-
-#include <string>
-
-#include <system/audio.h>
-
-#include <VersionUtils.h>
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace CPP_VERSION {
-namespace implementation {
-
-using ::android::hardware::hidl_vec;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
-
-status_t deviceAddressToHal(const DeviceAddress& device, audio_devices_t* halDeviceType,
-                            char* halDeviceAddress);
-status_t deviceAddressFromHal(audio_devices_t halDeviceType, const char* halDeviceAddress,
-                              DeviceAddress* device);
-
-#if MAJOR_VERSION >= 4
-bool halToMicrophoneCharacteristics(MicrophoneInfo* pDst,
-                                    const struct audio_microphone_characteristic_t& src);
-status_t sinkMetadataToHal(const SinkMetadata& sinkMetadata,
-                           std::vector<record_track_metadata>* halTracks);
-status_t sourceMetadataToHal(const SourceMetadata& sourceMetadata,
-                             std::vector<playback_track_metadata_t>* halTracks);
-#endif
-
-#if MAJOR_VERSION <= 6
-using AudioInputFlags =
-        ::android::hardware::audio::common::CPP_VERSION::implementation::AudioInputFlagBitfield;
-using AudioOutputFlags =
-        ::android::hardware::audio::common::CPP_VERSION::implementation::AudioOutputFlagBitfield;
-
-inline bool audioInputFlagsToHal(AudioInputFlags flags, audio_input_flags_t* halFlags) {
-    *halFlags = static_cast<audio_input_flags_t>(flags);
-    return true;
-}
-
-inline bool audioOutputFlagsToHal(AudioOutputFlags flags, audio_output_flags_t* halFlags) {
-    *halFlags = static_cast<audio_output_flags_t>(flags);
-    return true;
-}
-#else
-bool audioInputFlagsToHal(const hidl_vec<AudioInOutFlag>& flags, audio_input_flags_t* halFlags);
-bool audioOutputFlagsToHal(const hidl_vec<AudioInOutFlag>& flags, audio_output_flags_t* halFlags);
-// Overloading isn't convenient when passing a nullptr.
-status_t sinkMetadataToHalV7(const SinkMetadata& sinkMetadata,
-                             std::vector<record_track_metadata_v7_t>* halTracks);
-status_t sourceMetadataToHalV7(const SourceMetadata& sourceMetadata,
-                               std::vector<playback_track_metadata_v7_t>* halTracks);
-#endif
-
-}  // namespace implementation
-}  // namespace CPP_VERSION
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_AUDIO_CONVERSIONS_H_
diff --git a/audio/core/all-versions/default/include/core/default/Device.h b/audio/core/all-versions/default/include/core/default/Device.h
index 2a4d226..5851fc9 100644
--- a/audio/core/all-versions/default/include/core/default/Device.h
+++ b/audio/core/all-versions/default/include/core/default/Device.h
@@ -31,6 +31,7 @@
 #include <hidl/MQDescriptor.h>
 
 #include <VersionUtils.h>
+#include <util/CoreUtils.h>
 
 namespace android {
 namespace hardware {
@@ -43,17 +44,10 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-#if MAJOR_VERSION <= 6
-using AudioInputFlags =
-        ::android::hardware::audio::common::CPP_VERSION::implementation::AudioInputFlagBitfield;
-using AudioOutputFlags =
-        ::android::hardware::audio::common::CPP_VERSION::implementation::AudioOutputFlagBitfield;
-#else
-using AudioInputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
-using AudioOutputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
-#endif
 using namespace ::android::hardware::audio::common::CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
+using AudioInputFlags = CoreUtils::AudioInputFlags;
+using AudioOutputFlags = CoreUtils::AudioOutputFlags;
 
