am 74a331b5: Merge change I4c29c948 into eclair

Merge commit '74a331b5dd1d39da44b608743c36ab3523f598d2' into eclair-plus-aosp

* commit '74a331b5dd1d39da44b608743c36ab3523f598d2':
  fix [2269022] The raw picture displayed post shutter seems to have low-resolution

libs/surfaceflinger/LayerBuffer.cpp

@@ -118,7 +118,12 @@ uint32_t LayerBuffer::doTransaction(uint32_t flags)
     sp<Source> source(getSource());
     if (source != 0)
         source->onTransaction(flags);
-    return LayerBase::doTransaction(flags);    
+    uint32_t res = LayerBase::doTransaction(flags);
+    // we always want filtering for these surfaces
+    if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
+        mUseLinearFiltering = true;
+    }
+    return res;
 }
 
 void LayerBuffer::unlockPageFlip(const Transform& planeTransform,