diff --git a/include/system/audio.h b/include/system/audio.h
index e6cd30b..d246070 100644
--- a/include/system/audio.h
+++ b/include/system/audio.h
@@ -63,7 +63,10 @@
     AUDIO_SOURCE_CAMCORDER           = 5,
     AUDIO_SOURCE_VOICE_RECOGNITION   = 6,
     AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
-
+    AUDIO_SOURCE_REMOTE_SUBMIX       = 8, /* Source for the mix to be presented remotely.      */
+                                          /* An example of remote presentation is Wifi Display */
+                                          /*  where a dongle attached to a TV can be used to   */
+                                          /*  play the mix captured by this audio source.      */
     AUDIO_SOURCE_CNT,
     AUDIO_SOURCE_MAX                 = AUDIO_SOURCE_CNT - 1,
 } audio_source_t;
@@ -276,6 +279,10 @@
 } audio_in_acoustics_t;
 
 enum {
+    AUDIO_DEVICE_NONE                          = 0x0,
+    /* reserved bits */
+    AUDIO_DEVICE_BIT_IN                        = 0x80000000,
+    AUDIO_DEVICE_BIT_DEFAULT                   = 0x40000000,
     /* output devices */
     AUDIO_DEVICE_OUT_EARPIECE                  = 0x1,
     AUDIO_DEVICE_OUT_SPEAKER                   = 0x2,
@@ -292,7 +299,8 @@
     AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET         = 0x1000,
     AUDIO_DEVICE_OUT_USB_ACCESSORY             = 0x2000,
     AUDIO_DEVICE_OUT_USB_DEVICE                = 0x4000,
-    AUDIO_DEVICE_OUT_DEFAULT                   = 0x8000,
+    AUDIO_DEVICE_OUT_REMOTE_SUBMIX             = 0x8000,
+    AUDIO_DEVICE_OUT_DEFAULT                   = AUDIO_DEVICE_BIT_DEFAULT,
     AUDIO_DEVICE_OUT_ALL      = (AUDIO_DEVICE_OUT_EARPIECE |
                                  AUDIO_DEVICE_OUT_SPEAKER |
                                  AUDIO_DEVICE_OUT_WIRED_HEADSET |
@@ -308,6 +316,7 @@
                                  AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET |
                                  AUDIO_DEVICE_OUT_USB_ACCESSORY |
                                  AUDIO_DEVICE_OUT_USB_DEVICE |
+                                 AUDIO_DEVICE_OUT_REMOTE_SUBMIX |
                                  AUDIO_DEVICE_OUT_DEFAULT),
     AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
                                  AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
@@ -319,15 +328,20 @@
                                  AUDIO_DEVICE_OUT_USB_DEVICE),
 
     /* input devices */
-    AUDIO_DEVICE_IN_COMMUNICATION         = 0x10000,
-    AUDIO_DEVICE_IN_AMBIENT               = 0x20000,
-    AUDIO_DEVICE_IN_BUILTIN_MIC           = 0x40000,
-    AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x80000,
-    AUDIO_DEVICE_IN_WIRED_HEADSET         = 0x100000,
-    AUDIO_DEVICE_IN_AUX_DIGITAL           = 0x200000,
-    AUDIO_DEVICE_IN_VOICE_CALL            = 0x400000,
-    AUDIO_DEVICE_IN_BACK_MIC              = 0x800000,
-    AUDIO_DEVICE_IN_DEFAULT               = 0x80000000,
+    AUDIO_DEVICE_IN_COMMUNICATION         = AUDIO_DEVICE_BIT_IN | 0x1,
+    AUDIO_DEVICE_IN_AMBIENT               = AUDIO_DEVICE_BIT_IN | 0x2,
+    AUDIO_DEVICE_IN_BUILTIN_MIC           = AUDIO_DEVICE_BIT_IN | 0x4,
+    AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8,
+    AUDIO_DEVICE_IN_WIRED_HEADSET         = AUDIO_DEVICE_BIT_IN | 0x10,
+    AUDIO_DEVICE_IN_AUX_DIGITAL           = AUDIO_DEVICE_BIT_IN | 0x20,
+    AUDIO_DEVICE_IN_VOICE_CALL            = AUDIO_DEVICE_BIT_IN | 0x40,
+    AUDIO_DEVICE_IN_BACK_MIC              = AUDIO_DEVICE_BIT_IN | 0x80,
+    AUDIO_DEVICE_IN_REMOTE_SUBMIX         = AUDIO_DEVICE_BIT_IN | 0x100,
+    AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET     = AUDIO_DEVICE_BIT_IN | 0x200,
+    AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET     = AUDIO_DEVICE_BIT_IN | 0x400,
+    AUDIO_DEVICE_IN_USB_ACCESSORY         = AUDIO_DEVICE_BIT_IN | 0x800,
+    AUDIO_DEVICE_IN_USB_DEVICE            = AUDIO_DEVICE_BIT_IN | 0x1000,
+    AUDIO_DEVICE_IN_DEFAULT               = AUDIO_DEVICE_BIT_IN | AUDIO_DEVICE_BIT_DEFAULT,
 
