diff --git a/audio/common/2.0/default/VersionUtils.h b/audio/common/2.0/default/VersionUtils.h
new file mode 100644
index 0000000..fef4680
--- /dev/null
+++ b/audio/common/2.0/default/VersionUtils.h
@@ -0,0 +1,39 @@
+/*
+ * 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_VERSION_UTILS_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+
+#include <android/hardware/audio/common/2.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace V2_0 {
+namespace implementation {
+
+typedef common::V2_0::AudioDevice AudioDeviceBitfield;
+typedef common::V2_0::AudioChannelMask AudioChannelBitfield;
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/4.0/default/VersionUtils.h b/audio/common/4.0/default/VersionUtils.h
new file mode 100644
index 0000000..515c792
--- /dev/null
+++ b/audio/common/4.0/default/VersionUtils.h
@@ -0,0 +1,39 @@
+/*
+ * 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_VERSION_UTILS_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+
+#include <android/hardware/audio/4.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace V4_0 {
+namespace implementation {
+
+typedef hidl_bitfield<common::V4_0::AudioDevice> AudioDeviceBitfield;
+typedef hidl_bitfield<common::V4_0::AudioChannelMask> AudioChannelBitfield;
+
+}  // namespace implementation
+}  // namespace V4_0
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp b/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
new file mode 100644
index 0000000..242740e
--- /dev/null
+++ b/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "AEC_Effect_HAL"
+
+#include "AcousticEchoCancelerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AcousticEchoCancelerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.h b/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
new file mode 100644
index 0000000..0ac0a1e
--- /dev/null
+++ b/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_ACOUSTICECHOCANCELEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IAcousticEchoCancelerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AcousticEchoCancelerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
diff --git a/audio/effect/4.0/default/Android.bp b/audio/effect/4.0/default/Android.bp
new file mode 100644
index 0000000..dcb2269
--- /dev/null
+++ b/audio/effect/4.0/default/Android.bp
@@ -0,0 +1,50 @@
+cc_library_shared {
+    name: "android.hardware.audio.effect@4.0-impl",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "AcousticEchoCancelerEffect.cpp",
+        "AudioBufferManager.cpp",
+        "AutomaticGainControlEffect.cpp",
+        "BassBoostEffect.cpp",
+        "Conversions.cpp",
+        "DownmixEffect.cpp",
+        "Effect.cpp",
+        "EffectsFactory.cpp",
+        "EnvironmentalReverbEffect.cpp",
+        "EqualizerEffect.cpp",
+        "LoudnessEnhancerEffect.cpp",
+        "NoiseSuppressionEffect.cpp",
+        "PresetReverbEffect.cpp",
+        "VirtualizerEffect.cpp",
+        "VisualizerEffect.cpp",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libeffects",
+        "libfmq",
+        "libhidlbase",
+        "libhidlmemory",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.effect@4.0",
+        "android.hidl.memory@1.0",
+    ],
+
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+        "android.hardware.audio.effect@all-versions-impl",
+        "libaudio_system_headers",
+        "libaudioclient_headers",
+        "libeffects_headers",
+        "libhardware_headers",
+        "libmedia_headers",
+    ],
+}
diff --git a/audio/effect/4.0/default/AudioBufferManager.cpp b/audio/effect/4.0/default/AudioBufferManager.cpp
new file mode 100644
index 0000000..2d75f3f
--- /dev/null
+++ b/audio/effect/4.0/default/AudioBufferManager.cpp
@@ -0,0 +1,21 @@
+/*
+ * 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 "AudioBufferManager.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AudioBufferManager.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AudioBufferManager.h b/audio/effect/4.0/default/AudioBufferManager.h
new file mode 100644
index 0000000..1f151e6
--- /dev/null
+++ b/audio/effect/4.0/default/AudioBufferManager.h
@@ -0,0 +1,26 @@
+/*
+ * 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_V4_0_AUDIO_BUFFER_MANAGER_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
+
+#include <android/hardware/audio/effect/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AudioBufferManager.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.cpp b/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
new file mode 100644
index 0000000..9d21c8a
--- /dev/null
+++ b/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "AGC_Effect_HAL"
+
+#include "AutomaticGainControlEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AutomaticGainControlEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.h b/audio/effect/4.0/default/AutomaticGainControlEffect.h
new file mode 100644
index 0000000..7f12007
--- /dev/null
+++ b/audio/effect/4.0/default/AutomaticGainControlEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_AUTOMATICGAINCONTROLEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IAutomaticGainControlEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AutomaticGainControlEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
diff --git a/audio/effect/4.0/default/BassBoostEffect.cpp b/audio/effect/4.0/default/BassBoostEffect.cpp
new file mode 100644
index 0000000..74a626b
--- /dev/null
+++ b/audio/effect/4.0/default/BassBoostEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "BassBoost_HAL"
+
+#include "BassBoostEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/BassBoostEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/BassBoostEffect.h b/audio/effect/4.0/default/BassBoostEffect.h
new file mode 100644
index 0000000..206a75f
--- /dev/null
+++ b/audio/effect/4.0/default/BassBoostEffect.h
@@ -0,0 +1,30 @@
+/*
+ * 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_V4_0_BASSBOOSTEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IBassBoostEffect.h>
+
+#include <hidl/MQDescriptor.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/BassBoostEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
diff --git a/audio/effect/4.0/default/Conversions.cpp b/audio/effect/4.0/default/Conversions.cpp
new file mode 100644
index 0000000..91285ae
--- /dev/null
+++ b/audio/effect/4.0/default/Conversions.cpp
@@ -0,0 +1,24 @@
+/*
+ * 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 "HidlUtils.h"
+
+using ::android::hardware::audio::common::V4_0::HidlUtils;
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Conversions.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Conversions.h b/audio/effect/4.0/default/Conversions.h
new file mode 100644
index 0000000..50e380f
--- /dev/null
+++ b/audio/effect/4.0/default/Conversions.h
@@ -0,0 +1,26 @@
+/*
+ * 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_V4_0_CONVERSIONS_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
+
+#include <android/hardware/audio/effect/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Conversions.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
diff --git a/audio/effect/4.0/default/DownmixEffect.cpp b/audio/effect/4.0/default/DownmixEffect.cpp
new file mode 100644
index 0000000..07fcab2
--- /dev/null
+++ b/audio/effect/4.0/default/DownmixEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Downmix_HAL"
+
+#include "DownmixEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/DownmixEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/DownmixEffect.h b/audio/effect/4.0/default/DownmixEffect.h
new file mode 100644
index 0000000..5ae820b
--- /dev/null
+++ b/audio/effect/4.0/default/DownmixEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_DOWNMIXEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IDownmixEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/DownmixEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
diff --git a/audio/effect/4.0/default/Effect.cpp b/audio/effect/4.0/default/Effect.cpp
new file mode 100644
index 0000000..707044b
--- /dev/null
+++ b/audio/effect/4.0/default/Effect.cpp
@@ -0,0 +1,28 @@
+/*
+ * 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 <memory.h>
+
+#define LOG_TAG "EffectHAL"
+#define ATRACE_TAG ATRACE_TAG_AUDIO