 struct Device : public IDevice, public ParametersUtil {
     explicit Device(audio_hw_device_t* device);
diff --git a/audio/core/all-versions/default/util/Android.bp b/audio/core/all-versions/default/util/Android.bp
new file mode 100644
index 0000000..447184b
--- /dev/null
+++ b/audio/core/all-versions/default/util/Android.bp
@@ -0,0 +1,139 @@
+cc_defaults {
+    name: "android.hardware.audio-util_default",
+    defaults: ["hidl_defaults"],
+
+    vendor_available: true,
+
+    export_include_dirs: ["include"],
+
+    srcs: [
+        "CoreUtils.cpp",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+        "libhidlbase",
+        "android.hardware.audio.common-util",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.audio.common-util",
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+        "libhardware_headers",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@2.0-util",
+    defaults: ["android.hardware.audio-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@2.0",
+        "android.hardware.audio.common@2.0-util",
+        "android.hardware.audio@2.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@4.0-util",
+    defaults: ["android.hardware.audio-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio@4.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@5.0-util",
+    defaults: ["android.hardware.audio-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@5.0",
+        "android.hardware.audio.common@5.0-util",
+        "android.hardware.audio@5.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=5",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@6.0-util",
+    defaults: ["android.hardware.audio-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@6.0",
+        "android.hardware.audio.common@6.0-util",
+        "android.hardware.audio@6.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=6",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library {
+    name: "android.hardware.audio@7.0-util",
+    defaults: ["android.hardware.audio-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.0-enums",
+        "android.hardware.audio.common@7.0-util",
+        "android.hardware.audio@7.0",
+        "libbase",
+        "libxml2",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+// Note: this isn't a VTS test, but rather a unit test
+// to verify correctness of conversion utilities.
+cc_test {
+    name: "android.hardware.audio@7.0-util_tests",
+    defaults: ["android.hardware.audio-util_default"],
+
+    srcs: ["tests/coreutils_tests.cpp"],
+
+    // Use static linking to allow running in presubmit on
+    // targets that don't have HAL V7.
+    static_libs: [
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.0-enums",
+        "android.hardware.audio.common@7.0-util",
+        "android.hardware.audio@7.0",
+        "android.hardware.audio@7.0-util",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libxml2",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+
+    test_suites: ["device-tests"],
+}
diff --git a/audio/core/all-versions/default/util/CoreUtils.cpp b/audio/core/all-versions/default/util/CoreUtils.cpp
new file mode 100644
index 0000000..14f76f3
--- /dev/null
+++ b/audio/core/all-versions/default/util/CoreUtils.cpp
@@ -0,0 +1,476 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#if MAJOR_VERSION >= 7
+#include <android_audio_policy_configuration_V7_0-enums.h>
+#endif
+#include <HidlUtils.h>
+#include <log/log.h>
+
+#include "util/CoreUtils.h"
+
+using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+#if MAJOR_VERSION >= 7
+namespace xsd {
+using namespace ::android::audio::policy::configuration::V7_0;
+}
+#endif
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace CPP_VERSION {
+namespace implementation {
+
+#define CONVERT_CHECKED(expr, result)                   \
+    if (status_t status = (expr); status != NO_ERROR) { \
+        result = status;                                \
+    }
+
+status_t CoreUtils::deviceAddressToHal(const DeviceAddress& device, audio_devices_t* halDeviceType,
+                                       char* halDeviceAddress) {
+#if MAJOR_VERSION >= 5
+    return HidlUtils::deviceAddressToHal(device, halDeviceType, halDeviceAddress);
+#else
+    return HidlUtils::deviceAddressToHalImpl(device, halDeviceType, halDeviceAddress);
+#endif
+}
+
+status_t CoreUtils::deviceAddressFromHal(audio_devices_t halDeviceType,
+                                         const char* halDeviceAddress, DeviceAddress* device) {
+#if MAJOR_VERSION >= 5
+    return HidlUtils::deviceAddressFromHal(halDeviceType, halDeviceAddress, device);
+#else
+    return HidlUtils::deviceAddressFromHalImpl(halDeviceType, halDeviceAddress, device);
+#endif
+}
+
+#if MAJOR_VERSION >= 4
+status_t CoreUtils::microphoneInfoFromHal(
+        const struct audio_microphone_characteristic_t& halMicInfo, MicrophoneInfo* micInfo) {
+    status_t result = NO_ERROR;
+    micInfo->deviceId = halMicInfo.device_id;
+    CONVERT_CHECKED(
+            deviceAddressFromHal(halMicInfo.device, halMicInfo.address, &micInfo->deviceAddress),
+            result);
+    size_t chCount;
+    for (chCount = 0; chCount < AUDIO_CHANNEL_COUNT_MAX; ++chCount) {
+        if (halMicInfo.channel_mapping[chCount] == AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED) {
+            break;
+        }
+    }
+    micInfo->channelMapping.resize(chCount);
+    for (size_t ch = 0; ch < micInfo->channelMapping.size(); ch++) {
+        micInfo->channelMapping[ch] = AudioMicrophoneChannelMapping(halMicInfo.channel_mapping[ch]);
+    }
+    micInfo->location = AudioMicrophoneLocation(halMicInfo.location);
+    micInfo->group = AudioMicrophoneGroup(halMicInfo.group);
+    micInfo->indexInTheGroup = static_cast<uint32_t>(halMicInfo.index_in_the_group);
+    micInfo->sensitivity = halMicInfo.sensitivity;
+    micInfo->maxSpl = halMicInfo.max_spl;
+    micInfo->minSpl = halMicInfo.min_spl;
+    micInfo->directionality = AudioMicrophoneDirectionality(halMicInfo.directionality);
+    micInfo->frequencyResponse.resize(halMicInfo.num_frequency_responses);
+    for (size_t k = 0; k < halMicInfo.num_frequency_responses; k++) {
+        micInfo->frequencyResponse[k].frequency = halMicInfo.frequency_responses[0][k];
+        micInfo->frequencyResponse[k].level = halMicInfo.frequency_responses[1][k];
+    }
+    micInfo->position.x = halMicInfo.geometric_location.x;
+    micInfo->position.y = halMicInfo.geometric_location.y;
+    micInfo->position.z = halMicInfo.geometric_location.z;
+    micInfo->orientation.x = halMicInfo.orientation.x;
+    micInfo->orientation.y = halMicInfo.orientation.y;
+    micInfo->orientation.z = halMicInfo.orientation.z;
+    return result;
+}
+
+status_t CoreUtils::microphoneInfoToHal(const MicrophoneInfo& micInfo,
+                                        audio_microphone_characteristic_t* halMicInfo) {
+    status_t result = NO_ERROR;
+    strncpy(halMicInfo->device_id, micInfo.deviceId.c_str(), AUDIO_MICROPHONE_ID_MAX_LEN);
+    halMicInfo->device_id[AUDIO_MICROPHONE_ID_MAX_LEN - 1] = '\0';
+    if (micInfo.deviceId.size() >= AUDIO_MICROPHONE_ID_MAX_LEN) {
+        ALOGE("HIDL MicrophoneInfo device ID is too long: %zu", micInfo.deviceId.size());
+        result = BAD_VALUE;
+    }
+    CONVERT_CHECKED(
+            deviceAddressToHal(micInfo.deviceAddress, &halMicInfo->device, halMicInfo->address),
+            result);
+    if (micInfo.channelMapping.size() > AUDIO_CHANNEL_COUNT_MAX) {
+        ALOGE("HIDL MicrophoneInfo has too many channelMapping elements: %zu",
+              micInfo.channelMapping.size());
+        result = BAD_VALUE;
+    }
+    size_t ch;
+    for (ch = 0; ch < micInfo.channelMapping.size() && ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+        halMicInfo->channel_mapping[ch] =
+                static_cast<audio_microphone_channel_mapping_t>(micInfo.channelMapping[ch]);
+    }
+    for (; ch < AUDIO_CHANNEL_COUNT_MAX; ch++) {
+        halMicInfo->channel_mapping[ch] = AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED;
+    }
+    halMicInfo->location = static_cast<audio_microphone_location_t>(micInfo.location);
+    halMicInfo->group = static_cast<audio_microphone_group_t>(micInfo.group);
+    halMicInfo->index_in_the_group = static_cast<unsigned int>(micInfo.indexInTheGroup);
+    halMicInfo->sensitivity = micInfo.sensitivity;
+    halMicInfo->max_spl = micInfo.maxSpl;
+    halMicInfo->min_spl = micInfo.minSpl;
+    halMicInfo->directionality =
+            static_cast<audio_microphone_directionality_t>(micInfo.directionality);
+    halMicInfo->num_frequency_responses =
+            static_cast<unsigned int>(micInfo.frequencyResponse.size());
+    if (halMicInfo->num_frequency_responses > AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES) {
+        ALOGE("HIDL MicrophoneInfo has too many frequency responses: %u",
+              halMicInfo->num_frequency_responses);
+        halMicInfo->num_frequency_responses = AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES;
+        result = BAD_VALUE;
+    }
+    for (size_t k = 0; k < halMicInfo->num_frequency_responses; k++) {
+        halMicInfo->frequency_responses[0][k] = micInfo.frequencyResponse[k].frequency;
+        halMicInfo->frequency_responses[1][k] = micInfo.frequencyResponse[k].level;
+    }
+    halMicInfo->geometric_location.x = micInfo.position.x;
+    halMicInfo->geometric_location.y = micInfo.position.y;
+    halMicInfo->geometric_location.z = micInfo.position.z;
+    halMicInfo->orientation.x = micInfo.orientation.x;
+    halMicInfo->orientation.y = micInfo.orientation.y;
+    halMicInfo->orientation.z = micInfo.orientation.z;
+    return result;
+}
+
+status_t CoreUtils::sinkMetadataFromHal(const std::vector<record_track_metadata_t>& halTracks,
+                                        SinkMetadata* sinkMetadata) {
+    status_t result = NO_ERROR;
+    sinkMetadata->tracks.resize(halTracks.size());
+    for (size_t i = 0; i < sinkMetadata->tracks.size(); ++i) {
+        const auto& halTrackMetadata = halTracks[i];
+        RecordTrackMetadata trackMetadata{};
+        CONVERT_CHECKED(
+                HidlUtils::audioSourceFromHal(halTrackMetadata.source, &trackMetadata.source),
+                result);
+        trackMetadata.gain = halTrackMetadata.gain;
+#if MAJOR_VERSION >= 5
+        if (halTrackMetadata.dest_device != AUDIO_DEVICE_NONE) {
+            DeviceAddress address;
+            if (status_t status =
+                        deviceAddressFromHal(halTrackMetadata.dest_device,
+                                             halTrackMetadata.dest_device_address, &address);
+                status == NO_ERROR) {
+                trackMetadata.destination.device(std::move(address));
+            } else {
+                result = status;
+            }
+        }
+#if MAJOR_VERSION >= 7
+        trackMetadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+#endif
+#endif  // MAJOR_VERSION >= 5
+        sinkMetadata->tracks[i] = std::move(trackMetadata);
+    }
+    return result;
+}
+
+status_t CoreUtils::sinkMetadataFromHalV7(const std::vector<record_track_metadata_v7_t>& halTracks,
+                                          bool ignoreNonVendorTags, SinkMetadata* sinkMetadata) {
+    std::vector<record_track_metadata_t> bases;
+    bases.reserve(halTracks.size());
+    std::transform(halTracks.begin(), halTracks.end(), std::back_inserter(bases),
+                   [](const record_track_metadata_v7_t& src) -> record_track_metadata_t {
+                       record_track_metadata_t result;
+                       record_track_metadata_from_v7(&result, &src);
+                       return result;
+                   });
+    status_t result = sinkMetadataFromHal(bases, sinkMetadata);
+#if MAJOR_VERSION >= 7
+    for (size_t i = 0; i < halTracks.size(); ++i) {
+        auto& trackMetadata = sinkMetadata->tracks[i];
+        const auto& halTrackMetadata = halTracks[i];
+        CONVERT_CHECKED(
+                HidlUtils::audioChannelMaskFromHal(halTrackMetadata.channel_mask, true /*isInput*/,
+                                                   &trackMetadata.channelMask),
+                result);
+        std::vector<std::string> strTags = HidlUtils::splitAudioTags(halTrackMetadata.tags);
+        if (ignoreNonVendorTags) {
+            strTags = HidlUtils::filterOutNonVendorTags(strTags);
+        }
+        CONVERT_CHECKED(HidlUtils::audioTagsFromHal(strTags, &trackMetadata.tags), result);
+    }
+#else
+    (void)ignoreNonVendorTags;
+#endif
+    return result;
+}
+
+status_t CoreUtils::sinkMetadataToHal(const SinkMetadata& sinkMetadata,
+                                      std::vector<record_track_metadata_t>* halTracks) {
+    status_t result = NO_ERROR;
+    if (halTracks != nullptr) {
+        halTracks->reserve(sinkMetadata.tracks.size());
+    }
+    for (auto& trackMetadata : sinkMetadata.tracks) {
+        record_track_metadata halTrackMetadata{.gain = trackMetadata.gain};
+        CONVERT_CHECKED(HidlUtils::audioSourceToHal(trackMetadata.source, &halTrackMetadata.source),
+                        result);
+#if MAJOR_VERSION >= 5
+        if (trackMetadata.destination.getDiscriminator() ==
+            RecordTrackMetadata::Destination::hidl_discriminator::device) {
+            CONVERT_CHECKED(deviceAddressToHal(trackMetadata.destination.device(),
+                                               &halTrackMetadata.dest_device,
+                                               halTrackMetadata.dest_device_address),
+                            result);
+        }
+#endif
+        if (halTracks != nullptr) {
+            halTracks->push_back(std::move(halTrackMetadata));
+        }
+    }
+    return result;
+}
+
+status_t CoreUtils::sinkMetadataToHalV7(const SinkMetadata& sinkMetadata, bool ignoreNonVendorTags,
+                                        std::vector<record_track_metadata_v7_t>* halTracks) {
+    std::vector<record_track_metadata> bases;
+    status_t result = sinkMetadataToHal(sinkMetadata, halTracks != nullptr ? &bases : nullptr);
+    if (halTracks != nullptr) {
+        halTracks->reserve(sinkMetadata.tracks.size());
+    }
+    for (size_t i = 0; i < sinkMetadata.tracks.size(); ++i) {
+        record_track_metadata_v7_t halTrackMetadata;
+        if (halTracks != nullptr) {
+            record_track_metadata_to_v7(&halTrackMetadata, &bases[i]);
+        }
+#if MAJOR_VERSION >= 7
+        const auto& trackMetadata = sinkMetadata.tracks[i];
+        CONVERT_CHECKED(HidlUtils::audioChannelMaskToHal(trackMetadata.channelMask,
+                                                         &halTrackMetadata.channel_mask),
+                        result);
+        if (ignoreNonVendorTags) {
+            CONVERT_CHECKED(
+                    HidlUtils::audioTagsToHal(HidlUtils::filterOutNonVendorTags(trackMetadata.tags),
+                                              halTrackMetadata.tags),
+                    result);
+        } else {
+            CONVERT_CHECKED(HidlUtils::audioTagsToHal(trackMetadata.tags, halTrackMetadata.tags),
+                            result);
+        }
+#else
+        (void)ignoreNonVendorTags;
+#endif
+        if (halTracks != nullptr) {
+            halTracks->push_back(std::move(halTrackMetadata));
+        }
+    }
+    return result;
+}
+
+status_t CoreUtils::sourceMetadataFromHal(const std::vector<playback_track_metadata_t>& halTracks,
+                                          SourceMetadata* sourceMetadata) {
+    status_t result = NO_ERROR;
+    sourceMetadata->tracks.resize(halTracks.size());
+    for (size_t i = 0; i < sourceMetadata->tracks.size(); ++i) {
+        const auto& halTrackMetadata = halTracks[i];
+        PlaybackTrackMetadata trackMetadata{};
+        CONVERT_CHECKED(HidlUtils::audioUsageFromHal(halTrackMetadata.usage, &trackMetadata.usage),
+                        result);
+        CONVERT_CHECKED(HidlUtils::audioContentTypeFromHal(halTrackMetadata.content_type,
+                                                           &trackMetadata.contentType),
+                        result);
+        trackMetadata.gain = halTrackMetadata.gain;
+#if MAJOR_VERSION >= 7
+        trackMetadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+#endif
+        sourceMetadata->tracks[i] = std::move(trackMetadata);
+    }
+    return result;
+}
+
+status_t CoreUtils::sourceMetadataFromHalV7(
+        const std::vector<playback_track_metadata_v7_t>& halTracks, bool ignoreNonVendorTags,
+        SourceMetadata* sourceMetadata) {
+    std::vector<playback_track_metadata_t> bases;
+    bases.reserve(halTracks.size());
+    std::transform(halTracks.begin(), halTracks.end(), std::back_inserter(bases),
+                   [](const playback_track_metadata_v7_t& src) -> playback_track_metadata_t {
+                       playback_track_metadata_t result;
+                       playback_track_metadata_from_v7(&result, &src);
+                       return result;
+                   });
+    status_t result = sourceMetadataFromHal(bases, sourceMetadata);
+#if MAJOR_VERSION >= 7
+    for (size_t i = 0; i < halTracks.size(); ++i) {
+        auto& trackMetadata = sourceMetadata->tracks[i];
+        const auto& halTrackMetadata = halTracks[i];
+        CONVERT_CHECKED(
+                HidlUtils::audioChannelMaskFromHal(halTrackMetadata.channel_mask, false /*isInput*/,
+                                                   &trackMetadata.channelMask),
+                result);
+        std::vector<std::string> strTags = HidlUtils::splitAudioTags(halTrackMetadata.tags);
+        if (ignoreNonVendorTags) {
+            strTags = HidlUtils::filterOutNonVendorTags(strTags);
+        }
+        CONVERT_CHECKED(HidlUtils::audioTagsFromHal(strTags, &trackMetadata.tags), result);
+    }
+#else
+    (void)ignoreNonVendorTags;
+#endif
+    return result;
+}
+
+status_t CoreUtils::sourceMetadataToHal(const SourceMetadata& sourceMetadata,
+                                        std::vector<playback_track_metadata_t>* halTracks) {
+    status_t result = NO_ERROR;
+    if (halTracks != nullptr) {
+        halTracks->reserve(sourceMetadata.tracks.size());
+    }
+    for (auto& trackMetadata : sourceMetadata.tracks) {
+        playback_track_metadata_t halTrackMetadata{.gain = trackMetadata.gain};
+        CONVERT_CHECKED(HidlUtils::audioUsageToHal(trackMetadata.usage, &halTrackMetadata.usage),
+                        result);
+        CONVERT_CHECKED(HidlUtils::audioContentTypeToHal(trackMetadata.contentType,
+                                                         &halTrackMetadata.content_type),
+                        result);
+        if (halTracks != nullptr) {
+            halTracks->push_back(std::move(halTrackMetadata));
+        }
+    }
+    return result;
+}
+
+status_t CoreUtils::sourceMetadataToHalV7(const SourceMetadata& sourceMetadata,
+                                          bool ignoreNonVendorTags,
+                                          std::vector<playback_track_metadata_v7_t>* halTracks) {
+    std::vector<playback_track_metadata_t> bases;
+    status_t result = sourceMetadataToHal(sourceMetadata, halTracks != nullptr ? &bases : nullptr);
+    if (halTracks != nullptr) {
+        halTracks->reserve(sourceMetadata.tracks.size());
+    }
+    for (size_t i = 0; i < sourceMetadata.tracks.size(); ++i) {
+        playback_track_metadata_v7_t halTrackMetadata;
+        if (halTracks != nullptr) {
+            playback_track_metadata_to_v7(&halTrackMetadata, &bases[i]);
+        }
+#if MAJOR_VERSION >= 7
+        const auto& trackMetadata = sourceMetadata.tracks[i];
+        CONVERT_CHECKED(HidlUtils::audioChannelMaskToHal(trackMetadata.channelMask,
+                                                         &halTrackMetadata.channel_mask),
+                        result);
+        if (ignoreNonVendorTags) {
+            CONVERT_CHECKED(
+                    HidlUtils::audioTagsToHal(HidlUtils::filterOutNonVendorTags(trackMetadata.tags),
+                                              halTrackMetadata.tags),
+                    result);
+        } else {
+            CONVERT_CHECKED(HidlUtils::audioTagsToHal(trackMetadata.tags, halTrackMetadata.tags),
+                            result);
+        }
+#else
+        (void)ignoreNonVendorTags;
+#endif
+        if (halTracks != nullptr) {
+            halTracks->push_back(std::move(halTrackMetadata));
+        }
+    }
+    return result;
+}
+#endif  // MAJOR_VERSION >= 4
+
+#if MAJOR_VERSION >= 7
+namespace xsd {
+using namespace ::android::audio::policy::configuration::V7_0;
+}
+
+status_t CoreUtils::audioInputFlagsFromHal(audio_input_flags_t halFlagMask,
+                                           AudioInputFlags* flags) {
+    status_t status = NO_ERROR;
+    std::vector<AudioInOutFlag> result;
+    for (uint32_t bit = 0; halFlagMask != 0 && bit < sizeof(audio_input_flags_t) * 8; ++bit) {
+        audio_input_flags_t flag = static_cast<audio_input_flags_t>(1u << bit);
+        if ((flag & halFlagMask) == flag) {
+            AudioInOutFlag flagStr = audio_input_flag_to_string(flag);
+            if (!flagStr.empty() && !xsd::isUnknownAudioInOutFlag(flagStr)) {
+                result.push_back(flagStr);
+            } else {
+                ALOGE("Unknown audio input flag value 0x%X", flag);
+                status = BAD_VALUE;
+            }
+            halFlagMask = static_cast<audio_input_flags_t>(halFlagMask & ~flag);
+        }
+    }
+    *flags = result;
+    return status;
+}
+
+status_t CoreUtils::audioInputFlagsToHal(const AudioInputFlags& flags,
+                                         audio_input_flags_t* halFlagMask) {
+    status_t status = NO_ERROR;
+    *halFlagMask = {};
+    for (const auto& flag : flags) {
+        audio_input_flags_t halFlag;
+        if (!xsd::isUnknownAudioInOutFlag(flag) &&
+            audio_input_flag_from_string(flag.c_str(), &halFlag)) {
+            *halFlagMask = static_cast<audio_input_flags_t>(*halFlagMask | halFlag);
+        } else {
+            ALOGE("Unknown audio input flag \"%s\"", flag.c_str());
+            status = BAD_VALUE;
+        }
+    }
+    return status;
+}
+
+status_t CoreUtils::audioOutputFlagsFromHal(audio_output_flags_t halFlagMask,
+                                            AudioOutputFlags* flags) {
+    status_t status = NO_ERROR;
+    std::vector<AudioInOutFlag> result;
+    for (uint32_t bit = 0; halFlagMask != 0 && bit < sizeof(audio_output_flags_t) * 8; ++bit) {
+        audio_output_flags_t flag = static_cast<audio_output_flags_t>(1u << bit);
+        if ((flag & halFlagMask) == flag) {
+            AudioInOutFlag flagStr = audio_output_flag_to_string(flag);
+            if (!flagStr.empty() && !xsd::isUnknownAudioInOutFlag(flagStr)) {
+                result.push_back(flagStr);
+            } else {
+                ALOGE("Unknown audio output flag value 0x%X", flag);
+                status = BAD_VALUE;
+            }
+            halFlagMask = static_cast<audio_output_flags_t>(halFlagMask & ~flag);
+        }
+    }
+    *flags = result;
+    return status;
+}
+
+status_t CoreUtils::audioOutputFlagsToHal(const AudioOutputFlags& flags,
+                                          audio_output_flags_t* halFlagMask) {
+    status_t status = NO_ERROR;
+    *halFlagMask = {};
+    for (const auto& flag : flags) {
+        audio_output_flags_t halFlag;
+        if (!xsd::isUnknownAudioInOutFlag(flag) &&
+            audio_output_flag_from_string(flag.c_str(), &halFlag)) {
+            *halFlagMask = static_cast<audio_output_flags_t>(*halFlagMask | halFlag);
+        } else {
+            ALOGE("Unknown audio output flag \"%s\"", flag.c_str());
+            status = BAD_VALUE;
+        }
+    }
+    return status;
+}
+#endif
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
diff --git a/audio/core/all-versions/default/util/include/util/CoreUtils.h b/audio/core/all-versions/default/util/include/util/CoreUtils.h
new file mode 100644
index 0000000..1e5272a
--- /dev/null
+++ b/audio/core/all-versions/default/util/include/util/CoreUtils.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#pragma once
+
+// clang-format off
+#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+// clang-format off
+
+#include <vector>
+
+#include <system/audio.h>
+
+#include <common/all-versions/VersionUtils.h>
+#include <VersionUtils.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace CPP_VERSION {
+namespace implementation {
+
+using ::android::hardware::audio::common::utils::EnumBitfield;
+using ::android::hardware::hidl_vec;
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::CPP_VERSION;
+
+struct CoreUtils {
+    // Note: the converters for DeviceAddress have to be in CoreUtils for HAL V4
+    // because DeviceAddress used to be defined in the core HAL. For V5 and above
+    // these functions simply delegate to HidlUtils.
+    static status_t deviceAddressToHal(const DeviceAddress& device, audio_devices_t* halDeviceType,
+            char* halDeviceAddress);
+    static status_t deviceAddressFromHal(audio_devices_t halDeviceType, const char* halDeviceAddress,
+            DeviceAddress* device);
+#if MAJOR_VERSION >= 4
+    static status_t microphoneInfoFromHal(const struct audio_microphone_characteristic_t& halMicInfo,
+            MicrophoneInfo* micInfo);
+    static status_t microphoneInfoToHal(const MicrophoneInfo& micInfo, audio_microphone_characteristic_t* halMicInfo);
+    // Note: {Sink|Source}Metadata types are defined in 'common' (since V5), so they can be used
+    // by the BT HAL. However, the converters are defined here, not in HidlUtils to avoid adding
+    // conditionals to handle V4. The converters are only used by 'core' HAL anyways.
+    static status_t sinkMetadataFromHal(const std::vector<record_track_metadata_t>& halTracks,
+            SinkMetadata* sinkMetadata);
+    static status_t sinkMetadataFromHalV7(const std::vector<record_track_metadata_v7_t>& halTracks,
+            bool ignoreNonVendorTags, SinkMetadata* sinkMetadata);
+    static status_t sinkMetadataToHal(const SinkMetadata& sinkMetadata,
+            std::vector<record_track_metadata_t>* halTracks);
+    static status_t sinkMetadataToHalV7(const SinkMetadata& sinkMetadata, bool ignoreNonVendorTags,
+            std::vector<record_track_metadata_v7_t>* halTracks);
+    static status_t sourceMetadataFromHal(const std::vector<playback_track_metadata_t>& halTracks,
+            SourceMetadata* sourceMetadata);
+    static status_t sourceMetadataFromHalV7(const std::vector<playback_track_metadata_v7_t>& halTracks,
+            bool ignoreNonVendorTags, SourceMetadata* sourceMetadata);
+    static status_t sourceMetadataToHal(const SourceMetadata& sourceMetadata,
+            std::vector<playback_track_metadata_t>* halTracks);
+    static status_t sourceMetadataToHalV7(const SourceMetadata& sourceMetadata, bool ignoreNonVendorTags,
+            std::vector<playback_track_metadata_v7_t>* halTracks);
+#endif
+
+#if MAJOR_VERSION <= 6
+    using AudioInputFlags =
+            ::android::hardware::audio::common::CPP_VERSION::implementation::AudioInputFlagBitfield;
+    using AudioOutputFlags =
+            ::android::hardware::audio::common::CPP_VERSION::implementation::AudioOutputFlagBitfield;
+    static inline status_t audioInputFlagsFromHal(audio_input_flags_t halFlagMask, AudioInputFlags* flags) {
+        *flags = EnumBitfield<AudioInputFlag>(halFlagMask);
+        return NO_ERROR;
+    }
+    static inline status_t audioInputFlagsToHal(AudioInputFlags flags, audio_input_flags_t* halFlagMask) {
+        *halFlagMask = static_cast<audio_input_flags_t>(flags);
+        return NO_ERROR;
+    }
+    static inline status_t audioOutputFlagsFromHal(audio_output_flags_t halFlagMask, AudioOutputFlags* flags) {
+        *flags = EnumBitfield<AudioOutputFlag>(halFlagMask);
+        return NO_ERROR;
+    }
+    static inline status_t audioOutputFlagsToHal(AudioOutputFlags flags, audio_output_flags_t* halFlagMask) {
+        *halFlagMask = static_cast<audio_output_flags_t>(flags);
+        return NO_ERROR;
+    }
+#else
+    using AudioInputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
+    using AudioOutputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
+    static status_t audioInputFlagsFromHal(audio_input_flags_t halFlagMask, AudioInputFlags* flags);
+    static status_t audioInputFlagsToHal(const AudioInputFlags& flags, audio_input_flags_t* halFlagMask);
+    static status_t audioOutputFlagsFromHal(audio_output_flags_t halFlagMask, AudioOutputFlags* flags);
+    static status_t audioOutputFlagsToHal(const AudioOutputFlags& flags, audio_output_flags_t* halFlagMask);
+#endif
+
+};
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
diff --git a/audio/core/all-versions/default/util/tests/coreutils_tests.cpp b/audio/core/all-versions/default/util/tests/coreutils_tests.cpp
new file mode 100644
index 0000000..0c18482
--- /dev/null
+++ b/audio/core/all-versions/default/util/tests/coreutils_tests.cpp
@@ -0,0 +1,525 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <string>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#define LOG_TAG "CoreUtils_Test"
+#include <log/log.h>
+
+#include <android_audio_policy_configuration_V7_0-enums.h>
+#include <system/audio.h>
+#include <util/CoreUtils.h>
+#include <xsdc/XsdcSupport.h>
+
+using namespace android;
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::CPP_VERSION;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::audio::CPP_VERSION::implementation::CoreUtils;
+namespace xsd {
+using namespace ::android::audio::policy::configuration::V7_0;
+}
+
+static constexpr audio_channel_mask_t kInvalidHalChannelMask = AUDIO_CHANNEL_INVALID;
+static constexpr audio_content_type_t kInvalidHalContentType =
+        static_cast<audio_content_type_t>(0xFFFFFFFFU);
+static constexpr audio_devices_t kInvalidHalDevice = static_cast<audio_devices_t>(0xFFFFFFFFU);
+static constexpr audio_input_flags_t kInvalidInputFlags =
+        static_cast<audio_input_flags_t>(0xFFFFFFFFU);
+static constexpr audio_output_flags_t kInvalidOutputFlags =
+        static_cast<audio_output_flags_t>(0xFFFFFFFFU);
+// AUDIO_SOURCE_INVALID is framework-only.
+static constexpr audio_source_t kInvalidHalSource = static_cast<audio_source_t>(-1);
+static constexpr audio_usage_t kInvalidHalUsage = static_cast<audio_usage_t>(0xFFFFFFFFU);
+
+static bool isInputFlag(xsd::AudioInOutFlag flag) {
+    return toString(flag).find("_INPUT_FLAG_") != std::string::npos;
+}
+
+static bool isOutputFlag(xsd::AudioInOutFlag flag) {
+    return toString(flag).find("_OUTPUT_FLAG_") != std::string::npos;
+}
+
+TEST(CoreUtils, ConvertInvalidInputFlagMask) {
+    CoreUtils::AudioInputFlags invalid;
+    EXPECT_EQ(BAD_VALUE, CoreUtils::audioInputFlagsFromHal(kInvalidInputFlags, &invalid));
+    audio_input_flags_t halInvalid;
+    invalid.resize(1);
+    invalid[0] = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::audioInputFlagsToHal(invalid, &halInvalid));
+}
+
+TEST(CoreUtils, ConvertInputFlagMask) {
+    CoreUtils::AudioInputFlags emptyInputFlags;
+    audio_input_flags_t halEmptyInputFlags;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioInputFlagsToHal(emptyInputFlags, &halEmptyInputFlags));
+    EXPECT_EQ(AUDIO_INPUT_FLAG_NONE, halEmptyInputFlags);
+    CoreUtils::AudioInputFlags emptyInputFlagsBack;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::audioInputFlagsFromHal(halEmptyInputFlags, &emptyInputFlagsBack));
+    EXPECT_EQ(emptyInputFlags, emptyInputFlagsBack);
+    CoreUtils::AudioInputFlags emptyInputFlagsFromNone;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::audioInputFlagsFromHal(AUDIO_INPUT_FLAG_NONE, &emptyInputFlagsFromNone));
+    EXPECT_EQ(emptyInputFlags, emptyInputFlagsFromNone);
+
+    std::vector<std::string> allEnumValues;
+    for (const auto enumVal : xsdc_enum_range<xsd::AudioInOutFlag>{}) {
+        if (isInputFlag(enumVal)) {
+            allEnumValues.push_back(toString(enumVal));
+        }
+    }
+    CoreUtils::AudioInputFlags allInputFlags;
+    allInputFlags.resize(allEnumValues.size());
+    for (size_t i = 0; i < allEnumValues.size(); ++i) {
+        allInputFlags[i] = allEnumValues[i];
+    }
+    audio_input_flags_t halAllInputFlags;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioInputFlagsToHal(allInputFlags, &halAllInputFlags));
+    CoreUtils::AudioInputFlags allInputFlagsBack;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioInputFlagsFromHal(halAllInputFlags, &allInputFlagsBack));
+    EXPECT_EQ(allInputFlags, allInputFlagsBack);
+}
+
+TEST(CoreUtils, ConvertInvalidOutputFlagMask) {
+    CoreUtils::AudioOutputFlags invalid;
+    EXPECT_EQ(BAD_VALUE, CoreUtils::audioOutputFlagsFromHal(kInvalidOutputFlags, &invalid));
+    audio_output_flags_t halInvalid;
+    invalid.resize(1);
+    invalid[0] = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::audioOutputFlagsToHal(invalid, &halInvalid));
+}
+
+TEST(CoreUtils, ConvertOutputFlagMask) {
+    CoreUtils::AudioOutputFlags emptyOutputFlags;
+    audio_output_flags_t halEmptyOutputFlags;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioOutputFlagsToHal(emptyOutputFlags, &halEmptyOutputFlags));
+    EXPECT_EQ(AUDIO_OUTPUT_FLAG_NONE, halEmptyOutputFlags);
+    CoreUtils::AudioOutputFlags emptyOutputFlagsBack;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::audioOutputFlagsFromHal(halEmptyOutputFlags, &emptyOutputFlagsBack));
+    EXPECT_EQ(emptyOutputFlags, emptyOutputFlagsBack);
+    CoreUtils::AudioOutputFlags emptyOutputFlagsFromNone;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioOutputFlagsFromHal(AUDIO_OUTPUT_FLAG_NONE,
+                                                           &emptyOutputFlagsFromNone));
+    EXPECT_EQ(emptyOutputFlags, emptyOutputFlagsFromNone);
+
+    std::vector<std::string> allEnumValues;
+    for (const auto enumVal : xsdc_enum_range<xsd::AudioInOutFlag>{}) {
+        if (isOutputFlag(enumVal)) {
+            allEnumValues.push_back(toString(enumVal));
+        }
+    }
+    CoreUtils::AudioOutputFlags allOutputFlags;
+    allOutputFlags.resize(allEnumValues.size());
+    for (size_t i = 0; i < allEnumValues.size(); ++i) {
+        allOutputFlags[i] = allEnumValues[i];
+    }
+    audio_output_flags_t halAllOutputFlags;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioOutputFlagsToHal(allOutputFlags, &halAllOutputFlags));
+    CoreUtils::AudioOutputFlags allOutputFlagsBack;
+    EXPECT_EQ(NO_ERROR, CoreUtils::audioOutputFlagsFromHal(halAllOutputFlags, &allOutputFlagsBack));
+    EXPECT_EQ(allOutputFlags, allOutputFlagsBack);
+}
+
+static MicrophoneInfo generateValidMicrophoneInfo() {
+    MicrophoneInfo micInfo{};
+    micInfo.deviceAddress.deviceType = toString(xsd::AudioDevice::AUDIO_DEVICE_IN_BUILTIN_MIC);
+    micInfo.channelMapping.resize(1);
+    micInfo.channelMapping[0] = AudioMicrophoneChannelMapping::DIRECT;
+    micInfo.location = AudioMicrophoneLocation::MAINBODY_MOVABLE;
+    micInfo.group = 42;
+    micInfo.indexInTheGroup = 13;
+    micInfo.sensitivity = 65.5;
+    micInfo.maxSpl = 100.5;
+    micInfo.minSpl = 36.6;
+    micInfo.directionality = AudioMicrophoneDirectionality::HYPER_CARDIOID;
+    micInfo.frequencyResponse.resize(1);
+    micInfo.frequencyResponse[0].frequency = 1000;
+    micInfo.frequencyResponse[0].level = 85;
+    micInfo.position.x = 0;
+    micInfo.position.y = 1;
+    micInfo.position.z = 0;
+    micInfo.orientation.x = 0;
+    micInfo.orientation.y = 0;
+    micInfo.orientation.z = 1;
+    return micInfo;
+}
+
+TEST(CoreUtils, ConvertInvalidMicrophoneInfo) {
+    MicrophoneInfo invalid;
+    audio_microphone_characteristic_t halInvalid{};
+    halInvalid.device = kInvalidHalDevice;
+    EXPECT_EQ(BAD_VALUE, CoreUtils::microphoneInfoFromHal(halInvalid, &invalid));
+
+    MicrophoneInfo oversizeDeviceId = generateValidMicrophoneInfo();
+    oversizeDeviceId.deviceId = std::string(AUDIO_MICROPHONE_ID_MAX_LEN + 1, 'A');
+    EXPECT_EQ(BAD_VALUE, CoreUtils::microphoneInfoToHal(oversizeDeviceId, &halInvalid));
+    MicrophoneInfo invalidDeviceType = generateValidMicrophoneInfo();
+    invalidDeviceType.deviceAddress.deviceType = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::microphoneInfoToHal(invalidDeviceType, &halInvalid));
+    MicrophoneInfo oversizeChannelMapping = generateValidMicrophoneInfo();
+    oversizeChannelMapping.channelMapping.resize(AUDIO_CHANNEL_COUNT_MAX + 1);
+    EXPECT_EQ(BAD_VALUE, CoreUtils::microphoneInfoToHal(oversizeChannelMapping, &halInvalid));
+    MicrophoneInfo oversizeFrequencyResponses = generateValidMicrophoneInfo();
+    oversizeFrequencyResponses.frequencyResponse.resize(AUDIO_MICROPHONE_MAX_FREQUENCY_RESPONSES +
+                                                        1);
+    EXPECT_EQ(BAD_VALUE, CoreUtils::microphoneInfoToHal(oversizeFrequencyResponses, &halInvalid));
+}
+
+TEST(CoreUtils, ConvertMicrophoneInfo) {
+    MicrophoneInfo micInfo = generateValidMicrophoneInfo();
+    audio_microphone_characteristic_t halMicInfo;
+    EXPECT_EQ(NO_ERROR, CoreUtils::microphoneInfoToHal(micInfo, &halMicInfo));
+    MicrophoneInfo micInfoBack;
+    EXPECT_EQ(NO_ERROR, CoreUtils::microphoneInfoFromHal(halMicInfo, &micInfoBack));
+    EXPECT_EQ(micInfo, micInfoBack);
+}
+
+static RecordTrackMetadata generateMinimalRecordTrackMetadata() {
+    RecordTrackMetadata metadata{};
+    metadata.source = toString(xsd::AudioSource::AUDIO_SOURCE_DEFAULT);
+    metadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+    return metadata;
+}
+
+static RecordTrackMetadata generateValidRecordTrackMetadata() {
+    RecordTrackMetadata metadata = generateMinimalRecordTrackMetadata();
+    metadata.tags.resize(1);
+    metadata.tags[0] = "VX_GOOGLE_42";
+    metadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_IN_MONO);
+    metadata.gain = 1.0;
+    return metadata;
+}
+
+static RecordTrackMetadata generateValidRecordTrackMetadataWithDevice() {
+    RecordTrackMetadata metadata = generateValidRecordTrackMetadata();
+    metadata.destination.device({});
+    metadata.destination.device().deviceType = toString(xsd::AudioDevice::AUDIO_DEVICE_OUT_SPEAKER);
+    return metadata;
+}
+
+using SinkTracks = hidl_vec<RecordTrackMetadata>;
+
+TEST(CoreUtils, ConvertInvalidSinkMetadata) {
+    SinkMetadata invalidSource;
+    invalidSource.tracks = SinkTracks{generateMinimalRecordTrackMetadata()};
+    invalidSource.tracks[0].source = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHal(invalidSource, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHalV7(invalidSource,
+                                                        false /*ignoreNonVendorTags*/, nullptr));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataToHalV7(invalidSource, true /*ignoreNonVendorTags*/, nullptr));
+    SinkMetadata invalidDeviceType;
+    invalidDeviceType.tracks = SinkTracks{generateValidRecordTrackMetadataWithDevice()};
+    invalidDeviceType.tracks[0].destination.device().deviceType = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHal(invalidDeviceType, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHalV7(invalidDeviceType,
+                                                        false /*ignoreNonVendorTags*/, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHalV7(invalidDeviceType,
+                                                        true /*ignoreNonVendorTags*/, nullptr));
+    SinkMetadata invalidChannelMask;
+    invalidChannelMask.tracks = SinkTracks{generateValidRecordTrackMetadata()};
+    invalidChannelMask.tracks[0].channelMask = "random string";
+    // Channel mask is sliced away by 'sinkMetadataToHal'
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataToHal(invalidChannelMask, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHalV7(invalidChannelMask,
+                                                        false /*ignoreNonVendorTags*/, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataToHalV7(invalidChannelMask,
+                                                        true /*ignoreNonVendorTags*/, nullptr));
+    SinkMetadata invalidTags;
+    invalidTags.tracks = SinkTracks{generateValidRecordTrackMetadata()};
+    invalidTags.tracks[0].tags[0] = "random string";
+    // Tags are sliced away by 'sinkMetadataToHal'
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataToHal(invalidTags, nullptr));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataToHalV7(invalidTags, false /*ignoreNonVendorTags*/, nullptr));
+    // Non-vendor tags should be filtered out.
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataToHalV7(invalidTags, true /*ignoreNonVendorTags*/, nullptr));
+
+    // Verify that a default-initialized metadata is valid.
+    std::vector<record_track_metadata_t> halValid(1, record_track_metadata_t{});
+    std::vector<record_track_metadata_v7_t> halValidV7(1, record_track_metadata_v7_t{});
+    SinkMetadata valid;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataFromHal(halValid, &valid));
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataFromHalV7(halValidV7, false /*ignoreNonVendorTags*/, &valid));
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataFromHalV7(halValidV7, true /*ignoreNonVendorTags*/, &valid));
+
+    std::vector<record_track_metadata_t> halInvalidSource = {{.source = kInvalidHalSource}};
+    std::vector<record_track_metadata_v7_t> halInvalidSourceV7 = {
+            {.base = {.source = kInvalidHalSource}}};
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataFromHal(halInvalidSource, &invalidSource));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataFromHalV7(halInvalidSourceV7, false /*ignoreNonVendorTags*/,
+                                               &invalidSource));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataFromHalV7(
+                                 halInvalidSourceV7, true /*ignoreNonVendorTags*/, &invalidSource));
+    std::vector<record_track_metadata_t> halInvalidDeviceType = {
+            {.dest_device = kInvalidHalDevice}};
+    std::vector<record_track_metadata_v7_t> halInvalidDeviceTypeV7 = {
+            {.base = {.dest_device = kInvalidHalDevice}}};
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataFromHal(halInvalidDeviceType, &invalidDeviceType));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataFromHalV7(halInvalidDeviceTypeV7,
+                                               false /*ignoreNonVendorTags*/, &invalidDeviceType));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataFromHalV7(halInvalidDeviceTypeV7, true /*ignoreNonVendorTags*/,
+                                               &invalidDeviceType));
+    std::vector<record_track_metadata_v7_t> halInvalidChannelMaskV7 = {
+            {.channel_mask = kInvalidHalChannelMask}};
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataFromHalV7(halInvalidChannelMaskV7,
+                                               false /*ignoreNonVendorTags*/, &invalidChannelMask));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sinkMetadataFromHalV7(halInvalidChannelMaskV7,
+                                               true /*ignoreNonVendorTags*/, &invalidChannelMask));
+    std::vector<record_track_metadata_v7_t> halInvalidTagsV7 = {{.tags = "random string"}};
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sinkMetadataFromHalV7(
+                                 halInvalidTagsV7, false /*ignoreNonVendorTags*/, &invalidTags));
+    // Non-vendor tags should be filtered out.
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataFromHalV7(
+                                halInvalidTagsV7, true /*ignoreNonVendorTags*/, &invalidTags));
+}
+
+TEST(CoreUtils, ConvertEmptySinkMetadata) {
+    SinkMetadata emptySinkMetadata;
+    std::vector<record_track_metadata_t> halEmptySinkMetadata;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataToHal(emptySinkMetadata, &halEmptySinkMetadata));
+    EXPECT_TRUE(halEmptySinkMetadata.empty());
+    SinkMetadata emptySinkMetadataBack;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataFromHal(halEmptySinkMetadata, &emptySinkMetadataBack));
+    EXPECT_EQ(emptySinkMetadata, emptySinkMetadataBack);
+    std::vector<record_track_metadata_v7_t> halEmptySinkMetadataV7;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataToHalV7(emptySinkMetadata, false /*ignoreNonVendorTags*/,
+                                             &halEmptySinkMetadataV7));
+    EXPECT_TRUE(halEmptySinkMetadataV7.empty());
+    SinkMetadata emptySinkMetadataBackFromV7;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataFromHalV7(halEmptySinkMetadataV7,
+                                                         false /*ignoreNonVendorTags*/,
+                                                         &emptySinkMetadataBackFromV7));
+    EXPECT_EQ(emptySinkMetadata, emptySinkMetadataBackFromV7);
+}
+
+class SinkMetadataConvertTest : public ::testing::TestWithParam<SinkTracks> {};
+
+TEST_P(SinkMetadataConvertTest, ToFromHal) {
+    SinkMetadata sinkMetadata;
+    sinkMetadata.tracks = GetParam();
+    std::vector<record_track_metadata_t> halSinkMetadata;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataToHal(sinkMetadata, &halSinkMetadata));
+    EXPECT_EQ(sinkMetadata.tracks.size(), halSinkMetadata.size());
+    SinkMetadata sinkMetadataBackTrimmed;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataFromHal(halSinkMetadata, &sinkMetadataBackTrimmed));
+    // Can't compare 'sinkMetadata' to 'sinkMetadataBackTrimmed'
+    std::vector<record_track_metadata_v7_t> halSinkMetadataV7;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataToHalV7(sinkMetadata, false /*ignoreNonVendorTags*/,
+                                                       &halSinkMetadataV7));
+    EXPECT_EQ(sinkMetadata.tracks.size(), halSinkMetadataV7.size());
+    SinkMetadata sinkMetadataBackFromV7;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataFromHalV7(halSinkMetadataV7, false /*ignoreNonVendorTags*/,
+                                               &sinkMetadataBackFromV7));
+    EXPECT_EQ(sinkMetadata, sinkMetadataBackFromV7);
+    std::vector<record_track_metadata_v7_t> halSinkMetadataV7FromTrimmed;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sinkMetadataToHalV7(sinkMetadataBackTrimmed, false /*ignoreNonVendorTags*/,
+                                             &halSinkMetadataV7FromTrimmed));
+    EXPECT_EQ(sinkMetadata.tracks.size(), halSinkMetadataV7FromTrimmed.size());
+    SinkMetadata sinkMetadataBackFromV7Trimmed;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sinkMetadataFromHalV7(halSinkMetadataV7FromTrimmed,
+                                                         false /*ignoreNonVendorTags*/,
+                                                         &sinkMetadataBackFromV7Trimmed));
+    EXPECT_EQ(sinkMetadataBackTrimmed, sinkMetadataBackFromV7Trimmed);
+}
+
+INSTANTIATE_TEST_SUITE_P(ValidRecordTrackMetadatas, SinkMetadataConvertTest,
+                         ::testing::Values(SinkTracks{generateMinimalRecordTrackMetadata()},
+                                           SinkTracks{generateValidRecordTrackMetadata()},
+                                           SinkTracks{generateValidRecordTrackMetadataWithDevice()},
+                                           SinkTracks{
+                                                   generateMinimalRecordTrackMetadata(),
+                                                   generateValidRecordTrackMetadata(),
+                                                   generateValidRecordTrackMetadataWithDevice()}));
+
+static PlaybackTrackMetadata generateMinimalPlaybackTrackMetadata() {
+    PlaybackTrackMetadata metadata{};
+    metadata.usage = toString(xsd::AudioUsage::AUDIO_USAGE_UNKNOWN);
+    metadata.contentType = toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_UNKNOWN);
+    metadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_NONE);
+    return metadata;
+}
+
+static PlaybackTrackMetadata generateValidPlaybackTrackMetadata() {
+    PlaybackTrackMetadata metadata = generateMinimalPlaybackTrackMetadata();
+    metadata.tags.resize(1);
+    metadata.tags[0] = "VX_GOOGLE_42";
+    metadata.channelMask = toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_MONO);
+    metadata.gain = 1.0;
+    return metadata;
+}
+
+using SourceTracks = hidl_vec<PlaybackTrackMetadata>;
+
+TEST(CoreUtils, ConvertInvalidSourceMetadata) {
+    SourceMetadata invalidUsage;
+    invalidUsage.tracks = SourceTracks{generateMinimalPlaybackTrackMetadata()};
+    invalidUsage.tracks[0].usage = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHal(invalidUsage, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidUsage,
+                                                          false /*ignoreNonVendorTags*/, nullptr));
+    SourceMetadata invalidContentType;
+    invalidContentType.tracks = SourceTracks{generateMinimalPlaybackTrackMetadata()};
+    invalidContentType.tracks[0].contentType = "random string";
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHal(invalidContentType, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidContentType,
+                                                          false /*ignoreNonVendorTags*/, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidContentType,
+                                                          true /*ignoreNonVendorTags*/, nullptr));
+    SourceMetadata invalidChannelMask;
+    invalidChannelMask.tracks = SourceTracks{generateValidPlaybackTrackMetadata()};
+    invalidChannelMask.tracks[0].channelMask = "random string";
+    // Channel mask is sliced away by 'sourceMetadataToHal'
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataToHal(invalidChannelMask, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidChannelMask,
+                                                          false /*ignoreNonVendorTags*/, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidChannelMask,
+                                                          true /*ignoreNonVendorTags*/, nullptr));
+    SourceMetadata invalidTags;
+    invalidTags.tracks = SourceTracks{generateValidPlaybackTrackMetadata()};
+    invalidTags.tracks[0].tags[0] = "random string";
+    // Tags are sliced away by 'sourceMetadataToHal'
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataToHal(invalidTags, nullptr));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataToHalV7(invalidTags,
+                                                          false /*ignoreNonVendorTags*/, nullptr));
+    // Non-vendor tags should be filtered out.
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataToHalV7(invalidTags, true /*ignoreNonVendorTags*/, nullptr));
+
+    // Verify that a default-initialized metadata is valid.
+    std::vector<playback_track_metadata_t> halValid(1, playback_track_metadata_t{});
+    std::vector<playback_track_metadata_v7_t> halValidV7(1, playback_track_metadata_v7_t{});
+    SourceMetadata valid;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataFromHal(halValid, &valid));
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataFromHalV7(halValidV7,
+                                                           false /*ignoreNonVendorTags*/, &valid));
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataFromHalV7(halValidV7, true /*ignoreNonVendorTags*/, &valid));
+
+    std::vector<playback_track_metadata_t> halInvalidUsage = {{.usage = kInvalidHalUsage}};
+    std::vector<playback_track_metadata_v7_t> halInvalidUsageV7 = {
+            {.base = {.usage = kInvalidHalUsage}}};
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataFromHal(halInvalidUsage, &invalidUsage));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataFromHalV7(
+                                 halInvalidUsageV7, false /*ignoreNonVendorTags*/, &invalidUsage));
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataFromHalV7(
+                                 halInvalidUsageV7, true /*ignoreNonVendorTags*/, &invalidUsage));
+    std::vector<playback_track_metadata_t> halInvalidContentType = {
+            {.content_type = kInvalidHalContentType}};
+    std::vector<playback_track_metadata_v7_t> halInvalidContentTypeV7 = {
+            {.base = {.content_type = kInvalidHalContentType}}};
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sourceMetadataFromHal(halInvalidContentType, &invalidContentType));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sourceMetadataFromHalV7(
+                      halInvalidContentTypeV7, false /*ignoreNonVendorTags*/, &invalidContentType));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sourceMetadataFromHalV7(
+                      halInvalidContentTypeV7, true /*ignoreNonVendorTags*/, &invalidContentType));
+    std::vector<playback_track_metadata_v7_t> halInvalidChannelMaskV7 = {
+            {.channel_mask = kInvalidHalChannelMask}};
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sourceMetadataFromHalV7(
+                      halInvalidChannelMaskV7, false /*ignoreNonVendorTags*/, &invalidChannelMask));
+    EXPECT_EQ(BAD_VALUE,
+              CoreUtils::sourceMetadataFromHalV7(
+                      halInvalidChannelMaskV7, true /*ignoreNonVendorTags*/, &invalidChannelMask));
+    std::vector<playback_track_metadata_v7_t> halInvalidTagsV7 = {{.tags = "random string"}};
+    EXPECT_EQ(BAD_VALUE, CoreUtils::sourceMetadataFromHalV7(
+                                 halInvalidTagsV7, false /*ignoreNonVendorTags*/, &invalidTags));
+    // Non-vendor tags should be filtered out.
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataFromHalV7(
+                                halInvalidTagsV7, true /*ignoreNonVendorTags*/, &invalidTags));
+}
+
+TEST(CoreUtils, ConvertEmptySourceMetadata) {
+    SourceMetadata emptySourceMetadata;
+    std::vector<playback_track_metadata_t> halEmptySourceMetadata;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataToHal(emptySourceMetadata, &halEmptySourceMetadata));
+    EXPECT_TRUE(halEmptySourceMetadata.empty());
+    SourceMetadata emptySourceMetadataBack;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataFromHal(halEmptySourceMetadata, &emptySourceMetadataBack));
+    EXPECT_EQ(emptySourceMetadata, emptySourceMetadataBack);
+    std::vector<playback_track_metadata_v7_t> halEmptySourceMetadataV7;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataToHalV7(emptySourceMetadata, false /*ignoreNonVendorTags*/,
+                                               &halEmptySourceMetadataV7));
+    EXPECT_TRUE(halEmptySourceMetadataV7.empty());
+    SourceMetadata emptySourceMetadataBackFromV7;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataFromHalV7(halEmptySourceMetadataV7,
+                                                           false /*ignoreNonVendorTags*/,
+                                                           &emptySourceMetadataBackFromV7));
+    EXPECT_EQ(emptySourceMetadata, emptySourceMetadataBackFromV7);
+}
+
+class SourceMetadataConvertTest : public ::testing::TestWithParam<SourceTracks> {};
+
+TEST_P(SourceMetadataConvertTest, ToFromHal) {
+    SourceMetadata sourceMetadata;
+    sourceMetadata.tracks = GetParam();
+    std::vector<playback_track_metadata_t> halSourceMetadata;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataToHal(sourceMetadata, &halSourceMetadata));
+    EXPECT_EQ(sourceMetadata.tracks.size(), halSourceMetadata.size());
+    SourceMetadata sourceMetadataBackTrimmed;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataFromHal(halSourceMetadata, &sourceMetadataBackTrimmed));
+    // Can't compare 'sourceMetadata' to 'sourceMetadataBackTrimmed'
+    std::vector<playback_track_metadata_v7_t> halSourceMetadataV7;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataToHalV7(sourceMetadata, false /*ignoreNonVendorTags*/,
+                                               &halSourceMetadataV7));
+    EXPECT_EQ(sourceMetadata.tracks.size(), halSourceMetadataV7.size());
+    SourceMetadata sourceMetadataBackFromV7;
+    EXPECT_EQ(NO_ERROR,
+              CoreUtils::sourceMetadataFromHalV7(halSourceMetadataV7, false /*ignoreNonVendorTags*/,
+                                                 &sourceMetadataBackFromV7));
+    EXPECT_EQ(sourceMetadata, sourceMetadataBackFromV7);
+    std::vector<playback_track_metadata_v7_t> halSourceMetadataV7FromTrimmed;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataToHalV7(sourceMetadataBackTrimmed,
+                                                         false /*ignoreNonVendorTags*/,
+                                                         &halSourceMetadataV7FromTrimmed));
+    EXPECT_EQ(sourceMetadata.tracks.size(), halSourceMetadataV7FromTrimmed.size());
+    SourceMetadata sourceMetadataBackFromV7Trimmed;
+    EXPECT_EQ(NO_ERROR, CoreUtils::sourceMetadataFromHalV7(halSourceMetadataV7FromTrimmed,
+                                                           false /*ignoreNonVendorTags*/,
+                                                           &sourceMetadataBackFromV7Trimmed));
+    EXPECT_EQ(sourceMetadataBackTrimmed, sourceMetadataBackFromV7Trimmed);
+}
+
+INSTANTIATE_TEST_SUITE_P(ValidPlaybackTrackMetadatas, SourceMetadataConvertTest,
+                         ::testing::Values(SourceTracks{generateMinimalPlaybackTrackMetadata()},
+                                           SourceTracks{generateValidPlaybackTrackMetadata()},
+                                           SourceTracks{generateMinimalPlaybackTrackMetadata(),
+                                                        generateValidPlaybackTrackMetadata()}));
diff --git a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
index 5076dcf..bb7c6d3 100644
--- a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
@@ -336,24 +336,24 @@
     ASSERT_RESULT(okOrNotSupported, stream->updateSourceMetadata(
         {{{toString(xsd::AudioUsage::AUDIO_USAGE_MEDIA),
                       toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_MUSIC),
-                      {},
+                      0.1, // gain
                       toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO),
-                      0.1},
+                      {}}, // tags
           {toString(xsd::AudioUsage::AUDIO_USAGE_VOICE_COMMUNICATION),
                       toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_SPEECH),
-                      {}, // tags
+                      1.0,
                       toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_MONO),
-                      1.0},
+                      {}},
           {toString(xsd::AudioUsage::AUDIO_USAGE_ALARM),
                       toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_SONIFICATION),
-                      {}, // tags
+                      0.0,
                       toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO),
-                      0.0},
+                      {}},
           {toString(xsd::AudioUsage::AUDIO_USAGE_ASSISTANT),
                       toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_UNKNOWN),
-                      {},
+                      0.3,
                       toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_MONO),
-                      0.3}}}
+                      {}}}}
     ));
     // clang-format on
     // Set no metadata as if all stream track had stopped
diff --git a/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
index 2b9e336..61e99e8 100644
--- a/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
+++ b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
@@ -928,9 +928,9 @@
     const SourceMetadata initMetadata = {
             { { toString(xsd::AudioUsage::AUDIO_USAGE_MEDIA),
                 toString(xsd::AudioContentType::AUDIO_CONTENT_TYPE_MUSIC),
-                {},
+                1 /* gain */,
                 toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO),
-                1 /* gain */ } }};
+                {} } }};
 #endif
 };
 TEST_P(OutputStreamTest, OpenOutputStreamTest) {
diff --git a/audio/effect/all-versions/default/Android.bp b/audio/effect/all-versions/default/Android.bp
index a0cd612..99b1120 100644
--- a/audio/effect/all-versions/default/Android.bp
+++ b/audio/effect/all-versions/default/Android.bp
@@ -8,7 +8,6 @@
         "AudioBufferManager.cpp",
         "AutomaticGainControlEffect.cpp",
         "BassBoostEffect.cpp",
-        "Conversions.cpp",
         "DownmixEffect.cpp",
         "Effect.cpp",
         "EffectsFactory.cpp",
@@ -51,6 +50,7 @@
         "android.hardware.audio.common@2.0",
         "android.hardware.audio.common@2.0-util",
         "android.hardware.audio.effect@2.0",
+        "android.hardware.audio.effect@2.0-util",
     ],
     cflags: [
         "-DMAJOR_VERSION=2",
@@ -66,6 +66,7 @@
         "android.hardware.audio.common@4.0",
         "android.hardware.audio.common@4.0-util",
         "android.hardware.audio.effect@4.0",
+        "android.hardware.audio.effect@4.0-util",
     ],
     cflags: [
         "-DMAJOR_VERSION=4",
@@ -81,6 +82,7 @@
         "android.hardware.audio.common@5.0",
         "android.hardware.audio.common@5.0-util",
         "android.hardware.audio.effect@5.0",
+        "android.hardware.audio.effect@5.0-util",
     ],
     cflags: [
         "-DMAJOR_VERSION=5",
@@ -96,6 +98,7 @@
         "android.hardware.audio.common@6.0",
         "android.hardware.audio.common@6.0-util",
         "android.hardware.audio.effect@6.0",
+        "android.hardware.audio.effect@6.0-util",
     ],
     cflags: [
         "-DMAJOR_VERSION=6",
@@ -111,6 +114,7 @@
         "android.hardware.audio.common@7.0",
         "android.hardware.audio.common@7.0-util",
         "android.hardware.audio.effect@7.0",
+        "android.hardware.audio.effect@7.0-util",
     ],
     cflags: [
         "-DMAJOR_VERSION=7",
diff --git a/audio/effect/all-versions/default/Conversions.cpp b/audio/effect/all-versions/default/Conversions.cpp
deleted file mode 100644
index 0cc8767..0000000
--- a/audio/effect/all-versions/default/Conversions.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-#include "Conversions.h"
-#include "UuidUtils.h"
-
-#include <memory.h>
-#include <stdio.h>
-
-#include <common/all-versions/VersionUtils.h>
-
-using ::android::hardware::audio::common::utils::EnumBitfield;
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace effect {
-namespace CPP_VERSION {
-namespace implementation {
-
-using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
-
-void effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
-                             EffectDescriptor* descriptor) {
-    UuidUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
-    UuidUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
-    descriptor->flags = EnumBitfield<EffectFlags>(halDescriptor.flags);
-    descriptor->cpuLoad = halDescriptor.cpuLoad;
-    descriptor->memoryUsage = halDescriptor.memoryUsage;
-    memcpy(descriptor->name.data(), halDescriptor.name, descriptor->name.size());
-    memcpy(descriptor->implementor.data(), halDescriptor.implementor,
-           descriptor->implementor.size());
-}
-
-std::string uuidToString(const effect_uuid_t& halUuid) {
-    char str[64];
-    snprintf(str, sizeof(str), "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", halUuid.timeLow,
-             halUuid.timeMid, halUuid.timeHiAndVersion, halUuid.clockSeq, halUuid.node[0],
-             halUuid.node[1], halUuid.node[2], halUuid.node[3], halUuid.node[4], halUuid.node[5]);
-    return str;
-}
-
-}  // namespace implementation
-}  // namespace CPP_VERSION
-}  // namespace effect
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
diff --git a/audio/effect/all-versions/default/Conversions.h b/audio/effect/all-versions/default/Conversions.h
deleted file mode 100644
index 75aab24..0000000
--- a/audio/effect/all-versions/default/Conversions.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
-#define ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
-
-#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
-
-#include <string>
-
-#include <system/audio_effect.h>
-
-namespace android {
-namespace hardware {
-namespace audio {
-namespace effect {
-namespace CPP_VERSION {
-namespace implementation {
-
-using ::android::hardware::audio::effect::CPP_VERSION::EffectDescriptor;
-
-void effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
-                             EffectDescriptor* descriptor);
-std::string uuidToString(const effect_uuid_t& halUuid);
-
-}  // namespace implementation
-}  // namespace CPP_VERSION
-}  // namespace effect
-}  // namespace audio
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_CONVERSIONS_H_
diff --git a/audio/effect/all-versions/default/Effect.cpp b/audio/effect/all-versions/default/Effect.cpp
index 58f1779..ccfc6b2 100644
--- a/audio/effect/all-versions/default/Effect.cpp
+++ b/audio/effect/all-versions/default/Effect.cpp
@@ -19,7 +19,6 @@
 #define LOG_TAG "EffectHAL"
 #define ATRACE_TAG ATRACE_TAG_AUDIO
 
