From f6aea5a8e3eb7b73e119242b9f54cdc9ed9315df Mon Sep 17 00:00:00 2001
From: Simon1511 <simon2002.schoenmackers@gmail.com>
Date: Sat, 23 Oct 2021 21:06:59 +0200
Subject: [PATCH] sm7125: Import livedisplay changes from
 https://github.com/Grarak/android_device_samsung_a70q/commit/ca244936f71c3f6c144128993a78842f672e97ba

Change-Id: Ieec97393161c77cf6b8800684fd0b4bf07c8651f
---
 livedisplay/DisplayModes.cpp        |  6 +----
 livedisplay/SunlightEnhancement.cpp | 38 +++++++++--------------------
 livedisplay/SunlightEnhancement.h   |  2 +-
 rootdir/etc/init.samsung.display.rc |  3 ++-
 4 files changed, 16 insertions(+), 33 deletions(-)

diff --git a/livedisplay/DisplayModes.cpp b/livedisplay/DisplayModes.cpp
index f14e93d..b93c825 100644
--- a/livedisplay/DisplayModes.cpp
+++ b/livedisplay/DisplayModes.cpp
@@ -36,12 +36,8 @@ static constexpr const char* kDefaultPath = "/data/vendor/display/.displaymodede
 
 const std::map<int32_t, std::string> DisplayModes::kModeMap = {
     // clang-format off
-    {0, "Dynamic"},
-    {1, "Standard"},
     {2, "Natural"},
-    {3, "Cinema"},
-    {4, "Adaptive"},
-    {5, "Reading"},
+    {4, "Vivid"},
     // clang-format on
 };
 
diff --git a/livedisplay/SunlightEnhancement.cpp b/livedisplay/SunlightEnhancement.cpp
index 077672e..055aec4 100644
--- a/livedisplay/SunlightEnhancement.cpp
+++ b/livedisplay/SunlightEnhancement.cpp
@@ -31,43 +31,29 @@ namespace livedisplay {
 namespace V2_0 {
 namespace samsung {
 
-static constexpr const char* kHBMPath = "/sys/class/lcd/panel/panel/auto_brightness";
-static constexpr const char* kSREPath = "/sys/class/mdnie/mdnie/outdoor";
+static constexpr const char* kBrightnessPath = "/sys/class/backlight/panel0-backlight/brightness";
 
 // Methods from ::vendor::lineage::livedisplay::V2_0::ISunlightEnhancement follow.
 bool SunlightEnhancement::isSupported() {
-    std::fstream sre(kSREPath, sre.in | sre.out);
-    std::fstream hbm(kHBMPath, hbm.in | hbm.out);
-
-    if (hbm.good()) {
-        mHasHBM = true;
-    }
-
-    return sre.good();
+    std::fstream brightness(kBrightnessPath, brightness.in | brightness.out);
+    return brightness.good();
 }
 
 // Methods from ::vendor::lineage::livedisplay::V2_0::IAdaptiveBacklight follow.
 Return<bool> SunlightEnhancement::isEnabled() {
-    std::string tmp;
-    int32_t statusSRE = 0;
-    int32_t statusHBM = 0;
-    if (ReadFileToString(kSREPath, &tmp)) {
-        statusSRE = std::stoi(Trim(tmp));
-    }
-
-    if (mHasHBM && ReadFileToString(kHBMPath, &tmp)) {
-        statusHBM = std::stoi(Trim(tmp));
-    }
-
-    return ((statusSRE == 1 && statusHBM == 6) || statusSRE == 1);
+    std::string brightness;
+    ReadFileToString(kBrightnessPath, &brightness);
+    return brightness == "365";
 }
 
 Return<bool> SunlightEnhancement::setEnabled(bool enabled) {
-    if (mHasHBM) {
-        WriteStringToFile(enabled ? "6" : "0", kHBMPath, true);
+    if (enabled) {
+        ReadFileToString(kBrightnessPath, &previous_brightness);
+        return WriteStringToFile("365", kBrightnessPath, true);
+    } else if (!previous_brightness.empty()) {
+        return WriteStringToFile(previous_brightness, kBrightnessPath, true);
     }
-
-    return WriteStringToFile(enabled ? "1" : "0", kSREPath, true);
+    return true;
 }
 
 }  // namespace samsung
diff --git a/livedisplay/SunlightEnhancement.h b/livedisplay/SunlightEnhancement.h
index 44b34b9..b49975f 100644
--- a/livedisplay/SunlightEnhancement.h
+++ b/livedisplay/SunlightEnhancement.h
@@ -45,7 +45,7 @@ class SunlightEnhancement : public ISunlightEnhancement {
 
     // Methods from ::android::hidl::base::V1_0::IBase follow.
   private:
-    bool mHasHBM = false;
+    std::string previous_brightness;
 };
 
 }  // namespace samsung
diff --git a/rootdir/etc/init.samsung.display.rc b/rootdir/etc/init.samsung.display.rc
index cb410e9..693f464 100644
--- a/rootdir/etc/init.samsung.display.rc
+++ b/rootdir/etc/init.samsung.display.rc
@@ -40,6 +40,7 @@ on init
 	chown system media_rw /sys/class/mdnie/mdnie/outdoor
 	chown system system  /sys/class/mdnie/mdnie/mdnie_temp
 	chown system media_rw /sys/class/mdnie/mdnie/mode
+	chown system system /sys/class/mdnie/mdnie/mode_max
 	chown system system /sys/class/mdnie/mdnie/negative
 	chown system media_rw /sys/class/mdnie/mdnie/playspeed
 	chown system media_rw /sys/class/mdnie/mdnie/accessibility
@@ -485,4 +486,4 @@ on init
 	chown system system /sys/class/lcd/panel/SVC_OCTA_DDI_CHIPID
 	chmod 0440 /sys/class/lcd/panel/SVC_OCTA_DDI_CHIPID
 	chown system system /sys/class/lcd/panel1/SVC_OCTA_DDI_CHIPID
-	chmod 0440 /sys/class/lcd/panel1/SVC_OCTA_DDI_CHIPID
\ No newline at end of file
+	chmod 0440 /sys/class/lcd/panel1/SVC_OCTA_DDI_CHIPID