diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index 635a25b..3c3dadb 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -105,15 +105,11 @@
     return port;
 }
 
-static AudioPortConfig createPortConfig(int32_t id, int32_t portId, PcmType pcmType, int32_t layout,
-                                        int32_t sampleRate, int32_t flags, bool isInput,
-                                        const AudioPortExt& ext) {
+static AudioPortConfig createDynamicPortConfig(int32_t id, int32_t portId, int32_t flags,
+                                               bool isInput, const AudioPortExt& ext) {
     AudioPortConfig config;
     config.id = id;
     config.portId = portId;
-    config.sampleRate = Int{.value = sampleRate};
-    config.channelMask = AudioChannelLayout::make<AudioChannelLayout::layoutMask>(layout);
-    config.format = AudioFormatDescription{.type = AudioFormatType::PCM, .pcm = pcmType};
     config.gain = AudioGainConfig();
     config.flags = isInput ? AudioIoFlags::make<AudioIoFlags::Tag::input>(flags)
                            : AudioIoFlags::make<AudioIoFlags::Tag::output>(flags);
@@ -121,6 +117,16 @@
     return config;
 }
 
+static AudioPortConfig createPortConfig(int32_t id, int32_t portId, PcmType pcmType, int32_t layout,
+                                        int32_t sampleRate, int32_t flags, bool isInput,
+                                        const AudioPortExt& ext) {
+    AudioPortConfig config = createDynamicPortConfig(id, portId, flags, isInput, ext);
+    config.sampleRate = Int{.value = sampleRate};
+    config.channelMask = AudioChannelLayout::make<AudioChannelLayout::layoutMask>(layout);
+    config.format = AudioFormatDescription{.type = AudioFormatType::PCM, .pcm = pcmType};
+    return config;
+}
+
 static AudioRoute createRoute(const std::vector<AudioPort>& sources, const AudioPort& sink) {
     AudioRoute route;
     route.sinkPortId = sink.id;
@@ -147,8 +153,7 @@
 //  * "primary output", PRIMARY, 1 max open, 1 max active stream
 //    - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
 //  * "primary input", 1 max open, 1 max active stream
-//    - profile PCM 16-bit; MONO, STEREO;
-//        8000, 11025, 16000, 32000, 44100, 48000
+//    - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
 //  * "telephony_tx", 1 max open, 1 max active stream
 //    - profile PCM 16-bit; MONO, STEREO; 8000, 11025, 16000, 32000, 44100, 48000
 //  * "telephony_rx", 1 max open, 1 max active stream
@@ -164,11 +169,11 @@
 //  "FM Tuner" -> "fm_tuner"
 //
 // Initial port configs:
-//  * "Speaker" device port: PCM 16-bit; STEREO; 48000
-//  * "Built-In Mic" device port: PCM 16-bit; MONO; 48000
-//  * "Telephony Tx" device port: PCM 16-bit; MONO; 48000
-//  * "Telephony Rx" device port: PCM 16-bit; MONO; 48000
-//  * "FM Tuner" device port: PCM 16-bit; STEREO; 48000
+//  * "Speaker" device port: dynamic configuration
+//  * "Built-In Mic" device port: dynamic configuration
+//  * "Telephony Tx" device port: dynamic configuration
+//  * "Telephony Rx" device port: dynamic configuration
+//  * "FM Tuner" device port: dynamic configuration
 //
 std::unique_ptr<Configuration> getPrimaryConfiguration() {
     static const Configuration configuration = []() {
@@ -186,9 +191,8 @@
                                            1 << AudioPortDeviceExt::FLAG_INDEX_DEFAULT_DEVICE));
         c.ports.push_back(speakerOutDevice);
         c.initialConfigs.push_back(
-                createPortConfig(speakerOutDevice.id, speakerOutDevice.id, PcmType::INT_16_BIT,
-                                 AudioChannelLayout::LAYOUT_STEREO, 48000, 0, false,
-                                 createDeviceExt(AudioDeviceType::OUT_SPEAKER, 0)));
+                createDynamicPortConfig(speakerOutDevice.id, speakerOutDevice.id, 0, false,
+                                        createDeviceExt(AudioDeviceType::OUT_SPEAKER, 0)));
 
         AudioPort micInDevice =
                 createPort(c.nextPortId++, "Built-In Mic", 0, true,
@@ -196,35 +200,31 @@
                                            1 << AudioPortDeviceExt::FLAG_INDEX_DEFAULT_DEVICE));
         c.ports.push_back(micInDevice);
         c.initialConfigs.push_back(
-                createPortConfig(micInDevice.id, micInDevice.id, PcmType::INT_16_BIT,
-                                 AudioChannelLayout::LAYOUT_MONO, 48000, 0, true,
-                                 createDeviceExt(AudioDeviceType::IN_MICROPHONE, 0)));
+                createDynamicPortConfig(micInDevice.id, micInDevice.id, 0, true,
+                                        createDeviceExt(AudioDeviceType::IN_MICROPHONE, 0)));
 