+
+#include "Conversions.h"
+#include "Effect.h"
+#include "common/all-versions/default/EffectMap.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Effect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Effect.h b/audio/effect/4.0/default/Effect.h
new file mode 100644
index 0000000..9ca79c4
--- /dev/null
+++ b/audio/effect/4.0/default/Effect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_EFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IEffect.h>
+
+#include "AudioBufferManager.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Effect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
diff --git a/audio/effect/4.0/default/EffectsFactory.cpp b/audio/effect/4.0/default/EffectsFactory.cpp
new file mode 100644
index 0000000..ee0413d
--- /dev/null
+++ b/audio/effect/4.0/default/EffectsFactory.cpp
@@ -0,0 +1,39 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "EffectFactoryHAL"
+#include "EffectsFactory.h"
+#include "AcousticEchoCancelerEffect.h"
+#include "AutomaticGainControlEffect.h"
+#include "BassBoostEffect.h"
+#include "Conversions.h"
+#include "DownmixEffect.h"
+#include "Effect.h"
+#include "EnvironmentalReverbEffect.h"
+#include "EqualizerEffect.h"
+#include "HidlUtils.h"
+#include "LoudnessEnhancerEffect.h"
+#include "NoiseSuppressionEffect.h"
+#include "PresetReverbEffect.h"
+#include "VirtualizerEffect.h"
+#include "VisualizerEffect.h"
+#include "common/all-versions/default/EffectMap.h"
+
+using ::android::hardware::audio::common::V4_0::HidlUtils;
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EffectsFactory.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EffectsFactory.h b/audio/effect/4.0/default/EffectsFactory.h
new file mode 100644
index 0000000..48e4b4c
--- /dev/null
+++ b/audio/effect/4.0/default/EffectsFactory.h
@@ -0,0 +1,29 @@
+/*
+ * 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_V4_0_EFFECTSFACTORY_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
+
+#include <system/audio_effect.h>
+
+#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
+
+#include <hidl/MQDescriptor.h>
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EffectsFactory.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp b/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
new file mode 100644
index 0000000..cc3102d
--- /dev/null
+++ b/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
@@ -0,0 +1,24 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "EnvReverb_HAL"
+#include <android/log.h>
+
+#include "EnvironmentalReverbEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EnvironmentalReverbEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.h b/audio/effect/4.0/default/EnvironmentalReverbEffect.h
new file mode 100644
index 0000000..c0fb25c
--- /dev/null
+++ b/audio/effect/4.0/default/EnvironmentalReverbEffect.h
@@ -0,0 +1,30 @@
+/*
+ * 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_V4_0_ENVIRONMENTALREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
+
+#include <system/audio_effects/effect_environmentalreverb.h>
+
+#include <android/hardware/audio/effect/4.0/IEnvironmentalReverbEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EnvironmentalReverbEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/EqualizerEffect.cpp b/audio/effect/4.0/default/EqualizerEffect.cpp
new file mode 100644
index 0000000..d0a40bc
--- /dev/null
+++ b/audio/effect/4.0/default/EqualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Equalizer_HAL"
+
+#include "EqualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EqualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EqualizerEffect.h b/audio/effect/4.0/default/EqualizerEffect.h
new file mode 100644
index 0000000..7c9463b
--- /dev/null
+++ b/audio/effect/4.0/default/EqualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_EQUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IEqualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EqualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp b/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
new file mode 100644
index 0000000..e3c5184
--- /dev/null
+++ b/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "LoudnessEnhancer_HAL"
+
+#include "LoudnessEnhancerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/LoudnessEnhancerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.h b/audio/effect/4.0/default/LoudnessEnhancerEffect.h
new file mode 100644
index 0000000..64fa26a
--- /dev/null
+++ b/audio/effect/4.0/default/LoudnessEnhancerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_LOUDNESSENHANCEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/ILoudnessEnhancerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/LoudnessEnhancerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.cpp b/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
new file mode 100644
index 0000000..e83a8e3
--- /dev/null
+++ b/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "NS_Effect_HAL"
+
+#include "NoiseSuppressionEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/NoiseSuppressionEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.h b/audio/effect/4.0/default/NoiseSuppressionEffect.h
new file mode 100644
index 0000000..36d45af
--- /dev/null
+++ b/audio/effect/4.0/default/NoiseSuppressionEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_NOISESUPPRESSIONEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/INoiseSuppressionEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/NoiseSuppressionEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
diff --git a/audio/effect/4.0/default/PresetReverbEffect.cpp b/audio/effect/4.0/default/PresetReverbEffect.cpp
new file mode 100644
index 0000000..0c23be7
--- /dev/null
+++ b/audio/effect/4.0/default/PresetReverbEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "PresetReverb_HAL"
+
+#include "PresetReverbEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/PresetReverbEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/PresetReverbEffect.h b/audio/effect/4.0/default/PresetReverbEffect.h
new file mode 100644
index 0000000..3eeae0a
--- /dev/null
+++ b/audio/effect/4.0/default/PresetReverbEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_PRESETREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IPresetReverbEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/PresetReverbEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/VirtualizerEffect.cpp b/audio/effect/4.0/default/VirtualizerEffect.cpp
new file mode 100644
index 0000000..f50e8ad
--- /dev/null
+++ b/audio/effect/4.0/default/VirtualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Virtualizer_HAL"
+
+#include "VirtualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VirtualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VirtualizerEffect.h b/audio/effect/4.0/default/VirtualizerEffect.h
new file mode 100644
index 0000000..8e7114e
--- /dev/null
+++ b/audio/effect/4.0/default/VirtualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_VIRTUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IVirtualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VirtualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/VisualizerEffect.cpp b/audio/effect/4.0/default/VisualizerEffect.cpp
new file mode 100644
index 0000000..8d4f100
--- /dev/null
+++ b/audio/effect/4.0/default/VisualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Visualizer_HAL"
+
+#include "VisualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VisualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VisualizerEffect.h b/audio/effect/4.0/default/VisualizerEffect.h
new file mode 100644
index 0000000..6b5ab9c
--- /dev/null
+++ b/audio/effect/4.0/default/VisualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * 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_V4_0_VISUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IVisualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VisualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
index b63f2fb..852cb3f 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
index bee3607..8ad80a2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_aec.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -54,7 +56,7 @@
     return mEffect->disable();
 }
 
