diff --git a/audio/2.0/default/StreamIn.cpp b/audio/2.0/default/StreamIn.cpp
new file mode 100644
index 0000000..b590d1a
--- /dev/null
+++ b/audio/2.0/default/StreamIn.cpp
@@ -0,0 +1,191 @@
+/*
+ * 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 "StreamInHAL"
+
+#include <hardware/audio.h>
+#include <utils/Log.h>
+
+#include "StreamIn.h"
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace V2_0 {
+namespace implementation {
+
+StreamIn::StreamIn(audio_hw_device_t* device, audio_stream_in_t* stream)
+        : mDevice(device), mStream(stream), mStreamCommon(new Stream(&stream->common)) {
+}
+
+StreamIn::~StreamIn() {
+    mDevice->close_input_stream(mDevice, mStream);
+    mStream = nullptr;
+    mDevice = nullptr;
+}
+
+// Methods from ::android::hardware::audio::V2_0::IStream follow.
+Return<uint64_t> StreamIn::getFrameSize()  {
+    return audio_stream_in_frame_size(mStream);
+}
+
+Return<uint64_t> StreamIn::getFrameCount()  {
+    return mStreamCommon->getFrameCount();
+}
+
+Return<uint64_t> StreamIn::getBufferSize()  {
+    return mStreamCommon->getBufferSize();
+}
+
+Return<uint32_t> StreamIn::getSampleRate()  {
+    return mStreamCommon->getSampleRate();
+}
+
+Return<void> StreamIn::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb)  {
+    return mStreamCommon->getSupportedSampleRates(_hidl_cb);
+}
+
+Return<Result> StreamIn::setSampleRate(uint32_t sampleRateHz)  {
+    return mStreamCommon->setSampleRate(sampleRateHz);
+}
+
+Return<AudioChannelMask> StreamIn::getChannelMask()  {
+    return mStreamCommon->getChannelMask();
+}
+
+Return<void> StreamIn::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb)  {
+    return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
+}
+
+Return<Result> StreamIn::setChannelMask(AudioChannelMask mask)  {
+    return mStreamCommon->setChannelMask(mask);
+}
+
+Return<AudioFormat> StreamIn::getFormat()  {
+    return mStreamCommon->getFormat();
+}
+
+Return<void> StreamIn::getSupportedFormats(getSupportedFormats_cb _hidl_cb)  {
+    return mStreamCommon->getSupportedFormats(_hidl_cb);
+}
+
+Return<Result> StreamIn::setFormat(AudioFormat format)  {
+    return mStreamCommon->setFormat(format);
+}
+
+Return<void> StreamIn::getAudioProperties(getAudioProperties_cb _hidl_cb)  {
+    return mStreamCommon->getAudioProperties(_hidl_cb);
+}
+
+Return<Result> StreamIn::addEffect(uint64_t effectId)  {
+    return mStreamCommon->addEffect(effectId);
+}
+
+Return<Result> StreamIn::removeEffect(uint64_t effectId)  {
+    return mStreamCommon->removeEffect(effectId);
+}
+
+Return<Result> StreamIn::standby()  {
+    return mStreamCommon->standby();
+}
+
+Return<AudioDevice> StreamIn::getDevice()  {
+    return mStreamCommon->getDevice();
+}
+
+Return<Result> StreamIn::setDevice(const DeviceAddress& address)  {
+    return mStreamCommon->setDevice(address);
+}
+
+Return<Result> StreamIn::setConnectedState(const DeviceAddress& address, bool connected)  {
+    return mStreamCommon->setConnectedState(address, connected);
+}
+
+Return<Result> StreamIn::setHwAvSync(uint32_t hwAvSync)  {
+    return mStreamCommon->setHwAvSync(hwAvSync);
+}
+
+Return<void> StreamIn::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
+    return mStreamCommon->getParameters(keys, _hidl_cb);
+}
+
+Return<Result> StreamIn::setParameters(const hidl_vec<ParameterValue>& parameters)  {
+    return mStreamCommon->setParameters(parameters);
+}
+
+Return<void> StreamIn::debugDump(const native_handle_t* fd)  {
+    return mStreamCommon->debugDump(fd);
+}
+
+
+// Methods from ::android::hardware::audio::V2_0::IStreamIn follow.
+Return<void> StreamIn::getAudioSource(getAudioSource_cb _hidl_cb)  {
+    int halSource;
+    Result retval = mStreamCommon->getParam(AudioParameter::keyInputSource, &halSource);
+    AudioSource source(AudioSource::DEFAULT);
+    if (retval == Result::OK) {
+        source = AudioSource(halSource);
+    }
+    _hidl_cb(retval, source);
+    return Void();
+}
+
+Return<Result> StreamIn::setGain(float gain)  {
+    return mStreamCommon->analyzeStatus("set_gain", mStream->set_gain(mStream, gain));
+}
+
+Return<void> StreamIn::read(uint64_t size, read_cb _hidl_cb)  {
+    // TODO(mnaganov): Replace with FMQ version.
+    hidl_vec<uint8_t> data;
+    data.resize(size);
+    Result retval(Result::OK);
+    ssize_t readResult = mStream->read(mStream, &data[0], data.size());
+    if (readResult >= 0 && static_cast<size_t>(readResult) != data.size()) {
+        data.resize(readResult);
+    } else if (readResult < 0) {
+        data.resize(0);
+        retval = mStreamCommon->analyzeStatus("read", readResult);
+    }
+    _hidl_cb(retval, data);
+    return Void();
+}
+
+Return<uint32_t> StreamIn::getInputFramesLost()  {
+    return mStream->get_input_frames_lost(mStream);
+}
+
+Return<void> StreamIn::getCapturePosition(getCapturePosition_cb _hidl_cb)  {
+    Result retval(Result::NOT_SUPPORTED);
+    uint64_t frames = 0, time = 0;
+    if (mStream->get_capture_position != NULL) {
+        int64_t halFrames, halTime;
+        retval = mStreamCommon->analyzeStatus(
+                "get_capture_position",
+                mStream->get_capture_position(mStream, &halFrames, &halTime));
+        if (retval == Result::OK) {
+            frames = halFrames;
+            time = halTime;
+        }
+    }
+    _hidl_cb(retval, frames, time);
+    return Void();
+}
+
+} // namespace implementation
+}  // namespace V2_0
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android