-#include "Conversions.h"
 #include "Effect.h"
 #include "common/all-versions/default/EffectMap.h"
 
@@ -30,6 +29,7 @@
 #include <HidlUtils.h>
 #include <android/log.h>
 #include <media/EffectsFactoryApi.h>
+#include <util/EffectUtils.h>
 #include <utils/Trace.h>
 
 #include "VersionUtils.h"
@@ -202,34 +202,6 @@
     halConfig->aux_channels = static_cast<audio_channel_mask_t>(config.auxChannels);
 }
 
-void Effect::effectBufferConfigFromHal(const buffer_config_t& halConfig,
-                                       EffectBufferConfig* config) {
-    config->buffer.id = 0;
-    config->buffer.frameCount = 0;
-    config->samplingRateHz = halConfig.samplingRate;
-    config->channels = AudioChannelBitfield(halConfig.channels);
-    config->format = AudioFormat(halConfig.format);
-    config->accessMode = EffectBufferAccess(halConfig.accessMode);
-    config->mask = static_cast<decltype(config->mask)>(halConfig.mask);
-}
-
-// static
-void Effect::effectBufferConfigToHal(const EffectBufferConfig& config, buffer_config_t* halConfig) {
-    // Note: setting the buffers directly is considered obsolete. They need to be set
-    // using 'setProcessBuffers'.
-    halConfig->buffer.frameCount = 0;
-    halConfig->buffer.raw = NULL;
-    halConfig->samplingRate = config.samplingRateHz;
-    halConfig->channels = static_cast<uint32_t>(config.channels);
-    // Note: The framework code does not use BP.
-    halConfig->bufferProvider.cookie = NULL;
-    halConfig->bufferProvider.getBuffer = NULL;
-    halConfig->bufferProvider.releaseBuffer = NULL;
-    halConfig->format = static_cast<uint8_t>(config.format);
-    halConfig->accessMode = static_cast<uint8_t>(config.accessMode);
-    halConfig->mask = static_cast<uint8_t>(config.mask);
-}
-
 #else  // MAJOR_VERSION <= 6
 
 void Effect::effectAuxChannelsConfigFromHal(const channel_config_t& halConfig,
@@ -247,68 +219,8 @@
     (void)HidlUtils::audioChannelMaskToHal(config.auxChannels, &halConfig->aux_channels);
 }
 
-void Effect::effectBufferConfigFromHal(const buffer_config_t& halConfig,
-                                       EffectBufferConfig* config) {
-    config->buffer.unspecified();
-    audio_config_base_t halConfigBase = {halConfig.samplingRate,
-                                         static_cast<audio_channel_mask_t>(halConfig.channels),
-                                         static_cast<audio_format_t>(halConfig.format)};
-    (void)HidlUtils::audioConfigBaseOptionalFromHal(
-            halConfigBase, mIsInput, halConfig.mask & EFFECT_CONFIG_FORMAT,
-            halConfig.mask & EFFECT_CONFIG_SMP_RATE, halConfig.mask & EFFECT_CONFIG_CHANNELS,
-            &config->base);
-    if (halConfig.mask & EFFECT_CONFIG_ACC_MODE) {
-        config->accessMode.value(EffectBufferAccess(halConfig.accessMode));
-    }
-}
-
-// static
-void Effect::effectBufferConfigToHal(const EffectBufferConfig& config, buffer_config_t* halConfig) {
-    // Note: setting the buffers directly is considered obsolete. They need to be set
-    // using 'setProcessBuffers'.
-    halConfig->buffer.frameCount = 0;
-    halConfig->buffer.raw = nullptr;
-    audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
-    bool formatSpecified = false, sRateSpecified = false, channelMaskSpecified = false;
-    (void)HidlUtils::audioConfigBaseOptionalToHal(config.base, &halConfigBase, &formatSpecified,
-                                                  &sRateSpecified, &channelMaskSpecified);
-    halConfig->mask = 0;
-    if (sRateSpecified) {
-        halConfig->mask |= EFFECT_CONFIG_SMP_RATE;
-        halConfig->samplingRate = halConfigBase.sample_rate;
-    }
-    if (channelMaskSpecified) {
-        halConfig->mask |= EFFECT_CONFIG_CHANNELS;
-        halConfig->channels = halConfigBase.channel_mask;
-    }
-    if (formatSpecified) {
-        halConfig->mask |= EFFECT_CONFIG_FORMAT;
-        halConfig->format = halConfigBase.format;
-    }
-    // Note: The framework code does not use BP.
-    halConfig->bufferProvider.cookie = nullptr;
-    halConfig->bufferProvider.getBuffer = nullptr;
-    halConfig->bufferProvider.releaseBuffer = nullptr;
-    if (config.accessMode.getDiscriminator() ==
-        EffectBufferConfig::OptionalAccessMode::hidl_discriminator::value) {
-        halConfig->mask |= EFFECT_CONFIG_ACC_MODE;
-        halConfig->accessMode = static_cast<uint8_t>(config.accessMode.value());
-    }
-}
-
 #endif  // MAJOR_VERSION <= 6
 
-void Effect::effectConfigFromHal(const effect_config_t& halConfig, EffectConfig* config) {
-    effectBufferConfigFromHal(halConfig.inputCfg, &config->inputCfg);
-    effectBufferConfigFromHal(halConfig.outputCfg, &config->outputCfg);
-}
-
-// static
-void Effect::effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig) {
-    effectBufferConfigToHal(config.inputCfg, &halConfig->inputCfg);
-    effectBufferConfigToHal(config.outputCfg, &halConfig->outputCfg);
-}
-
 // static
 void Effect::effectOffloadParamToHal(const EffectOffloadParameter& offload,
                                      effect_offload_param_t* halOffload) {
@@ -373,7 +285,7 @@
         (*mHandle)->command(mHandle, commandCode, 0, NULL, &halResultSize, &halConfig);
     EffectConfig config;
     if (status == OK) {
-        effectConfigFromHal(halConfig, &config);
+        status = EffectUtils::effectConfigFromHal(halConfig, mIsInput, &config);
     }
     cb(analyzeCommandStatus(commandName, sContextCallToCommand, status), config);
 }
@@ -538,7 +450,7 @@
                              const sp<IEffectBufferProviderCallback>& inputBufferProvider,
                              const sp<IEffectBufferProviderCallback>& outputBufferProvider) {
     effect_config_t halConfig;
-    effectConfigToHal(config, &halConfig);
+    EffectUtils::effectConfigToHal(config, &halConfig);
     if (inputBufferProvider != 0) {
         LOG_FATAL("Using input buffer provider is not supported");
     }
@@ -733,7 +645,7 @@
     status_t status = (*mHandle)->get_descriptor(mHandle, &halDescriptor);
     EffectDescriptor descriptor;
     if (status == OK) {
-        effectDescriptorFromHal(halDescriptor, &descriptor);
+        status = EffectUtils::effectDescriptorFromHal(halDescriptor, &descriptor);
     }
     _hidl_cb(analyzeStatus("get_descriptor", "", sContextCallFunction, status), descriptor);
     return Void();
diff --git a/audio/effect/all-versions/default/Effect.h b/audio/effect/all-versions/default/Effect.h
index 9aa47ea..d5218f7 100644
--- a/audio/effect/all-versions/default/Effect.h
+++ b/audio/effect/all-versions/default/Effect.h
@@ -203,11 +203,6 @@
                                         EffectAuxChannelsConfig* config);
     static void effectAuxChannelsConfigToHal(const EffectAuxChannelsConfig& config,
                                              channel_config_t* halConfig);
-    void effectBufferConfigFromHal(const buffer_config_t& halConfig, EffectBufferConfig* config);
-    static void effectBufferConfigToHal(const EffectBufferConfig& config,
-                                        buffer_config_t* halConfig);
-    void effectConfigFromHal(const effect_config_t& halConfig, EffectConfig* config);
-    static void effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig);
     static void effectOffloadParamToHal(const EffectOffloadParameter& offload,
                                         effect_offload_param_t* halOffload);
     static std::vector<uint8_t> parameterToHal(uint32_t paramSize, const void* paramData,
diff --git a/audio/effect/all-versions/default/EffectsFactory.cpp b/audio/effect/all-versions/default/EffectsFactory.cpp
index 1ea990b..eb1cb49 100644
--- a/audio/effect/all-versions/default/EffectsFactory.cpp
+++ b/audio/effect/all-versions/default/EffectsFactory.cpp
@@ -19,7 +19,6 @@
 #include "AcousticEchoCancelerEffect.h"
 #include "AutomaticGainControlEffect.h"
 #include "BassBoostEffect.h"
-#include "Conversions.h"
 #include "DownmixEffect.h"
 #include "Effect.h"
 #include "EnvironmentalReverbEffect.h"
@@ -27,11 +26,11 @@
 #include "LoudnessEnhancerEffect.h"
 #include "NoiseSuppressionEffect.h"
 #include "PresetReverbEffect.h"
-#include "UuidUtils.h"
 #include "VirtualizerEffect.h"
 #include "VisualizerEffect.h"
 #include "common/all-versions/default/EffectMap.h"
 
