commit 4182c4e2a07e2441fcd5c22eaff0ddfe7f826f61
author Glenn Kasten <gkasten@google.com> Mon Jul 15 14:45:07 2013 -0700
committer Glenn Kasten <gkasten@google.com> Fri Jul 19 09:30:37 2013 -0700
tree c7ed5d9b71f919bf664dd0cb6cbdd1c3de2f9241
parent 0d61251648b5110bfc33ef5b3d19bbf65db0a7b5

Use AudioSystem::setLowRamDevice() to configure memory

Bug: 9798886
Change-Id: I9321e3f369f1ed9429ae222e3926ebdeb012b8b0

services/audioflinger/AudioFlinger.cpp

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 6a3007b..99e077c 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -62,6 +62,7 @@
 #include <media/nbaio/Pipe.h>
 #include <media/nbaio/PipeReader.h>
 #include <media/AudioParameter.h>
+#include <private/android_filesystem_config.h>
 
 // ----------------------------------------------------------------------------
 
@@ -139,7 +140,9 @@
       mMasterMute(false),
       mNextUniqueId(1),
       mMode(AUDIO_MODE_INVALID),
-      mBtNrecIsOff(false)
+      mBtNrecIsOff(false),
+      mIsLowRamDevice(true),
+      mIsDeviceTypeKnown(false)
 {
     getpid_cached = getpid();
     char value[PROPERTY_VALUE_MAX];
@@ -1381,6 +1384,23 @@
 
 // ----------------------------------------------------------------------------
 
+status_t AudioFlinger::setLowRamDevice(bool isLowRamDevice)
+{
+    uid_t uid = IPCThreadState::self()->getCallingUid();
+    if (uid != AID_SYSTEM) {
+        return PERMISSION_DENIED;
+    }
+    Mutex::Autolock _l(mLock);
+    if (mIsDeviceTypeKnown) {
+        return INVALID_OPERATION;
+    }
+    mIsLowRamDevice = isLowRamDevice;
+    mIsDeviceTypeKnown = true;
+    return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
 audio_io_handle_t AudioFlinger::openOutput(audio_module_handle_t module,
                                            audio_devices_t *pDevices,
                                            uint32_t *pSamplingRate,