80 lines
1.9 KiB
C++
80 lines
1.9 KiB
C++
/*
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* Copyright (C) 2020 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "PowerShareService"
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#include "PowerShare.h"
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#include <hidl/HidlTransportSupport.h>
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#include <fstream>
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namespace vendor {
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namespace lineage {
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namespace powershare {
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namespace V1_0 {
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namespace implementation {
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#define WIRELESS_TX_PATH "/sys/class/qcom-battery/reverse_chg_mode"
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/*
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* Write value to path and close file.
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*/
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static void set(std::string path, std::string value) {
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std::ofstream file(path);
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if (!file.is_open()) {
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ALOGW("failed to write %s to %s", value.c_str(), path.c_str());
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return;
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}
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file << value;
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}
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template <typename T>
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static T get(const std::string& path, const T& def) {
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std::ifstream file(path);
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T result;
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file >> result;
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return file.fail() ? def : result;
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}
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Return<bool> PowerShare::isEnabled() {
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return get<std::string>(WIRELESS_TX_PATH, std::to_string(0)) != std::to_string(0);
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}
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Return<bool> PowerShare::setEnabled(bool enable) {
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if(enable){
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set(WIRELESS_TX_PATH, std::to_string(1));
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}else{
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set(WIRELESS_TX_PATH, std::to_string(0));
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}
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return isEnabled();
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}
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Return<uint32_t> PowerShare::getMinBattery() {
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return 0;
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}
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Return<uint32_t> PowerShare::setMinBattery(uint32_t) {
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return getMinBattery();
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace powershare
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} // namespace lineage
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} // namespace vendor
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