56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
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/*
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* Copyright (C) 2019-2020 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 "SunlightEnhancementService"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/strings.h>
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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_1 {
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namespace implementation {
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static constexpr const char* kHbmStatusPath =
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"/sys/class/drm/card0-DSI-1/disp_param";
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Return<bool> SunlightEnhancement::isEnabled() {
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std::string buf;
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if (!android::base::ReadFileToString(kHbmStatusPath, &buf)) {
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LOG(ERROR) << "Failed to read " << kHbmStatusPath;
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return false;
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}
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return buf == "0x10000";
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}
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Return<bool> SunlightEnhancement::setEnabled(bool enabled) {
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if (!android::base::WriteStringToFile((enabled ? "0x10000" : "0xF0000"), kHbmStatusPath)) {
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LOG(ERROR) << "Failed to write " << kHbmStatusPath;
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return false;
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}
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return true;
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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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