patches/platform_frameworks_native/0004-Enable-fallback-to-old-ro.sf.hwrotation-property.patch

From c1d5c4623ee96cc37299a7da3034b8e8a1e62e9d Mon Sep 17 00:00:00 2001
From: phh <phh@phh.me>
Date: Wed, 22 Aug 2018 08:57:52 +0000
Subject: [PATCH 4/4] Enable fallback to old ro.sf.hwrotation property

---
 services/surfaceflinger/SurfaceFlinger.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 729671d..f5bbae7 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -291,6 +291,24 @@ SurfaceFlinger::SurfaceFlinger() : SurfaceFlinger(SkipInitialization) {
             mPrimaryDisplayOrientation = DisplayState::eOrientationDefault;
             break;
     }
+
+    if(primaryDisplayOrientation == V1_1::DisplayOrientation::ORIENTATION_0) {
+        int sfRotation = property_get_int32("ro.sf.hwrotation", -1);
+        switch(sfRotation) {
+            case 0:
+                mPrimaryDisplayOrientation = DisplayState::eOrientationDefault;
+                break;
+            case 90:
+                mPrimaryDisplayOrientation = DisplayState::eOrientation90;
+                break;
+            case 180:
+                mPrimaryDisplayOrientation = DisplayState::eOrientation180;
+                break;
+            case 270:
+                mPrimaryDisplayOrientation = DisplayState::eOrientation270;
+                break;
+        }
+    }
     ALOGV("Primary Display Orientation is set to %2d.", mPrimaryDisplayOrientation);
 
     mPrimaryDispSync.init(SurfaceFlinger::hasSyncFramework, SurfaceFlinger::dispSyncPresentTimeOffset);
-- 
2.7.4