         AudioPort telephonyTxOutDevice =
                 createPort(c.nextPortId++, "Telephony Tx", 0, false,
                            createDeviceExt(AudioDeviceType::OUT_TELEPHONY_TX, 0));
         c.ports.push_back(telephonyTxOutDevice);
         c.initialConfigs.push_back(
-                createPortConfig(telephonyTxOutDevice.id, telephonyTxOutDevice.id,
-                                 PcmType::INT_16_BIT, AudioChannelLayout::LAYOUT_MONO, 48000, 0,
-                                 false, createDeviceExt(AudioDeviceType::OUT_TELEPHONY_TX, 0)));
+                createDynamicPortConfig(telephonyTxOutDevice.id, telephonyTxOutDevice.id, 0, false,
+                                        createDeviceExt(AudioDeviceType::OUT_TELEPHONY_TX, 0)));
 
         AudioPort telephonyRxInDevice =
                 createPort(c.nextPortId++, "Telephony Rx", 0, true,
                            createDeviceExt(AudioDeviceType::IN_TELEPHONY_RX, 0));
         c.ports.push_back(telephonyRxInDevice);
         c.initialConfigs.push_back(
-                createPortConfig(telephonyRxInDevice.id, telephonyRxInDevice.id,
-                                 PcmType::INT_16_BIT, AudioChannelLayout::LAYOUT_MONO, 48000, 0,
-                                 true, createDeviceExt(AudioDeviceType::IN_TELEPHONY_RX, 0)));
+                createDynamicPortConfig(telephonyRxInDevice.id, telephonyRxInDevice.id, 0, true,
+                                        createDeviceExt(AudioDeviceType::IN_TELEPHONY_RX, 0)));
 
         AudioPort fmTunerInDevice = createPort(c.nextPortId++, "FM Tuner", 0, true,
                                                createDeviceExt(AudioDeviceType::IN_FM_TUNER, 0));
         c.ports.push_back(fmTunerInDevice);
         c.initialConfigs.push_back(
-                createPortConfig(fmTunerInDevice.id, fmTunerInDevice.id, PcmType::INT_16_BIT,
-                                 AudioChannelLayout::LAYOUT_STEREO, 48000, 0, true,
-                                 createDeviceExt(AudioDeviceType::IN_FM_TUNER, 0)));
+                createDynamicPortConfig(fmTunerInDevice.id, fmTunerInDevice.id, 0, true,
+                                        createDeviceExt(AudioDeviceType::IN_FM_TUNER, 0)));
 
         // Mix ports
 
@@ -287,13 +287,15 @@
 
 // Note: When transitioning to loading of XML configs, either keep the configuration
 // of the remote submix sources from this static configuration, or update the XML
-// config to match it. There are two reasons for that:
-//   1. The canonical r_submix configuration only lists 'STEREO' and '48000',
+// config to match it. There are several reasons for that:
+//   1. The "Remote Submix In" device is listed in the XML config as "attached",
+//      however in the AIDL scheme its device type has a "virtual" connection.
+//   2. The canonical r_submix configuration only lists 'STEREO' and '48000',
 //      however the framework attempts to open streams for other sample rates
 //      as well. The legacy r_submix implementation allowed that, but libaudiohal@aidl
 //      will not find a mix port to use. Because of that, list all channel
 //      masks and sample rates that the legacy implementation allowed.
-//   2. The legacy implementation had a hard limit on the number of routes (10),
+//   3. The legacy implementation had a hard limit on the number of routes (10),
 //      and this is checked indirectly by AudioPlaybackCaptureTest#testPlaybackCaptureDoS
 //      CTS test. Instead of hardcoding the number of routes, we can use
 //      "maxOpen/ActiveStreamCount" to enforce a similar limit. However, the canonical
@@ -331,15 +333,15 @@
                 createPort(c.nextPortId++, "Remote Submix Out", 0, false,
                            createDeviceExt(AudioDeviceType::OUT_SUBMIX, 0,
                                            AudioDeviceDescription::CONNECTION_VIRTUAL));
-        rsubmixOutDevice.profiles = standardPcmAudioProfiles;
         c.ports.push_back(rsubmixOutDevice);
+        c.connectedProfiles[rsubmixOutDevice.id] = standardPcmAudioProfiles;
 
         AudioPort rsubmixInDevice =
                 createPort(c.nextPortId++, "Remote Submix In", 0, true,
                            createDeviceExt(AudioDeviceType::IN_SUBMIX, 0,
                                            AudioDeviceDescription::CONNECTION_VIRTUAL));
-        rsubmixInDevice.profiles = standardPcmAudioProfiles;
         c.ports.push_back(rsubmixInDevice);
+        c.connectedProfiles[rsubmixInDevice.id] = standardPcmAudioProfiles;
 