+#include <UuidUtils.h>
 #include <android/log.h>
 #include <media/EffectsFactoryApi.h>
 #include <system/audio_effects/effect_aec.h>
@@ -45,6 +44,7 @@
 #include <system/audio_effects/effect_presetreverb.h>
 #include <system/audio_effects/effect_virtualizer.h>
 #include <system/audio_effects/effect_visualizer.h>
+#include <util/EffectUtils.h>
 
 namespace android {
 namespace hardware {
@@ -107,7 +107,7 @@
         effect_descriptor_t halDescriptor;
         status = EffectQueryEffect(i, &halDescriptor);
         if (status == OK) {
-            effectDescriptorFromHal(halDescriptor, &result[i]);
+            EffectUtils::effectDescriptorFromHal(halDescriptor, &result[i]);
         } else {
             ALOGE("Error querying effect at position %d / %d: %s", i, numEffects,
                   strerror(-status));
@@ -141,11 +141,11 @@
     effect_descriptor_t halDescriptor;
     status_t status = EffectGetDescriptor(&halUuid, &halDescriptor);
     EffectDescriptor descriptor;
-    effectDescriptorFromHal(halDescriptor, &descriptor);
+    EffectUtils::effectDescriptorFromHal(halDescriptor, &descriptor);
     Result retval(Result::OK);
     if (status != OK) {
-        ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(),
-              strerror(-status));
+        ALOGE("Error querying effect descriptor for %s: %s",
+              UuidUtils::uuidToString(halUuid).c_str(), strerror(-status));
         if (status == -ENOENT) {
             retval = Result::INVALID_ARGUMENTS;
         } else {
@@ -191,13 +191,14 @@
             effect = dispatchEffectInstanceCreation(halDescriptor, handle);
             effectId = EffectMap::getInstance().add(handle);
         } else {
-            ALOGE("Error querying effect descriptor for %s: %s", uuidToString(halUuid).c_str(),
-                  strerror(-status));
+            ALOGE("Error querying effect descriptor for %s: %s",
+                  UuidUtils::uuidToString(halUuid).c_str(), strerror(-status));
             EffectRelease(handle);
         }
     }
     if (status != OK) {
-        ALOGE("Error creating effect %s: %s", uuidToString(halUuid).c_str(), strerror(-status));
+        ALOGE("Error creating effect %s: %s", UuidUtils::uuidToString(halUuid).c_str(),
+              strerror(-status));
         if (status == -ENOENT) {
             retval = Result::INVALID_ARGUMENTS;
         } else {
diff --git a/audio/effect/all-versions/default/TEST_MAPPING b/audio/effect/all-versions/default/TEST_MAPPING
new file mode 100644
index 0000000..b66e4e4
--- /dev/null
+++ b/audio/effect/all-versions/default/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "android.hardware.audio.effect@7.0-util_tests"
+    }
+  ]
+}
diff --git a/audio/effect/all-versions/default/util/Android.bp b/audio/effect/all-versions/default/util/Android.bp
new file mode 100644
index 0000000..5ba19d3
--- /dev/null
+++ b/audio/effect/all-versions/default/util/Android.bp
@@ -0,0 +1,136 @@
+cc_defaults {
+    name: "android.hardware.audio.effect-util_default",
+    defaults: ["hidl_defaults"],
+
+    vendor_available: true,
+
+    export_include_dirs: ["include"],
+
+    srcs: [
+        "EffectUtils.cpp",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+        "libhidlbase",
+        "android.hardware.audio.common-util",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.audio.common-util",
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+        "libhardware_headers",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.effect@2.0-util",
+    defaults: ["android.hardware.audio.effect-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@2.0",
+        "android.hardware.audio.common@2.0-util",
+        "android.hardware.audio.effect@2.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=2",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.effect@4.0-util",
+    defaults: ["android.hardware.audio.effect-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.effect@4.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=4",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.effect@5.0-util",
+    defaults: ["android.hardware.audio.effect-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@5.0",
+        "android.hardware.audio.common@5.0-util",
+        "android.hardware.audio.effect@5.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=5",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio.effect@6.0-util",
+    defaults: ["android.hardware.audio.effect-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@6.0",
+        "android.hardware.audio.common@6.0-util",
+        "android.hardware.audio.effect@6.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=6",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library {
+    name: "android.hardware.audio.effect@7.0-util",
+    defaults: ["android.hardware.audio.effect-util_default"],
+    shared_libs: [
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.0-util",
+        "android.hardware.audio.effect@7.0",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+// Note: this isn't a VTS test, but rather a unit test
+// to verify correctness of conversion utilities.
+cc_test {
+    name: "android.hardware.audio.effect@7.0-util_tests",
+    defaults: ["android.hardware.audio.effect-util_default"],
+
+    srcs: ["tests/effectutils_tests.cpp"],
+
+    // Use static linking to allow running in presubmit on
+    // targets that don't have HAL V7.
+    static_libs: [
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.0-enums",
+        "android.hardware.audio.common@7.0-util",
+        "android.hardware.audio.effect@7.0",
+        "android.hardware.audio.effect@7.0-util",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libxml2",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+
+    test_suites: ["device-tests"],
+}
diff --git a/audio/effect/all-versions/default/util/EffectUtils.cpp b/audio/effect/all-versions/default/util/EffectUtils.cpp
new file mode 100644
index 0000000..1c0419a
--- /dev/null
+++ b/audio/effect/all-versions/default/util/EffectUtils.cpp
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <memory.h>
+
+#include <HidlUtils.h>
+#include <UuidUtils.h>
+#include <common/all-versions/VersionUtils.h>
+
+#include "util/EffectUtils.h"
+
+using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
+using ::android::hardware::audio::common::utils::EnumBitfield;
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace effect {
+namespace CPP_VERSION {
+namespace implementation {
+
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+
+#define CONVERT_CHECKED(expr, result)                   \
+    if (status_t status = (expr); status != NO_ERROR) { \
+        result = status;                                \
+    }
+
+#if MAJOR_VERSION <= 6
+
+status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool /*isInput*/,
+                                                EffectBufferConfig* config) {
+    config->buffer.id = 0;
+    config->buffer.frameCount = 0;
+    config->samplingRateHz = halConfig.samplingRate;
+    config->channels = EnumBitfield<AudioChannelMask>(halConfig.channels);
+    config->format = AudioFormat(halConfig.format);
+    config->accessMode = EffectBufferAccess(halConfig.accessMode);
+    config->mask = EnumBitfield<EffectConfigParameters>(halConfig.mask);
+    return NO_ERROR;
+}
+
+status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
+                                              buffer_config_t* halConfig) {
+    // Note: setting the buffers directly is considered obsolete. They need to be set
+    // using 'setProcessBuffers'.
+    halConfig->buffer.frameCount = 0;
+    halConfig->buffer.raw = nullptr;
+    halConfig->samplingRate = config.samplingRateHz;
+    halConfig->channels = static_cast<uint32_t>(config.channels);
+    // Note: The framework code does not use BP.
+    halConfig->bufferProvider.cookie = nullptr;
+    halConfig->bufferProvider.getBuffer = nullptr;
+    halConfig->bufferProvider.releaseBuffer = nullptr;
+    halConfig->format = static_cast<uint8_t>(config.format);
+    halConfig->accessMode = static_cast<uint8_t>(config.accessMode);
+    halConfig->mask = static_cast<uint8_t>(config.mask);
+    return NO_ERROR;
+}
+
+#else
+
+status_t EffectUtils::effectBufferConfigFromHal(const buffer_config_t& halConfig, bool isInput,
+                                                EffectBufferConfig* config) {
+    status_t result = NO_ERROR;
+    config->buffer.unspecified();
+    audio_config_base_t halConfigBase = {halConfig.samplingRate,
+                                         static_cast<audio_channel_mask_t>(halConfig.channels),
+                                         static_cast<audio_format_t>(halConfig.format)};
+    CONVERT_CHECKED(HidlUtils::audioConfigBaseOptionalFromHal(
+                            halConfigBase, isInput, halConfig.mask & EFFECT_CONFIG_FORMAT,
+                            halConfig.mask & EFFECT_CONFIG_SMP_RATE,
+                            halConfig.mask & EFFECT_CONFIG_CHANNELS, &config->base),
+                    result);
+    if (halConfig.mask & EFFECT_CONFIG_ACC_MODE) {
+        config->accessMode.value(EffectBufferAccess(halConfig.accessMode));
+    }
+    return result;
+}
+
+status_t EffectUtils::effectBufferConfigToHal(const EffectBufferConfig& config,
+                                              buffer_config_t* halConfig) {
+    status_t result = NO_ERROR;
+    // Note: setting the buffers directly is considered obsolete. They need to be set
+    // using 'setProcessBuffers'.
+    halConfig->buffer.frameCount = 0;
+    halConfig->buffer.raw = nullptr;
+    audio_config_base_t halConfigBase = AUDIO_CONFIG_BASE_INITIALIZER;
+    bool formatSpecified = false, sRateSpecified = false, channelMaskSpecified = false;
+    CONVERT_CHECKED(
+            HidlUtils::audioConfigBaseOptionalToHal(config.base, &halConfigBase, &formatSpecified,
+                                                    &sRateSpecified, &channelMaskSpecified),
+            result);
+    halConfig->mask = 0;
+    if (sRateSpecified) {
+        halConfig->mask |= EFFECT_CONFIG_SMP_RATE;
+        halConfig->samplingRate = halConfigBase.sample_rate;
+    }
+    if (channelMaskSpecified) {
+        halConfig->mask |= EFFECT_CONFIG_CHANNELS;
+        halConfig->channels = halConfigBase.channel_mask;
+    }
+    if (formatSpecified) {
+        halConfig->mask |= EFFECT_CONFIG_FORMAT;
+        halConfig->format = halConfigBase.format;
+    }
+    // Note: The framework code does not use BP.
+    halConfig->bufferProvider.cookie = nullptr;
+    halConfig->bufferProvider.getBuffer = nullptr;
+    halConfig->bufferProvider.releaseBuffer = nullptr;
+    if (config.accessMode.getDiscriminator() ==
+        EffectBufferConfig::OptionalAccessMode::hidl_discriminator::value) {
+        halConfig->mask |= EFFECT_CONFIG_ACC_MODE;
+        halConfig->accessMode = static_cast<uint8_t>(config.accessMode.value());
+    }
+    return result;
+}
+
+#endif  // MAJOR_VERSION >= 6
+
+status_t EffectUtils::effectConfigFromHal(const effect_config_t& halConfig, bool isInput,
+                                          EffectConfig* config) {
+    status_t result = NO_ERROR;
+    CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.inputCfg, isInput, &config->inputCfg),
+                    result);
+    CONVERT_CHECKED(effectBufferConfigFromHal(halConfig.outputCfg, isInput, &config->outputCfg),
+                    result);
+    return result;
+}
+
+status_t EffectUtils::effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig) {
+    status_t result = NO_ERROR;
+    CONVERT_CHECKED(effectBufferConfigToHal(config.inputCfg, &halConfig->inputCfg), result);
+    CONVERT_CHECKED(effectBufferConfigToHal(config.outputCfg, &halConfig->outputCfg), result);
+    return result;
+}
+
+status_t EffectUtils::effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
+                                              EffectDescriptor* descriptor) {
+    UuidUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
+    UuidUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
+    descriptor->flags = EnumBitfield<EffectFlags>(halDescriptor.flags);
+    descriptor->cpuLoad = halDescriptor.cpuLoad;
+    descriptor->memoryUsage = halDescriptor.memoryUsage;
+    memcpy(descriptor->name.data(), halDescriptor.name, descriptor->name.size());
+    memcpy(descriptor->implementor.data(), halDescriptor.implementor,
+           descriptor->implementor.size());
+    return NO_ERROR;
+}
+
+status_t EffectUtils::effectDescriptorToHal(const EffectDescriptor& descriptor,
+                                            effect_descriptor_t* halDescriptor) {
+    UuidUtils::uuidToHal(descriptor.type, &halDescriptor->type);
+    UuidUtils::uuidToHal(descriptor.uuid, &halDescriptor->uuid);
+    halDescriptor->flags = static_cast<uint32_t>(descriptor.flags);
+    halDescriptor->cpuLoad = descriptor.cpuLoad;
+    halDescriptor->memoryUsage = descriptor.memoryUsage;
+    memcpy(halDescriptor->name, descriptor.name.data(), descriptor.name.size());
+    memcpy(halDescriptor->implementor, descriptor.implementor.data(),
+           descriptor.implementor.size());
+    return NO_ERROR;
+}
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace effect
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
diff --git a/audio/effect/all-versions/default/util/include/util/EffectUtils.h b/audio/effect/all-versions/default/util/include/util/EffectUtils.h
new file mode 100644
index 0000000..23963b4
--- /dev/null
+++ b/audio/effect/all-versions/default/util/include/util/EffectUtils.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#pragma once
+
+// clang-format off
+#include PATH(android/hardware/audio/effect/FILE_VERSION/types.h)
+// clang-format on
+
+#include <system/audio_effect.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace effect {
+namespace CPP_VERSION {
+namespace implementation {
+
+using namespace ::android::hardware::audio::effect::CPP_VERSION;
+
+struct EffectUtils {
+    static status_t effectBufferConfigFromHal(const buffer_config_t& halConfig, bool isInput,
+                                              EffectBufferConfig* config);
+    static status_t effectBufferConfigToHal(const EffectBufferConfig& config,
+                                            buffer_config_t* halConfig);
+    static status_t effectConfigFromHal(const effect_config_t& halConfig, bool isInput,
+                                        EffectConfig* config);
+    static status_t effectConfigToHal(const EffectConfig& config, effect_config_t* halConfig);
+    static status_t effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
+                                            EffectDescriptor* descriptor);
+    static status_t effectDescriptorToHal(const EffectDescriptor& descriptor,
+                                          effect_descriptor_t* halDescriptor);
+};
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace effect
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
diff --git a/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp b/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp
new file mode 100644
index 0000000..7eb8cd2
--- /dev/null
+++ b/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+#define LOG_TAG "EffectUtils_Test"
+#include <log/log.h>
+
+#include <android_audio_policy_configuration_V7_0-enums.h>
+#include <system/audio_effect.h>
+#include <util/EffectUtils.h>
+#include <xsdc/XsdcSupport.h>
+
+using namespace android;
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::effect::CPP_VERSION;
+using ::android::hardware::audio::effect::CPP_VERSION::implementation::EffectUtils;
+namespace xsd {
+using namespace ::android::audio::policy::configuration::V7_0;
+}
+
+static constexpr audio_channel_mask_t kInvalidHalChannelMask = AUDIO_CHANNEL_INVALID;
+static constexpr audio_format_t kInvalidHalFormat = AUDIO_FORMAT_INVALID;
+
+// Not generated automatically because AudioBuffer contains
+// instances of hidl_memory which can't be compared properly
+// in general case due to presence of handles.
+//
+// However, in this particular case, handles must not present
+// thus comparison is possible.
+//
+// operator== must be defined in the same namespace as the structures.
+namespace android {
+namespace hardware {
+namespace audio {
+namespace effect {
+namespace CPP_VERSION {
+inline bool operator==(const AudioBuffer& lhs, const AudioBuffer& rhs) {
+    return lhs.id == rhs.id && lhs.frameCount == rhs.frameCount && lhs.data.handle() == nullptr &&
+           rhs.data.handle() == nullptr;
+}
+
+inline bool operator==(const EffectBufferConfig& lhs, const EffectBufferConfig& rhs) {
+    return lhs.buffer.getDiscriminator() == rhs.buffer.getDiscriminator() &&
+           (lhs.buffer.getDiscriminator() ==
+                    EffectBufferConfig::OptionalBuffer::hidl_discriminator::unspecified ||
+            lhs.buffer.buf() == rhs.buffer.buf()) &&
+           lhs.base == rhs.base && lhs.accessMode == rhs.accessMode;
+}
+
+inline bool operator==(const EffectConfig& lhs, const EffectConfig& rhs) {
+    return lhs.inputCfg == rhs.inputCfg && lhs.outputCfg == rhs.outputCfg;
+}
+}  // namespace CPP_VERSION
+}  // namespace effect
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+TEST(EffectUtils, ConvertInvalidBufferConfig) {
+    buffer_config_t halInvalid;
+    EffectBufferConfig invalidChannelMask;
+    invalidChannelMask.base.channelMask.value("random string");
+    EXPECT_EQ(BAD_VALUE, EffectUtils::effectBufferConfigToHal(invalidChannelMask, &halInvalid));
+    EffectBufferConfig invalidFormat;
+    invalidFormat.base.format.value("random string");
+    EXPECT_EQ(BAD_VALUE, EffectUtils::effectBufferConfigToHal(invalidFormat, &halInvalid));
+
+    buffer_config_t halInvalidChannelMask;
+    EffectBufferConfig invalid;
+    halInvalidChannelMask.channels = kInvalidHalChannelMask;
+    halInvalidChannelMask.mask = EFFECT_CONFIG_CHANNELS;
+    EXPECT_EQ(BAD_VALUE, EffectUtils::effectBufferConfigFromHal(halInvalidChannelMask,
+                                                                false /*isInput*/, &invalid));
+    EXPECT_EQ(BAD_VALUE, EffectUtils::effectBufferConfigFromHal(halInvalidChannelMask,
+                                                                true /*isInput*/, &invalid));
+    buffer_config_t halInvalidFormat;
+    halInvalidFormat.format = (uint8_t)kInvalidHalFormat;
+    halInvalidFormat.mask = EFFECT_CONFIG_FORMAT;
+    EXPECT_EQ(BAD_VALUE, EffectUtils::effectBufferConfigFromHal(halInvalidFormat, false /*isInput*/,
+                                                                &invalid));
+    EXPECT_EQ(BAD_VALUE,
+              EffectUtils::effectBufferConfigFromHal(halInvalidFormat, true /*isInput*/, &invalid));
+}
+
+TEST(EffectUtils, ConvertBufferConfig) {
+    EffectBufferConfig empty;
+    buffer_config_t halEmpty;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectBufferConfigToHal(empty, &halEmpty));
+    EffectBufferConfig emptyBackOut;
+    EXPECT_EQ(NO_ERROR,
+              EffectUtils::effectBufferConfigFromHal(halEmpty, false /*isInput*/, &emptyBackOut));
+    EXPECT_EQ(empty, emptyBackOut);
+    EffectBufferConfig emptyBackIn;
+    EXPECT_EQ(NO_ERROR,
+              EffectUtils::effectBufferConfigFromHal(halEmpty, true /*isInput*/, &emptyBackIn));
+    EXPECT_EQ(empty, emptyBackIn);
+
+    EffectBufferConfig chanMask;
+    chanMask.base.channelMask.value(toString(xsd::AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO));
+    buffer_config_t halChanMask;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectBufferConfigToHal(chanMask, &halChanMask));
+    EffectBufferConfig chanMaskBack;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectBufferConfigFromHal(halChanMask, false /*isInput*/,
+                                                               &chanMaskBack));
+    EXPECT_EQ(chanMask, chanMaskBack);
+
+    EffectBufferConfig format;
+    format.base.format.value(toString(xsd::AudioFormat::AUDIO_FORMAT_PCM_16_BIT));
+    buffer_config_t halFormat;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectBufferConfigToHal(format, &halFormat));
+    EffectBufferConfig formatBackOut;
+    EXPECT_EQ(NO_ERROR,
+              EffectUtils::effectBufferConfigFromHal(halFormat, false /*isInput*/, &formatBackOut));
+    EXPECT_EQ(format, formatBackOut);
+    EffectBufferConfig formatBackIn;
+    EXPECT_EQ(NO_ERROR,
+              EffectUtils::effectBufferConfigFromHal(halFormat, true /*isInput*/, &formatBackIn));
+    EXPECT_EQ(format, formatBackIn);
+}
+
+TEST(EffectUtils, ConvertDescriptor) {
+    EffectDescriptor desc{};
+    effect_descriptor_t halDesc;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectDescriptorToHal(desc, &halDesc));
+    EffectDescriptor descBack;
+    EXPECT_EQ(NO_ERROR, EffectUtils::effectDescriptorFromHal(halDesc, &descBack));
+    EXPECT_EQ(desc, descBack);
+}
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index 2099dc0..7e6b5ad 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -888,6 +888,8 @@
     static Status getSystemCameraKind(const camera_metadata_t* staticMeta,
                                       SystemCameraKind* systemCameraKind);
 
+    static V3_2::DataspaceFlags getDataspace(PixelFormat format);
+
     void processCaptureRequestInternal(uint64_t bufferusage, RequestTemplate reqTemplate,
                                        bool useSecureOnlyCameras);
 
@@ -3178,7 +3180,6 @@
     }
 }
 
-
 // Verify that all supported stream formats and sizes can be configured
 // successfully.
 TEST_P(CameraHidlTest, configureStreamsAvailableOutputs) {
@@ -3221,17 +3222,7 @@
         uint32_t streamConfigCounter = 0;
         for (auto& it : outputStreams) {
             V3_2::Stream stream3_2;
-            V3_2::DataspaceFlags dataspaceFlag = 0;
-            switch (static_cast<PixelFormat>(it.format)) {
-                case PixelFormat::BLOB:
-                    dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF);
-                    break;
-                case PixelFormat::Y16:
-                    dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::DEPTH);
-                    break;
-                default:
-                    dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::UNKNOWN);
-            }
+            V3_2::DataspaceFlags dataspaceFlag = getDataspace(static_cast<PixelFormat>(it.format));
             stream3_2 = {streamId,
                              StreamType::OUTPUT,
                              static_cast<uint32_t>(it.width),
@@ -3351,17 +3342,8 @@
             size_t j = 0;
             for (const auto& it : outputStreams) {
                 V3_2::Stream stream3_2;
-                V3_2::DataspaceFlags dataspaceFlag = 0;
-                switch (static_cast<PixelFormat>(it.format)) {
-                    case PixelFormat::BLOB:
-                        dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF);
-                        break;
-                    case PixelFormat::Y16:
-                        dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::DEPTH);
-                        break;
-                    default:
-                        dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::UNKNOWN);
-                }
+                V3_2::DataspaceFlags dataspaceFlag = getDataspace(
+                        static_cast<PixelFormat>(it.format));
                 stream3_2 = {streamId++,
                              StreamType::OUTPUT,
                              static_cast<uint32_t>(it.width),
@@ -5901,6 +5883,23 @@
     return ret;
 }
 
+// Select an appropriate dataspace given a specific pixel format.
+V3_2::DataspaceFlags CameraHidlTest::getDataspace(PixelFormat format) {
+    switch (format) {
+        case PixelFormat::BLOB:
+            return static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF);
+        case PixelFormat::Y16:
+            return static_cast<V3_2::DataspaceFlags>(Dataspace::DEPTH);
+        case PixelFormat::RAW16:
+        case PixelFormat::RAW_OPAQUE:
+        case PixelFormat::RAW10:
+        case PixelFormat::RAW12:
+            return  static_cast<V3_2::DataspaceFlags>(Dataspace::ARBITRARY);
+        default:
+            return static_cast<V3_2::DataspaceFlags>(Dataspace::UNKNOWN);
+    }
+}
+
 // Check whether this is a monochrome camera using the static camera characteristics.
 Status CameraHidlTest::isMonochromeCamera(const camera_metadata_t *staticMeta) {
     Status ret = Status::METHOD_NOT_SUPPORTED;
@@ -6275,17 +6274,8 @@
     ASSERT_EQ(Status::OK, rc);
     ASSERT_FALSE(outputStreams.empty());
 
-    V3_2::DataspaceFlags dataspaceFlag = 0;
-    switch (static_cast<PixelFormat>(outputStreams[idx].format)) {
-        case PixelFormat::BLOB:
-            dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF);
-            break;
-        case PixelFormat::Y16:
-            dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::DEPTH);
-            break;
-        default:
-            dataspaceFlag = static_cast<V3_2::DataspaceFlags>(Dataspace::UNKNOWN);
-    }
+    V3_2::DataspaceFlags dataspaceFlag = getDataspace(
+            static_cast<PixelFormat>(outputStreams[idx].format));
 
