diff --git a/media/libaudiohal/DeviceHalLocal.h b/media/libaudiohal/DeviceHalLocal.h
new file mode 100644
index 0000000..6c15eb7
--- /dev/null
+++ b/media/libaudiohal/DeviceHalLocal.h
@@ -0,0 +1,121 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H
+#define ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H
+
+#include <media/audiohal/DeviceHalInterface.h>
+
+namespace android {
+
+class DeviceHalLocal : public DeviceHalInterface
+{
+  public:
+    // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t.
+    virtual status_t getSupportedDevices(uint32_t *devices);
+
+    // Get the hardware module version.
+    virtual status_t getVersion(uint32_t *version);
+
+    // Check to see if the audio hardware interface has been initialized.
+    virtual status_t initCheck();
+
+    // Set the audio volume of a voice call. Range is between 0.0 and 1.0.
+    virtual status_t setVoiceVolume(float volume);
+
+    // Set the audio volume for all audio activities other than voice call.
+    virtual status_t setMasterVolume(float volume);
+
+    // Get the current master volume value for the HAL.
+    virtual status_t getMasterVolume(float *volume);
+
+    // Called when the audio mode changes.
+    virtual status_t setMode(audio_mode_t mode);
+
+    // Muting control.
+    virtual status_t setMicMute(bool state);
+    virtual status_t getMicMute(bool *state);
+    virtual status_t setMasterMute(bool state);
+    virtual status_t getMasterMute(bool *state);
+
+    // Set global audio parameters.
+    virtual status_t setParameters(const String8& kvPairs);
+
+    // Get global audio parameters.
+    virtual status_t getParameters(const String8& keys, String8 *values);
+
+    // Returns audio input buffer size according to parameters passed.
+    virtual status_t getInputBufferSize(const struct audio_config *config,
+            size_t *size);
+
+    // Creates and opens the audio hardware output stream. The stream is closed
+    // by releasing all references to the returned object.
+    virtual status_t openOutputStream(
+            audio_io_handle_t handle,
+            audio_devices_t devices,
+            audio_output_flags_t flags,
+            struct audio_config *config,
+            const char *address,
+            sp<StreamOutHalInterface> *outStream);
+
+    // Creates and opens the audio hardware input stream. The stream is closed
+    // by releasing all references to the returned object.
+    virtual status_t openInputStream(
+            audio_io_handle_t handle,
+            audio_devices_t devices,
+            struct audio_config *config,
+            audio_input_flags_t flags,
+            const char *address,
+            audio_source_t source,
+            sp<StreamInHalInterface> *inStream);
+
+    // Creates an audio patch between several source and sink ports.
+    virtual status_t createAudioPatch(
+            unsigned int num_sources,
+            const struct audio_port_config *sources,
+            unsigned int num_sinks,
+            const struct audio_port_config *sinks,
+            audio_patch_handle_t *patch);
+
+    // Releases an audio patch.
+    virtual status_t releaseAudioPatch(audio_patch_handle_t patch);
+
+    // Fills the list of supported attributes for a given audio port.
+    virtual status_t getAudioPort(struct audio_port *port);
+
+    // Set audio port configuration.
+    virtual status_t setAudioPortConfig(const struct audio_port_config *config);
+
+    virtual status_t dump(int fd);
+
+    void closeOutputStream(struct audio_stream_out *stream_out);
+    void closeInputStream(struct audio_stream_in *stream_in);
+
+  private:
+    audio_hw_device_t *mDev;
+
+    friend class DevicesFactoryHalLocal;
+
+    // Can not be constructed directly by clients.
+    explicit DeviceHalLocal(audio_hw_device_t *dev);
+
+    // The destructor automatically closes the device.
+    virtual ~DeviceHalLocal();
+};
+
+} // namespace android
+
+#endif // ANDROID_HARDWARE_DEVICE_HAL_LOCAL_H