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diff --git a/audio/core/all-versions/default/PrimaryDevice.cpp b/audio/core/all-versions/default/PrimaryDevice.cpp
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+++ b/audio/core/all-versions/default/PrimaryDevice.cpp
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+/*
+ * 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 "PrimaryDeviceHAL"
+
+#include "core/default/PrimaryDevice.h"
+#include "core/default/Util.h"
+
+#if MAJOR_VERSION >= 4
+#include <cmath>
+#endif
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace CPP_VERSION {
+namespace implementation {
+
+PrimaryDevice::PrimaryDevice(audio_hw_device_t* device) : mDevice(new Device(device)) {}
+
+PrimaryDevice::~PrimaryDevice() {}
+
+// Methods from ::android::hardware::audio::CPP_VERSION::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);
+}
+
+#if MAJOR_VERSION == 2
+Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
+                                             const AudioConfig& config,
+                                             AudioOutputFlagBitfield 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, AudioInputFlagBitfield flags,
+                                            AudioSource source, openInputStream_cb _hidl_cb) {
+    return mDevice->openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
+}
+#elif MAJOR_VERSION >= 4
+Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
+                                             const AudioConfig& config,
+                                             AudioOutputFlagBitfield flags,
+                                             const SourceMetadata& sourceMetadata,
+                                             openOutputStream_cb _hidl_cb) {
+    return mDevice->openOutputStream(ioHandle, device, config, flags, sourceMetadata, _hidl_cb);
+}
+
+Return<void> PrimaryDevice::openInputStream(int32_t ioHandle, const DeviceAddress& device,
+                                            const AudioConfig& config, AudioInputFlagBitfield flags,
+                                            const SinkMetadata& sinkMetadata,
+                                            openInputStream_cb _hidl_cb) {
+    return mDevice->openInputStream(ioHandle, device, config, flags, sinkMetadata, _hidl_cb);
+}
+#endif
+
+Return<bool> PrimaryDevice::supportsAudioPatches() {
+    return mDevice->supportsAudioPatches();
+}
+
+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<Result> PrimaryDevice::setScreenState(bool turnedOn) {
+    return mDevice->setScreenState(turnedOn);
+}
+
+#if MAJOR_VERSION == 2
+Return<AudioHwSync> PrimaryDevice::getHwAvSync() {
+    return mDevice->getHwAvSync();
+}
+
+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 hidl_handle& fd) {
+    return mDevice->debugDump(fd);
+}
+#elif MAJOR_VERSION >= 4
+Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
+    return mDevice->getHwAvSync(_hidl_cb);
+}
+Return<void> PrimaryDevice::getParameters(const hidl_vec<ParameterValue>& context,
+                                          const hidl_vec<hidl_string>& keys,
+                                          getParameters_cb _hidl_cb) {
+    return mDevice->getParameters(context, keys, _hidl_cb);
+}
+Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& context,
+                                            const hidl_vec<ParameterValue>& parameters) {
+    return mDevice->setParameters(context, parameters);
+}
+Return<void> PrimaryDevice::getMicrophones(getMicrophones_cb _hidl_cb) {
+    return mDevice->getMicrophones(_hidl_cb);
+}
+Return<Result> PrimaryDevice::setConnectedState(const DeviceAddress& address, bool connected) {
+    return mDevice->setConnectedState(address, connected);
+}
+#endif
+
+// Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
+Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
+    if (!isGainNormalized(volume)) {
+        ALOGW("Can not set a voice volume (%f) outside [0,1]", volume);
+        return Result::INVALID_ARGUMENTS;
+    }
+    return mDevice->analyzeStatus("set_voice_volume",
+                                  mDevice->device()->set_voice_volume(mDevice->device(), volume));
+}
+
+Return<Result> PrimaryDevice::setMode(AudioMode mode) {
+    // INVALID, CURRENT, CNT, MAX are reserved for internal use.