     ::android::hardware::hidl_vec<V3_4::Stream> streams3_4(/*size*/1);
     V3_4::Stream stream3_4 = {{ 0 /*streamId*/, StreamType::OUTPUT,
diff --git a/compatibility_matrices/compatibility_matrix.3.xml b/compatibility_matrices/compatibility_matrix.3.xml
index 5888ab9..608890b 100644
--- a/compatibility_matrices/compatibility_matrix.3.xml
+++ b/compatibility_matrices/compatibility_matrix.3.xml
@@ -310,6 +310,10 @@
             <instance>slot2</instance>
             <instance>slot3</instance>
         </interface>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.radio</name>
+        <version>1.0-2</version>
         <interface>
             <name>ISap</name>
             <instance>slot1</instance>
diff --git a/compatibility_matrices/compatibility_matrix.4.xml b/compatibility_matrices/compatibility_matrix.4.xml
index 5e1266e..e5e012c 100644
--- a/compatibility_matrices/compatibility_matrix.4.xml
+++ b/compatibility_matrices/compatibility_matrix.4.xml
@@ -432,7 +432,6 @@
     <hal format="hidl" optional="true">
         <name>android.hardware.tv.cec</name>
         <version>1.0</version>
-        <version>2.0</version>
         <interface>
             <name>IHdmiCec</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/compatibility_matrix.5.xml b/compatibility_matrices/compatibility_matrix.5.xml
index 8bc663d..e772b6f 100644
--- a/compatibility_matrices/compatibility_matrix.5.xml
+++ b/compatibility_matrices/compatibility_matrix.5.xml
@@ -467,7 +467,6 @@
     <hal format="hidl" optional="true">
         <name>android.hardware.tv.cec</name>
         <version>1.0</version>
-        <version>2.0</version>
         <interface>
             <name>IHdmiCec</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index fa0a70e..5e7e4c7 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -75,6 +75,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.occupant_awareness</name>
+        <version>1</version>
         <interface>
             <name>IOccupantAwareness</name>
             <instance>default</instance>
@@ -317,6 +318,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.security.keymint</name>
+        <version>1</version>
         <interface>
             <name>IKeyMintDevice</name>
             <instance>default</instance>
@@ -325,6 +327,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.light</name>
+        <version>1</version>
         <interface>
             <name>ILights</name>
             <instance>default</instance>
@@ -353,6 +356,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.memtrack</name>
+        <version>1</version>
         <interface>
             <name>IMemtrack</name>
             <instance>default</instance>
@@ -392,6 +396,7 @@
     </hal>
     <hal format="aidl" optional="false">
         <name>android.hardware.power</name>
+        <version>1</version>
         <interface>
             <name>IPower</name>
             <instance>default</instance>
@@ -452,6 +457,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.rebootescrow</name>
+        <version>1</version>
         <interface>
             <name>IRebootEscrow</name>
             <instance>default</instance>
@@ -468,6 +474,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.security.secureclock</name>
+        <version>1</version>
         <interface>
             <name>ISecureClock</name>
             <instance>default</instance>
@@ -475,6 +482,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.security.sharedsecret</name>
+        <version>1</version>
         <interface>
             <name>ISharedSecret</name>
             <instance>default</instance>
@@ -524,7 +532,6 @@
     <hal format="hidl" optional="true">
         <name>android.hardware.tv.cec</name>
         <version>1.0</version>
-        <version>2.0</version>
         <interface>
             <name>IHdmiCec</name>
             <instance>default</instance>
diff --git a/compatibility_matrices/exclude/fcm_exclude.cpp b/compatibility_matrices/exclude/fcm_exclude.cpp
index 849df94..6a4d251 100644
--- a/compatibility_matrices/exclude/fcm_exclude.cpp
+++ b/compatibility_matrices/exclude/fcm_exclude.cpp
@@ -66,7 +66,7 @@
             // TODO(b/171260360) Remove when HAL definition is removed
             "android.hardware.audio.effect@2.0",
             "android.hardware.audio@2.0",
-            // TODO(b/171260613) Remove when HAL definition is removed
+            // Health 1.0 HAL is deprecated. The top level interface are deleted.
             "android.hardware.health@1.0",
             // TODO(b/171260670) Remove when HAL definition is removed
             "android.hardware.nfc@1.0",
diff --git a/graphics/allocator/2.0/default/OWNERS b/graphics/allocator/2.0/default/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/allocator/2.0/default/OWNERS
+++ b/graphics/allocator/2.0/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/allocator/2.0/utils/OWNERS b/graphics/allocator/2.0/utils/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/allocator/2.0/utils/OWNERS
+++ b/graphics/allocator/2.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/composer/2.1/default/OWNERS b/graphics/composer/2.1/default/OWNERS
index db8fb80..709c4d1 100644
--- a/graphics/composer/2.1/default/OWNERS
+++ b/graphics/composer/2.1/default/OWNERS
@@ -1,6 +1,3 @@
 # Graphics team
-courtneygo@google.com
-jessehall@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.1/utils/OWNERS b/graphics/composer/2.1/utils/OWNERS
index 5acc631..7af69b4 100644
--- a/graphics/composer/2.1/utils/OWNERS
+++ b/graphics/composer/2.1/utils/OWNERS
@@ -1,5 +1,2 @@
-courtneygo@google.com
-jessehall@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.2/default/OWNERS b/graphics/composer/2.2/default/OWNERS
index db8fb80..709c4d1 100644
--- a/graphics/composer/2.2/default/OWNERS
+++ b/graphics/composer/2.2/default/OWNERS
@@ -1,6 +1,3 @@
 # Graphics team
-courtneygo@google.com
-jessehall@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.2/utils/OWNERS b/graphics/composer/2.2/utils/OWNERS
index 3f1e82c..709c4d1 100644
--- a/graphics/composer/2.2/utils/OWNERS
+++ b/graphics/composer/2.2/utils/OWNERS
@@ -1,5 +1,3 @@
 # Graphics team
-courtneygo@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.2/vts/functional/OWNERS b/graphics/composer/2.2/vts/functional/OWNERS
index a17a50c..ea06752 100644
--- a/graphics/composer/2.2/vts/functional/OWNERS
+++ b/graphics/composer/2.2/vts/functional/OWNERS
@@ -1,8 +1,6 @@
 # Graphics team
-courtneygo@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/composer/2.3/default/OWNERS b/graphics/composer/2.3/default/OWNERS
index 820ebe6..709c4d1 100644
--- a/graphics/composer/2.3/default/OWNERS
+++ b/graphics/composer/2.3/default/OWNERS
@@ -1,5 +1,3 @@
 # Graphics team
-jessehall@google.com
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.3/utils/OWNERS b/graphics/composer/2.3/utils/OWNERS
index cc6d937..709c4d1 100644
--- a/graphics/composer/2.3/utils/OWNERS
+++ b/graphics/composer/2.3/utils/OWNERS
@@ -1,4 +1,3 @@
 # Graphics team
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.3/vts/functional/OWNERS b/graphics/composer/2.3/vts/functional/OWNERS
index b3ea6be..ea06752 100644
--- a/graphics/composer/2.3/vts/functional/OWNERS
+++ b/graphics/composer/2.3/vts/functional/OWNERS
@@ -1,7 +1,6 @@
 # Graphics team
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/composer/2.4/default/OWNERS b/graphics/composer/2.4/default/OWNERS
index cc6d937..709c4d1 100644
--- a/graphics/composer/2.4/default/OWNERS
+++ b/graphics/composer/2.4/default/OWNERS
@@ -1,4 +1,3 @@
 # Graphics team
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.4/utils/OWNERS b/graphics/composer/2.4/utils/OWNERS
index cc6d937..709c4d1 100644
--- a/graphics/composer/2.4/utils/OWNERS
+++ b/graphics/composer/2.4/utils/OWNERS
@@ -1,4 +1,3 @@
 # Graphics team
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
diff --git a/graphics/composer/2.4/vts/functional/OWNERS b/graphics/composer/2.4/vts/functional/OWNERS
index b3ea6be..ea06752 100644
--- a/graphics/composer/2.4/vts/functional/OWNERS
+++ b/graphics/composer/2.4/vts/functional/OWNERS
@@ -1,7 +1,6 @@
 # Graphics team
+adyabr@google.com
 lpy@google.com
-stoza@google.com
-vhau@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/mapper/2.0/default/OWNERS b/graphics/mapper/2.0/default/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/2.0/default/OWNERS
+++ b/graphics/mapper/2.0/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/2.0/utils/OWNERS b/graphics/mapper/2.0/utils/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/2.0/utils/OWNERS
+++ b/graphics/mapper/2.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/2.0/vts/OWNERS b/graphics/mapper/2.0/vts/OWNERS
index 11b7d21..4177296 100644
--- a/graphics/mapper/2.0/vts/OWNERS
+++ b/graphics/mapper/2.0/vts/OWNERS
@@ -1,7 +1,7 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/mapper/2.1/default/OWNERS b/graphics/mapper/2.1/default/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/2.1/default/OWNERS
+++ b/graphics/mapper/2.1/default/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/2.1/utils/OWNERS b/graphics/mapper/2.1/utils/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/2.1/utils/OWNERS
+++ b/graphics/mapper/2.1/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/2.1/vts/OWNERS b/graphics/mapper/2.1/vts/OWNERS
index 11b7d21..4177296 100644
--- a/graphics/mapper/2.1/vts/OWNERS
+++ b/graphics/mapper/2.1/vts/OWNERS
@@ -1,7 +1,7 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
 
 # VTS team
 yim@google.com
diff --git a/graphics/mapper/3.0/utils/OWNERS b/graphics/mapper/3.0/utils/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/3.0/utils/OWNERS
+++ b/graphics/mapper/3.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/3.0/vts/OWNERS b/graphics/mapper/3.0/vts/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/3.0/vts/OWNERS
+++ b/graphics/mapper/3.0/vts/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/4.0/utils/OWNERS b/graphics/mapper/4.0/utils/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/4.0/utils/OWNERS
+++ b/graphics/mapper/4.0/utils/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/graphics/mapper/4.0/vts/OWNERS b/graphics/mapper/4.0/vts/OWNERS
index 2a56b38..c9f24d0 100644
--- a/graphics/mapper/4.0/vts/OWNERS
+++ b/graphics/mapper/4.0/vts/OWNERS
@@ -1,4 +1,4 @@
 # Graphics team
 chrisforbes@google.com
-stoza@google.com
-vhau@google.com
+jreck@google.com
+lpy@google.com
diff --git a/health/storage/impl_common/impl_common.cpp b/health/storage/impl_common/impl_common.cpp
index 6e753d4..1a7a7f1 100644
--- a/health/storage/impl_common/impl_common.cpp
+++ b/health/storage/impl_common/impl_common.cpp
@@ -45,32 +45,59 @@
     return "";
 }
 
-Result GarbageCollect(uint64_t timeout_seconds) {
-    std::string path = GetGarbageCollectPath();
+static std::string GetWriteBoosterPath() {
+    Fstab fstab;
+    ReadDefaultFstab(&fstab);
 
-    if (path.empty()) {
+    for (const auto& entry : fstab) {
+        if (!entry.sysfs_path.empty()) {
+            return entry.sysfs_path + "/attributes/wb_avail_buf";
+        }
+    }
+
+    return "";
+}
+
+Result GarbageCollect(uint64_t timeout_seconds) {
+    std::string gc_path = GetGarbageCollectPath();
+
+    if (gc_path.empty()) {
         LOG(WARNING) << "Cannot find Dev GC path";
         return Result::UNKNOWN_ERROR;
     }
 
     Result result = Result::SUCCESS;
     Timer timer;
-    LOG(INFO) << "Start Dev GC on " << path;
+    LOG(INFO) << "Start Dev GC on " << gc_path;
     while (1) {
-        std::string require;
-        if (!ReadFileToString(path, &require)) {
-            PLOG(WARNING) << "Reading manual_gc failed in " << path;
+        std::string require_gc;
+        if (!ReadFileToString(gc_path, &require_gc)) {
+            PLOG(WARNING) << "Reading manual_gc failed in " << gc_path;
             result = Result::IO_ERROR;
             break;
         }
-        require = Trim(require);
-        if (require == "" || require == "off" || require == "disabled") {
+        require_gc = Trim(require_gc);
+
+        std::string wb_path = GetWriteBoosterPath();
+        // Let's flush WB till 100% available
+        std::string wb_avail = "0x0000000A";
+        if (!wb_path.empty() && !ReadFileToString(wb_path, &wb_avail)) {
+            PLOG(WARNING) << "Reading wb_avail_buf failed in " << wb_path;
+        }
+        wb_avail = Trim(wb_avail);
+
+        if (require_gc == "disabled") {
+            LOG(DEBUG) << "Disabled Dev GC";
+            break;
+        }
+        if ((require_gc == "" || require_gc == "off") && wb_avail == "0x0000000A") {
             LOG(DEBUG) << "No more to do Dev GC";
             break;
         }
-        LOG(DEBUG) << "Trigger Dev GC on " << path;
-        if (!WriteStringToFile("1", path)) {
-            PLOG(WARNING) << "Start Dev GC failed on " << path;
+        LOG(DEBUG) << "Trigger Dev GC on " << gc_path << " having " << require_gc << ", WB on "
+                   << wb_path << " having " << wb_avail;
+        if (!WriteStringToFile("1", gc_path)) {
+            PLOG(WARNING) << "Start Dev GC failed on " << gc_path;
             result = Result::IO_ERROR;
             break;
         }
@@ -81,9 +108,9 @@
         }
         sleep(2);
     }
-    LOG(INFO) << "Stop Dev GC on " << path;
-    if (!WriteStringToFile("0", path)) {
-        PLOG(WARNING) << "Stop Dev GC failed on " << path;
+    LOG(INFO) << "Stop Dev GC on " << gc_path;
+    if (!WriteStringToFile("0", gc_path)) {
+        PLOG(WARNING) << "Stop Dev GC failed on " << gc_path;
         result = Result::IO_ERROR;
     }
 
@@ -97,17 +124,26 @@
     if (path.empty()) {
         output << "Cannot find Dev GC path";
     } else {
-        std::string require;
+        std::string require_gc;
 
-        if (ReadFileToString(path, &require)) {
-            output << path << ":" << require << std::endl;
+        if (ReadFileToString(path, &require_gc)) {
+            output << path << ":" << require_gc << std::endl;
         }
 
         if (WriteStringToFile("0", path)) {
             output << "stop success" << std::endl;
         }
     }
+    std::string wb_path = GetWriteBoosterPath();
+    if (wb_path.empty()) {
+        output << "Cannot find Dev WriteBooster path";
+    } else {
+        std::string wb_available;
 
+        if (ReadFileToString(wb_path, &wb_available)) {
+            output << wb_path << ":" << wb_available << std::endl;
+        }
+    }
     if (!WriteStringToFd(output.str(), fd)) {
         PLOG(WARNING) << "debug: cannot write to fd";
     }
diff --git a/memtrack/aidl/vts/VtsHalMemtrackTargetTest.cpp b/memtrack/aidl/vts/VtsHalMemtrackTargetTest.cpp
index 2393c56..d5f4612 100644
--- a/memtrack/aidl/vts/VtsHalMemtrackTargetTest.cpp
+++ b/memtrack/aidl/vts/VtsHalMemtrackTargetTest.cpp
@@ -79,10 +79,10 @@
 
     auto status = memtrack_->getGpuDeviceInfo(&device_info);
 
-    // Devices with < 5.10 kernels aren't required to provide an implementation of
+    // Devices with < 5.4 kernels aren't required to provide an implementation of
     // getGpuDeviceInfo(), and can return EX_UNSUPPORTED_OPERATION
     if (status.getExceptionCode() == EX_UNSUPPORTED_OPERATION) {
-        KernelVersion min_kernel_version = KernelVersion(5, 10, 0);
+        KernelVersion min_kernel_version = KernelVersion(5, 4, 0);
         KernelVersion kernel_version = VintfObject::GetInstance()
                                                ->getRuntimeInfo(RuntimeInfo::FetchFlag::CPU_VERSION)
                                                ->kernelVersion();
diff --git a/radio/1.6/types.hal b/radio/1.6/types.hal
index 8e1033b..8560b3d 100644
--- a/radio/1.6/types.hal
+++ b/radio/1.6/types.hal
@@ -732,6 +732,14 @@
              */
             NrVopsInfo nrVopsInfo;
         } ngranInfo;
+
+        struct GeranRegistrationInfo {
+            /**
+             * True if the dual transfer mode is supported.
+             * Refer to 3GPP TS 44.108 section 3.4.25.3
+             */
+            bool dtmSupported;
+        } geranInfo;
     } accessTechnologySpecificInfo;
 };
 
diff --git a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
index 3704780..4f58cbe 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
@@ -345,14 +345,14 @@
      * At this point, if the caller specifies count > 1, it is not expected that any TEE will be
      * able to enforce this feature in the hardware due to limited resources of secure
      * storage. In this case, the tag with the value of maximum usage must be added to the key
-     * characteristics with SecurityLevel::SOFTWARE by the IKeyMintDevice.
+     * characteristics with SecurityLevel::KEYSTORE by the IKeyMintDevice.
      *
      * On the other hand, if the caller specifies count = 1, some TEEs may have the ability
      * to enforce this feature in the hardware with its secure storage. If the IKeyMintDevice
      * implementation can enforce this feature, the tag with value = 1 must be added to the key
      * characteristics with the SecurityLevel of the IKeyMintDevice. If the IKeyMintDevice can't
      * enforce this feature even when the count = 1, the tag must be added to the key
-     * characteristics with the SecurityLevel::SOFTWARE.
+     * characteristics with the SecurityLevel::KEYSTORE.
      *
      * When the key is attested, this tag with the same value must also be added to the attestation
      * record. This tag must have the same SecurityLevel as the tag that is added to the key
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
index 766c02d..6555157 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.cpp
@@ -55,6 +55,9 @@
     for (auto& entry : key_characteristics) {
         if (entry.authorizations.empty()) return false;
 
+        // Just ignore the SecurityLevel::KEYSTORE as the KM won't do any enforcement on this.
+        if (entry.securityLevel == SecurityLevel::KEYSTORE) continue;
+
         if (levels_seen.find(entry.securityLevel) != levels_seen.end()) return false;
         levels_seen.insert(entry.securityLevel);
 
@@ -824,22 +827,36 @@
     return (found == key_characteristics.end()) ? kEmptyAuthList : found->authorizations;
 }
 
-const vector<KeyParameter>& KeyMintAidlTestBase::HwEnforcedAuthorizations(
-        const vector<KeyCharacteristics>& key_characteristics) {
-    auto found =
-            std::find_if(key_characteristics.begin(), key_characteristics.end(), [](auto& entry) {
-                return entry.securityLevel == SecurityLevel::STRONGBOX ||
-                       entry.securityLevel == SecurityLevel::TRUSTED_ENVIRONMENT;
-            });
+const vector<KeyParameter>& KeyMintAidlTestBase::SecLevelAuthorizations(
+        const vector<KeyCharacteristics>& key_characteristics, SecurityLevel securityLevel) {
+    auto found = std::find_if(
+            key_characteristics.begin(), key_characteristics.end(),
+            [securityLevel](auto& entry) { return entry.securityLevel == securityLevel; });
     return (found == key_characteristics.end()) ? kEmptyAuthList : found->authorizations;
 }
 
-const vector<KeyParameter>& KeyMintAidlTestBase::SwEnforcedAuthorizations(
+AuthorizationSet KeyMintAidlTestBase::HwEnforcedAuthorizations(
         const vector<KeyCharacteristics>& key_characteristics) {
-    auto found = std::find_if(
-            key_characteristics.begin(), key_characteristics.end(),
-            [](auto& entry) { return entry.securityLevel == SecurityLevel::SOFTWARE; });
-    return (found == key_characteristics.end()) ? kEmptyAuthList : found->authorizations;
+    AuthorizationSet authList;
+    for (auto& entry : key_characteristics) {
+        if (entry.securityLevel == SecurityLevel::STRONGBOX ||
+            entry.securityLevel == SecurityLevel::TRUSTED_ENVIRONMENT) {
+            authList.push_back(AuthorizationSet(entry.authorizations));
+        }
+    }
+    return authList;
+}
+
+AuthorizationSet KeyMintAidlTestBase::SwEnforcedAuthorizations(
+        const vector<KeyCharacteristics>& key_characteristics) {
+    AuthorizationSet authList;
+    for (auto& entry : key_characteristics) {
+        if (entry.securityLevel == SecurityLevel::SOFTWARE ||
+            entry.securityLevel == SecurityLevel::KEYSTORE) {
+            authList.push_back(AuthorizationSet(entry.authorizations));
+        }
+    }
+    return authList;
 }
 
 }  // namespace test
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
index c1a1dd9..780971d 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -175,9 +175,12 @@
     inline const vector<KeyParameter>& SecLevelAuthorizations() {
         return SecLevelAuthorizations(key_characteristics_);
     }
-    const vector<KeyParameter>& HwEnforcedAuthorizations(
+    const vector<KeyParameter>& SecLevelAuthorizations(
+            const vector<KeyCharacteristics>& key_characteristics, SecurityLevel securityLevel);
+
+    AuthorizationSet HwEnforcedAuthorizations(
             const vector<KeyCharacteristics>& key_characteristics);
-    const vector<KeyParameter>& SwEnforcedAuthorizations(
+    AuthorizationSet SwEnforcedAuthorizations(
             const vector<KeyCharacteristics>& key_characteristics);
 
   private:
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index c876440..c849bad 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -646,6 +646,61 @@
 }
 
 /*
+ * NewKeyGenerationTest.LimitedUsageRsaWithAttestation
+ *
+ * Verifies that KeyMint can generate all required RSA key sizes with limited usage, and that the
+ * resulting keys have correct characteristics and attestation.
+ */
+TEST_P(NewKeyGenerationTest, LimitedUsageRsaWithAttestation) {
+    for (auto key_size : ValidKeySizes(Algorithm::RSA)) {
+        auto challenge = "hello";
+        auto app_id = "foo";
+
+        vector<uint8_t> key_blob;
+        vector<KeyCharacteristics> key_characteristics;
+        ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                                     .RsaSigningKey(key_size, 65537)
+                                                     .Digest(Digest::NONE)
+                                                     .Padding(PaddingMode::NONE)
+                                                     .AttestationChallenge(challenge)
+                                                     .AttestationApplicationId(app_id)
+                                                     .Authorization(TAG_NO_AUTH_REQUIRED)
+                                                     .Authorization(TAG_USAGE_COUNT_LIMIT, 1),
+                                             &key_blob, &key_characteristics));
+
+        ASSERT_GT(key_blob.size(), 0U);
+        CheckBaseParams(key_characteristics);
+
+        AuthorizationSet crypto_params = SecLevelAuthorizations(key_characteristics);
+
+        EXPECT_TRUE(crypto_params.Contains(TAG_ALGORITHM, Algorithm::RSA));
+        EXPECT_TRUE(crypto_params.Contains(TAG_KEY_SIZE, key_size))
+                << "Key size " << key_size << "missing";
+        EXPECT_TRUE(crypto_params.Contains(TAG_RSA_PUBLIC_EXPONENT, 65537U));
+
+        // Check the usage count limit tag appears in the authorizations.
+        AuthorizationSet auths;
+        for (auto& entry : key_characteristics) {
+            auths.push_back(AuthorizationSet(entry.authorizations));
+        }
+        EXPECT_TRUE(auths.Contains(TAG_USAGE_COUNT_LIMIT, 1U))
+                << "key usage count limit " << 1U << " missing";
+
+        // Check the usage count limit tag also appears in the attestation.
+        EXPECT_TRUE(verify_chain(cert_chain_));
+        ASSERT_GT(cert_chain_.size(), 0);
+
+        AuthorizationSet hw_enforced = HwEnforcedAuthorizations(key_characteristics);
+        AuthorizationSet sw_enforced = SwEnforcedAuthorizations(key_characteristics);
+        EXPECT_TRUE(verify_attestation_record(challenge, app_id,  //
+                                              sw_enforced, hw_enforced, SecLevel(),
+                                              cert_chain_[0].encodedCertificate));
+
+        CheckedDeleteKey(&key_blob);
+    }
+}
+
+/*
  * NewKeyGenerationTest.NoInvalidRsaSizes
  *
  * Verifies that keymint cannot generate any RSA key sizes that are designated as invalid.
@@ -4297,11 +4352,11 @@
 typedef KeyMintAidlTestBase UsageCountLimitTest;
 
 /*
- * UsageCountLimitTest.TestLimitAes
+ * UsageCountLimitTest.TestSingleUseAes
  *
- * Verifies that the usage count limit tag works correctly with AES keys.
+ * Verifies that the usage count limit tag = 1 works correctly with AES keys.
  */
-TEST_P(UsageCountLimitTest, TestLimitAes) {
+TEST_P(UsageCountLimitTest, TestSingleUseAes) {
     if (SecLevel() == SecurityLevel::STRONGBOX) return;
 
     ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
@@ -4322,31 +4377,75 @@
     string message = "1234567890123456";
     auto params = AuthorizationSetBuilder().EcbMode().Padding(PaddingMode::NONE);
 
+    AuthorizationSet hardware_auths = HwEnforcedAuthorizations(key_characteristics_);
+    AuthorizationSet keystore_auths =
+            SecLevelAuthorizations(key_characteristics_, SecurityLevel::KEYSTORE);
+
     // First usage of AES key should work.
     EncryptMessage(message, params);
 
