Add Oppo fingerprint support, tested on Realme X2 Pro

base.mk

@@ -161,3 +161,6 @@ PRODUCT_COPY_FILES += \
 	device/phh/treble/remote/phh-remotectl.rc:system/etc/init/phh-remotectl.rc \
 	device/phh/treble/remote/phh-remotectl.sh:system/bin/phh-remotectl.sh \
 
+PRODUCT_PACKAGES += \
+	android.hardware.biometrics.fingerprint@2.1-service.oppo.compat \
+

framework_manifest.xml

@@ -8,5 +8,16 @@
             <instance>default</instance>
         </interface>
     </hal>
+
+    <!-- For our Oppo/Realme friends -->
+    <hal>
+        <name>android.hardware.biometrics.fingerprint</name>
+        <transport>hwbinder</transport>
+        <version>2.1</version>
+        <interface>
+            <name>IBiometricsFingerprint</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
 </manifest>
 

hal/oppo-fp/Android.bp

@@ -0,0 +1,24 @@
+cc_binary {
+    name: "android.hardware.biometrics.fingerprint@2.1-service.oppo.compat",
+    defaults: ["hidl_defaults"],
+    init_rc: ["android.hardware.biometrics.fingerprint@2.1-service.oppo.rc"],
+    relative_install_path: "hw",
+    srcs: [
+        "BiometricsFingerprint.cpp",
+        "service.cpp",
+    ],
+    cflags: [
+        "-Wno-unused-parameter",
+    ],
+    shared_libs: [
+        "libcutils",
+        "liblog",
+        "libhidlbase",
+        "libhidltransport",
+        "libhardware",
+        "libutils",
+        "libbase",
+        "android.hardware.biometrics.fingerprint@2.1",
+        "vendor.oppo.hardware.biometrics.fingerprint@2.1",
+    ],
+}

