diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 763ca58..8d5b2f0 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -112,6 +112,10 @@
 /* Bluetooth SCO wideband */
 #define AUDIO_PARAMETER_KEY_BT_SCO_WB "bt_wbs"
 
+/* Get a new HW synchronization source identifier.
+ * Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
+ * or no HW sync is available. */
+#define AUDIO_PARAMETER_HW_AV_SYNC "hw_av_sync"
 
 /**
  *  audio stream parameters
@@ -136,9 +140,7 @@
  * "sup_sampling_rates=44100|48000" */
 #define AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES "sup_sampling_rates"
 
-/* Get the HW synchronization source used for an output stream.
- * Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
- * or no HW sync source is used. */
+/* Set the HW synchronization source for an output stream. */
 #define AUDIO_PARAMETER_STREAM_HW_AV_SYNC "hw_av_sync"
 
 /**
diff --git a/include/hardware/bt_gatt_server.h b/include/hardware/bt_gatt_server.h
index 2b1de27..0d6cc1e 100644
--- a/include/hardware/bt_gatt_server.h
+++ b/include/hardware/bt_gatt_server.h
@@ -117,6 +117,9 @@
  */
 typedef void (*congestion_callback)(int conn_id, bool congested);
 
+/** Callback invoked when the MTU for a given connection changes */
+typedef void (*mtu_changed_callback)(int conn_id, int mtu);
+
 typedef struct {
     register_server_callback        register_server_cb;
     connection_callback             connection_cb;
@@ -133,6 +136,7 @@
     response_confirmation_callback  response_confirmation_cb;
     indication_sent_callback        indication_sent_cb;
     congestion_callback             congestion_cb;
+    mtu_changed_callback            mtu_changed_cb;
 } btgatt_server_callbacks_t;
 
 /** Represents the standard BT-GATT server interface. */
diff --git a/include/hardware/camera3.h b/include/hardware/camera3.h
index b705103..2bb3ba1 100644
--- a/include/hardware/camera3.h
+++ b/include/hardware/camera3.h
@@ -1073,34 +1073,7 @@
  *
  * This includes some typical use case examples the camera HAL may support.
  *
- * S8.1 Zero Shutter Lag (ZSL) with CAMERA3_STREAM_INPUT stream.
- *
- *   When Zero Shutter Lag (ZSL) is supported by the camera device, the INPUT stream
- *   can be used for application/framework implemented ZSL use case. This kind of stream
- *   will be used by the framework as follows:
- *
- *   1. Framework configures an opaque raw format output stream that is used to
- *      produce the ZSL output buffers. The stream pixel format will be
- *      HAL_PIXEL_FORMAT_RAW_OPAQUE.
- *
- *   2. Framework configures an opaque raw format input stream that is used to
- *      send the reprocess ZSL buffers to the HAL. The stream pixel format will
- *      also be HAL_PIXEL_FORMAT_RAW_OPAQUE.
- *
- *   3. Framework configures a YUV/JPEG output stream that is used to receive the
- *      reprocessed data. The stream pixel format will be YCbCr_420/HAL_PIXEL_FORMAT_BLOB.
- *
- *   4. Framework picks a ZSL buffer from the output stream when a ZSL capture is
- *      issued by the application, and sends the data back as an input buffer in a
- *      reprocessing request, then sends to the HAL for reprocessing.
- *
- *   5. The HAL sends back the output JPEG result to framework.
- *
- *   The HAL can select the actual raw buffer format and configure the ISP pipeline
- *   appropriately based on the HAL_PIXEL_FORMAT_RAW_OPAQUE format. See this format
- *   definition for more details.
- *
- * S8.2 Zero Shutter Lag (ZSL) with CAMERA3_STREAM_BIDIRECTIONAL stream.
+ * S8.1 Zero Shutter Lag (ZSL) with CAMERA3_STREAM_BIDIRECTIONAL stream.
  *
  *   For this use case, the bidirectional stream will be used by the framework as follows:
  *
@@ -1211,8 +1184,6 @@
      * quality images (that otherwise would cause a frame rate performance
      * loss), or to do off-line reprocessing.
      *
-     * A typical use case is Zero Shutter Lag (ZSL), see S8.1 for more details.
-     *
      */
     CAMERA3_STREAM_INPUT = 1,
 