-    AuthorizationSet hardware_auths;
-    for (auto& entry : key_characteristics_) {
-        if (entry.securityLevel != SecurityLevel::SOFTWARE) {
-            auths.push_back(AuthorizationSet(entry.authorizations));
-        }
-    }
     if (hardware_auths.Contains(TAG_USAGE_COUNT_LIMIT, 1U)) {
         // Usage count limit tag is enforced by hardware. After using the key, the key blob
         // must be invalidated from secure storage (such as RPMB partition).
         EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, Begin(KeyPurpose::ENCRYPT, params));
     } else {
-        // Usage count limit tag is enforced by software, keymint does nothing.
+        // Usage count limit tag is enforced by keystore, keymint does nothing.
+        EXPECT_TRUE(keystore_auths.Contains(TAG_USAGE_COUNT_LIMIT, 1U));
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params));
     }
 }
 
 /*
- * UsageCountLimitTest.TestLimitRsa
+ * UsageCountLimitTest.TestLimitedUseAes
  *
- * Verifies that the usage count limit tag works correctly with RSA keys.
+ * Verifies that the usage count limit tag > 1 works correctly with AES keys.
  */
-TEST_P(UsageCountLimitTest, TestLimitRsa) {
+TEST_P(UsageCountLimitTest, TestLimitedUseAes) {
+    if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                                 .Authorization(TAG_NO_AUTH_REQUIRED)
+                                                 .AesEncryptionKey(128)
+                                                 .EcbMode()
+                                                 .Padding(PaddingMode::NONE)
+                                                 .Authorization(TAG_USAGE_COUNT_LIMIT, 3)));
+
+    // Check the usage count limit tag appears in the authorizations.
+    AuthorizationSet auths;
+    for (auto& entry : key_characteristics_) {
+        auths.push_back(AuthorizationSet(entry.authorizations));
+    }
+    EXPECT_TRUE(auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U))
+            << "key usage count limit " << 3U << " missing";
+
+    string message = "1234567890123456";
+    auto params = AuthorizationSetBuilder().EcbMode().Padding(PaddingMode::NONE);
+
+    AuthorizationSet hardware_auths = HwEnforcedAuthorizations(key_characteristics_);
+    AuthorizationSet keystore_auths =
+            SecLevelAuthorizations(key_characteristics_, SecurityLevel::KEYSTORE);
+
+    EncryptMessage(message, params);
+    EncryptMessage(message, params);
+    EncryptMessage(message, params);
+
+    if (hardware_auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U)) {
+        // Usage count limit tag is enforced by hardware. After using the key, the key blob
+        // must be invalidated from secure storage (such as RPMB partition).
+        EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, Begin(KeyPurpose::ENCRYPT, params));
+    } else {
+        // Usage count limit tag is enforced by keystore, keymint does nothing.
+        EXPECT_TRUE(keystore_auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U));
+        EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, params));
+    }
+}
+
+/*
+ * UsageCountLimitTest.TestSingleUseRsa
+ *
+ * Verifies that the usage count limit tag = 1 works correctly with RSA keys.
+ */
+TEST_P(UsageCountLimitTest, TestSingleUseRsa) {
     if (SecLevel() == SecurityLevel::STRONGBOX) return;
 
     ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
@@ -4366,22 +4465,64 @@
     string message = "1234567890123456";
     auto params = AuthorizationSetBuilder().NoDigestOrPadding();
 
+    AuthorizationSet hardware_auths = HwEnforcedAuthorizations(key_characteristics_);
+    AuthorizationSet keystore_auths =
+            SecLevelAuthorizations(key_characteristics_, SecurityLevel::KEYSTORE);
+
     // First usage of RSA key should work.
     SignMessage(message, params);
 
-    AuthorizationSet hardware_auths;
-    for (auto& entry : key_characteristics_) {
-        if (entry.securityLevel != SecurityLevel::SOFTWARE) {
-            auths.push_back(AuthorizationSet(entry.authorizations));
-        }
-    }
-
     if (hardware_auths.Contains(TAG_USAGE_COUNT_LIMIT, 1U)) {
         // Usage count limit tag is enforced by hardware. After using the key, the key blob
         // must be invalidated from secure storage (such as RPMB partition).
         EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, Begin(KeyPurpose::SIGN, params));
     } else {
-        // Usage count limit tag is enforced by software, keymint does nothing.
+        // Usage count limit tag is enforced by keystore, keymint does nothing.
+        EXPECT_TRUE(keystore_auths.Contains(TAG_USAGE_COUNT_LIMIT, 1U));
+        EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::SIGN, params));
+    }
+}
+
+/*
+ * UsageCountLimitTest.TestLimitUseRsa
+ *
+ * Verifies that the usage count limit tag > 1 works correctly with RSA keys.
+ */
+TEST_P(UsageCountLimitTest, TestLimitUseRsa) {
+    if (SecLevel() == SecurityLevel::STRONGBOX) return;
+
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                                 .Authorization(TAG_NO_AUTH_REQUIRED)
+                                                 .RsaSigningKey(1024, 65537)
+                                                 .NoDigestOrPadding()
+                                                 .Authorization(TAG_USAGE_COUNT_LIMIT, 3)));
+
+    // Check the usage count limit tag appears in the authorizations.
+    AuthorizationSet auths;
+    for (auto& entry : key_characteristics_) {
+        auths.push_back(AuthorizationSet(entry.authorizations));
+    }
+    EXPECT_TRUE(auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U))
+            << "key usage count limit " << 3U << " missing";
+
+    string message = "1234567890123456";
+    auto params = AuthorizationSetBuilder().NoDigestOrPadding();
+
+    AuthorizationSet hardware_auths = HwEnforcedAuthorizations(key_characteristics_);
+    AuthorizationSet keystore_auths =
+            SecLevelAuthorizations(key_characteristics_, SecurityLevel::KEYSTORE);
+
+    SignMessage(message, params);
+    SignMessage(message, params);
+    SignMessage(message, params);
+
+    if (hardware_auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U)) {
+        // Usage count limit tag is enforced by hardware. After using the key, the key blob
+        // must be invalidated from secure storage (such as RPMB partition).
+        EXPECT_EQ(ErrorCode::INVALID_KEY_BLOB, Begin(KeyPurpose::SIGN, params));
+    } else {
+        // Usage count limit tag is enforced by keystore, keymint does nothing.
+        EXPECT_TRUE(keystore_auths.Contains(TAG_USAGE_COUNT_LIMIT, 3U));
         EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::SIGN, params));
     }
 }
diff --git a/security/keymint/support/attestation_record.cpp b/security/keymint/support/attestation_record.cpp
index 596b097..a48f770 100644
--- a/security/keymint/support/attestation_record.cpp
+++ b/security/keymint/support/attestation_record.cpp
@@ -97,6 +97,7 @@
     ASN1_NULL* device_unique_attestation;
     ASN1_NULL* storage_key;
     ASN1_NULL* identity_credential;
+    ASN1_INTEGER* usage_count_limit;
 } KM_AUTH_LIST;
 
 ASN1_SEQUENCE(KM_AUTH_LIST) = {
@@ -143,7 +144,8 @@
         ASN1_EXP_OPT(KM_AUTH_LIST, storage_key, ASN1_NULL, TAG_STORAGE_KEY.maskedTag()),
         ASN1_EXP_OPT(KM_AUTH_LIST, identity_credential, ASN1_NULL,
                      TAG_IDENTITY_CREDENTIAL_KEY.maskedTag()),
-
+        ASN1_EXP_OPT(KM_AUTH_LIST, usage_count_limit, ASN1_INTEGER,
+                     TAG_USAGE_COUNT_LIMIT.maskedTag()),
 } ASN1_SEQUENCE_END(KM_AUTH_LIST);
 IMPLEMENT_ASN1_FUNCTIONS(KM_AUTH_LIST);
 
@@ -285,6 +287,7 @@
     copyAuthTag(record->device_unique_attestation, TAG_DEVICE_UNIQUE_ATTESTATION, auth_list);
     copyAuthTag(record->storage_key, TAG_STORAGE_KEY, auth_list);
     copyAuthTag(record->identity_credential, TAG_IDENTITY_CREDENTIAL_KEY, auth_list);
+    copyAuthTag(record->usage_count_limit, TAG_USAGE_COUNT_LIMIT, auth_list);
 