         // Mix ports
 
@@ -384,7 +386,7 @@
 //  * "usb_device output" -> "USB Headset Out"
 //  * "USB Device In", "USB Headset In" -> "usb_device input"
 //
-// Profiles for device port connected state:
+// Profiles for device port connected state (when simulating connections):
 //  * "USB Device Out", "USB Headset Out":
 //    - profile PCM 16-bit; MONO, STEREO, INDEX_MASK_1, INDEX_MASK_2; 44100, 48000
 //    - profile PCM 24-bit; MONO, STEREO, INDEX_MASK_1, INDEX_MASK_2; 44100, 48000
@@ -461,9 +463,9 @@
 //  * "Test In", IN_AFE_PROXY
 //    - no profiles specified
 //  * "Wired Headset", OUT_HEADSET
-//    - profile PCM 24-bit; STEREO; 48000
+//    - no profiles specified
 //  * "Wired Headset Mic", IN_HEADSET
-//    - profile PCM 24-bit; MONO; 48000
+//    - no profiles specified
 //
 // Mix ports:
 //  * "test output", 1 max open, 1 max active stream
@@ -486,6 +488,10 @@
 //  * "Test Out" device port: PCM 24-bit; STEREO; 48000
 //  * "Test In" device port: PCM 24-bit; MONO; 48000
 //
+// Profiles for device port connected state (when simulating connections):
+//  * "Wired Headset": dynamic profiles
+//  * "Wired Headset Mic": dynamic profiles
+//
 std::unique_ptr<Configuration> getStubConfiguration() {
     static const Configuration configuration = []() {
         Configuration c;
@@ -504,8 +510,6 @@
                 createPort(c.nextPortId++, "Wired Headset", 0, false,
                            createDeviceExt(AudioDeviceType::OUT_HEADSET, 0,
                                            AudioDeviceDescription::CONNECTION_ANALOG));
-        headsetOutDevice.profiles.push_back(
-                createProfile(PcmType::INT_24_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {48000}));
         c.ports.push_back(headsetOutDevice);
 
         AudioPort testInDevice = createPort(c.nextPortId++, "Test In", 0, true,
@@ -520,8 +524,6 @@
                 createPort(c.nextPortId++, "Wired Headset Mic", 0, true,
                            createDeviceExt(AudioDeviceType::IN_HEADSET, 0,
                                            AudioDeviceDescription::CONNECTION_ANALOG));
-        headsetInDevice.profiles.push_back(
-                createProfile(PcmType::INT_24_BIT, {AudioChannelLayout::LAYOUT_MONO}, {48000}));
         c.ports.push_back(headsetInDevice);
 
         // Mix ports
@@ -553,24 +555,24 @@
                               {44100, 48000}));
         c.ports.push_back(compressedOffloadOutMix);
 
-        AudioPort testInMIx =
+        AudioPort testInMix =
                 createPort(c.nextPortId++, "test input", 0, true, createPortMixExt(2, 2));
-        testInMIx.profiles.push_back(
+        testInMix.profiles.push_back(
                 createProfile(PcmType::INT_16_BIT,
                               {AudioChannelLayout::LAYOUT_MONO, AudioChannelLayout::LAYOUT_STEREO,
                                AudioChannelLayout::LAYOUT_FRONT_BACK},
                               {8000, 11025, 16000, 22050, 32000, 44100, 48000}));
-        testInMIx.profiles.push_back(
+        testInMix.profiles.push_back(
                 createProfile(PcmType::INT_24_BIT,
                               {AudioChannelLayout::LAYOUT_MONO, AudioChannelLayout::LAYOUT_STEREO,
                                AudioChannelLayout::LAYOUT_FRONT_BACK},
                               {8000, 11025, 16000, 22050, 32000, 44100, 48000}));
-        c.ports.push_back(testInMIx);
+        c.ports.push_back(testInMix);
 
         c.routes.push_back(
                 createRoute({testOutMix, testFastOutMix, compressedOffloadOutMix}, testOutDevice));
         c.routes.push_back(createRoute({testOutMix}, headsetOutDevice));
-        c.routes.push_back(createRoute({testInDevice, headsetInDevice}, testInMIx));
+        c.routes.push_back(createRoute({testInDevice, headsetInDevice}, testInMix));
 
         c.portConfigs.insert(c.portConfigs.end(), c.initialConfigs.begin(), c.initialConfigs.end());
 
@@ -603,11 +605,19 @@
 //  "a2dp output" -> "BT A2DP Speaker"
 //  "hearing aid output" -> "BT Hearing Aid Out"
 //
+// Profiles for device port connected state (when simulating connections):
+//  * "BT A2DP Out", "BT A2DP Headphones", "BT A2DP Speaker":
+//    - profile PCM 16-bit; STEREO; 44100, 48000, 88200, 96000
+//  * "BT Hearing Aid Out":
+//    - profile PCM 16-bit; STEREO; 16000, 24000
+//
 std::unique_ptr<Configuration> getBluetoothConfiguration() {
     static const Configuration configuration = []() {
         const std::vector<AudioProfile> standardPcmAudioProfiles = {
                 createProfile(PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO},
                               {44100, 48000, 88200, 96000})};
+        const std::vector<AudioProfile> hearingAidAudioProfiles = {createProfile(
+                PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {16000, 24000})};
         Configuration c;
 
         // Device ports
@@ -645,8 +655,7 @@
                            createDeviceExt(AudioDeviceType::OUT_HEARING_AID, 0,
                                            AudioDeviceDescription::CONNECTION_WIRELESS));
         c.ports.push_back(btOutHearingAid);
-        c.connectedProfiles[btOutHearingAid.id] = std::vector<AudioProfile>(
-                {createProfile(PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {16000})});
+        c.connectedProfiles[btOutHearingAid.id] = hearingAidAudioProfiles;
 
