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