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msm8976-common: lineagehw: Add mDNIe-backed ReadingEnhancement implementation
Change-Id: I88ad232434130382e95f056097cfd1b914211645
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@ -171,7 +171,8 @@ TARGET_PROVIDES_KEYMASTER := true
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# Lineage hardware
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BOARD_HARDWARE_CLASS += \
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hardware/samsung/lineagehw
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hardware/samsung/lineagehw \
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$(VENDOR_PATH)/lineagehw
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# Peripheral manager
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TARGET_PER_MGR_ENABLED := true
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38
lineagehw/org/lineage/hardware/ReadingEnhancement.java
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38
lineagehw/org/lineage/hardware/ReadingEnhancement.java
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@ -0,0 +1,38 @@
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/*
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* Copyright (C) 2018 TeamNexus
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* Copyright (C) 2018 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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package org.lineageos.hardware;
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import org.lineageos.internal.util.FileUtils;
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/**
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* Reader mode
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*/
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public class ReadingEnhancement {
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private static final String ACCESSIBILITY_FILE =
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"/sys/devices/virtual/mdnie/mdnie/accessibility";
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public static boolean isSupported() {
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return FileUtils.isFileWritable(ACCESSIBILITY_FILE);
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}
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public static boolean setGrayscale(boolean state) {
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return FileUtils.writeLine(ACCESSIBILITY_FILE, state ? "4" : "0");
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}
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}
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