     return ErrorCode::OK;
 }
diff --git a/sensors/common/default/2.X/Sensor.cpp b/sensors/common/default/2.X/Sensor.cpp
index 642fc89..1a7c628 100644
--- a/sensors/common/default/2.X/Sensor.cpp
+++ b/sensors/common/default/2.X/Sensor.cpp
@@ -313,7 +313,7 @@
     mSensorInfo.maxRange = 1000.0f * M_PI / 180.0f;
     mSensorInfo.resolution = 1000.0f * M_PI / (180.0f * 32768.0f);
     mSensorInfo.power = 0.001f;
-    mSensorInfo.minDelay = 2.5f * 1000;  // microseconds
+    mSensorInfo.minDelay = 10 * 1000;  // microseconds
     mSensorInfo.maxDelay = kDefaultMaxDelayUs;
     mSensorInfo.fifoReservedEventCount = 0;
     mSensorInfo.fifoMaxEventCount = 0;
diff --git a/tetheroffload/control/1.1/IOffloadControl.hal b/tetheroffload/control/1.1/IOffloadControl.hal
index eb5b8a1..2eb54c8 100644
--- a/tetheroffload/control/1.1/IOffloadControl.hal
+++ b/tetheroffload/control/1.1/IOffloadControl.hal
@@ -37,11 +37,9 @@
      * offload is started. This is because the quota values would likely become stale over
      * time and would not reflect any new traffic that has occurred.
      *
-     * This API replaces {@link @1.0::IOffloadControl::setDataLimit}, the framework would always
-     * calls this API if 1.1 HAL is supported. Otherwise, calls the other one. Thus, no
-     * interaction between the two APIs need to be addressed. However, the hardware implementation
-     * still needs to keep functionality of both in case of shipping with older framework that
-     * doesn't support 1.1 HAL.
+     * This API replaces {@link @1.0::IOffloadControl::setDataLimit}, the framework will always
+     * call setDataWarningAndLimit on 1.1 implementations, and setDataLimit on 1.0 implementations.
+     * Thus, no interaction between the two APIs need to be addressed.
      *
      * The specified quota bytes MUST replace any previous quotas set by
      * {@code setDataWarningAndLimit} specified on the same interface. It may be interpreted as
diff --git a/tv/cec/2.0/Android.bp b/tv/cec/2.0/Android.bp
deleted file mode 100644
index 5463b6d..0000000
--- a/tv/cec/2.0/Android.bp
+++ /dev/null
@@ -1,16 +0,0 @@
-// This file is autogenerated by hidl-gen -Landroidbp.
-
-hidl_interface {
-    name: "android.hardware.tv.cec@2.0",
-    root: "android.hardware",
-    srcs: [
-        "types.hal",
-        "IHdmiCec.hal",
-        "IHdmiCecCallback.hal",
-    ],
-    interfaces: [
-        "android.hidl.base@1.0",
-        "android.hidl.safe_union@1.0",
-    ],
-    gen_java: true,
-}
diff --git a/tv/cec/2.0/IHdmiCec.hal b/tv/cec/2.0/IHdmiCec.hal
deleted file mode 100644
index 0723bad..0000000
--- a/tv/cec/2.0/IHdmiCec.hal
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Copyright (C) 2019 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.tv.cec@2.0;
-
-import IHdmiCecCallback;
-
-/**
- * HDMI-CEC HAL interface definition.
- */
-interface IHdmiCec {
-    /**
-     * Passes Primary Device Type that must be used in this system.
-     *
-     * HAL must use it to allocate logical address as specified in CEC section
-     * 11.3.2 of the CEC spec 2.0b. Then CEC commands addressed the given
-     * logical address can be filtered in.
-     * This method shall be able to be called up to twice to support two Primary
-     * Device Type as specified in CEC Table 11-8 of the CEC spec 2.0b.
-     *
-     * @param deviceType that must be used in this system. It must be a valid
-     *        value in CecDeviceType for the call to succeed.
-     * @return result Result status of the operation. SUCCESS if successful,
-     *         FAILURE_INVALID_ARGS if the given device type is invalid,
-     *         FAILURE_BUSY if device or resource is busy
-     */
-    @callflow(next={"*"})
-    addDeviceType(CecDeviceType deviceType) generates (Result result);
-
-    /**
-     * Clears all Primary Device Types.
-     *
-     * It is used when the system plan to reconfigure Primary Device Type,
-     * hence to tell HAL to release all logical address associated to them,
-     * and change the state back to the beginning.
-     */
-    @callflow(next="addDeviceType")
-    @exit
-    clearDeviceTypes();
-
-    /**
-     * Set All Device Types for a Primary Device Type.
-     *
-     * This value must be used in REPORT_FEATURES message to response
-     * GIVE_FEATURES message in HAL.
-     *
-     * @param allDeviceTypes device all device types for a Primary Device Type.
-     */
-    @callflow(next="addDeviceType")
-    setAllDeviceTypes(CecAllDeviceTypes allDeviceTypes);
-
-    /**
-     * Set Device Features for a Primary Device Type.
-     *
-     * This value must be used in REPORT_FEATURES message to response
-     * GIVE_FEATURES message in HAL.
-     *
-     * @param deviceType The device Primary Device Type.
-     * @param deviceFeatures device features for a Primary Device Type.
-     */
-    @callflow(next="addDeviceType")
-    setDeviceFeatures(CecDeviceType deviceType,
-                      CecDeviceFeatures deviceFeatures);
-
-    /**
-     * Set Remote Control Profile for a Primary Device Type.
-     *
-     * This value must be used in REPORT_FEATURES message to response
-     * GIVE_FEATURES message in HAL.
-     *
-     * @param deviceType The device Primary Device Type.
-     * @param rcProliles remote control profiles for a Primary Device Type.
-     */
-    @callflow(next="addDeviceType")
-    setRcProfile(CecDeviceType deviceType, CecRcProfile rcProfile);
-
-    /**
-     * Retrieve CEC device information.
-     *
-     * CEC section 11.3 of the CEC spec 2.0b specify that a device should not
-     * ask for static information that another device has already supplied.
-     * Therefore, CEC 2.0 software stack need a map to store all cec
-     * devices’ information of current CEC network.
-     * The device information is broadcasted by a device after it allocates a
-     * logical address.  Messages used to send out these information are
-     * REPORT_FEATURES, REPORT_PHYSICAL_ADDRESS, DEVICE_VENDOR_ID.
-     * The spec also requires less than 1 second between REPORT_FEATURES and
-     * REPORT_PHYSICAL_ADDRESS message, and less than 2 second between
-     * REPORT_PHYSICAL_ADDRESS and DEVICE_VENDOR_ID. An Implementation of
-     * device information map in hal can help to meet the timing constraints.
-     * Logical addressing is part of the process to build this map, so the
-     * implementation shall include allocating logical address too.
-     * Whenever a device plug/unplug, the topology of CEC network changes.
-     * The hal implementation shall update devices’ information map, and
-     * send out onTopologyEvent to Android system. Then Android system
-     * will use readDeviceInfo to retreive latest devices’ information of CEC
-     * network.
-     * If SYSTEM_CEC_CONTROL is false, the hal implementation need continue to
-     * maintain and update device information map, and send out pending
-     * onTopologyEvent to Android system when SYSTEM_CEC_CONTROL is
-     * changed to true.
-     *
-     * @param logicalAddress logical address of CEC device.
-     * @param physicalAddress physical address of CEC device.
-     * @return CecDeviceInfo from device information map.
-     * @return result Result status of the operation. SUCCESS if successful,
-     *         FAILURE_INVALID_ARGS if logical or physical address is invalid.
-     *         FAILURE_INVALID_STATE if device information isn't available yet.
-     */
-    @callflow(next="onTopologyChangeEvent")
-    readDeviceInfo(CecLogicalAddress logicalAddress,
-                   CecPhysicalAddress physicalAddress)
-        generates (Result result, CecDeviceInfo deviceInfo);
-
-   /**
-     * Transmits HDMI-CEC message to other HDMI device.
-     *
-     * The method must be designed to return in a certain amount of time and not
-     * hanging forever. This method MUST complete with in 1 second.
-     *
-     * It must try retransmission at least once as specified in the section '7.1
-     * Frame Re-transmissions' of the CEC Spec 1.4b.
-     *
-     * @param message CEC message to be sent to other HDMI device.
-     * @return result Result status of the operation. SUCCESS if successful,
-     *         NACK if the sent message is not acknowledged,
-     *         BUSY if the CEC bus is busy.
-     */
-    @callflow(next="*")
-    sendMessage(CecMessage message) generates (SendMessageResult result);
-
-    /**
-     * Set the callback
-     *
-     * It is used by the framework to receive CecMessages, HDMI hotplug event
-     * and topology update event. Only one callback client is supported.
-     *
-     * @param callback Callback object to pass hdmi events to the system. The
-     *        previously registered callback must be replaced with this one.
-     */
-    @callflow(next={"*"})
-    @entry
-    setCallback(IHdmiCecCallback callback);
-
-   /**
-     * Gets the hdmi port information of underlying hardware.
-     *
-     * @return infos The list of HDMI port information
-     */
-    @callflow(next={"*"})
-    getPortInfo() generates (vec<HdmiPortInfo> infos);
-
-    /**
-     * Sets flags controlling the way HDMI-CEC service works down to HAL
-     * implementation. Those flags must be used in case the feature needs update
-     * in HAL itself, firmware or microcontroller.
-     *
-     * @param key The key of the option to be updated with a new value.
-     * @param value Value to be set.
-     */
-    @callflow(next="*")
-    setOption(OptionKey key, bool value);
-
-    /**
-     * Passes the updated language information of Android system. Contains
-     * three-letter code as defined in ISO/FDIS 639-2. Must be used for HAL to
-     * respond to <Get Menu Language> while in standby mode.
-     *
-     * @param language Three-letter code defined in ISO/FDIS 639-2. Must be
-     *        lowercase letters. (e.g., eng for English)
-     */
-    @callflow(next="*")
-    setLanguage(string language);
-
-    /**
-     * Configures ARC circuit in the hardware logic to start or stop the
-     * feature.
-     *
-     * @param portId Port id to be configured.
-     * @param enable Flag must be either true to start the feature or false to
-     *        stop it.
-     */
-    @callflow(next="*")
-    enableAudioReturnChannel(HdmiPortId portId, bool enable);
-
-    /**
-     * Gets the connection status of the specified port.
-     *
-     * It's specified in CEC section 10.8 of the CEC spec 2.0b
-     *
-     * @param portId Port id to be inspected for the connection status.
-     * @return status True if a device is connected, otherwise false.
-     */
-    @callflow(next="*")
-    isConnected(HdmiPortId portId) generates (bool connected);
-};
diff --git a/tv/cec/2.0/IHdmiCecCallback.hal b/tv/cec/2.0/IHdmiCecCallback.hal
deleted file mode 100644
index 1a8a489..0000000
--- a/tv/cec/2.0/IHdmiCecCallback.hal
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2019 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.tv.cec@2.0;
-
-interface IHdmiCecCallback {
-    /**
-     * The callback function that must be called by HAL implementation to notify
-     * the system of new CEC message arrival.
-     */
-    oneway onCecMessage(CecMessage message);
-
-    /**
-     * The callback function that must be called by HAL implementation to notify
-     * the system of new hotplug event.
-     */
-    oneway onHotplugEvent(HotplugEvent event);
-
-    /**
-     * The callback function must be called by HAL implementation to notify the
-     * system whenever CEC device information of CEC network change.
-     * HAL shall be ready for readDeviceInfo call before invoke this callback.
-     * This event is triggered by topology change of whole CEC network. It's
-     * different from HotplugEvent which is triggered between devices which are
-     * connected directly through HDMI cable.
-     */
-    oneway onTopologyEvent(CecTopologyEvent event);
-};
diff --git a/tv/cec/2.0/default/Android.bp b/tv/cec/2.0/default/Android.bp
deleted file mode 100644
index d3d5342..0000000
--- a/tv/cec/2.0/default/Android.bp
+++ /dev/null
@@ -1,40 +0,0 @@
-cc_library_shared {
-    name: "android.hardware.tv.cec@2.0-impl",
-    defaults: ["hidl_defaults"],
-    vendor: true,
-    relative_install_path: "hw",
-    srcs: ["HdmiCec.cpp"],
-
-    shared_libs: [
-        "libhidlbase",
-        "liblog",
-        "libbase",
-        "libutils",
-        "libhardware",
-        "android.hardware.tv.cec@2.0",
-    ],
-
-}
-
-cc_binary {
-    name: "android.hardware.tv.cec@2.0-service",
-    vintf_fragments: ["android.hardware.tv.cec@2.0-service.xml"],
-    defaults: ["hidl_defaults"],
-    relative_install_path: "hw",
-    vendor: true,
-    init_rc: ["android.hardware.tv.cec@2.0-service.rc"],
-    srcs: ["service.cpp"],
-
-    shared_libs: [
-        "liblog",
-        "libcutils",
-        "libdl",
-        "libbase",
-        "libutils",
-        "libhardware_legacy",
-        "libhardware",
-        "libhidlbase",
-        "android.hardware.tv.cec@2.0",
-    ],
-
-}
diff --git a/tv/cec/2.0/default/HdmiCec.cpp b/tv/cec/2.0/default/HdmiCec.cpp
deleted file mode 100644
index f451719..0000000
--- a/tv/cec/2.0/default/HdmiCec.cpp
+++ /dev/null
@@ -1,421 +0,0 @@
-/*
- * Copyright (C) 2019 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 "android.hardware.tv.cec@2.0-impl"
-#include <android-base/logging.h>
-
-#include <hardware/hardware.h>
-#include <hardware/hdmi_cec.h>
-#include "HdmiCec.h"
-
-namespace android {
-namespace hardware {
-namespace tv {
-namespace cec {
-namespace V2_0 {
-namespace implementation {
-
-static_assert(CEC_DEVICE_INACTIVE == static_cast<int>(CecDeviceType::INACTIVE),
-              "CecDeviceType::INACTIVE must match legacy value.");
-static_assert(CEC_DEVICE_TV == static_cast<int>(CecDeviceType::TV),
-              "CecDeviceType::TV must match legacy value.");
-static_assert(CEC_DEVICE_RECORDER == static_cast<int>(CecDeviceType::RECORDER),
-              "CecDeviceType::RECORDER must match legacy value.");
-static_assert(CEC_DEVICE_TUNER == static_cast<int>(CecDeviceType::TUNER),
-              "CecDeviceType::TUNER must match legacy value.");
-static_assert(CEC_DEVICE_PLAYBACK == static_cast<int>(CecDeviceType::PLAYBACK),
-              "CecDeviceType::PLAYBACK must match legacy value.");
-static_assert(CEC_DEVICE_AUDIO_SYSTEM == static_cast<int>(CecDeviceType::AUDIO_SYSTEM),
-              "CecDeviceType::AUDIO_SYSTEM must match legacy value.");
-/* TODO: Adjust for cec@2.0
-static_assert(CEC_DEVICE_MAX == static_cast<int>(CecDeviceType::MAX),
-        "CecDeviceType::MAX must match legacy value.");
-*/
-static_assert(CEC_ADDR_TV == static_cast<int>(CecLogicalAddress::TV),
-              "CecLogicalAddress::TV must match legacy value.");
-static_assert(CEC_ADDR_RECORDER_1 == static_cast<int>(CecLogicalAddress::RECORDER_1),
-              "CecLogicalAddress::RECORDER_1 must match legacy value.");
-static_assert(CEC_ADDR_RECORDER_2 == static_cast<int>(CecLogicalAddress::RECORDER_2),
-              "CecLogicalAddress::RECORDER_2 must match legacy value.");
-static_assert(CEC_ADDR_TUNER_1 == static_cast<int>(CecLogicalAddress::TUNER_1),
-              "CecLogicalAddress::TUNER_1 must match legacy value.");
-static_assert(CEC_ADDR_PLAYBACK_1 == static_cast<int>(CecLogicalAddress::PLAYBACK_1),
-              "CecLogicalAddress::PLAYBACK_1 must match legacy value.");
-static_assert(CEC_ADDR_AUDIO_SYSTEM == static_cast<int>(CecLogicalAddress::AUDIO_SYSTEM),
-              "CecLogicalAddress::AUDIO_SYSTEM must match legacy value.");
-static_assert(CEC_ADDR_TUNER_2 == static_cast<int>(CecLogicalAddress::TUNER_2),
-              "CecLogicalAddress::TUNER_2 must match legacy value.");
-static_assert(CEC_ADDR_TUNER_3 == static_cast<int>(CecLogicalAddress::TUNER_3),
-              "CecLogicalAddress::TUNER_3 must match legacy value.");
-static_assert(CEC_ADDR_PLAYBACK_2 == static_cast<int>(CecLogicalAddress::PLAYBACK_2),
-              "CecLogicalAddress::PLAYBACK_2 must match legacy value.");
-static_assert(CEC_ADDR_RECORDER_3 == static_cast<int>(CecLogicalAddress::RECORDER_3),
-              "CecLogicalAddress::RECORDER_3 must match legacy value.");
-static_assert(CEC_ADDR_TUNER_4 == static_cast<int>(CecLogicalAddress::TUNER_4),
-              "CecLogicalAddress::TUNER_4 must match legacy value.");
-static_assert(CEC_ADDR_PLAYBACK_3 == static_cast<int>(CecLogicalAddress::PLAYBACK_3),
-              "CecLogicalAddress::PLAYBACK_3 must match legacy value.");
-/* TODO: Adjust for cec@2.0
-static_assert(CEC_ADDR_FREE_USE == static_cast<int>(CecLogicalAddress::FREE_USE),
-        "CecLogicalAddress::FREE_USE must match legacy value.");
-*/
-static_assert(CEC_ADDR_UNREGISTERED == static_cast<int>(CecLogicalAddress::UNREGISTERED),
-              "CecLogicalAddress::UNREGISTERED must match legacy value.");
-static_assert(CEC_ADDR_BROADCAST == static_cast<int>(CecLogicalAddress::BROADCAST),
-              "CecLogicalAddress::BROADCAST must match legacy value.");
-
-static_assert(CEC_MESSAGE_FEATURE_ABORT == static_cast<int>(CecMessageType::FEATURE_ABORT),
-              "CecMessageType::FEATURE_ABORT must match legacy value.");
-static_assert(CEC_MESSAGE_IMAGE_VIEW_ON == static_cast<int>(CecMessageType::IMAGE_VIEW_ON),
-              "CecMessageType::IMAGE_VIEW_ON must match legacy value.");
-static_assert(CEC_MESSAGE_TUNER_STEP_INCREMENT ==
-                      static_cast<int>(CecMessageType::TUNER_STEP_INCREMENT),
-              "CecMessageType::TUNER_STEP_INCREMENT must match legacy value.");
-static_assert(CEC_MESSAGE_TUNER_STEP_DECREMENT ==
-                      static_cast<int>(CecMessageType::TUNER_STEP_DECREMENT),
-              "CecMessageType::TUNER_STEP_DECREMENT must match legacy value.");
-static_assert(CEC_MESSAGE_TUNER_DEVICE_STATUS ==
-                      static_cast<int>(CecMessageType::TUNER_DEVICE_STATUS),
-              "CecMessageType::TUNER_DEVICE_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_TUNER_DEVICE_STATUS ==
-                      static_cast<int>(CecMessageType::GIVE_TUNER_DEVICE_STATUS),
-              "CecMessageType::GIVE_TUNER_DEVICE_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_RECORD_ON == static_cast<int>(CecMessageType::RECORD_ON),
-              "CecMessageType::RECORD_ON must match legacy value.");
-static_assert(CEC_MESSAGE_RECORD_STATUS == static_cast<int>(CecMessageType::RECORD_STATUS),
-              "CecMessageType::RECORD_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_RECORD_OFF == static_cast<int>(CecMessageType::RECORD_OFF),
-              "CecMessageType::RECORD_OFF must match legacy value.");
-static_assert(CEC_MESSAGE_TEXT_VIEW_ON == static_cast<int>(CecMessageType::TEXT_VIEW_ON),
-              "CecMessageType::TEXT_VIEW_ON must match legacy value.");
-static_assert(CEC_MESSAGE_RECORD_TV_SCREEN == static_cast<int>(CecMessageType::RECORD_TV_SCREEN),
-              "CecMessageType::RECORD_TV_SCREEN must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_DECK_STATUS == static_cast<int>(CecMessageType::GIVE_DECK_STATUS),
-              "CecMessageType::GIVE_DECK_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_STANDBY == static_cast<int>(CecMessageType::STANDBY),
-              "CecMessageType::STANDBY must match legacy value.");
-static_assert(CEC_MESSAGE_PLAY == static_cast<int>(CecMessageType::PLAY),
-              "CecMessageType::PLAY must match legacy value.");
-static_assert(CEC_MESSAGE_DECK_CONTROL == static_cast<int>(CecMessageType::DECK_CONTROL),
-              "CecMessageType::DECK_CONTROL must match legacy value.");
-static_assert(CEC_MESSAGE_TIMER_CLEARED_STATUS ==
-                      static_cast<int>(CecMessageType::TIMER_CLEARED_STATUS),
-              "CecMessageType::TIMER_CLEARED_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_USER_CONTROL_PRESSED ==
-                      static_cast<int>(CecMessageType::USER_CONTROL_PRESSED),
-              "CecMessageType::USER_CONTROL_PRESSED must match legacy value.");
-static_assert(CEC_MESSAGE_USER_CONTROL_RELEASED ==
-                      static_cast<int>(CecMessageType::USER_CONTROL_RELEASED),
-              "CecMessageType::USER_CONTROL_RELEASED must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_OSD_NAME == static_cast<int>(CecMessageType::GIVE_OSD_NAME),
-              "CecMessageType::GIVE_OSD_NAME must match legacy value.");
-static_assert(CEC_MESSAGE_SET_OSD_NAME == static_cast<int>(CecMessageType::SET_OSD_NAME),
-              "CecMessageType::SET_OSD_NAME must match legacy value.");
-static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_REQUEST ==
-                      static_cast<int>(CecMessageType::SYSTEM_AUDIO_MODE_REQUEST),
-              "CecMessageType::SYSTEM_AUDIO_MODE_REQUEST must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_AUDIO_STATUS == static_cast<int>(CecMessageType::GIVE_AUDIO_STATUS),
-              "CecMessageType::GIVE_AUDIO_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_SET_SYSTEM_AUDIO_MODE ==
-                      static_cast<int>(CecMessageType::SET_SYSTEM_AUDIO_MODE),
-              "CecMessageType::SET_SYSTEM_AUDIO_MODE must match legacy value.");
-static_assert(CEC_MESSAGE_REPORT_AUDIO_STATUS ==
-                      static_cast<int>(CecMessageType::REPORT_AUDIO_STATUS),
-              "CecMessageType::REPORT_AUDIO_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_SYSTEM_AUDIO_MODE_STATUS ==
-                      static_cast<int>(CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS),
-              "CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_STATUS ==
-                      static_cast<int>(CecMessageType::SYSTEM_AUDIO_MODE_STATUS),
-              "CecMessageType::SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_ROUTING_CHANGE == static_cast<int>(CecMessageType::ROUTING_CHANGE),
-              "CecMessageType::ROUTING_CHANGE must match legacy value.");
-static_assert(CEC_MESSAGE_ROUTING_INFORMATION ==
-                      static_cast<int>(CecMessageType::ROUTING_INFORMATION),
-              "CecMessageType::ROUTING_INFORMATION must match legacy value.");
-static_assert(CEC_MESSAGE_ACTIVE_SOURCE == static_cast<int>(CecMessageType::ACTIVE_SOURCE),
-              "CecMessageType::ACTIVE_SOURCE must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_PHYSICAL_ADDRESS ==
-                      static_cast<int>(CecMessageType::GIVE_PHYSICAL_ADDRESS),
-              "CecMessageType::GIVE_PHYSICAL_ADDRESS must match legacy value.");
-static_assert(CEC_MESSAGE_REPORT_PHYSICAL_ADDRESS ==
-                      static_cast<int>(CecMessageType::REPORT_PHYSICAL_ADDRESS),
-              "CecMessageType::REPORT_PHYSICAL_ADDRESS must match legacy value.");
-static_assert(CEC_MESSAGE_REQUEST_ACTIVE_SOURCE ==
-                      static_cast<int>(CecMessageType::REQUEST_ACTIVE_SOURCE),
-              "CecMessageType::REQUEST_ACTIVE_SOURCE must match legacy value.");
-static_assert(CEC_MESSAGE_SET_STREAM_PATH == static_cast<int>(CecMessageType::SET_STREAM_PATH),
-              "CecMessageType::SET_STREAM_PATH must match legacy value.");
-static_assert(CEC_MESSAGE_DEVICE_VENDOR_ID == static_cast<int>(CecMessageType::DEVICE_VENDOR_ID),
-              "CecMessageType::DEVICE_VENDOR_ID must match legacy value.");
-static_assert(CEC_MESSAGE_VENDOR_COMMAND == static_cast<int>(CecMessageType::VENDOR_COMMAND),
-              "CecMessageType::VENDOR_COMMAND must match legacy value.");
-static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_DOWN ==
-                      static_cast<int>(CecMessageType::VENDOR_REMOTE_BUTTON_DOWN),
-              "CecMessageType::VENDOR_REMOTE_BUTTON_DOWN must match legacy value.");
-static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_UP ==
-                      static_cast<int>(CecMessageType::VENDOR_REMOTE_BUTTON_UP),
-              "CecMessageType::VENDOR_REMOTE_BUTTON_UP must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_DEVICE_VENDOR_ID ==
-                      static_cast<int>(CecMessageType::GIVE_DEVICE_VENDOR_ID),
-              "CecMessageType::GIVE_DEVICE_VENDOR_ID must match legacy value.");
-static_assert(CEC_MESSAGE_MENU_REQUEST == static_cast<int>(CecMessageType::MENU_REQUEST),
-              "CecMessageType::MENU_REQUEST must match legacy value.");
-static_assert(CEC_MESSAGE_MENU_STATUS == static_cast<int>(CecMessageType::MENU_STATUS),
-              "CecMessageType::MENU_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_GIVE_DEVICE_POWER_STATUS ==
-                      static_cast<int>(CecMessageType::GIVE_DEVICE_POWER_STATUS),
-              "CecMessageType::GIVE_DEVICE_POWER_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_REPORT_POWER_STATUS ==
-                      static_cast<int>(CecMessageType::REPORT_POWER_STATUS),
-              "CecMessageType::REPORT_POWER_STATUS must match legacy value.");
-static_assert(CEC_MESSAGE_GET_MENU_LANGUAGE == static_cast<int>(CecMessageType::GET_MENU_LANGUAGE),
-              "CecMessageType::GET_MENU_LANGUAGE must match legacy value.");
-static_assert(CEC_MESSAGE_SELECT_ANALOG_SERVICE ==
-                      static_cast<int>(CecMessageType::SELECT_ANALOG_SERVICE),
-              "CecMessageType::SELECT_ANALOG_SERVICE must match legacy value.");
-static_assert(CEC_MESSAGE_SELECT_DIGITAL_SERVICE ==
-                      static_cast<int>(CecMessageType::SELECT_DIGITAL_SERVICE),
-              "CecMessageType::SELECT_DIGITAL_SERVICE must match legacy value.");
-static_assert(CEC_MESSAGE_SET_DIGITAL_TIMER == static_cast<int>(CecMessageType::SET_DIGITAL_TIMER),
-              "CecMessageType::SET_DIGITAL_TIMER must match legacy value.");
-static_assert(CEC_MESSAGE_CLEAR_DIGITAL_TIMER ==
-                      static_cast<int>(CecMessageType::CLEAR_DIGITAL_TIMER),
-              "CecMessageType::CLEAR_DIGITAL_TIMER must match legacy value.");
-static_assert(CEC_MESSAGE_SET_AUDIO_RATE == static_cast<int>(CecMessageType::SET_AUDIO_RATE),
-              "CecMessageType::SET_AUDIO_RATE must match legacy value.");
-static_assert(CEC_MESSAGE_INACTIVE_SOURCE == static_cast<int>(CecMessageType::INACTIVE_SOURCE),
-              "CecMessageType::INACTIVE_SOURCE must match legacy value.");
-static_assert(CEC_MESSAGE_CEC_VERSION == static_cast<int>(CecMessageType::CEC_VERSION),
-              "CecMessageType::CEC_VERSION must match legacy value.");
-static_assert(CEC_MESSAGE_GET_CEC_VERSION == static_cast<int>(CecMessageType::GET_CEC_VERSION),
-              "CecMessageType::GET_CEC_VERSION must match legacy value.");
-static_assert(CEC_MESSAGE_VENDOR_COMMAND_WITH_ID ==
-                      static_cast<int>(CecMessageType::VENDOR_COMMAND_WITH_ID),
-              "CecMessageType::VENDOR_COMMAND_WITH_ID must match legacy value.");
-static_assert(CEC_MESSAGE_CLEAR_EXTERNAL_TIMER ==
-                      static_cast<int>(CecMessageType::CLEAR_EXTERNAL_TIMER),
-              "CecMessageType::CLEAR_EXTERNAL_TIMER must match legacy value.");
-static_assert(CEC_MESSAGE_SET_EXTERNAL_TIMER ==
-                      static_cast<int>(CecMessageType::SET_EXTERNAL_TIMER),
-              "CecMessageType::SET_EXTERNAL_TIMER must match legacy value.");
-static_assert(CEC_MESSAGE_INITIATE_ARC == static_cast<int>(CecMessageType::INITIATE_ARC),
-              "CecMessageType::INITIATE_ARC must match legacy value.");
-static_assert(CEC_MESSAGE_REPORT_ARC_INITIATED ==
-                      static_cast<int>(CecMessageType::REPORT_ARC_INITIATED),
-              "CecMessageType::REPORT_ARC_INITIATED must match legacy value.");
-static_assert(CEC_MESSAGE_REPORT_ARC_TERMINATED ==
-                      static_cast<int>(CecMessageType::REPORT_ARC_TERMINATED),
-              "CecMessageType::REPORT_ARC_TERMINATED must match legacy value.");
-static_assert(CEC_MESSAGE_REQUEST_ARC_INITIATION ==
-                      static_cast<int>(CecMessageType::REQUEST_ARC_INITIATION),
-              "CecMessageType::REQUEST_ARC_INITIATION must match legacy value.");
-static_assert(CEC_MESSAGE_REQUEST_ARC_TERMINATION ==
-                      static_cast<int>(CecMessageType::REQUEST_ARC_TERMINATION),
-              "CecMessageType::REQUEST_ARC_TERMINATION must match legacy value.");
-static_assert(CEC_MESSAGE_TERMINATE_ARC == static_cast<int>(CecMessageType::TERMINATE_ARC),
-              "CecMessageType::TERMINATE_ARC must match legacy value.");
-static_assert(CEC_MESSAGE_ABORT == static_cast<int>(CecMessageType::ABORT),
-              "CecMessageType::ABORT must match legacy value.");
-
-static_assert(ABORT_UNRECOGNIZED_MODE == static_cast<int>(AbortReason::UNRECOGNIZED_MODE),
-              "AbortReason::UNRECOGNIZED_MODE must match legacy value.");
