70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*
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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 <fstream>
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#include "SunlightEnhancement.h"
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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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// Methods from ::vendor::lineage::livedisplay::V2_0::ISunlightEnhancement follow.
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bool SunlightEnhancement::isSupported() {
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std::ofstream fileSRE("/sys/class/mdnie/mdnie/outdoor");
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std::ofstream fileHBM("/sys/class/lcd/panel/panel/auto_brightness");
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return fileSRE.good() || fileHBM.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::ifstream fileSRE("/sys/class/mdnie/mdnie/outdoor");
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std::ifstream fileHBM("/sys/class/lcd/panel/panel/auto_brightness");
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int statusSRE = -1;
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int statusHBM = -1;
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if (fileSRE.is_open()) {
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fileSRE >> statusSRE;
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}
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if (fileHBM.is_open()) {
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fileHBM >> statusHBM;
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}
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return (fileSRE.good() || fileHBM.good()) && ((statusSRE == 1 && statusHBM == 6) || statusSRE == 1);
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}
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Return<bool> SunlightEnhancement::setEnabled(bool enabled) {
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std::ofstream fileSRE("/sys/class/mdnie/mdnie/outdoor");
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std::ofstream fileHBM("/sys/class/lcd/panel/panel/auto_brightness");
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if (fileSRE.is_open()) {
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fileSRE << (enabled ? "1" : "0");
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}
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if (fileHBM.is_open()) {
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fileHBM << (enabled ? "6" : "0");
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}
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return 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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