         // Mix ports
         AudioPort btOutMix =
@@ -655,8 +664,7 @@
 
         AudioPort btHearingOutMix =
                 createPort(c.nextPortId++, "hearing aid output", 0, false, createPortMixExt(1, 1));
-        btHearingOutMix.profiles.push_back(createProfile(
-                PcmType::INT_16_BIT, {AudioChannelLayout::LAYOUT_STEREO}, {16000, 24000}));
+        btHearingOutMix.profiles = hearingAidAudioProfiles;
         c.ports.push_back(btHearingOutMix);
 
         c.routes.push_back(createRoute({btOutMix}, btOutDevice));
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index 76132b3..d721b32 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -65,32 +65,56 @@
 
 namespace {
 
+inline bool hasDynamicChannelMasks(const std::vector<AudioChannelLayout>& channelMasks) {
+    return channelMasks.empty() ||
+           std::all_of(channelMasks.begin(), channelMasks.end(),
+                       [](const auto& channelMask) { return channelMask == AudioChannelLayout{}; });
+}
+
+inline bool hasDynamicFormat(const AudioFormatDescription& format) {
+    return format == AudioFormatDescription{};
+}
+
+inline bool hasDynamicSampleRates(const std::vector<int32_t>& sampleRates) {
+    return sampleRates.empty() ||
+           std::all_of(sampleRates.begin(), sampleRates.end(),
+                       [](const auto& sampleRate) { return sampleRate == 0; });
+}
+
+inline bool isDynamicProfile(const AudioProfile& profile) {
+    return hasDynamicFormat(profile.format) || hasDynamicChannelMasks(profile.channelMasks) ||
+           hasDynamicSampleRates(profile.sampleRates);
+}
+
+bool hasDynamicProfilesOnly(const std::vector<AudioProfile>& profiles) {
+    if (profiles.empty()) return true;
+    return std::all_of(profiles.begin(), profiles.end(), isDynamicProfile);
+}
+
+// Note: does not assign an ID to the config.
 bool generateDefaultPortConfig(const AudioPort& port, AudioPortConfig* config) {
+    const bool allowDynamicConfig = port.ext.getTag() == AudioPortExt::device;
     *config = {};
     config->portId = port.id;
-    if (port.profiles.empty()) {
-        LOG(ERROR) << __func__ << ": port " << port.id << " has no profiles";
-        return false;
+    for (const auto& profile : port.profiles) {
+        if (isDynamicProfile(profile)) continue;
+        config->format = profile.format;
+        config->channelMask = *profile.channelMasks.begin();
+        config->sampleRate = Int{.value = *profile.sampleRates.begin()};
+        config->flags = port.flags;
+        config->ext = port.ext;
+        return true;
     }
-    const auto& profile = port.profiles.begin();
-    config->format = profile->format;
-    if (profile->channelMasks.empty()) {
-        LOG(ERROR) << __func__ << ": the first profile in port " << port.id
-                   << " has no channel masks";
-        return false;
+    if (allowDynamicConfig) {
+        config->format = AudioFormatDescription{};
+        config->channelMask = AudioChannelLayout{};
+        config->sampleRate = Int{.value = 0};
+        config->flags = port.flags;
+        config->ext = port.ext;
+        return true;
     }
-    config->channelMask = *profile->channelMasks.begin();
-    if (profile->sampleRates.empty()) {
-        LOG(ERROR) << __func__ << ": the first profile in port " << port.id
-                   << " has no sample rates";
-        return false;
-    }
-    Int sampleRate;
-    sampleRate.value = *profile->sampleRates.begin();
-    config->sampleRate = sampleRate;
-    config->flags = port.flags;
-    config->ext = port.ext;
-    return true;
+    LOG(ERROR) << __func__ << ": port " << port.id << " only has dynamic profiles";
+    return false;
 }
 
 bool findAudioProfile(const AudioPort& port, const AudioFormatDescription& format,
@@ -314,6 +338,18 @@
     return config;
 }
 
+std::vector<AudioRoute*> Module::getAudioRoutesForAudioPortImpl(int32_t portId) {
+    std::vector<AudioRoute*> result;
+    auto& routes = getConfig().routes;
+    for (auto& r : routes) {
+        const auto& srcs = r.sourcePortIds;
+        if (r.sinkPortId == portId || std::find(srcs.begin(), srcs.end(), portId) != srcs.end()) {
+            result.push_back(&r);
+        }
+    }
+    return result;
+}
+
 internal::Configuration& Module::getConfig() {
     if (!mConfig) {
         mConfig = std::move(initializeConfig());
@@ -321,6 +357,24 @@
     return *mConfig;
 }
 
+std::set<int32_t> Module::getRoutableAudioPortIds(int32_t portId,
+                                                  std::vector<AudioRoute*>* routes) {
+    std::vector<AudioRoute*> routesStorage;
+    if (routes == nullptr) {
+        routesStorage = getAudioRoutesForAudioPortImpl(portId);
+        routes = &routesStorage;
+    }
+    std::set<int32_t> result;
+    for (AudioRoute* r : *routes) {
+        if (r->sinkPortId == portId) {
+            result.insert(r->sourcePortIds.begin(), r->sourcePortIds.end());
+        } else {
+            result.insert(r->sinkPortId);
+        }
+    }
+    return result;
+}
+
 void Module::registerPatch(const AudioPatch& patch) {
     auto& configs = getConfig().portConfigs;
     auto do_insert = [&](const std::vector<int32_t>& portConfigIds) {
@@ -510,7 +564,31 @@
         }
     }
 
