From da8a1faa288bfe7129f9ff6b46e9faa8acb74cbf Mon Sep 17 00:00:00 2001
From: Simon1511 <simon2002.schoenmackers@gmail.com>
Date: Sat, 29 Oct 2022 14:16:53 +0200
Subject: [PATCH] sm7125-common: livedisplay: Use hardware/samsung
 implementation for Outdoor mode

Change-Id: I55cb42f74a6cf13416f61de5c05183c7d50826db
---
 livedisplay/SunlightEnhancement.cpp | 25 ++++++++++++-------------
 livedisplay/SunlightEnhancement.h   | 11 ++---------
 2 files changed, 14 insertions(+), 22 deletions(-)

diff --git a/livedisplay/SunlightEnhancement.cpp b/livedisplay/SunlightEnhancement.cpp
index cf70b92..8ed052a 100644
--- a/livedisplay/SunlightEnhancement.cpp
+++ b/livedisplay/SunlightEnhancement.cpp
@@ -31,29 +31,28 @@ namespace livedisplay {
 namespace V2_0 {
 namespace samsung {
 
-static constexpr const char* kBrightnessPath = "/sys/class/backlight/panel0-backlight/brightness";
+static constexpr const char* kSREPath = "/sys/class/mdnie/mdnie/outdoor";
 
 // Methods from ::vendor::lineage::livedisplay::V2_0::ISunlightEnhancement follow.
 bool SunlightEnhancement::isSupported() {
-    std::fstream brightness(kBrightnessPath, brightness.in | brightness.out);
-    return brightness.good();
+    std::fstream sre(kSREPath, sre.in | sre.out);
+
+    return sre.good();
 }
 
 // Methods from ::vendor::lineage::livedisplay::V2_0::IAdaptiveBacklight follow.
 Return<bool> SunlightEnhancement::isEnabled() {
-    std::string brightness;
-    ReadFileToString(kBrightnessPath, &brightness);
-    return brightness == "486";
+    std::string tmp;
+    int32_t statusSRE = 0;
+    if (ReadFileToString(kSREPath, &tmp)) {
+        statusSRE = std::stoi(Trim(tmp));
+    }
+
+    return statusSRE == 1;
 }
 
 Return<bool> SunlightEnhancement::setEnabled(bool enabled) {
-    if (enabled) {
-        ReadFileToString(kBrightnessPath, &previous_brightness);
-        return WriteStringToFile("486", kBrightnessPath, true);
-    } else if (!previous_brightness.empty()) {
-        return WriteStringToFile(previous_brightness, kBrightnessPath, true);
-    }
-    return true;
+    return WriteStringToFile(enabled ? "1" : "0", kSREPath, true);
 }
 
 }  // namespace samsung
diff --git a/livedisplay/SunlightEnhancement.h b/livedisplay/SunlightEnhancement.h
index b49975f..fb6c22c 100644
--- a/livedisplay/SunlightEnhancement.h
+++ b/livedisplay/SunlightEnhancement.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019 The LineageOS Project
+ * Copyright (C) 2019-2022 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.
@@ -14,8 +14,7 @@
  * limitations under the License.
  */
 
-#ifndef VENDOR_LINEAGE_LIVEDISPLAY_V2_0_SUNLIGHTENHANCEMENT_H
-#define VENDOR_LINEAGE_LIVEDISPLAY_V2_0_SUNLIGHTENHANCEMENT_H
+#pragma once
 
 #include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
@@ -42,10 +41,6 @@ class SunlightEnhancement : public ISunlightEnhancement {
     // Methods from ::vendor::lineage::livedisplay::V2_0::ISunlightEnhancement follow.
     Return<bool> isEnabled() override;
     Return<bool> setEnabled(bool enabled) override;
-
-    // Methods from ::android::hidl::base::V1_0::IBase follow.
-  private:
-    std::string previous_brightness;
 };
 
 }  // namespace samsung
@@ -53,5 +48,3 @@ class SunlightEnhancement : public ISunlightEnhancement {
 }  // namespace livedisplay
 }  // namespace lineage
 }  // namespace vendor
-
-#endif  // VENDOR_LINEAGE_LIVEDISPLAY_V2_0_SUNLIGHTENHANCEMENT_H