diff --git a/audio/2.0/default/PrimaryDevice.cpp b/audio/2.0/default/PrimaryDevice.cpp
new file mode 100644
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--- /dev/null
+++ b/audio/2.0/default/PrimaryDevice.cpp
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2016 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 "PrimaryDeviceHAL"
+
+#include "PrimaryDevice.h"
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace V2_0 {
+namespace implementation {
+
+PrimaryDevice::PrimaryDevice(audio_hw_device_t* device)
+        : mDevice(new Device(device)) {
+}
+
+PrimaryDevice::~PrimaryDevice() {}
+
+// Methods from ::android::hardware::audio::V2_0::IDevice follow.
+Return<Result> PrimaryDevice::initCheck()  {
+    return mDevice->initCheck();
+}
+
+Return<Result> PrimaryDevice::setMasterVolume(float volume)  {
+    return mDevice->setMasterVolume(volume);
+}
+
+Return<void> PrimaryDevice::getMasterVolume(getMasterVolume_cb _hidl_cb)  {
+    return mDevice->getMasterVolume(_hidl_cb);
+}
+
+Return<Result> PrimaryDevice::setMicMute(bool mute)  {
+    return mDevice->setMicMute(mute);
+}
+
+Return<void> PrimaryDevice::getMicMute(getMicMute_cb _hidl_cb)  {
+    return mDevice->getMicMute(_hidl_cb);
+}
+
+Return<Result> PrimaryDevice::setMasterMute(bool mute)  {
+    return mDevice->setMasterMute(mute);
+}
+
+Return<void> PrimaryDevice::getMasterMute(getMasterMute_cb _hidl_cb)  {
+    return mDevice->getMasterMute(_hidl_cb);
+}
+
+Return<void> PrimaryDevice::getInputBufferSize(
+        const AudioConfig& config, getInputBufferSize_cb _hidl_cb)  {
+    return mDevice->getInputBufferSize(config, _hidl_cb);
+}
+
+Return<void> PrimaryDevice::openOutputStream(
+        int32_t ioHandle,
+        const DeviceAddress& device,
+        const AudioConfig& config,
+        AudioOutputFlag flags,
+        openOutputStream_cb _hidl_cb)  {
+    return mDevice->openOutputStream(ioHandle, device, config, flags, _hidl_cb);
+}
+
+Return<void> PrimaryDevice::openInputStream(
+        int32_t ioHandle,
+        const DeviceAddress& device,
+        const AudioConfig& config,
+        AudioInputFlag flags,
+        AudioSource source,
+        openInputStream_cb _hidl_cb)  {
+    return mDevice->openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
+}
+
+Return<void> PrimaryDevice::createAudioPatch(
+        const hidl_vec<AudioPortConfig>& sources,
+        const hidl_vec<AudioPortConfig>& sinks,
+        createAudioPatch_cb _hidl_cb)  {
+    return mDevice->createAudioPatch(sources, sinks, _hidl_cb);
+}
+
+Return<Result> PrimaryDevice::releaseAudioPatch(int32_t patch)  {
+    return mDevice->releaseAudioPatch(patch);
+}
+
+Return<void> PrimaryDevice::getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb)  {
+    return mDevice->getAudioPort(port, _hidl_cb);
+}
+
+Return<Result> PrimaryDevice::setAudioPortConfig(const AudioPortConfig& config)  {
+    return mDevice->setAudioPortConfig(config);
+}
+
+Return<AudioHwSync> PrimaryDevice::getHwAvSync()  {
+    return mDevice->getHwAvSync();
+}
+
+Return<Result> PrimaryDevice::setScreenState(bool turnedOn)  {
+    return mDevice->setScreenState(turnedOn);
+}
+
+Return<void> PrimaryDevice::getParameters(
+        const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb)  {
+    return mDevice->getParameters(keys, _hidl_cb);
+}
+
+Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& parameters)  {
+    return mDevice->setParameters(parameters);
+}
+
+Return<void> PrimaryDevice::debugDump(const native_handle_t* fd)  {
+    return mDevice->debugDump(fd);
+}
+
+
+// Methods from ::android::hardware::audio::V2_0::IPrimaryDevice follow.
+Return<Result> PrimaryDevice::setVoiceVolume(float volume)  {
+    return mDevice->analyzeStatus(
+            "set_voice_volume",
+            mDevice->device()->set_voice_volume(mDevice->device(), volume));
+}
+
+Return<Result> PrimaryDevice::setMode(AudioMode mode)  {
+    return mDevice->analyzeStatus(
+            "set_mode",
+            mDevice->device()->set_mode(mDevice->device(), static_cast<audio_mode_t>(mode)));
+}
+
+Return<void> PrimaryDevice::getBtScoNrecEnabled(getBtScoNrecEnabled_cb _hidl_cb)  {
+    bool enabled;
+    Result retval = mDevice->getParam(AudioParameter::keyBtNrec, &enabled);
+    _hidl_cb(retval, enabled);
+    return Void();
+}
+
+Return<Result> PrimaryDevice::setBtScoNrecEnabled(bool enabled)  {
+    return mDevice->setParam(AudioParameter::keyBtNrec, enabled);
+}
+
+Return<void> PrimaryDevice::getBtScoWidebandEnabled(getBtScoWidebandEnabled_cb _hidl_cb)  {
+    bool enabled;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_BT_SCO_WB, &enabled);
+    _hidl_cb(retval, enabled);
+    return Void();
+}
+
+Return<Result> PrimaryDevice::setBtScoWidebandEnabled(bool enabled)  {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_WB, enabled);
+}
+
+Return<void> PrimaryDevice::getTtyMode(getTtyMode_cb _hidl_cb)  {
+    int halMode;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_TTY_MODE, &halMode);
+    TtyMode mode = retval == Result::OK ? TtyMode(halMode) : TtyMode::OFF;
+    _hidl_cb(retval, mode);
+    return Void();
+}
+
+Return<Result> PrimaryDevice::setTtyMode(IPrimaryDevice::TtyMode mode)  {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_TTY_MODE, static_cast<int>(mode));
+}
+
+Return<void> PrimaryDevice::getHacEnabled(getHacEnabled_cb _hidl_cb)  {
+    bool enabled;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_HAC, &enabled);
+    _hidl_cb(retval, enabled);
+    return Void();
+}
+
+Return<Result> PrimaryDevice::setHacEnabled(bool enabled)  {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HAC, enabled);
+}
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android