-    if (connectedPort.profiles.empty()) {
+    // Two main cases are considered with regard to the profiles of the connected device port:
+    //
+    //  1. If the template device port has dynamic profiles, and at least one routable mix
+    //     port also has dynamic profiles, it means that after connecting the device, the
+    //     connected device port must have profiles populated with actual capabilities of
+    //     the connected device, and dynamic of routable mix ports will be filled
+    //     according to these capabilities. An example of this case is connection of an
+    //     HDMI or USB device. For USB handled by ADSP, there can be mix ports with static
+    //     profiles, and one dedicated mix port for "hi-fi" playback. The latter is left with
+    //     dynamic profiles so that they can be populated with actual capabilities of
+    //     the connected device.
+    //
+    //  2. If the template device port has dynamic profiles, while all routable mix ports
+    //     have static profiles, it means that after connecting the device, the connected
+    //     device port can be left with dynamic profiles, and profiles of mix ports are
+    //     left untouched. An example of this case is connection of an analog wired
+    //     headset, it should be treated in the same way as a speaker.
+    //
+    //  Yet another possible case is when both the template device port and all routable
+    //  mix ports have static profiles. This is allowed and handled correctly, however, it
+    //  is not very practical, since these profiles are likely duplicates of each other.
+
+    std::vector<AudioRoute*> routesToMixPorts = getAudioRoutesForAudioPortImpl(templateId);
+    std::set<int32_t> routableMixPortIds = getRoutableAudioPortIds(templateId, &routesToMixPorts);
+    if (hasDynamicProfilesOnly(connectedPort.profiles)) {
         if (!mDebug.simulateDeviceConnections) {
             RETURN_STATUS_IF_ERROR(populateConnectedDevicePort(&connectedPort));
         } else {
@@ -520,23 +598,22 @@
                 connectedPort.profiles = connectedProfilesIt->second;
             }
         }
-        if (connectedPort.profiles.empty()) {
-            LOG(ERROR) << __func__
-                       << ": profiles of a connected port still empty after connecting external "
-                          "device "
-                       << connectedPort.toString();
-            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
-        }
-    }
-
-    for (auto profile : connectedPort.profiles) {
-        if (profile.channelMasks.empty()) {
-            LOG(ERROR) << __func__ << ": the profile " << profile.name << " has no channel masks";
-            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
-        }
-        if (profile.sampleRates.empty()) {
-            LOG(ERROR) << __func__ << ": the profile " << profile.name << " has no sample rates";
-            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+        if (hasDynamicProfilesOnly(connectedPort.profiles)) {
+            // Possible case 2. Check if all routable mix ports have static profiles.
+            if (auto dynamicMixPortIt = std::find_if(ports.begin(), ports.end(),
+                                                     [&routableMixPortIds](const auto& p) {
+                                                         return routableMixPortIds.count(p.id) >
+                                                                        0 &&
+                                                                hasDynamicProfilesOnly(p.profiles);
+                                                     });
+                dynamicMixPortIt != ports.end()) {
+                LOG(ERROR) << __func__
+                           << ": connected port only has dynamic profiles after connecting "
+                           << "external device " << connectedPort.toString() << ", and there exist "
+                           << "a routable mix port with dynamic profiles: "
+                           << dynamicMixPortIt->toString();
+                return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+            }
         }
     }
 
@@ -548,44 +625,36 @@
     ports.push_back(connectedPort);
     onExternalDeviceConnectionChanged(connectedPort, true /*connected*/);
 
-    std::vector<int32_t> routablePortIds;
+    // For routes where the template port is a source, add the connected port to sources,
+    // otherwise, create a new route by copying from the route for the template port.
     std::vector<AudioRoute> newRoutes;
-    auto& routes = getConfig().routes;
-    for (auto& r : routes) {
-        if (r.sinkPortId == templateId) {
-            AudioRoute newRoute;
-            newRoute.sourcePortIds = r.sourcePortIds;
-            newRoute.sinkPortId = connectedPort.id;
-            newRoute.isExclusive = r.isExclusive;
-            newRoutes.push_back(std::move(newRoute));
-            routablePortIds.insert(routablePortIds.end(), r.sourcePortIds.begin(),
-                                   r.sourcePortIds.end());
+    for (AudioRoute* r : routesToMixPorts) {
+        if (r->sinkPortId == templateId) {
+            newRoutes.push_back(AudioRoute{.sourcePortIds = r->sourcePortIds,
+                                           .sinkPortId = connectedPort.id,
+                                           .isExclusive = r->isExclusive});
         } else {
-            auto& srcs = r.sourcePortIds;
-            if (std::find(srcs.begin(), srcs.end(), templateId) != srcs.end()) {
-                srcs.push_back(connectedPort.id);
-                routablePortIds.push_back(r.sinkPortId);
-            }
+            r->sourcePortIds.push_back(connectedPort.id);
         }
     }
+    auto& routes = getConfig().routes;
     routes.insert(routes.end(), newRoutes.begin(), newRoutes.end());
 
