51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
/*
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* Copyright (C) 2021 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 "AntiFlickerService"
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#include "AntiFlicker.h"
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#include <android-base/logging.h>
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#include <fstream>
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namespace vendor {
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namespace lineage {
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namespace livedisplay {
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namespace V2_1 {
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namespace implementation {
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static constexpr const char* kDcDimmingPath =
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"/sys/devices/platform/soc/soc:qcom,dsi-display-primary/dimlayer_exposure";
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Return<bool> AntiFlicker::isEnabled() {
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std::ifstream file(kDcDimmingPath);
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int result = -1;
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file >> result;
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LOG(DEBUG) << "Got result " << result << " fail " << file.fail();
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return !file.fail() && result > 0;
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}
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Return<bool> AntiFlicker::setEnabled(bool enabled) {
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std::ofstream file(kDcDimmingPath);
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file << (enabled ? "1" : "0");
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LOG(DEBUG) << "setEnabled fail " << file.fail();
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return !file.fail();
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}
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} // namespace implementation
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} // namespace V2_1
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} // namespace livedisplay
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} // namespace lineage
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} // namespace vendor
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