diff --git a/audio/aidl/default/Configuration.cpp b/audio/aidl/default/Configuration.cpp
index cf5f066c7c..a20bb54ea8 100644
--- a/audio/aidl/default/Configuration.cpp
+++ b/audio/aidl/default/Configuration.cpp
@@ -41,6 +41,7 @@ using aidl::android::media::audio::common::AudioPortExt;
 using aidl::android::media::audio::common::AudioPortMixExt;
 using aidl::android::media::audio::common::AudioProfile;
 using aidl::android::media::audio::common::Int;
+using aidl::android::media::audio::common::MicrophoneInfo;
 using aidl::android::media::audio::common::PcmType;
 using Configuration = aidl::android::hardware::audio::core::Module::Configuration;
 
@@ -273,6 +274,13 @@ std::unique_ptr<Configuration> getPrimaryConfiguration() {
 
         c.portConfigs.insert(c.portConfigs.end(), c.initialConfigs.begin(), c.initialConfigs.end());
 
+        MicrophoneInfo mic;
+        mic.id = "mic";
+        mic.device = micInDevice.ext.get<AudioPortExt::Tag::device>().device;
+        mic.group = 0;
+        mic.indexInTheGroup = 0;
+        c.microphones = std::vector<MicrophoneInfo>{mic};
+
         return c;
     }();
     return std::make_unique<Configuration>(configuration);
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index e9be348448..def812b1a6 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -43,7 +43,6 @@ using aidl::android::hardware::audio::common::SourceMetadata;
 using aidl::android::hardware::audio::core::sounddose::ISoundDose;
 using aidl::android::media::audio::common::AudioChannelLayout;
 using aidl::android::media::audio::common::AudioDevice;
-using aidl::android::media::audio::common::AudioDeviceType;
 using aidl::android::media::audio::common::AudioFormatDescription;
 using aidl::android::media::audio::common::AudioFormatType;
 using aidl::android::media::audio::common::AudioInputFlags;
@@ -801,7 +800,7 @@ ndk::ScopedAStatus Module::openInputStream(const OpenInputStreamArguments& in_ar
     context.fillDescriptor(&_aidl_return->desc);
     std::shared_ptr<StreamIn> stream;
     RETURN_STATUS_IF_ERROR(createInputStream(std::move(context), in_args.sinkMetadata,
-                                             getMicrophoneInfos(), &stream));
+                                             getConfig().microphones, &stream));
     StreamWrapper streamWrapper(stream);
     if (auto patchIt = mPatches.find(in_args.portConfigId); patchIt != mPatches.end()) {
         RETURN_STATUS_IF_ERROR(
@@ -1235,7 +1234,7 @@ ndk::ScopedAStatus Module::setMicMute(bool in_mute) {
 }
 
 ndk::ScopedAStatus Module::getMicrophones(std::vector<MicrophoneInfo>* _aidl_return) {
-    *_aidl_return = getMicrophoneInfos();
+    *_aidl_return = getConfig().microphones;
     LOG(DEBUG) << __func__ << ": returning " << ::android::internal::ToString(*_aidl_return);
     return ndk::ScopedAStatus::ok();
 }
@@ -1514,29 +1513,6 @@ ndk::ScopedAStatus Module::onMasterVolumeChanged(float volume __unused) {
     return ndk::ScopedAStatus::ok();
 }
 
-std::vector<MicrophoneInfo> Module::getMicrophoneInfos() {
-    std::vector<MicrophoneInfo> result;
-    Configuration& config = getConfig();
-    for (const AudioPort& port : config.ports) {
-        if (port.ext.getTag() == AudioPortExt::Tag::device) {
-            const AudioDeviceType deviceType =
-                    port.ext.get<AudioPortExt::Tag::device>().device.type.type;
-            if (deviceType == AudioDeviceType::IN_MICROPHONE ||
-                deviceType == AudioDeviceType::IN_MICROPHONE_BACK) {
-                // Placeholder values. Vendor implementations must populate MicrophoneInfo
-                // accordingly based on their physical microphone parameters.
-                result.push_back(MicrophoneInfo{
-                        .id = port.name,
-                        .device = port.ext.get<AudioPortExt::Tag::device>().device,
-                        .group = 0,
-                        .indexInTheGroup = 0,
-                });
-            }
-        }
-    }
-    return result;
-}
-
 Module::BtProfileHandles Module::getBtProfileManagerHandles() {
     return std::make_tuple(std::weak_ptr<IBluetooth>(), std::weak_ptr<IBluetoothA2dp>(),
                            std::weak_ptr<IBluetoothLe>());
diff --git a/audio/aidl/default/include/core-impl/Module.h b/audio/aidl/default/include/core-impl/Module.h
index c269cc1473..64953cf1cf 100644
--- a/audio/aidl/default/include/core-impl/Module.h
+++ b/audio/aidl/default/include/core-impl/Module.h
@@ -32,6 +32,7 @@ namespace aidl::android::hardware::audio::core {
 class Module : public BnModule {
   public:
     struct Configuration {
+        std::vector<::aidl::android::media::audio::common::MicrophoneInfo> microphones;
         std::vector<::aidl::android::media::audio::common::AudioPort> ports;
         std::vector<::aidl::android::media::audio::common::AudioPortConfig> portConfigs;
         std::vector<::aidl::android::media::audio::common::AudioPortConfig> initialConfigs;
@@ -206,7 +207,6 @@ class Module : public BnModule {
             const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected);
     virtual ndk::ScopedAStatus onMasterMuteChanged(bool mute);
     virtual ndk::ScopedAStatus onMasterVolumeChanged(float volume);
-    virtual std::vector<::aidl::android::media::audio::common::MicrophoneInfo> getMicrophoneInfos();
     virtual std::unique_ptr<Configuration> initializeConfig();
 
     // Utility and helper functions accessible to subclasses.