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