diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index c7a60c2..b0eb3b7 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -41,26 +41,25 @@
 // AudioPolicyEffects Implementation
 // ----------------------------------------------------------------------------
 
-AudioPolicyEffects::AudioPolicyEffects()
-{
-    status_t loadResult = loadAudioEffectXmlConfig();
+AudioPolicyEffects::AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    // load xml config with effectsFactoryHal
+    status_t loadResult = loadAudioEffectConfig(effectsFactoryHal);
     if (loadResult == NO_ERROR) {
-        mDefaultDeviceEffectFuture = std::async(
-                    std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
+        mDefaultDeviceEffectFuture =
+                std::async(std::launch::async, &AudioPolicyEffects::initDefaultDeviceEffects, this);
     } else if (loadResult < 0) {
-        ALOGW("Failed to load XML effect configuration, fallback to .conf");
+        ALOGW("Failed to query effect configuration, fallback to load .conf");
         // load automatic audio effect modules
         if (access(AUDIO_EFFECT_VENDOR_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_VENDOR_CONFIG_FILE);
         } else if (access(AUDIO_EFFECT_DEFAULT_CONFIG_FILE, R_OK) == 0) {
-            loadAudioEffectConfig(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
+            loadAudioEffectConfigLegacy(AUDIO_EFFECT_DEFAULT_CONFIG_FILE);
         }
     } else if (loadResult > 0) {
         ALOGE("Effect config is partially invalid, skipped %d elements", loadResult);
     }
 }
 
-
 AudioPolicyEffects::~AudioPolicyEffects()
 {
     size_t i = 0;
@@ -907,12 +906,16 @@
     return NO_ERROR;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectXmlConfig() {
-    auto result = effectsConfig::parse();
-    if (result.parsedConfig == nullptr) {
-        return -ENOENT;
+status_t AudioPolicyEffects::loadAudioEffectConfig(
+        const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
+    if (!effectsFactoryHal) {
+        ALOGE("%s Null EffectsFactoryHalInterface", __func__);
+        return UNEXPECTED_NULL;
     }
 
+    const auto& processings = effectsFactoryHal->getProcessings();
+    const auto& skippedElements = VALUE_OR_RETURN_STATUS(processings.result);
+
     auto loadProcessingChain = [](auto& processingChain, auto& streams) {
         for (auto& stream : processingChain) {
             auto effectDescs = std::make_unique<EffectDescVector>();
@@ -924,9 +927,8 @@
         }
     };
 
-    auto loadDeviceProcessingChain = [](auto &processingChain, auto& devicesEffects) {
+    auto loadDeviceProcessingChain = [](auto& processingChain, auto& devicesEffects) {
         for (auto& deviceProcess : processingChain) {
-
             auto effectDescs = std::make_unique<EffectDescVector>();
             for (auto& effect : deviceProcess.effects) {
                 effectDescs->mEffects.add(
@@ -938,17 +940,18 @@
         }
     };
 
-    loadProcessingChain(result.parsedConfig->preprocess, mInputSources);
-    loadProcessingChain(result.parsedConfig->postprocess, mOutputStreams);
+    loadProcessingChain(processings.preprocess, mInputSources);
+    loadProcessingChain(processings.postprocess, mOutputStreams);
+
     {
         Mutex::Autolock _l(mLock);
-        loadDeviceProcessingChain(result.parsedConfig->deviceprocess, mDeviceEffects);
+        loadDeviceProcessingChain(processings.deviceprocess, mDeviceEffects);
     }
-    // Casting from ssize_t to status_t is probably safe, there should not be more than 2^31 errors
-    return result.nbSkippedElement;
+
+    return skippedElements;
 }
 
-status_t AudioPolicyEffects::loadAudioEffectConfig(const char *path)
+status_t AudioPolicyEffects::loadAudioEffectConfigLegacy(const char *path)
 {
     cnode *root;
     char *data;
diff --git a/services/audiopolicy/service/AudioPolicyEffects.h b/services/audiopolicy/service/AudioPolicyEffects.h
index 13d5d0c..6ed11f1 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.h
+++ b/services/audiopolicy/service/AudioPolicyEffects.h
@@ -20,22 +20,33 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <future>
+
+#include <android-base/thread_annotations.h>
 #include <cutils/misc.h>
 #include <media/AudioEffect.h>
+#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <system/audio.h>
 #include <utils/Vector.h>
 #include <utils/SortedVector.h>
-#include <android-base/thread_annotations.h>
-
-#include <future>
 
 namespace android {
 
 // ----------------------------------------------------------------------------
 
-// AudioPolicyEffects class
-// This class will manage all effects attached to input and output streams in
-// AudioPolicyService as configured in audio_effects.conf.
+/**
+ * AudioPolicyEffects class.
+ *
+ * This class manages all effects attached to input and output streams in AudioPolicyService.
+ * The effect configurations caa be queried in several ways:
+ *
+ * With HIDL HAL, the configuration file `audio_effects.xml` will be loaded by libAudioHal. If this
+ * file does not exist, AudioPolicyEffects class will fallback to load configuration from
+ * `/vendor/etc/audio_effects.conf` (AUDIO_EFFECT_VENDOR_CONFIG_FILE). If this file also does not
+ * exist, the configuration will be loaded from the file `/system/etc/audio_effects.conf`.
+ *
+ * With AIDL HAL, the configuration will be queried with the method `IFactory::queryProcessing()`.
+ */
 class AudioPolicyEffects : public RefBase
 {
 