hal/oppo-fp/BiometricsFingerprint.cpp

@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2017 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 "android.hardware.biometrics.fingerprint@2.1-service.oppo.compat"
+#define LOG_VERBOSE "android.hardware.biometrics.fingerprint@2.1-service.oppo.compat"
+
+#include <hardware/hardware.h>
+#include <hardware/fingerprint.h>
+#include "BiometricsFingerprint.h"
+
+#include <inttypes.h>
+#include <unistd.h>
+#include <utils/Log.h>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace biometrics {
+namespace fingerprint {
+namespace V2_1 {
+namespace implementation {
+
+BiometricsFingerprint::BiometricsFingerprint() {
+    for(int i=0; i<10; i++) {
+        mOppoBiometricsFingerprint = vendor::oppo::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint::tryGetService();
+        if(mOppoBiometricsFingerprint != nullptr) break;
+        sleep(10);
+    }
+    if(mOppoBiometricsFingerprint == nullptr) exit(0);
+}
+
+static bool receivedCancel;
+static bool receivedEnumerate;
+static uint64_t myDeviceId;
+static std::vector<uint32_t> knownFingers;
+class OppoClientCallback : public vendor::oppo::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback {
+public:
+    sp<android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback> mClientCallback;
+
+    OppoClientCallback(sp<android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback> clientCallback) : mClientCallback(clientCallback) {}
+    Return<void> onEnrollResult(uint64_t deviceId, uint32_t fingerId,
+        uint32_t groupId, uint32_t remaining) {
+        ALOGE("onEnrollResult %lu %u %u %u", deviceId, fingerId, groupId, remaining);
+        if(mClientCallback != nullptr)
+            mClientCallback->onEnrollResult(deviceId, fingerId, groupId, remaining);
+        return Void();
+    }
+
+    Return<void> onAcquired(uint64_t deviceId, vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo acquiredInfo,
+        int32_t vendorCode) {
+        ALOGE("onAcquired %lu %d", deviceId, vendorCode);
+        if(mClientCallback != nullptr)
+            mClientCallback->onAcquired(deviceId, OppoToAOSPFingerprintAcquiredInfo(acquiredInfo), vendorCode);
+        return Void();
+    }
+
+    Return<void> onAuthenticated(uint64_t deviceId, uint32_t fingerId, uint32_t groupId,
+        const hidl_vec<uint8_t>& token) {
+        ALOGE("onAuthenticated %lu %u %u", deviceId, fingerId, groupId);
+        if(mClientCallback != nullptr)
+            mClientCallback->onAuthenticated(deviceId, fingerId, groupId, token);
+        return Void();
+    }
+
+    Return<void> onError(uint64_t deviceId, vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError error, int32_t vendorCode) {
+        ALOGE("onError %lu %d", deviceId, vendorCode);
+        if(error == vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_CANCELED) {
+            receivedCancel = true;
+        }
+        if(mClientCallback != nullptr)
+            mClientCallback->onError(deviceId, OppoToAOSPFingerprintError(error), vendorCode);
+        return Void();
+    }
+
+    Return<void> onRemoved(uint64_t deviceId, uint32_t fingerId, uint32_t groupId,
+        uint32_t remaining) {
+        ALOGE("onRemoved %lu %u", deviceId, fingerId);
+        if(mClientCallback != nullptr)
+            mClientCallback->onRemoved(deviceId, fingerId, groupId, remaining);
+        return Void();
+    }
+
+    Return<void> onEnumerate(uint64_t deviceId, uint32_t fingerId, uint32_t groupId,
+        uint32_t remaining) {
+        receivedEnumerate = true;
+        ALOGE("onEnumerate %lu %u %u %u", deviceId, fingerId, groupId, remaining);
+        if(mClientCallback != nullptr)
+            mClientCallback->onEnumerate(deviceId, fingerId, groupId, remaining);
+        return Void();
+    }
+
+    Return<void> onTouchUp(uint64_t deviceId) { return Void(); }
+    Return<void> onTouchDown(uint64_t deviceId) { return Void(); }
+    Return<void> onSyncTemplates(uint64_t deviceId, const hidl_vec<uint32_t>& fingerId, uint32_t remaining) {
+        ALOGE("onSyncTemplates %lu %zu %u", deviceId, fingerId.size(), remaining);
+        myDeviceId = deviceId;
+
+        for(auto fid : fingerId) {
+            ALOGE("\t- %u", fid);
+        }
+        knownFingers = fingerId;
+
+        return Void();
+    }
+    Return<void> onFingerprintCmd(int32_t deviceId, const hidl_vec<uint32_t>& groupId, uint32_t remaining) { return Void(); }
+    Return<void> onImageInfoAcquired(uint32_t type, uint32_t quality, uint32_t match_score) { return Void(); }
+    Return<void> onMonitorEventTriggered(uint32_t type, const hidl_string& data) { return Void(); }
+    Return<void> onEngineeringInfoUpdated(uint32_t length, const hidl_vec<uint32_t>& keys, const hidl_vec<hidl_string>& values) { return Void(); }
+    Return<void> onUIReady(int64_t deviceId) { return Void(); }
+
+private:
+
+    Return<android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo> OppoToAOSPFingerprintAcquiredInfo(vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo info) {
+        switch(info) {
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_GOOD: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_GOOD;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_PARTIAL: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_PARTIAL;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_IMAGER_DIRTY: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_IMAGER_DIRTY;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_TOO_SLOW: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_TOO_SLOW;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_TOO_FAST: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_TOO_FAST;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_VENDOR: return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_VENDOR;
+            default:
+                return android::hardware::biometrics::fingerprint::V2_1::FingerprintAcquiredInfo::ACQUIRED_GOOD;
+        }
+    }
+
+    Return<android::hardware::biometrics::fingerprint::V2_1::FingerprintError> OppoToAOSPFingerprintError(vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError error) {
+        switch(error) {
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_NO_ERROR: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_NO_ERROR;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_HW_UNAVAILABLE: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_HW_UNAVAILABLE;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_UNABLE_TO_PROCESS: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_UNABLE_TO_PROCESS;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_TIMEOUT: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_TIMEOUT;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_NO_SPACE: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_NO_SPACE;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_CANCELED: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_CANCELED;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_UNABLE_TO_REMOVE: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_UNABLE_TO_REMOVE;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_LOCKOUT: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_LOCKOUT;
+            case vendor::oppo::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_VENDOR: return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_VENDOR;
+            default:
+                return android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_NO_ERROR;
+        }
+    }
+};
+
+Return<uint64_t> BiometricsFingerprint::setNotify(
+        const sp<IBiometricsFingerprintClientCallback>& clientCallback) {
+    ALOGE("setNotify");
+    mOppoClientCallback = new OppoClientCallback(clientCallback);
+    return mOppoBiometricsFingerprint->setNotify(mOppoClientCallback);
+}
+
+Return<RequestStatus> BiometricsFingerprint::OppoToAOSPRequestStatus(vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus req) {
+    switch(req) {
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_UNKNOWN: return RequestStatus::SYS_UNKNOWN;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_OK: return RequestStatus::SYS_OK;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_ENOENT: return RequestStatus::SYS_ENOENT;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EINTR: return RequestStatus::SYS_EINTR;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EIO: return RequestStatus::SYS_EIO;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EAGAIN: return RequestStatus::SYS_EAGAIN;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_ENOMEM: return RequestStatus::SYS_ENOMEM;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EACCES: return RequestStatus::SYS_EACCES;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EFAULT: return RequestStatus::SYS_EFAULT;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EBUSY: return RequestStatus::SYS_EBUSY;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_EINVAL: return RequestStatus::SYS_EINVAL;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_ENOSPC: return RequestStatus::SYS_ENOSPC;
+        case vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus::SYS_ETIMEDOUT: return RequestStatus::SYS_ETIMEDOUT;
+        default:
+            return RequestStatus::SYS_UNKNOWN;
+    }
+}
+
+Return<uint64_t> BiometricsFingerprint::preEnroll()  {
+    ALOGE("preEnroll");
+    return mOppoBiometricsFingerprint->preEnroll();
+}
+
+Return<RequestStatus> BiometricsFingerprint::enroll(const hidl_array<uint8_t, 69>& hat,
+    uint32_t gid, uint32_t timeoutSec)  {
+    ALOGE("enroll");
+    return OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->enroll(hat, gid, timeoutSec));
+}
+
+Return<RequestStatus> BiometricsFingerprint::postEnroll()  {
+    ALOGE("postEnroll");
+    return OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->postEnroll());
+}
+
+Return<uint64_t> BiometricsFingerprint::getAuthenticatorId()  {
+    ALOGE("getAuthId");
+    return mOppoBiometricsFingerprint->getAuthenticatorId();
+}
+
+Return<RequestStatus> BiometricsFingerprint::cancel()  {
+    receivedCancel = false;
+    RequestStatus ret = OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->cancel());
+    ALOGE("CANCELING");
+    if(!receivedCancel) {
+        ALOGE("Sending cancel error");
+        mOppoClientCallback->mClientCallback->onError(
+                myDeviceId,
+                android::hardware::biometrics::fingerprint::V2_1::FingerprintError::ERROR_CANCELED,
+                0);
+    }
+    return ret;
+}
+
+Return<RequestStatus> BiometricsFingerprint::enumerate()  {
+    receivedEnumerate = false;
+    RequestStatus ret = OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->enumerate());
+    ALOGE("ENUMERATING");
+    if(ret == RequestStatus::SYS_OK && !receivedEnumerate) {
+        size_t nFingers = knownFingers.size();
+        ALOGE("received fingers, sending our own %zu", nFingers);
+        if(nFingers > 0) {
+            for(auto finger: knownFingers) {
+                mOppoClientCallback->mClientCallback->onEnumerate(
+                        myDeviceId,
+                        finger,
+                        0,
+                        --nFingers);
+
+            }
+        } else {
+            mOppoClientCallback->mClientCallback->onEnumerate(
+                    myDeviceId,
+                    0,
+                    0,
+                    0);
+
+        }
+    }
+    return ret;
+}
+
+Return<RequestStatus> BiometricsFingerprint::remove(uint32_t gid, uint32_t fid)  {
+    ALOGE("remove");
+    return OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->remove(gid, fid));
+}
+
+Return<RequestStatus> BiometricsFingerprint::setActiveGroup(uint32_t gid,
+    const hidl_string& storePath)  {
+    ALOGE("setActiveGroup");
+    return OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->setActiveGroup(gid, storePath));
+}
+
+Return<RequestStatus> BiometricsFingerprint::authenticate(uint64_t operationId, uint32_t gid)  {
+    ALOGE("auth");
+    return OppoToAOSPRequestStatus(mOppoBiometricsFingerprint->authenticate(operationId, gid));
+}
+
+} // namespace implementation
+}  // namespace V2_1
+}  // namespace fingerprint
+}  // namespace biometrics
+}  // namespace hardware
+}  // namespace android

