| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include <android/hardware/power/1.0/IPower.h> |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <android/log.h> |
| #include <utils/Errors.h> |
| |
| #include <binder/IServiceManager.h> |
| #include <powermanager/IPowerManager.h> |
| #include <powermanager/PowerManager.h> |
| |
| #include "PowerHAL.h" |
| |
| using android::hardware::power::V1_0::PowerHint; |
| namespace android { |
| // --------------------------------------------------------------------------- |
| |
| status_t PowerHAL::vsyncHint(bool enabled) { |
| Mutex::Autolock _l(mlock); |
| if (mPowerManager == NULL) { |
| const String16 serviceName("power"); |
| sp<IBinder> bs = defaultServiceManager()->checkService(serviceName); |
| if (bs == NULL) { |
| return NAME_NOT_FOUND; |
| } |
| mPowerManager = interface_cast<IPowerManager>(bs); |
| } |
| status_t status; |
| status = mPowerManager->powerHint(static_cast<int>(PowerHint::VSYNC), |
| enabled ? 1 : 0); |
| if(status == DEAD_OBJECT) { |
| mPowerManager = NULL; |
| } |
| return status; |
| } |
| |
| // --------------------------------------------------------------------------- |
| }; // namespace android |
| |