@@ -44,7 +55,7 @@
     // The constructor will parse audio_effects.conf
     // First it will look whether vendor specific file exists,
     // otherwise it will parse the system default file.
-	         AudioPolicyEffects();
+    AudioPolicyEffects(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
     virtual ~AudioPolicyEffects();
 
     // NOTE: methods on AudioPolicyEffects should never be called with the AudioPolicyService
@@ -218,7 +229,6 @@
 
     };
 
-
     static const char * const kInputSourceNames[AUDIO_SOURCE_CNT -1];
     static audio_source_t inputSourceNameToEnum(const char *name);
 
@@ -226,8 +236,8 @@
     audio_stream_type_t streamNameToEnum(const char *name);
 
     // Parse audio_effects.conf
-    status_t loadAudioEffectConfig(const char *path); // TODO: add legacy in the name
-    status_t loadAudioEffectXmlConfig(); // TODO: remove "Xml" in the name
+    status_t loadAudioEffectConfigLegacy(const char *path);
+    status_t loadAudioEffectConfig(const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
 
     // Load all effects descriptors in configuration file
     status_t loadEffects(cnode *root, Vector <EffectDesc *>& effects);
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index f34427c..0df3962 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -460,14 +460,14 @@
     }
     ALOGV("startOutput()");
     sp<AudioPlaybackClient> client;
-    sp<AudioPolicyEffects>audioPolicyEffects;
+    sp<AudioPolicyEffects> audioPolicyEffects;
 
     getPlaybackClientAndEffects(portId, client, audioPolicyEffects, __func__);
 
     if (audioPolicyEffects != 0) {
         // create audio processors according to stream
-        status_t status = audioPolicyEffects->addOutputSessionEffects(
-            client->io, client->stream, client->session);
+        status_t status = audioPolicyEffects->addOutputSessionEffects(client->io, client->stream,
+                                                                      client->session);
         if (status != NO_ERROR && status != ALREADY_EXISTS) {
             ALOGW("Failed to add effects on session %d", client->session);
         }
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 281785e..040f869 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -252,7 +252,8 @@
     }
 
     // load audio processing modules
-    sp<AudioPolicyEffects> audioPolicyEffects = new AudioPolicyEffects();
+    const sp<EffectsFactoryHalInterface> effectsFactoryHal = EffectsFactoryHalInterface::create();
+    sp<AudioPolicyEffects> audioPolicyEffects = new AudioPolicyEffects(effectsFactoryHal);
     sp<UidPolicy> uidPolicy = new UidPolicy(this);
     sp<SensorPrivacyPolicy> sensorPrivacyPolicy = new SensorPrivacyPolicy(this);
     {
@@ -271,7 +272,7 @@
         AudioDeviceTypeAddrVector devices;
         bool hasSpatializer = mAudioPolicyManager->canBeSpatialized(&attr, nullptr, devices);
         if (hasSpatializer) {
-            mSpatializer = Spatializer::create(this);
+            mSpatializer = Spatializer::create(this, effectsFactoryHal);
         }
         if (mSpatializer == nullptr) {
             // No spatializer created, signal the reason: NO_INIT a failure, OK means intended.
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index 5db82f7..f0d5274 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -30,7 +30,6 @@
 #include <audio_utils/fixedfft.h>
 #include <cutils/bitops.h>
 #include <hardware/sensors.h>
-#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <media/stagefright/foundation/AHandler.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/MediaMetricsItem.h>
@@ -215,18 +214,17 @@
 };
 
 // ---------------------------------------------------------------------------
-sp<Spatializer> Spatializer::create(SpatializerPolicyCallback *callback) {
+sp<Spatializer> Spatializer::create(SpatializerPolicyCallback* callback,
+                                    const sp<EffectsFactoryHalInterface>& effectsFactoryHal) {
     sp<Spatializer> spatializer;
 
-    sp<EffectsFactoryHalInterface> effectsFactoryHal = EffectsFactoryHalInterface::create();
     if (effectsFactoryHal == nullptr) {
         ALOGW("%s failed to create effect factory interface", __func__);
         return spatializer;
     }
 
     std::vector<effect_descriptor_t> descriptors;
-    status_t status =
-            effectsFactoryHal->getDescriptors(FX_IID_SPATIALIZER, &descriptors);
+    status_t status = effectsFactoryHal->getDescriptors(FX_IID_SPATIALIZER, &descriptors);
     if (status != NO_ERROR) {
         ALOGW("%s failed to get spatializer descriptor, error %d", __func__, status);
         return spatializer;
diff --git a/services/audiopolicy/service/Spatializer.h b/services/audiopolicy/service/Spatializer.h
index 60030bd..a657b7f 100644
--- a/services/audiopolicy/service/Spatializer.h
+++ b/services/audiopolicy/service/Spatializer.h
@@ -27,6 +27,7 @@
 #include <audio_utils/SimpleLog.h>
 #include <math.h>
 #include <media/AudioEffect.h>
+#include <media/audiohal/EffectsFactoryHalInterface.h>
 #include <media/VectorRecorder.h>
 #include <media/audiohal/EffectHalInterface.h>
 #include <media/stagefright/foundation/ALooper.h>
@@ -94,7 +95,8 @@
                     private SpatializerPoseController::Listener,
                     public virtual AudioSystem::SupportedLatencyModesCallback {
   public:
-    static sp<Spatializer> create(SpatializerPolicyCallback *callback);
+    static sp<Spatializer> create(SpatializerPolicyCallback* callback,
+                                  const sp<EffectsFactoryHalInterface>& effectsFactoryHal);
 
            ~Spatializer() override;