hal/oppo-fp/BiometricsFingerprint.h

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2017 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_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
+#define ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
+
+#include <log/log.h>
+#include <android/log.h>
+#include <hardware/hardware.h>
+#include <hardware/fingerprint.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
+#include <android/hardware/biometrics/fingerprint/2.1/types.h>
+#include <vendor/oppo/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
+
+namespace android {
+namespace hardware {
+namespace biometrics {
+namespace fingerprint {
+namespace V2_1 {
+namespace implementation {
+
+using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
+using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback;
+using ::android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::OK;
+using ::android::sp;
+using ::android::status_t;
+
+class OppoClientCallback;
+struct BiometricsFingerprint : public IBiometricsFingerprint {
+public:
+    BiometricsFingerprint();
+
+    // Methods from ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint follow.
+    Return<uint64_t> setNotify(const sp<IBiometricsFingerprintClientCallback>& clientCallback) override;
+    Return<uint64_t> preEnroll() override;
+    Return<RequestStatus> enroll(const hidl_array<uint8_t, 69>& hat, uint32_t gid, uint32_t timeoutSec) override;
+    Return<RequestStatus> postEnroll() override;
+    Return<uint64_t> getAuthenticatorId() override;
+    Return<RequestStatus> cancel() override;
+    Return<RequestStatus> enumerate() override;
+    Return<RequestStatus> remove(uint32_t gid, uint32_t fid) override;
+    Return<RequestStatus> setActiveGroup(uint32_t gid, const hidl_string& storePath) override;
+    Return<RequestStatus> authenticate(uint64_t operationId, uint32_t gid) override;
+
+private:
+    sp<vendor::oppo::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint> mOppoBiometricsFingerprint;
+    sp<OppoClientCallback> mOppoClientCallback;
+    static Return<RequestStatus> OppoToAOSPRequestStatus(vendor::oppo::hardware::biometrics::fingerprint::V2_1::RequestStatus req);
+};
+
+}  // namespace implementation
+}  // namespace V2_1
+}  // namespace fingerprint
+}  // namespace biometrics
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H