-static_assert(ABORT_NOT_IN_CORRECT_MODE == static_cast<int>(AbortReason::NOT_IN_CORRECT_MODE),
-              "AbortReason::NOT_IN_CORRECT_MODE must match legacy value.");
-static_assert(ABORT_CANNOT_PROVIDE_SOURCE == static_cast<int>(AbortReason::CANNOT_PROVIDE_SOURCE),
-              "AbortReason::CANNOT_PROVIDE_SOURCE must match legacy value.");
-static_assert(ABORT_INVALID_OPERAND == static_cast<int>(AbortReason::INVALID_OPERAND),
-              "AbortReason::INVALID_OPERAND must match legacy value.");
-static_assert(ABORT_REFUSED == static_cast<int>(AbortReason::REFUSED),
-              "AbortReason::REFUSED must match legacy value.");
-static_assert(ABORT_UNABLE_TO_DETERMINE == static_cast<int>(AbortReason::UNABLE_TO_DETERMINE),
-              "AbortReason::UNABLE_TO_DETERMINE must match legacy value.");
-
-static_assert(HDMI_RESULT_SUCCESS == static_cast<int>(SendMessageResult::SUCCESS),
-              "SendMessageResult::SUCCESS must match legacy value.");
-static_assert(HDMI_RESULT_NACK == static_cast<int>(SendMessageResult::NACK),
-              "SendMessageResult::NACK must match legacy value.");
-static_assert(HDMI_RESULT_BUSY == static_cast<int>(SendMessageResult::BUSY),
-              "SendMessageResult::BUSY must match legacy value.");
-static_assert(HDMI_RESULT_FAIL == static_cast<int>(SendMessageResult::FAIL),
-              "SendMessageResult::FAIL must match legacy value.");
-
-static_assert(HDMI_INPUT == static_cast<int>(HdmiPortType::INPUT),
-              "HdmiPortType::INPUT must match legacy value.");
-static_assert(HDMI_OUTPUT == static_cast<int>(HdmiPortType::OUTPUT),
-              "HdmiPortType::OUTPUT must match legacy value.");
-
-static_assert(HDMI_OPTION_WAKEUP == static_cast<int>(OptionKey::WAKEUP),
-              "OptionKey::WAKEUP must match legacy value.");
-static_assert(HDMI_OPTION_ENABLE_CEC == static_cast<int>(OptionKey::ENABLE_CEC),
-              "OptionKey::ENABLE_CEC must match legacy value.");
-static_assert(HDMI_OPTION_SYSTEM_CEC_CONTROL == static_cast<int>(OptionKey::SYSTEM_CEC_CONTROL),
-              "OptionKey::SYSTEM_CEC_CONTROL must match legacy value.");
-
-sp<IHdmiCecCallback> HdmiCec::mCallback = nullptr;
-
-HdmiCec::HdmiCec(hdmi_cec_device_t* device) : mDevice(device) {}
-
-// Methods from ::android::hardware::tv::cec::V2_0::IHdmiCec follow.
-Return<Result> HdmiCec::addDeviceType(CecDeviceType deviceType) {
-    // TODO implement
-    if (deviceType <= CecDeviceType::MAX) {
-        return Result::SUCCESS;
-    } else {
-        return Result::FAILURE_INVALID_ARGS;
-    }
-}
-
-Return<void> HdmiCec::clearDeviceTypes() {
-    // TODO implement
-    return Void();
-}
-
-Return<void> HdmiCec::setAllDeviceTypes(CecAllDeviceTypes allDeviceTypes) {
-    // TODO implement
-    if (allDeviceTypes == 1) {
-    }
-    return Void();
-}
-
-Return<void> HdmiCec::setDeviceFeatures(CecDeviceType deviceType,
-                                        CecDeviceFeatures /* deviceFeatures */) {
-    // TODO implement
-    if (deviceType != CecDeviceType::MAX) {
-    }
-    return Void();
-}
-
-Return<void> HdmiCec::setRcProfile(CecDeviceType deviceType, const CecRcProfile& /* rcProfile */) {
-    // TODO implement
-    if (deviceType != CecDeviceType::MAX) {
-    }
-    return Void();
-}
-
-Return<void> HdmiCec::readDeviceInfo(CecLogicalAddress logicalAddress,
-                                     CecPhysicalAddress physicalAddress,
-                                     const readDeviceInfo_cb _hidl_cb) {
-    // TODO implement
-    CecDeviceInfo deviceInfo;
-
-    if (logicalAddress == CecLogicalAddress::TV) {
-        _hidl_cb(Result::SUCCESS, deviceInfo);
-        if (physicalAddress) {
-        }
-    }
-    return Void();
-}
-
-Return<SendMessageResult> HdmiCec::sendMessage(const CecMessage& message) {
-    cec_message_t legacyMessage{
-            .initiator = static_cast<cec_logical_address_t>(message.initiator),
-            .destination = static_cast<cec_logical_address_t>(message.destination),
-            .length = message.body.size(),
-    };
-    for (size_t i = 0; i < message.body.size(); ++i) {
-        legacyMessage.body[i] = static_cast<unsigned char>(message.body[i]);
-    }
-    return static_cast<SendMessageResult>(mDevice->send_message(mDevice, &legacyMessage));
-}
-
-Return<void> HdmiCec::setCallback(const sp<IHdmiCecCallback>& callback) {
-    if (mCallback != nullptr) {
-        mCallback->unlinkToDeath(this);
-        mCallback = nullptr;
-    }
-
-    if (callback != nullptr) {
-        mCallback = callback;
-        mCallback->linkToDeath(this, 0 /*cookie*/);
-        mDevice->register_event_callback(mDevice, eventCallback, nullptr);
-    }
-    return Void();
-}
-
-Return<void> HdmiCec::getPortInfo(getPortInfo_cb _hidl_cb) {
-    struct hdmi_port_info* legacyPorts;
-    int numPorts;
-    hidl_vec<HdmiPortInfo> portInfos;
-    mDevice->get_port_info(mDevice, &legacyPorts, &numPorts);
-    portInfos.resize(numPorts);
-    for (int i = 0; i < numPorts; ++i) {
-        portInfos[i] = {.type = static_cast<HdmiPortType>(legacyPorts[i].type),
-                        .portId = static_cast<HdmiPortId>(legacyPorts[i].port_id),
-                        .cecSupported = legacyPorts[i].cec_supported != 0,
-                        .arcSupported = legacyPorts[i].arc_supported != 0,
-                        .physicalAddress = legacyPorts[i].physical_address};
-    }
-    _hidl_cb(portInfos);
-    return Void();
-}
-
-Return<void> HdmiCec::setOption(OptionKey key, bool value) {
-    mDevice->set_option(mDevice, static_cast<int>(key), value ? 1 : 0);
-    return Void();
-}
-
-Return<void> HdmiCec::setLanguage(const hidl_string& language) {
-    if (language.size() != 3) {
-        LOG(ERROR) << "Wrong language code: expected 3 letters, but it was " << language.size()
-                   << ".";
-        return Void();
-    }
-    const char* languageStr = language.c_str();
-    int convertedLanguage = ((languageStr[0] & 0xFF) << 16) | ((languageStr[1] & 0xFF) << 8) |
-                            (languageStr[2] & 0xFF);
-    mDevice->set_option(mDevice, HDMI_OPTION_SET_LANG, convertedLanguage);
-    return Void();
-}
-
-Return<void> HdmiCec::enableAudioReturnChannel(HdmiPortId portId, bool enable) {
-    mDevice->set_audio_return_channel(mDevice, portId, enable ? 1 : 0);
-    return Void();
-}
-
-Return<bool> HdmiCec::isConnected(HdmiPortId portId) {
-    return mDevice->is_connected(mDevice, portId) > 0;
-}
-
-IHdmiCec* HIDL_FETCH_IHdmiCec(const char* hal) {
-    hdmi_cec_device_t* hdmi_cec_device;
-    int ret = 0;
-    const hw_module_t* hw_module = nullptr;
-
-    ret = hw_get_module(HDMI_CEC_HARDWARE_MODULE_ID, &hw_module);
-    if (ret == 0) {
-        ret = hdmi_cec_open(hw_module, &hdmi_cec_device);
-        if (ret != 0) {
-            LOG(ERROR) << "hdmi_cec_open " << hal << " failed: " << ret;
-        }
-    } else {
-        LOG(ERROR) << "hw_get_module " << hal << " failed: " << ret;
-    }
-
-    if (ret == 0) {
-        return new HdmiCec(hdmi_cec_device);
-    } else {
-        LOG(ERROR) << "Passthrough failed to load legacy HAL.";
-        return nullptr;
-    }
-}
-
-}  // namespace implementation
-}  // namespace V2_0
-}  // namespace cec
-}  // namespace tv
-}  // namespace hardware
-}  // namespace android
diff --git a/tv/cec/2.0/default/HdmiCec.h b/tv/cec/2.0/default/HdmiCec.h
deleted file mode 100644
index ab54770..0000000
--- a/tv/cec/2.0/default/HdmiCec.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (C) 2019 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.
- */
-
-#ifndef ANDROID_HARDWARE_TV_CEC_V2_0_HDMICEC_H
-#define ANDROID_HARDWARE_TV_CEC_V2_0_HDMICEC_H
-
-#include <algorithm>
-
-#include <android/hardware/tv/cec/2.0/IHdmiCec.h>
-#include <hardware/hardware.h>
-#include <hardware/hdmi_cec.h>
-#include <hidl/Status.h>
-
-#include <hidl/MQDescriptor.h>
-namespace android {
-namespace hardware {
-namespace tv {
-namespace cec {
-namespace V2_0 {
-namespace implementation {
-
-using ::android::sp;
-using ::android::hardware::hidl_string;
-using ::android::hardware::hidl_vec;
-using ::android::hardware::Return;
-using ::android::hardware::Void;
-using ::android::hardware::tv::cec::V2_0::CecLogicalAddress;
-using ::android::hardware::tv::cec::V2_0::CecMessage;
-using ::android::hardware::tv::cec::V2_0::CecPhysicalAddress;
-using ::android::hardware::tv::cec::V2_0::HdmiPortId;
-using ::android::hardware::tv::cec::V2_0::HdmiPortInfo;
-using ::android::hardware::tv::cec::V2_0::IHdmiCec;
-using ::android::hardware::tv::cec::V2_0::IHdmiCecCallback;
-using ::android::hardware::tv::cec::V2_0::MaxLength;
-using ::android::hardware::tv::cec::V2_0::OptionKey;
-using ::android::hardware::tv::cec::V2_0::Result;
-using ::android::hardware::tv::cec::V2_0::SendMessageResult;
-
-struct HdmiCec : public IHdmiCec, public hidl_death_recipient {
-    HdmiCec(hdmi_cec_device_t* device);
-    // Methods from ::android::hardware::tv::cec::V2_0::IHdmiCec follow.
-    Return<Result> addDeviceType(CecDeviceType deviceType) override;
-    Return<void> clearDeviceTypes() override;
-    Return<void> setAllDeviceTypes(CecAllDeviceTypes allDeviceTypes) override;
-    Return<void> setDeviceFeatures(CecDeviceType deviceType,
-                                   CecDeviceFeatures /* deviceFeatures */) override;
-    Return<void> setRcProfile(CecDeviceType deviceType,
-                              const CecRcProfile& /* rcProfile */) override;
-    Return<void> readDeviceInfo(CecLogicalAddress logicalAddress,
-                                CecPhysicalAddress physicalAddress,
-                                const readDeviceInfo_cb _hidl_cb) override;
-    Return<SendMessageResult> sendMessage(const CecMessage& message) override;
-    Return<void> setCallback(const sp<IHdmiCecCallback>& callback) override;
-    Return<void> getPortInfo(getPortInfo_cb _hidl_cb) override;
-    Return<void> setOption(OptionKey key, bool value) override;
-    Return<void> setLanguage(const hidl_string& language) override;
-    Return<void> enableAudioReturnChannel(HdmiPortId portId, bool enable) override;
-    Return<bool> isConnected(HdmiPortId portId) override;
-
-    static void eventCallback(const hdmi_event_t* event, void* /* arg */) {
-        if (mCallback != nullptr && event != nullptr) {
-            if (event->type == HDMI_EVENT_CEC_MESSAGE) {
-                size_t length =
-                        std::min(event->cec.length, static_cast<size_t>(MaxLength::MESSAGE_BODY));
-                CecMessage cecMessage{
-                        .initiator = static_cast<CecLogicalAddress>(event->cec.initiator),
-                        .destination = static_cast<CecLogicalAddress>(event->cec.destination),
-                };
-                cecMessage.body.resize(length);
-                for (size_t i = 0; i < length; ++i) {
-                    cecMessage.body[i] = static_cast<uint8_t>(event->cec.body[i]);
-                }
-                mCallback->onCecMessage(cecMessage);
-            } else if (event->type == HDMI_EVENT_HOT_PLUG) {
-                HotplugEvent hotplugEvent{
-                        .connected = event->hotplug.connected > 0,
-                        .portId = static_cast<HdmiPortId>(event->hotplug.port_id)};
-                mCallback->onHotplugEvent(hotplugEvent);
-            }
-        }
-    }
-
-    virtual void serviceDied(uint64_t /*cookie*/,
-                             const wp<::android::hidl::base::V1_0::IBase>& /*who*/) {
-        setCallback(nullptr);
-    }
-
-   private:
-    static sp<IHdmiCecCallback> mCallback;
-    const hdmi_cec_device_t* mDevice;
-};
-
-extern "C" IHdmiCec* HIDL_FETCH_IHdmiCec(const char* name);
-
-}  // namespace implementation
-}  // namespace V2_0
-}  // namespace cec
-}  // namespace tv
-}  // namespace hardware
-}  // namespace android
-
-#endif  // ANDROID_HARDWARE_TV_CEC_V2_0_HDMICEC_H
diff --git a/tv/cec/2.0/default/OWNERS b/tv/cec/2.0/default/OWNERS
deleted file mode 100644
index 1b3d095..0000000
--- a/tv/cec/2.0/default/OWNERS
+++ /dev/null
@@ -1,4 +0,0 @@
-nchalko@google.com
-amyjojo@google.com
-shubang@google.com
-quxiangfang@google.com
diff --git a/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.rc b/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.rc
deleted file mode 100644
index 1e8cd80..0000000
--- a/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.rc
+++ /dev/null
@@ -1,4 +0,0 @@
-service vendor.cec-hal-2-0 /vendor/bin/hw/android.hardware.tv.cec@2.0-service
-    class hal
-    user system
-    group system
diff --git a/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.xml b/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.xml
deleted file mode 100644
index 61fb1bb..0000000
--- a/tv/cec/2.0/default/android.hardware.tv.cec@2.0-service.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<manifest version="1.0" type="device">
-    <hal format="hidl">
-        <name>android.hardware.tv.cec</name>
-        <transport>hwbinder</transport>
-        <version>2.0</version>
-        <interface>
-            <name>IHdmiCec</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
-</manifest>
diff --git a/tv/cec/2.0/default/service.cpp b/tv/cec/2.0/default/service.cpp
deleted file mode 100644
index dacc38c..0000000
--- a/tv/cec/2.0/default/service.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2019 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 "android.hardware.tv.cec@2.0-service"
-
-#include <android/hardware/tv/cec/2.0/IHdmiCec.h>
-#include <hidl/LegacySupport.h>
-
-using android::hardware::defaultPassthroughServiceImplementation;
-using android::hardware::tv::cec::V2_0::IHdmiCec;
-
-int main() {
-    return defaultPassthroughServiceImplementation<IHdmiCec>();
-}
diff --git a/tv/cec/2.0/types.hal b/tv/cec/2.0/types.hal
deleted file mode 100644
index cad6c39..0000000
--- a/tv/cec/2.0/types.hal
+++ /dev/null
@@ -1,548 +0,0 @@
-/*
- * Copyright (C) 2019 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.tv.cec@2.0;
-
-import android.hidl.safe_union@1.0;
-
-/**
- * CEC device type as specified in CEC Table 11-7 of the CEC spec 2.0b.
- */
-enum CecDeviceType : int32_t {
-    INACTIVE = -1,
-    TV = 0,
-    RECORDER = 1,
-    TUNER = 3,
-    PLAYBACK = 4,
-    AUDIO_SYSTEM = 5,
-    PURE_CEC_SWITCH = 6,
-    PROCESSOR = 7,
-    MAX = PROCESSOR,
-};
-
-/**
- * CEC logical address as specified in CEC Table 11-9 of the CEC spec 2.0b.
- */
-enum CecLogicalAddress : int32_t {
-    TV = 0,
-    RECORDER_1 = 1,
-    RECORDER_2 = 2,
-    TUNER_1 = 3,
-    PLAYBACK_1 = 4,
-    AUDIO_SYSTEM = 5,
-    TUNER_2 = 6,
-    TUNER_3 = 7,
-    PLAYBACK_2 = 8,
-    RECORDER_3 = 9,
-    TUNER_4 = 10,
-    PLAYBACK_3 = 11,
-    BACKUP_1 = 12, // backup1 for Playback/Recording/Tuner/Processor device
-    BACKUP_2 = 13, // backup2 for Playback/Recording/Tuner/Processor device
-    SPECIFIC_USE = 14,
-    UNREGISTERED = 15, // as Initiator address
-    BROADCAST = 15, // as Destination address
-};
-
-/**
- * HDMI CEC message types.
- *
- * The assigned values represent opcode used in CEC frame as specified in
- * Section 11.10 of the CEC spec 2.0b on top of Section CEC 15 of the CEC
- * Spec 1.4b.
- */
-enum CecMessageType : int32_t {
-    FEATURE_ABORT = 0x00,
-    IMAGE_VIEW_ON = 0x04,
-    TUNER_STEP_INCREMENT = 0x05,
-    TUNER_STEP_DECREMENT = 0x06,
-    TUNER_DEVICE_STATUS = 0x07,
-    GIVE_TUNER_DEVICE_STATUS = 0x08,
-    RECORD_ON = 0x09,
-    RECORD_STATUS = 0x0A,
-    RECORD_OFF = 0x0B,
-    TEXT_VIEW_ON = 0x0D,
-    RECORD_TV_SCREEN = 0x0F,
-    GIVE_DECK_STATUS = 0x1A,
-    DECK_STATUS = 0x1B,
-    SET_MENU_LANGUAGE = 0x32,
-    CLEAR_ANALOG_TIMER = 0x33,
-    SET_ANALOG_TIMER = 0x34,
-    TIMER_STATUS = 0x35,
-    STANDBY = 0x36,
-    PLAY = 0x41,
-    DECK_CONTROL = 0x42,
-    TIMER_CLEARED_STATUS = 0x43,
-    USER_CONTROL_PRESSED = 0x44,
-    USER_CONTROL_RELEASED = 0x45,
-    GIVE_OSD_NAME = 0x46,
-    SET_OSD_NAME = 0x47,
-    SET_OSD_STRING = 0x64,
-    SET_TIMER_PROGRAM_TITLE = 0x67,
-    SYSTEM_AUDIO_MODE_REQUEST = 0x70,
-    GIVE_AUDIO_STATUS = 0x71,
-    SET_SYSTEM_AUDIO_MODE = 0x72,
-    REPORT_AUDIO_STATUS = 0x7A,
-    GIVE_SYSTEM_AUDIO_MODE_STATUS = 0x7D,
-    SYSTEM_AUDIO_MODE_STATUS = 0x7E,
-    ROUTING_CHANGE = 0x80,
-    ROUTING_INFORMATION = 0x81,
-    ACTIVE_SOURCE = 0x82,
-    GIVE_PHYSICAL_ADDRESS = 0x83,
-    REPORT_PHYSICAL_ADDRESS = 0x84,
-    REQUEST_ACTIVE_SOURCE = 0x85,
-    SET_STREAM_PATH = 0x86,
-    DEVICE_VENDOR_ID = 0x87,
-    VENDOR_COMMAND = 0x89,
-    VENDOR_REMOTE_BUTTON_DOWN = 0x8A,
-    VENDOR_REMOTE_BUTTON_UP = 0x8B,
-    GIVE_DEVICE_VENDOR_ID = 0x8C,
-    MENU_REQUEST = 0x8D,
-    MENU_STATUS = 0x8E,
-    GIVE_DEVICE_POWER_STATUS = 0x8F,
-    REPORT_POWER_STATUS = 0x90,
-    GET_MENU_LANGUAGE = 0x91,
-    SELECT_ANALOG_SERVICE = 0x92,
-    SELECT_DIGITAL_SERVICE = 0x93,
-    SET_DIGITAL_TIMER = 0x97,
-    CLEAR_DIGITAL_TIMER = 0x99,
-    SET_AUDIO_RATE = 0x9A,
-    INACTIVE_SOURCE = 0x9D,
-    CEC_VERSION = 0x9E,
-    GET_CEC_VERSION = 0x9F,
-    VENDOR_COMMAND_WITH_ID = 0xA0,
-    CLEAR_EXTERNAL_TIMER = 0xA1,
-    SET_EXTERNAL_TIMER = 0xA2,
-    REPORT_SHORT_AUDIO_DESCRIPTOR = 0xA3,
-    REQUEST_SHORT_AUDIO_DESCRIPTOR = 0xA4,
-    GIVE_FEATURES = 0XA5,
-    REPORT_FEATURES = 0xA6,
-    REQUEST_CURRENT_LATENCY = 0xA7,
-    REPORT_CURRENT_LATENCY = 0xA8,
-    INITIATE_ARC = 0xC0,
-    REPORT_ARC_INITIATED = 0xC1,
-    REPORT_ARC_TERMINATED = 0xC2,
-    REQUEST_ARC_INITIATION = 0xC3,
-    REQUEST_ARC_TERMINATION = 0xC4,
-    TERMINATE_ARC = 0xC5,
-    ABORT = 0xFF,
-    POLLING_MESSAGE = 0xFFFFFF00, // used for cec polling message
-};
-
-/**
- * Abort Reason as specified in CEC Table 29 of the CEC spec 1.4b.
- */
-enum AbortReason : int32_t {
-    UNRECOGNIZED_MODE = 0,
-    NOT_IN_CORRECT_MODE = 1,
-    CANNOT_PROVIDE_SOURCE = 2,
-    INVALID_OPERAND = 3,
-    REFUSED = 4,
-    UNABLE_TO_DETERMINE = 5,
-};
-
-enum MaxLength : int32_t {
-    MESSAGE_BODY = 14,
-};
-
-struct CecMessage {
-    /** logical address of sender */
-    CecLogicalAddress initiator;
-
-    /** logical address of receiver */
-    CecLogicalAddress destination;
-
-    /** cec message type */
-    CecMessageType cecMessageType;
-
-    /**
-     * The maximum size of body is 14 (MaxLength::MESSAGE_BODY) as specified in
-     * the section 6 of the CEC Spec 1.4b. Overflowed data must be ignored.
-     */
-    vec<uint8_t> body;
-};
-
-/**
- * error code used for send_message.
- */
-enum SendMessageResult : int32_t {
-    SUCCESS = 0,
-    NACK = 1, // not acknowledged
-    BUSY = 2, // bus is busy
-    FAIL = 3,
-};
-
-/**
- * CEC All Device Type Value as specified in Table 11-30 of the CEC spec 2.0b.
- */
-enum CecAllDeviceTypeValue : uint8_t {
-    RESERVED_DEVICE_2 = 1 << 0,
-    RESERVED_DEVICE_1 = 1 << 1,
-    CEC_SWITCH_DEVICE = 1 << 2,
-    AUDIO_DEVICE = 1 << 3,
-    PLAYBACK_DEVICE = 1 << 4,
-    TUNER_DEVICE = 1 << 5,
-    RECORDING_DEVICE = 1 << 6,
-    TV_DEVICE   = 1 << 7,
-};
-
-/**
- * CEC All Device Types
- *
- * It is a combination of all supported type from CecAllDeviceTypeValue.
- * For example a record with tuner functionalitye,
- * cecAllDeviceTypes = ((CecAllDeviceTypeValue::RECORDING_DEVICE)
- *                     |(CecAllDeviceTypeValue::TUNER_DEVICE))
- */
-typedef bitfield<CecAllDeviceTypeValue> CecAllDeviceTypes;
-
-/**
- * CEC Versions as specified in CEC Table 11-30 of the CEC spec 2.0b.
- */
-enum CecVersion : int32_t {
-    V_1_3_A   = 0x04,
-    V_1_4   = 0x05, // indicate CEC 1.4, 1.4a or 1.4b
-    V_2_0   = 0x06,
-};
-
-/**
- * Device Feature
- *
- * It is specified in CEC Table 11-30 of the CEC spec 2.0b. As a uint32 there
- * is room for future extensions aka DeviceFeature2 through DeviceFeature4.
- */
-enum CecDeviceFeature : uint32_t {
-    RESERVED = 1 << 0,
-    SOURCE_SUPPORT_ARC_RX = 1 << 1,
-    SINK_SUPPORT_ARC_TX = 1 << 2,
-    SOURCE_SUPPORT_SET_AUDIO_RATE = 1 << 3,
-    SUPPORT_CONTROLLED_BY_DECK = 1 << 4,
-    TV_SUPPORT_SET_OSD_STRINGS = 1 << 5,
-    TV_SUPPORT_RECORD_TV_SCREEN = 1 << 6,
-};
-
-/**
- * CEC Device Features
- *
- * It is a combination of all supported features from CecDeviceFeature.
- * For example a TV with OSD and ARC capabilities,
- *   CecDeviceFeatures = ((CecDeviceFeature::TV_SUPPORT_SET_OSD_STRINGS)
- *                       |(CecDeviceFeature::SINK_SUPPORT_ARC_TX))
- */
-typedef bitfield<CecDeviceFeature> CecDeviceFeatures;
-
-/**
- * Remote Control Profile
- *
- * It is specified in CEC Table 11-30 of the CEC spec 2.0b.
- */
-enum CecRcProfileId : uint8_t {
-    NONE = 0,   // TV doesn’t support any of these profiles
-    RC_PROFILE_1 = 0x02, // minimalistic zapper (low button count)
-    RC_PROFILE_2 = 0x06, // intermediate between profile 1 and profile 3
-    RC_PROFILE_3 = 0x0A, // typical TV remote
-    RC_PROFILE_4 = 0x0E, // extended form of profile 3
-};
-
-/**
- * Remote Control Profile Source
- *
- * It is specified in CEC Table 11-30 of the CEC spec 2.0b.
- */
-enum CecRcProfileSource : uint8_t {
-    MEDIA_CONTEXT_SENSITIVE = 1 << 0, // source can handle UI command 0x11
-    MEDIA_TO = 1 << 1, // source can handle UI command 0x10
-    CONTENTS = 1 << 2, // source can handle UI command 0x0B
-    DEVICE_SETUP = 1 << 3, // source can handle UI command 0x0A
-    DEVICE_ROOT = 1 << 4, // source can handle UI command 0x09
-    SOURCE_FLAG = 1 << 6, // Indicate the profile is for source
-};
-
-/**
- * Remote Control Profile for either TV or Source.
- */
-safe_union CecRcProfile1 {
-    /** CEC remote control profile for TV. */
-    CecRcProfileId profileId;
-
-    /* CEC remote control profile for source
-     *
-     * It is a combination of all supported profiles from CecRcProfileSource.
-     * For example a playback device support root menu and setup menu,
-     * profileSource = ((CecRcProfileSource::DEVICE_ROOT)
-     *                  |(CecRcProfileSource::DEVICE_SETUP)
-     *                  |(CecRcProfileSource::SOURCE_FLAG))
-     */
-    bitfield<CecRcProfileSource> profileSource;
-};
-
-/**
- * CEC Remote Control Profiles
- *
- * CEC 2.0 only use one byte to represent Remote Control Profile.
- */
-struct CecRcProfile {
-   CecRcProfile1 rcProfile1;
-};
-
-/**
- * CEC device power states as specified in CEC Table 11-10 of the CEC spec 2.0b
- */
-enum CecPowerState : int8_t {
-    ON = 0,
-    STANDBY = 1,
-    ON_TO_STANDBY = 2,
-    STANDBY_TO_ON = 4,
-    UNKNOWN = 0xFF, // some devices may not report power status
-};
-
-/** CEC physical address of device */
-typedef uint16_t CecPhysicalAddress;
-
-/**
- * CEC device information
- *
- * It is initially built during addressing specified in CEC section 11.3 of
- * the CEC spec 2.0b. It may be updated with cec devices's status changed.
- */
-struct CecDeviceInfo {
-    /** CEC version which device supports */
-    CecVersion version;
-
-    /** CEC device primary type */
-    CecDeviceType devceType;
-
-    /** CEC all device types */
-    CecAllDeviceTypes allDeviceTypes;
-
-    /** CEC device features */
-    CecDeviceFeatures deviceFeatures;
-
-    /** CEC Device Remote Control Profile */
-    CecRcProfile rcProfile;
-
-    /** CEC Device Vendor ID */
-    uint32_t vendorId;
-
-    /** logical address of device */
-    CecLogicalAddress logicalAddress;
-
-    /** physical of device */
-    CecPhysicalAddress physicalAddress;
-
-    /** power status of device */
-    CecPowerState powerState;
-};
-
-/**
- * Topology Event Type.
- */
-enum CecTopologyEventType : int32_t {
-    DEVICE_ADDED,
-    DEVICE_REMOVED,
-    DEVICE_UPDATED,
-};
-
-/**
- * Topology Event.
- */
-struct CecTopologyEvent {
-    CecTopologyEventType eventType;
-    CecLogicalAddress logicalAddress;
-    CecPhysicalAddress physicalAddress;
-
-    /** true if the event is about the device which the system run on */
-    bool isHostDevice;
-};
-
-
-/**
- * CEC UI Command Codes as specified in CEC Table 11-31 of the CEC spec 2.0b
- */
-enum CecUICommandCodes : int32_t {
-    SELECT_OK = 0x00,
-    UP = 0x01,
-    DOWN = 0x02,
-    LEFT = 0x03,
-    RIGHT = 0x04,
-    RIGHT_UP = 0x05,
-    RIGHT_DOWN = 0x06,
-    LEFT_UP = 0x07,
-    LEFT_DOWN = 0x08,
-    DEVICE_ROOT_MENU = 0x09,
-    DEVICE_SETUP_MENU = 0x0A,
-    CONTENTS_MENU = 0x0B,
-    FAVORITE_MENU = 0x0C,
-    BACK = 0x0D,
-    MEDIA_TOP_MENU = 0x10,
-    MEDIA_CONTEXT_SENSITIVE_MENU = 0x11,
-    NUMBER_ENTRY_MODE = 0x1D,
-    NUMBER_11 = 0x1E,
-    NUMBER_12 = 0x1F,
-    NUMBER_0 = 0x20, // or NUMBER 10
-    NUMBER_1 = 0x21,
-    NUMBER_2 = 0x22,
-    NUMBER_3 = 0x23,
-    NUMBER_4 = 0x24,
-    NUMBER_5 = 0x25,
-    NUMBER_6 = 0x26,
-    NUMBER_7 = 0x27,
-    NUMBER_8 = 0x28,
-    NUMBER_9 = 0x29,
-    DOT = 0x2A,
-    ENTER = 0x2B,
-    CLEAR = 0x2C,
-    NEXT_FAVORITE = 0x2F,
-    CHANNEL_UP = 0x30,
-    CHANNEL_DOWN = 0x31,
-    PREVIOUS_CHANNEL = 0x32,
-    SOUND_SELECT = 0x33,
-    INPUT_SELECT = 0x34,
-    DISPLAY_INFORMATION = 0x35,
-    HELP = 0x36,
-    PAGE_UP = 0x37,
-    PAGE_DOWN = 0x38,
-    POWER = 0x40,
-    VOLUME_UP = 0x41,
-    VOLUME_DOWN = 0x42,
-    MUTE = 0x43,
-    PLAY = 0x44,
-    STOP = 0x45,
-    PAUSE = 0x46,
-    RECORD = 0x47,
-    REWIND = 0x48,
-    FAST_FORWARD = 0x49,
-    EJECT = 0x4A,
-    SKIP_FORWARD = 0x4B,
-    SKIP_BACKWARD = 0x4C,
-    STOP_RECORD = 0x4D,
-    PAUSE_RECORD = 0x4E,
-    ANGLE = 0x50,
-    SUB_PICTURE = 0x51,
-    VIDEO_ON_DEMAND = 0x52,
-    ELECTRONIC_PROGRAM_GUIDE = 0x53,
-    TIMER_PROGRAMMING = 0x54,
-    INITIAL_CONFIGURATION = 0x55,
-    SELECT_BROADCAST_TYPE = 0x56,
-    SELECT_SOUND_PRESENTATION = 0x57,
-    AUDIO_DESCRIPTION = 0x58,
-    INTERNET = 0x59,
-    THREE_DIMENSIONAL_MODE = 0x5A,
-    PLAY_FUNCTION = 0x60,
-    PAUSE_PLAY_FUNCTION = 0x61,
-    RECORD_FUNCTION = 0x62,
-    PAUSE_RECORD_FUNCTION = 0x63,
-    STOP_FUNCTION = 0x64,
-    MUTE_FUNCTION = 0x65,
-    RESTORE_VOLUME_FUNCTION = 0x66,
-    TUNE_FUNCTION = 0x67,
-    SELECT_MEDIA_FUNCTION = 0x68,
-    SELECT_AV_INPUT_FUNCTION = 0x69,
-    SELECT_AUDIO_INPUT_FUNCTION = 0x6A,
-    POWER_TOGGLE_FUNCTION = 0x6B,
-    POWER_OFF_FUNCTION = 0x6C,
-    POWER_ON_FUNCTION = 0x6D,
-    F1 = 0x71, // BLUE
-    F2 = 0x72, // RED
-    F3 = 0x73, // GREEN
-    F4 = 0x74, // YELLOW
-    F5 = 0x75,
-    DATA = 0x76,
-};
-
-/**
- * HDMI port type.
- */
-enum HdmiPortType : int32_t {
-    INPUT = 0,
-    OUTPUT = 1,
-};
-
-/**
- * Options used for IHdmiCec.setOption()
- */
-enum OptionKey : int32_t {
-    /**
-     * When set to false, HAL does not wake up the system upon receiving <Image
-     * View On> or <Text View On>. Used when user changes the TV settings to
-     * disable the auto TV on functionality.
-     * Deprecated since <Image View On> and <Text View On> become mandatory
-     * featrues for CEC device. Use ENABLE_CEC OptionKey to disable CEC
-     * functionality instead.
-     * True by Default
-     */
-    WAKEUP = 1,
-
-    /**
-     * When set to false, all the CEC commands are discarded. if logical address
-     * is ever used, it shall be released. Used when user changes the TV
-     * settings to disable CEC functionality.
-     * True by default.
-     *
-     */
-    ENABLE_CEC = 2,
-
-    /**
-     * Setting this flag to false means Android system must stop handling CEC
-     * service and yield the control over to the microprocessor that is powered
-     * on through the standby mode.The microprocessor shall keep current logical
-     * and physical address. It shall response POLLING_MESSAGE, GIVE_FEATURES,
-     * GIVE_DEVICE_POWER_STATUS,GIVE_DEVICE_VENDOR_ID and GIVE_PHYSICAL_ADDRESS
-     * to allow other CEC devices to build CEC devices map specified in CEC
-     * section 11.3 of the CEC spec 2.0b.
-     * When set to true, the system must gain the control over, hence telling
-     * the microprocessor to start forwarding CEC messages to Android system.
-     * For example, this may be called when system goes in and out of
-     * standby mode to notify the microprocessor that it should start/stop
-     * handling CEC commands on behalf of the system.
-     * True by default.
-     */
-    SYSTEM_CEC_CONTROL = 3,
-
-    /* Option 4 not used */
-};
-
-/**
- * Hdmi port ID.
- *
- * It shall start from 1 which corresponds to HDMI "port 1".
- */
-typedef uint32_t HdmiPortId;
-
-/** Hdmi hotplug event */
-struct HotplugEvent {
-    bool connected;
-    HdmiPortId portId;
-};
-
-/**
- * HDMI port descriptor
- */
-struct HdmiPortInfo {
-    HdmiPortType type;
-    HdmiPortId portId;
-    bool cecSupported;
-    bool arcSupported;
-    CecPhysicalAddress physicalAddress;
-};
-
-enum Result : int32_t {
-    SUCCESS = 0,
-    FAILURE_UNKNOWN = 1,
-    FAILURE_INVALID_ARGS = 2,
-    FAILURE_INVALID_STATE = 3,
-    FAILURE_NOT_SUPPORTED = 4,
-    FAILURE_BUSY = 5,
-};