+    // TODO: remove the values from the HIDL interface
+    switch (mode) {
+        case AudioMode::NORMAL:
+        case AudioMode::RINGTONE:
+        case AudioMode::IN_CALL:
+        case AudioMode::IN_COMMUNICATION:
+            break;  // Valid values
+        default:
+            return Result::INVALID_ARGUMENTS;
+    };
+
+    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);
+}
+
+static const char* convertTtyModeFromHIDL(IPrimaryDevice::TtyMode mode) {
+    switch (mode) {
+        case IPrimaryDevice::TtyMode::OFF:
+            return AUDIO_PARAMETER_VALUE_TTY_OFF;
+        case IPrimaryDevice::TtyMode::VCO:
+            return AUDIO_PARAMETER_VALUE_TTY_VCO;
+        case IPrimaryDevice::TtyMode::HCO:
+            return AUDIO_PARAMETER_VALUE_TTY_HCO;
+        case IPrimaryDevice::TtyMode::FULL:
+            return AUDIO_PARAMETER_VALUE_TTY_FULL;
+        default:
+            return nullptr;
+    }
+}
+static IPrimaryDevice::TtyMode convertTtyModeToHIDL(const char* halMode) {
+    if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_OFF) == 0)
+        return IPrimaryDevice::TtyMode::OFF;
+    else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_VCO) == 0)
+        return IPrimaryDevice::TtyMode::VCO;
+    else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_HCO) == 0)
+        return IPrimaryDevice::TtyMode::HCO;
+    else if (strcmp(halMode, AUDIO_PARAMETER_VALUE_TTY_FULL) == 0)
+        return IPrimaryDevice::TtyMode::FULL;
+    return IPrimaryDevice::TtyMode(-1);
+}
+
+Return<void> PrimaryDevice::getTtyMode(getTtyMode_cb _hidl_cb) {
+    String8 halMode;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_TTY_MODE, &halMode);
+    if (retval != Result::OK) {
+        _hidl_cb(retval, TtyMode::OFF);
+        return Void();
+    }
+    TtyMode mode = convertTtyModeToHIDL(halMode);
+    if (mode == TtyMode(-1)) {
+        ALOGE("HAL returned invalid TTY value: %s", halMode.c_str());
+        _hidl_cb(Result::INVALID_STATE, TtyMode::OFF);
+        return Void();
+    }
+    _hidl_cb(Result::OK, mode);
+    return Void();
+}
+
+Return<Result> PrimaryDevice::setTtyMode(IPrimaryDevice::TtyMode mode) {
+    const char* modeStr = convertTtyModeFromHIDL(mode);
+    if (modeStr == nullptr) {
+        ALOGW("Can not set an invalid TTY value: %d", mode);
+        return Result::INVALID_ARGUMENTS;
+    }
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_TTY_MODE, modeStr);
+}
+
+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);
+}
+
+#if MAJOR_VERSION >= 4
+Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_HEADSET_NAME, name.c_str());
+}
+Return<void> PrimaryDevice::getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) {
+    bool enabled;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, &enabled);
+    _hidl_cb(retval, enabled);
+    return Void();
+}
+Return<Result> PrimaryDevice::setBtHfpEnabled(bool enabled) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, enabled);
+}
+Return<Result> PrimaryDevice::setBtHfpSampleRate(uint32_t sampleRateHz) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_SET_SAMPLING_RATE, int(sampleRateHz));
+}
+Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
+    if (!isGainNormalized(volume)) {
+        ALOGW("Can not set BT HFP volume (%f) outside [0,1]", volume);
+        return Result::INVALID_ARGUMENTS;
+    }
+    // Map the normalized volume onto the range of [0, 15]
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_VOLUME,
+                             static_cast<int>(std::round(volume * 15)));
+}
+Return<Result> PrimaryDevice::updateRotation(IPrimaryDevice::Rotation rotation) {
+    // legacy API expects the rotation in degree
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_ROTATION, int(rotation) * 90);
+}
+#endif
+
+Return<void> PrimaryDevice::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
+    return mDevice->debug(fd, options);
+}
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android