-Return<Result> AcousticEchoCancelerEffect::setDevice(AudioDevice device) {
+Return<Result> AcousticEchoCancelerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -78,7 +80,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> AcousticEchoCancelerEffect::setInputDevice(AudioDevice device) {
+Return<Result> AcousticEchoCancelerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
index 941f45d..5ac43eb 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -48,7 +50,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -56,7 +58,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
index af05d9b..e2e751e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -67,7 +69,7 @@
     return mEffect->disable();
 }
 
-Return<Result> AutomaticGainControlEffect::setDevice(AudioDevice device) {
+Return<Result> AutomaticGainControlEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -91,7 +93,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> AutomaticGainControlEffect::setInputDevice(AudioDevice device) {
+Return<Result> AutomaticGainControlEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
index 0092621..29173dd 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
index 1fc8d1b..7bcb4a3 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_bassboost.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> BassBoostEffect::setDevice(AudioDevice device) {
+Return<Result> BassBoostEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> BassBoostEffect::setInputDevice(AudioDevice device) {
+Return<Result> BassBoostEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
index e461ca8..3e3aa78 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
index 98710f8..abef10e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_downmix.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> DownmixEffect::setDevice(AudioDevice device) {
+Return<Result> DownmixEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> DownmixEffect::setInputDevice(AudioDevice device) {
+Return<Result> DownmixEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
index 81b0b24..b546e0e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
@@ -28,6 +28,8 @@
 
