You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
device_samsung_sm7125-common/livedisplay/SunlightEnhancement.cpp

63 lines
1.7 KiB

/*
* Copyright (C) 2019 The LineageOS 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-base/file.h>
#include <android-base/strings.h>
#include <fstream>
#include "SunlightEnhancement.h"
using android::base::ReadFileToString;
using android::base::Trim;
using android::base::WriteStringToFile;
namespace vendor {
namespace lineage {
namespace livedisplay {
namespace V2_0 {
namespace samsung {
static constexpr const char* kSREPath = "/sys/class/mdnie/mdnie/outdoor";
// Methods from ::vendor::lineage::livedisplay::V2_0::ISunlightEnhancement follow.
bool SunlightEnhancement::isSupported() {
std::fstream sre(kSREPath, sre.in | sre.out);
return sre.good();
}
// Methods from ::vendor::lineage::livedisplay::V2_0::IAdaptiveBacklight follow.
Return<bool> SunlightEnhancement::isEnabled() {
std::string tmp;
int32_t statusSRE = 0;
if (ReadFileToString(kSREPath, &tmp)) {
statusSRE = std::stoi(Trim(tmp));
}
return statusSRE == 1;
}
Return<bool> SunlightEnhancement::setEnabled(bool enabled) {
return WriteStringToFile(enabled ? "1" : "0", kSREPath, true);
}
} // namespace samsung
} // namespace V2_0
} // namespace livedisplay
} // namespace lineage
} // namespace vendor