hal/oppo-fp/android.hardware.biometrics.fingerprint@2.1-service.oppo.rc

@@ -0,0 +1,9 @@
+service fps_hal.oppo.compat /system/bin/hw/android.hardware.biometrics.fingerprint@2.1-service.oppo.compat
+    # "class hal" causes a race condition on some devices due to files created
+    # in /data. As a workaround, postpone startup until later in boot once
+    # /data is mounted.
+    class late_start
+    user system
+    group system input uhid
+    writepid /dev/cpuset/system-background/tasks
+    oneshot

hal/oppo-fp/service.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 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 "android.hardware.biometrics.fingerprint@2.1-service.realme_sdm710"
+
+#include <android-base/logging.h>
+#include <hidl/HidlTransportSupport.h>
+
+#include "BiometricsFingerprint.h"
+
+using android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
+using android::hardware::biometrics::fingerprint::V2_1::implementation::BiometricsFingerprint;
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::OK;
+using android::sp;
+using android::status_t;
+
+int main() {
+    sp<BiometricsFingerprint> biometricsFingerprint;
+    status_t status;
+
+    LOG(INFO) << "Fingerprint HAL Adapter service is starting.";
+
+    biometricsFingerprint = new BiometricsFingerprint();
+    if (biometricsFingerprint == nullptr) {
+        LOG(ERROR) << "Can not create an instance of Fingerprint HAL Adapter BiometricsFingerprint Iface, exiting.";
+        goto shutdown;
+    }
+
+    configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+    status = biometricsFingerprint->registerAsService();
+    if (status != OK) {
+        LOG(ERROR) << "Could not register service for Fingerprint HAL Adapter BiometricsFingerprint Iface ("
+                   << status << ")";
+        goto shutdown;
+    }
+
+    LOG(INFO) << "Fingerprint HAL Adapter service is ready.";
+    joinRpcThreadpool();
+    // Should not pass this line
+
+shutdown:
+    // In normal operation, we don't expect the thread pool to shutdown
+    LOG(ERROR) << "Fingerprint HAL Adapter service is shutting down.";
+    return 1;
+}

rw-system.sh

@@ -183,7 +183,14 @@ if grep vendor.huawei.hardware.biometrics.fingerprint /vendor/manifest.xml; then
     mount -o bind system/phh/huawei/fingerprint.kl /vendor/usr/keylayout/fingerprint.kl
 fi
 
-if ! grep android.hardware.biometrics.fingerprint /vendor/manifest.xml && ! grep android.hardware.biometrics.fingerprint /vendor/etc/vintf/manifest.xml; then
+foundFingerprint=false
+for manifest in /vendor/manifest.xml /vendor/etc/vintf/manifest.xml;do
+    if grep -q -e android.hardware.biometrics.fingerprint -e vendor.oppo.hardware.biometrics.fingerprint $manifest;then
+        foundFingerprint=true
+    fi
+done
+
+if [ "$foundFingerprint" = false ];then
     mount -o bind system/phh/empty /system/etc/permissions/android.hardware.fingerprint.xml
 fi
 

sepolicy/file_contexts

@@ -10,3 +10,5 @@
 
 /sec_storage(/.*)?      u:object_r:teecd_data_file:s0
 /dev/dsm                u:object_r:dmd_device:s0
+
+/system/bin/hw/android.hardware.biometrics.fingerprint@2.1-service.oppo.compat u:object_r:hal_fingerprint_oppo_compat_exec:s0

sepolicy/hal.te

@@ -0,0 +1,10 @@
+type hal_fingerprint_oppo_compat, domain;
+hal_client_domain(hal_fingerprint_oppo_compat, hal_fingerprint)
+hal_server_domain(hal_fingerprint_oppo_compat, hal_fingerprint)
+
+type hal_fingerprint_oppo_compat_exec, exec_type, vendor_file_type, file_type;
+init_daemon_domain(hal_fingerprint_oppo_compat)
+
+
+type hal_fingerprint_oppo, domain;
+allow hal_fingerprint_oppo vendor_default_prop:property_service { set };

sepolicy/oppo.te

@@ -0,0 +1,3 @@
+type sysfs_usb_supply, file_type;
+
+allow system_app sysfs_usb_supply:file rw_file_perms;