 #include <hardware/audio_effect.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -39,6 +41,7 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioDeviceBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
@@ -69,7 +72,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -77,7 +80,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
index d376146..61c9805 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
@@ -24,6 +24,8 @@
 #include <media/EffectsFactoryApi.h>
 #include <utils/Trace.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -33,6 +35,7 @@
 
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::MessageQueueFlagBits;
 
 namespace {
@@ -174,8 +177,8 @@
 // static
 void Effect::effectAuxChannelsConfigFromHal(const channel_config_t& halConfig,
                                             EffectAuxChannelsConfig* config) {
-    config->mainChannels = AudioChannelMask(halConfig.main_channels);
-    config->auxChannels = AudioChannelMask(halConfig.aux_channels);
+    config->mainChannels = AudioChannelBitfield(halConfig.main_channels);
+    config->auxChannels = AudioChannelBitfield(halConfig.aux_channels);
 }
 
 // static
@@ -191,10 +194,10 @@
     config->buffer.id = 0;
     config->buffer.frameCount = 0;
     config->samplingRateHz = halConfig.samplingRate;
-    config->channels = AudioChannelMask(halConfig.channels);
+    config->channels = AudioChannelBitfield(halConfig.channels);
     config->format = AudioFormat(halConfig.format);
     config->accessMode = EffectBufferAccess(halConfig.accessMode);
-    config->mask = EffectConfigParameters(halConfig.mask);
+    config->mask = static_cast<decltype(config->mask)>(halConfig.mask);
 }
 
 // static
@@ -500,7 +503,7 @@
     return sendCommandReturningStatus(EFFECT_CMD_DISABLE, "DISABLE");
 }
 
-Return<Result> Effect::setDevice(AudioDevice device) {
+Return<Result> Effect::setDevice(AudioDeviceBitfield device) {
     uint32_t halDevice = static_cast<uint32_t>(device);
     return sendCommand(EFFECT_CMD_SET_DEVICE, "SET_DEVICE", sizeof(uint32_t), &halDevice);
 }
@@ -539,7 +542,7 @@
                          inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> Effect::setInputDevice(AudioDevice device) {
+Return<Result> Effect::setInputDevice(AudioDeviceBitfield device) {
     uint32_t halDevice = static_cast<uint32_t>(device);
     return sendCommand(EFFECT_CMD_SET_INPUT_DEVICE, "SET_INPUT_DEVICE", sizeof(uint32_t),
                        &halDevice);
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
index e586abb..313c8c2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
@@ -46,7 +46,7 @@
     Return<void> getDescriptor(const Uuid& uid, getDescriptor_cb _hidl_cb) override;
     Return<void> createEffect(const Uuid& uid, int32_t session, int32_t ioHandle,
                               createEffect_cb _hidl_cb) override;
-    Return<void> debugDump(const hidl_handle& fd) override;
+    Return<void> debugDump(const hidl_handle& fd);
 
    private:
     static sp<IEffect> dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor,
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
index 8351e55..d2f8cc3 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -58,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -66,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
index 9090b8a..39a4092 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -81,7 +83,7 @@
     return mEffect->disable();
 }
 