-    // Note: this is a simplistic approach assuming that a mix port can only be populated
-    // from a single device port. Implementing support for stuffing dynamic profiles with a superset
-    // of all profiles from all routable dynamic device ports would be more involved.
-    for (const auto mixPortId : routablePortIds) {
-        auto portsIt = findById<AudioPort>(ports, mixPortId);
-        if (portsIt != ports.end()) {
-            if (portsIt->profiles.empty()) {
-                portsIt->profiles = connectedPort.profiles;
-                connectedPortsIt->second.insert(portsIt->id);
+    if (!hasDynamicProfilesOnly(connectedPort.profiles) && !routableMixPortIds.empty()) {
+        // Note: this is a simplistic approach assuming that a mix port can only be populated
+        // from a single device port. Implementing support for stuffing dynamic profiles with
+        // a superset of all profiles from all routable dynamic device ports would be more involved.
+        for (auto& port : ports) {
+            if (routableMixPortIds.count(port.id) == 0) continue;
+            if (hasDynamicProfilesOnly(port.profiles)) {
+                port.profiles = connectedPort.profiles;
+                connectedPortsIt->second.insert(port.id);
             } else {
-                // Check if profiles are non empty because they were populated by
-                // a previous connection. Otherwise, it means that they are not empty because
-                // the mix port has static profiles.
-                for (const auto cp : mConnectedDevicePorts) {
-                    if (cp.second.count(portsIt->id) > 0) {
-                        connectedPortsIt->second.insert(portsIt->id);
+                // Check if profiles are not all dynamic because they were populated by
+                // a previous connection. Otherwise, it means that they are actually static.
+                for (const auto& cp : mConnectedDevicePorts) {
+                    if (cp.second.count(port.id) > 0) {
+                        connectedPortsIt->second.insert(port.id);
                         break;
                     }
                 }
@@ -705,13 +774,9 @@
         LOG(ERROR) << __func__ << ": port id " << in_portId << " not found";
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
     }
-    auto& routes = getConfig().routes;
-    std::copy_if(routes.begin(), routes.end(), std::back_inserter(*_aidl_return),
-                 [&](const auto& r) {
-                     const auto& srcs = r.sourcePortIds;
-                     return r.sinkPortId == in_portId ||
-                            std::find(srcs.begin(), srcs.end(), in_portId) != srcs.end();
-                 });
+    std::vector<AudioRoute*> routes = getAudioRoutesForAudioPortImpl(in_portId);
+    std::transform(routes.begin(), routes.end(), std::back_inserter(*_aidl_return),
+                   [](auto rptr) { return *rptr; });
     return ndk::ScopedAStatus::ok();
 }
 
@@ -925,13 +990,14 @@
 
     const int portId = existing != configs.end() ? existing->portId : in_requested.portId;
     if (portId == 0) {
-        LOG(ERROR) << __func__ << ": input port config does not specify portId";
+        LOG(ERROR) << __func__ << ": requested port config does not specify portId";
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
     }
     auto& ports = getConfig().ports;
     auto portIt = findById<AudioPort>(ports, portId);
     if (portIt == ports.end()) {
-        LOG(ERROR) << __func__ << ": input port config points to non-existent portId " << portId;
+        LOG(ERROR) << __func__ << ": requested port config points to non-existent portId "
+                   << portId;
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
     }
     if (existing != configs.end()) {
@@ -949,6 +1015,10 @@
     // or a new generated config. Now attempt to update it according to the specified
     // fields of 'in_requested'.
 
+    // Device ports with only dynamic profiles are used for devices that are connected via ADSP,
+    // which takes care of their actual configuration automatically.
+    const bool allowDynamicConfig = portIt->ext.getTag() == AudioPortExt::device &&
+                                    hasDynamicProfilesOnly(portIt->profiles);
     bool requestedIsValid = true, requestedIsFullySpecified = true;
 
     AudioIoFlags portFlags = portIt->flags;
@@ -966,17 +1036,19 @@
     AudioProfile portProfile;
     if (in_requested.format.has_value()) {
         const auto& format = in_requested.format.value();
-        if (findAudioProfile(*portIt, format, &portProfile)) {
+        if ((format == AudioFormatDescription{} && allowDynamicConfig) ||
+            findAudioProfile(*portIt, format, &portProfile)) {
             out_suggested->format = format;
         } else {
             LOG(WARNING) << __func__ << ": requested format " << format.toString()
-                         << " is not found in port's " << portId << " profiles";
+                         << " is not found in the profiles of port " << portId;
             requestedIsValid = false;
         }
     } else {
         requestedIsFullySpecified = false;
     }
-    if (!findAudioProfile(*portIt, out_suggested->format.value(), &portProfile)) {
+    if (!(out_suggested->format.value() == AudioFormatDescription{} && allowDynamicConfig) &&
+        !findAudioProfile(*portIt, out_suggested->format.value(), &portProfile)) {
         LOG(ERROR) << __func__ << ": port " << portId << " does not support format "
                    << out_suggested->format.value().toString() << " anymore";
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
@@ -984,8 +1056,9 @@
 
     if (in_requested.channelMask.has_value()) {
         const auto& channelMask = in_requested.channelMask.value();
-        if (find(portProfile.channelMasks.begin(), portProfile.channelMasks.end(), channelMask) !=
-            portProfile.channelMasks.end()) {
+        if ((channelMask == AudioChannelLayout{} && allowDynamicConfig) ||
+            find(portProfile.channelMasks.begin(), portProfile.channelMasks.end(), channelMask) !=
+                    portProfile.channelMasks.end()) {
             out_suggested->channelMask = channelMask;
         } else {
             LOG(WARNING) << __func__ << ": requested channel mask " << channelMask.toString()
@@ -999,7 +1072,8 @@
 
     if (in_requested.sampleRate.has_value()) {
         const auto& sampleRate = in_requested.sampleRate.value();
-        if (find(portProfile.sampleRates.begin(), portProfile.sampleRates.end(),
+        if ((sampleRate.value == 0 && allowDynamicConfig) ||
+            find(portProfile.sampleRates.begin(), portProfile.sampleRates.end(),
                  sampleRate.value) != portProfile.sampleRates.end()) {
             out_suggested->sampleRate = sampleRate;
         } else {
@@ -1397,7 +1471,18 @@
     return mIsMmapSupported.value();
 }
 
-ndk::ScopedAStatus Module::populateConnectedDevicePort(AudioPort* audioPort __unused) {
+ndk::ScopedAStatus Module::populateConnectedDevicePort(AudioPort* audioPort) {
+    if (audioPort->ext.getTag() != AudioPortExt::device) {
+        LOG(ERROR) << __func__ << ": not a device port: " << audioPort->toString();
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    const auto& devicePort = audioPort->ext.get<AudioPortExt::device>();
+    if (!devicePort.device.type.connection.empty()) {
+        LOG(ERROR) << __func__
+                   << ": module implementation must override 'populateConnectedDevicePort' "
+                   << "to handle connection of external devices.";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
     LOG(VERBOSE) << __func__ << ": do nothing and return ok";
     return ndk::ScopedAStatus::ok();
 }
diff --git a/audio/aidl/default/bluetooth/ModuleBluetooth.cpp b/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
index bfe7ca0..3c33207 100644
--- a/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
+++ b/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
@@ -18,15 +18,23 @@
 
 #include <android-base/logging.h>
 
+#include "BluetoothAudioSessionControl.h"
 #include "core-impl/ModuleBluetooth.h"
 #include "core-impl/StreamBluetooth.h"
 
 namespace aidl::android::hardware::audio::core {
 
-using aidl::android::hardware::audio::common::SinkMetadata;
-using aidl::android::hardware::audio::common::SourceMetadata;
-using aidl::android::media::audio::common::AudioOffloadInfo;
-using aidl::android::media::audio::common::MicrophoneInfo;
+using ::aidl::android::hardware::audio::common::SinkMetadata;
+using ::aidl::android::hardware::audio::common::SourceMetadata;
+using ::aidl::android::hardware::bluetooth::audio::BluetoothAudioSession;
+using ::aidl::android::media::audio::common::AudioDeviceDescription;
+using ::aidl::android::media::audio::common::AudioDeviceType;
+using ::aidl::android::media::audio::common::AudioOffloadInfo;
+using ::aidl::android::media::audio::common::AudioPort;
+using ::aidl::android::media::audio::common::AudioPortExt;
+using ::aidl::android::media::audio::common::MicrophoneInfo;
+using ::android::bluetooth::audio::aidl::BluetoothAudioPortAidl;
+using ::android::bluetooth::audio::aidl::BluetoothAudioPortAidlOut;
 
 ndk::ScopedAStatus ModuleBluetooth::getBluetoothA2dp(
         std::shared_ptr<IBluetoothA2dp>* _aidl_return) {
@@ -80,6 +88,49 @@
                                                     offloadInfo, getBtProfileManagerHandles());
 }
 
+ndk::ScopedAStatus ModuleBluetooth::populateConnectedDevicePort(AudioPort* audioPort) {
+    if (audioPort->ext.getTag() != AudioPortExt::device) {
+        LOG(ERROR) << __func__ << ": not a device port: " << audioPort->toString();
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    const auto& devicePort = audioPort->ext.get<AudioPortExt::device>();
+    const auto& description = devicePort.device.type;
+    // Since the configuration of the BT module is static, there is nothing to populate here.
+    // However, this method must return an error when the device can not be connected,
+    // this is determined by the status of BT profiles.
+    if (description.connection == AudioDeviceDescription::CONNECTION_BT_A2DP) {
+        bool isA2dpEnabled = false;
+        if (!!mBluetoothA2dp) {
+            RETURN_STATUS_IF_ERROR(mBluetoothA2dp.getInstance()->isEnabled(&isA2dpEnabled));
+        }
+        return isA2dpEnabled ? ndk::ScopedAStatus::ok()
+                             : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    } else if (description.connection == AudioDeviceDescription::CONNECTION_BT_LE) {
+        bool isLeEnabled = false;
+        if (!!mBluetoothLe) {
+            RETURN_STATUS_IF_ERROR(mBluetoothLe.getInstance()->isEnabled(&isLeEnabled));
+        }
+        return isLeEnabled ? ndk::ScopedAStatus::ok()
+                           : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    } else if (description.connection == AudioDeviceDescription::CONNECTION_WIRELESS &&
+               description.type == AudioDeviceType::OUT_HEARING_AID) {
+        // Hearing aids can use a number of profiles, thus the only way to check
+        // connectivity is to try to talk to the BT HAL.
+        if (!BluetoothAudioSession::IsAidlAvailable()) {
+            return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+        }
+        std::shared_ptr<BluetoothAudioPortAidl> proxy = std::shared_ptr<BluetoothAudioPortAidl>(
+                std::make_shared<BluetoothAudioPortAidlOut>());
+        if (proxy->registerPort(description)) {
+            proxy->unregisterPort();
+            return ndk::ScopedAStatus::ok();
+        }
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
+    LOG(ERROR) << __func__ << ": unsupported device type: " << audioPort->toString();
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+}
+
 ndk::ScopedAStatus ModuleBluetooth::onMasterMuteChanged(bool) {
     LOG(DEBUG) << __func__ << ": is not supported";
     return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
diff --git a/audio/aidl/default/include/core-impl/Module.h b/audio/aidl/default/include/core-impl/Module.h
index bfdab51..da94815 100644
--- a/audio/aidl/default/include/core-impl/Module.h
+++ b/audio/aidl/default/include/core-impl/Module.h
@@ -202,6 +202,7 @@
     std::set<int32_t> findConnectedPortConfigIds(int32_t portConfigId);
     ndk::ScopedAStatus findPortIdForNewStream(
             int32_t in_portConfigId, ::aidl::android::media::audio::common::AudioPort** port);
+    std::vector<AudioRoute*> getAudioRoutesForAudioPortImpl(int32_t portId);
     virtual BtProfileHandles getBtProfileManagerHandles();
     internal::Configuration& getConfig();
     const ConnectedDevicePorts& getConnectedDevicePorts() const { return mConnectedDevicePorts; }
@@ -209,6 +210,8 @@
     bool getMasterVolume() const { return mMasterVolume; }
     bool getMicMute() const { return mMicMute; }
     const Patches& getPatches() const { return mPatches; }
+    std::set<int32_t> getRoutableAudioPortIds(int32_t portId,
+                                              std::vector<AudioRoute*>* routes = nullptr);
     const Streams& getStreams() const { return mStreams; }
     Type getType() const { return mType; }
     bool isMmapSupported();
diff --git a/audio/aidl/default/include/core-impl/ModuleBluetooth.h b/audio/aidl/default/include/core-impl/ModuleBluetooth.h
index 68b4e6b..526a809 100644
--- a/audio/aidl/default/include/core-impl/ModuleBluetooth.h
+++ b/audio/aidl/default/include/core-impl/ModuleBluetooth.h
@@ -44,6 +44,8 @@
             const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&
                     offloadInfo,
             std::shared_ptr<StreamOut>* result) override;
+    ndk::ScopedAStatus populateConnectedDevicePort(
+            ::aidl::android::media::audio::common::AudioPort* audioPort) override;
     ndk::ScopedAStatus onMasterMuteChanged(bool mute) override;
     ndk::ScopedAStatus onMasterVolumeChanged(float volume) override;
 
@@ -51,4 +53,4 @@
     ChildInterface<IBluetoothLe> mBluetoothLe;
 };
 
-}  // namespace aidl::android::hardware::audio::core
\ No newline at end of file
+}  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp b/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
index adea877..f8c775f 100644
--- a/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
+++ b/audio/aidl/default/r_submix/ModuleRemoteSubmix.cpp
@@ -59,23 +59,22 @@
 
 ndk::ScopedAStatus ModuleRemoteSubmix::populateConnectedDevicePort(AudioPort* audioPort) {
     // Find the corresponding mix port and copy its profiles.
-    std::vector<AudioRoute> routes;
     // At this moment, the port has the same ID as the template port, see connectExternalDevice.
-    RETURN_STATUS_IF_ERROR(getAudioRoutesForAudioPort(audioPort->id, &routes));
+    std::vector<AudioRoute*> routes = getAudioRoutesForAudioPortImpl(audioPort->id);
     if (routes.empty()) {
         LOG(ERROR) << __func__ << ": no routes found for the port " << audioPort->toString();
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
     }
     const auto& route = *routes.begin();
     AudioPort mixPort;
-    if (route.sinkPortId == audioPort->id) {
-        if (route.sourcePortIds.empty()) {
-            LOG(ERROR) << __func__ << ": invalid route " << route.toString();
+    if (route->sinkPortId == audioPort->id) {
+        if (route->sourcePortIds.empty()) {
+            LOG(ERROR) << __func__ << ": invalid route " << route->toString();
             return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
         }
-        RETURN_STATUS_IF_ERROR(getAudioPort(*route.sourcePortIds.begin(), &mixPort));
+        RETURN_STATUS_IF_ERROR(getAudioPort(*route->sourcePortIds.begin(), &mixPort));
     } else {
-        RETURN_STATUS_IF_ERROR(getAudioPort(route.sinkPortId, &mixPort));
+        RETURN_STATUS_IF_ERROR(getAudioPort(route->sinkPortId, &mixPort));
     }
     audioPort->profiles = mixPort.profiles;
     return ndk::ScopedAStatus::ok();