     AUDIO_DEVICE_IN_ALL     = (AUDIO_DEVICE_IN_COMMUNICATION |
                                AUDIO_DEVICE_IN_AMBIENT |
@@ -337,6 +351,11 @@
                                AUDIO_DEVICE_IN_AUX_DIGITAL |
                                AUDIO_DEVICE_IN_VOICE_CALL |
                                AUDIO_DEVICE_IN_BACK_MIC |
+                               AUDIO_DEVICE_IN_REMOTE_SUBMIX |
+                               AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET |
+                               AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET |
+                               AUDIO_DEVICE_IN_USB_ACCESSORY |
+                               AUDIO_DEVICE_IN_USB_DEVICE |
                                AUDIO_DEVICE_IN_DEFAULT),
     AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
 };
@@ -368,7 +387,8 @@
 
 static inline bool audio_is_output_device(audio_devices_t device)
 {
-    if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL) == 0))
+    if (((device & AUDIO_DEVICE_BIT_IN) == 0) &&
+            (popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL) == 0))
         return true;
     else
         return false;
@@ -376,12 +396,20 @@
 
 static inline bool audio_is_input_device(audio_devices_t device)
 {
-    if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_ALL) == 0))
-        return true;
-    else
-        return false;
+    if ((device & AUDIO_DEVICE_BIT_IN) != 0) {
+        device &= ~AUDIO_DEVICE_BIT_IN;
+        if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_ALL) == 0))
+            return true;
+    }
+    return false;
 }
 
+static inline bool audio_is_output_devices(audio_devices_t device)
+{
+    return (device & AUDIO_DEVICE_BIT_IN) == 0;
+}
+
+
 static inline bool audio_is_a2dp_device(audio_devices_t device)
 {
     if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_A2DP))
@@ -392,6 +420,7 @@
 
 static inline bool audio_is_bluetooth_sco_device(audio_devices_t device)
 {
+    device &= ~AUDIO_DEVICE_BIT_IN;
     if ((popcount(device) == 1) && (device & (AUDIO_DEVICE_OUT_ALL_SCO |
                    AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)))
         return true;
@@ -407,6 +436,14 @@
         return false;
 }
 
+static inline bool audio_is_remote_submix_device(audio_devices_t device)
+{
+    if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX))
+        return true;
+    else
+        return false;
+}
+
 static inline bool audio_is_input_channel(uint32_t channel)
 {
     if ((channel & ~AUDIO_CHANNEL_IN_ALL) == 0)
diff --git a/include/system/audio_policy.h b/include/system/audio_policy.h
index 91b8e9c..7b82d8d 100644
--- a/include/system/audio_policy.h
+++ b/include/system/audio_policy.h
@@ -43,6 +43,7 @@
     AUDIO_POLICY_FORCE_ANALOG_DOCK,
     AUDIO_POLICY_FORCE_DIGITAL_DOCK,
     AUDIO_POLICY_FORCE_NO_BT_A2DP, /* A2DP sink is not preferred to speaker or wired HS */
+    AUDIO_POLICY_FORCE_REMOTE_SUBMIX,
 
     AUDIO_POLICY_FORCE_CFG_CNT,
     AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1,
diff --git a/libpixelflinger/codeflinger/CodeCache.cpp b/libpixelflinger/codeflinger/CodeCache.cpp
index 7688290..f9ae00a 100644
--- a/libpixelflinger/codeflinger/CodeCache.cpp
+++ b/libpixelflinger/codeflinger/CodeCache.cpp
@@ -22,14 +22,14 @@
 #include <unistd.h>
 #include <sys/mman.h>
 
-#include <cutils/log.h>
 #include <cutils/ashmem.h>
 #include <cutils/atomic.h>
+#define LOG_TAG "CodeCache"
+#include <cutils/log.h>
+
 
 #include "codeflinger/CodeCache.h"
 
-#define LOG_TAG "CodeCache"
-
 namespace android {
 
 // ----------------------------------------------------------------------------
@@ -63,12 +63,7 @@
 #define USAGE_ERROR_ACTION(m,p) \
     heap_error("ARGUMENT IS INVALID HEAP ADDRESS", __FUNCTION__, p)
 
-
-#pragma GCC diagnostic ignored "-Wstrict-aliasing"
-#pragma GCC diagnostic ignored "-Wempty-body"
 #include "../../../../bionic/libc/upstream-dlmalloc/malloc.c"
-#pragma GCC diagnostic warning "-Wstrict-aliasing"
-#pragma GCC diagnostic warning "-Wempty-body"
 
 static void heap_error(const char* msg, const char* function, void* p) {
     ALOG(LOG_FATAL, LOG_TAG, "@@@ ABORTING: CODE FLINGER: %s IN %s addr=%p",
diff --git a/rootdir/init.rc b/rootdir/init.rc
index fc678f0..3d57211 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -63,6 +63,8 @@
 
     # Directory for putting things only root should see.
     mkdir /mnt/secure 0700 root root
+    # Create private mountpoint so we can MS_MOVE from staging
+    mount tmpfs tmpfs /mnt/secure mode=0700,uid=0,gid=0
 
     # Directory for staging bindmounts
     mkdir /mnt/secure/staging 0700 root root
@@ -135,6 +137,7 @@
     mount rootfs rootfs / ro remount
     # mount shared so changes propagate into child namespaces
     mount rootfs rootfs / shared rec
+    mount tmpfs tmpfs /mnt/secure private rec
 
     # We chown/chmod /cache again so because mount is run as root + defaults
     chown system cache /cache