-Return<Result> EnvironmentalReverbEffect::setDevice(AudioDevice device) {
+Return<Result> EnvironmentalReverbEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -105,7 +107,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> EnvironmentalReverbEffect::setInputDevice(AudioDevice device) {
+Return<Result> EnvironmentalReverbEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
index c2b8ef8..de52052 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
@@ -24,6 +24,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -60,7 +62,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -68,7 +70,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
index 78485e4..db6bed8 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
@@ -20,6 +20,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -76,7 +78,7 @@
     return mEffect->disable();
 }
 
-Return<Result> EqualizerEffect::setDevice(AudioDevice device) {
+Return<Result> EqualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -99,7 +101,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> EqualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> EqualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
index e4f1bd5..b59b077 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
index 3f4f379..88210e9 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
@@ -21,6 +21,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_aec.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     return mEffect->disable();
 }
 
-Return<Result> LoudnessEnhancerEffect::setDevice(AudioDevice device) {
+Return<Result> LoudnessEnhancerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -79,7 +81,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> LoudnessEnhancerEffect::setInputDevice(AudioDevice device) {
+Return<Result> LoudnessEnhancerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
index 7b64ba0..af1635b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -58,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -66,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
index e5fc454..f32399c 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -65,7 +67,7 @@
     return mEffect->disable();
 }
 
-Return<Result> NoiseSuppressionEffect::setDevice(AudioDevice device) {
+Return<Result> NoiseSuppressionEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -88,7 +90,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> NoiseSuppressionEffect::setInputDevice(AudioDevice device) {
+Return<Result> NoiseSuppressionEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
index 3114acd..1a91ab4 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
index 32198d5..eab68fb 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_presetreverb.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> PresetReverbEffect::setDevice(AudioDevice device) {
+Return<Result> PresetReverbEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> PresetReverbEffect::setInputDevice(AudioDevice device) {
+Return<Result> PresetReverbEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
index 3715894..c0d5a00 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -31,6 +33,7 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
@@ -57,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -65,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
@@ -98,7 +101,7 @@
     Return<bool> isStrengthSupported() override;
     Return<Result> setStrength(uint16_t strength) override;
     Return<void> getStrength(getStrength_cb _hidl_cb) override;
-    Return<void> getVirtualSpeakerAngles(AudioChannelMask mask, AudioDevice device,
+    Return<void> getVirtualSpeakerAngles(AudioChannelBitfield mask, AudioDevice device,
                                          getVirtualSpeakerAngles_cb _hidl_cb) override;
     Return<Result> forceVirtualizationMode(AudioDevice device) override;
     Return<void> getVirtualizationMode(getVirtualizationMode_cb _hidl_cb) override;
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
index 6fb8005..23b09a89 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
@@ -21,6 +21,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_virtualizer.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -36,7 +38,7 @@
                                              hidl_vec<SpeakerAngle>& speakerAngles) {
     speakerAngles.resize(channelCount);
     for (uint32_t i = 0; i < channelCount; ++i) {
-        speakerAngles[i].mask = AudioChannelMask(*halAngles++);
+        speakerAngles[i].mask = AudioChannelBitfield(*halAngles++);
         speakerAngles[i].azimuth = *halAngles++;
         speakerAngles[i].elevation = *halAngles++;
     }
@@ -65,7 +67,7 @@
     return mEffect->disable();
 }
 
-Return<Result> VirtualizerEffect::setDevice(AudioDevice device) {
+Return<Result> VirtualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -88,7 +90,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> VirtualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> VirtualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
@@ -184,7 +186,8 @@
     return mEffect->getIntegerParam(VIRTUALIZER_PARAM_STRENGTH, _hidl_cb);
 }
 
-Return<void> VirtualizerEffect::getVirtualSpeakerAngles(AudioChannelMask mask, AudioDevice device,
+Return<void> VirtualizerEffect::getVirtualSpeakerAngles(AudioChannelBitfield mask,
+                                                        AudioDevice device,
                                                         getVirtualSpeakerAngles_cb _hidl_cb) {
     uint32_t channelCount =
         audio_channel_count_from_out_mask(static_cast<audio_channel_mask_t>(mask));
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
index 8050221..114d3b7 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
index 0351453..9f2195b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_visualizer.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -54,7 +56,7 @@
     return mEffect->disable();
 }
 
-Return<Result> VisualizerEffect::setDevice(AudioDevice device) {
+Return<Result> VisualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -77,7 +79,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> VisualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> VisualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }