1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "chre/platform/power_control_manager.h" 18 19 #include "chre/platform/fatal_error.h" 20 #include "chre/platform/log.h" 21 #include "chre/platform/slpi/power_control_util.h" 22 23 namespace chre { 24 25 PowerControlManagerBase::PowerControlManagerBase() { 26 #ifdef CHRE_SLPI_UIMG_ENABLED 27 char kClientName[] = "CHRE"; 28 sns_pm_err_code_e result = sns_pm_client_init( 29 &mClientHandle, nullptr, kClientName, SNS_PM_CLIENT_ID_CHRE); 30 if (result != SNS_PM_SUCCESS) { 31 FATAL_ERROR("Power manager client init failed."); 32 } 33 #endif // CHRE_SLPI_UIMG_ENABLED 34 } 35 36 PowerControlManagerBase::~PowerControlManagerBase() { 37 #ifdef CHRE_SLPI_UIMG_ENABLED 38 sns_pm_client_close(mClientHandle); 39 #endif // CHRE_SLPI_UIMG_ENABLED 40 } 41 42 bool PowerControlManagerBase::votePowerMode( 43 sns_pm_img_mode_e mode) { 44 #ifdef CHRE_SLPI_UIMG_ENABLED 45 sns_pm_err_code_e result = sns_pm_vote_img_mode(mClientHandle, mode); 46 if (result != SNS_PM_SUCCESS) { 47 LOGE("Failed to vote for power mode %d with result %d", mode, result); 48 } 49 50 return (result == SNS_PM_SUCCESS); 51 #else 52 return true; 53 #endif // CHRE_SLPI_UIMG_ENABLED 54 } 55 56 void PowerControlManager::postEventLoopProcess(size_t numPendingEvents) { 57 if (numPendingEvents == 0 && !slpiInUImage()) { 58 votePowerMode(SNS_IMG_MODE_NOCLIENT); 59 } 60 } 61 62 } // namespace chre 63
