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/*
* Copyright (C) 2019 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 "pixelhealth/BatteryThermalControl.h"
using aidl::android::hardware::health::BatteryStatus;
using aidl::android::hardware::health::HealthInfo;
namespace hardware {
namespace google {
namespace pixel {
namespace health {
using android::base::GetIntProperty;
BatteryThermalControl::BatteryThermalControl(const std::string &path) : mThermalSocMode(path) {
mStatus = true;
}
void BatteryThermalControl::setThermalMode(bool isEnable, bool isWeakCharger) {
std::string action = (isEnable) ? "enabled" : "disabled";
if (mStatus != isEnable) {
if (!isEnable && isWeakCharger)
return;
if (android::base::WriteStringToFile(action, mThermalSocMode)) {
mStatus = isEnable;
} else {
LOG(ERROR) << "Error Write: \"" << action << "\" to " << mThermalSocMode
<< " error:" << strerror(errno);
}
}
}
void BatteryThermalControl::updateThermalState(const struct android::BatteryProperties *props) {
int bcl_disable = GetIntProperty("persist.vendor.disable.bcl.control", 0);
if (bcl_disable)
setThermalMode(false, true);
else
setThermalMode(props->batteryStatus != android::BATTERY_STATUS_CHARGING &&
props->batteryStatus != android::BATTERY_STATUS_FULL,
props->maxChargingCurrent * props->maxChargingVoltage < 37500000);
}
void BatteryThermalControl::updateThermalState(const HealthInfo &health_info) {
int bcl_disable = GetIntProperty("persist.vendor.disable.bcl.control", 0);
if (bcl_disable)
setThermalMode(false, true);
else
setThermalMode(
health_info.batteryStatus != BatteryStatus::CHARGING &&
health_info.batteryStatus != BatteryStatus::FULL,
health_info.maxChargingCurrentMicroamps * health_info.maxChargingVoltageMicrovolts <
37500000);
}
} // namespace health
} // namespace pixel
} // namespace google
} // namespace hardware
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