From 421b3b9bf1730e0f81dc6a35417b76372aaa9410 Mon Sep 17 00:00:00 2001
From: Saurabh Shah <saurshah@codeaurora.org>
Date: Thu, 19 Jul 2012 18:18:20 -0700
Subject: [PATCH] overlay: Secure playback add missing flag.

Add the missing GRALLOC_USAGE_PRIVATE_CP_BUFFER while allocating secure memory
Change the O_SYNC to O_DSYNC flag.

Change-Id: Ida014018be111a7904ff07c206a673b2abf52d05
---
 libgralloc/ionalloc.cpp | 3 +--
 liboverlay/overlayMem.h | 1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libgralloc/ionalloc.cpp b/libgralloc/ionalloc.cpp
index 7c8fbf4..80f448f 100644
--- a/libgralloc/ionalloc.cpp
+++ b/libgralloc/ionalloc.cpp
@@ -85,8 +85,7 @@ int IonAlloc::alloc_buffer(alloc_data& data)
     if(data.uncached) {
         // Use the sync FD to alloc and map
         // when we need uncached memory
-        // XXX: Change O_SYNC to O_DSYNC when available in bionic
-        ionSyncFd = open(ION_DEVICE, O_RDONLY|O_SYNC);
+        ionSyncFd = open(ION_DEVICE, O_RDONLY|O_DSYNC);
         if(ionSyncFd < 0) {
             ALOGE("%s: Failed to open ion device - %s",
                   __FUNCTION__, strerror(errno));
diff --git a/liboverlay/overlayMem.h b/liboverlay/overlayMem.h
index d206136..f8109d1 100644
--- a/liboverlay/overlayMem.h
+++ b/liboverlay/overlayMem.h
@@ -122,6 +122,7 @@ inline bool OvMem::open(uint32_t numbufs,
     if(isSecure) {
         allocFlags |= GRALLOC_USAGE_PRIVATE_MM_HEAP;
         allocFlags |= GRALLOC_USAGE_PRIVATE_DO_NOT_MAP;
+        allocFlags |= GRALLOC_USAGE_PRIVATE_CP_BUFFER;
     }
 
     int err = 0;