@@ -1223,7 +1194,7 @@
      *
      * This kind of stream is meant generally for Zero Shutter Lag (ZSL)
      * features, where copying the captured image from the output buffer to the
-     * reprocessing input buffer would be expensive. See S8.2 for more details.
+     * reprocessing input buffer would be expensive. See S8.1 for more details.
      *
      * Note that the HAL will always be reprocessing data it produced.
      *
diff --git a/include/hardware/gps.h b/include/hardware/gps.h
index fff6402..e264cf5 100644
--- a/include/hardware/gps.h
+++ b/include/hardware/gps.h
@@ -318,6 +318,12 @@
 
 /**
  * Flags indicating the GPS measurement state.
+ * The expected behavior here is for GPS HAL to set all the flags that applies. For
+ * example, if the state for a satellite is only C/A code locked and bit synchronized,
+ * and there is still millisecond ambiguity, the state should be set as:
+ * GPS_MEASUREMENT_STATE_CODE_LOCK|GPS_MEASUREMENT_STATE_BIT_SYNC|GPS_MEASUREMENT_STATE_MSEC_AMBIGUOUS
+ * If GPS is still searching for a satellite, the corresponding state should be set to
+ * GPS_MEASUREMENT_STATE_UNKNOWN(0).
  */
 typedef uint16_t GpsMeasurementState;
 #define GPS_MEASUREMENT_STATE_UNKNOWN                   0
@@ -325,6 +331,7 @@
 #define GPS_MEASUREMENT_STATE_BIT_SYNC              (1<<1)
 #define GPS_MEASUREMENT_STATE_SUBFRAME_SYNC         (1<<2)
 #define GPS_MEASUREMENT_STATE_TOW_DECODED           (1<<3)
+#define GPS_MEASUREMENT_STATE_MSEC_AMBIGUOUS        (1<<4)
 
 /**
  * Flags indicating the Accumulated Delta Range's states.
@@ -336,7 +343,7 @@
 #define GPS_ADR_STATE_CYCLE_SLIP                (1<<2)
 
 /**
- * Enumeration of available values to indicate the available GPS Natigation message types.
+ * Enumeration of available values to indicate the available GPS Navigation message types.
  */
 typedef uint8_t GpsNavigationMessageType;
 /** The message type is unknown. */
@@ -350,6 +357,19 @@
 /** CNAV-2 message contained in the structure. */
 #define GPS_NAVIGATION_MESSAGE_TYPE_CNAV2           4
 
+/**
+ * Status of Navigation Message
+ * When a message is received properly without any parity error in its navigation words, the
+ * status should be set to NAV_MESSAGE_STATUS_PARITY_PASSED. But if a message is received
+ * with words that failed parity check, but GPS is able to correct those words, the status
+ * should be set to NAV_MESSAGE_STATUS_PARITY_REBUILT.
+ * No need to send any navigation message that contains words with parity error and cannot be
+ * corrected.
+ */
+typedef uint16_t NavigationMessageStatus;
+#define NAV_MESSAGE_STATUS_UNKONW              0
+#define NAV_MESSAGE_STATUS_PARITY_PASSED   (1<<0)
+#define NAV_MESSAGE_STATUS_PARITY_REBUILT  (1<<1)
 
 /**
  * Name for the GPS XTRA interface.
@@ -1386,12 +1406,16 @@
      * Received GPS Time-of-Week at the measurement time, in nanoseconds.
      * The value is relative to the beginning of the current GPS week.
      *
-     * Given the sync state of GPS receiver, per each satellite, valid range for this field can be:
-     *      Searching           : [ 0       ]   : GPS_MEASUREMENT_STATE_UNKNOWN
-     *      Ranging code lock   : [ 0   1ms ]   : GPS_MEASUREMENT_STATE_CODE_LOCK is set
-     *      Bit sync            : [ 0  20ms ]   : GPS_MEASUREMENT_STATE_BIT_SYNC is set
-     *      Subframe sync       : [ 0   6ms ]   : GPS_MEASUREMENT_STATE_SUBFRAME_SYNC is set
-     *      TOW decoded         : [ 0 1week ]   : GPS_MEASUREMENT_STATE_TOW_DECODED is set
+     * Given the highest sync state that can be achieved, per each satellite, valid range for
+     * this field can be:
+     *     Searching       : [ 0       ]   : GPS_MEASUREMENT_STATE_UNKNOWN
+     *     C/A code lock   : [ 0   1ms ]   : GPS_MEASUREMENT_STATE_CODE_LOCK is set
+     *     Bit sync        : [ 0  20ms ]   : GPS_MEASUREMENT_STATE_BIT_SYNC is set
+     *     Subframe sync   : [ 0    6s ]   : GPS_MEASUREMENT_STATE_SUBFRAME_SYNC is set
+     *     TOW decoded     : [ 0 1week ]   : GPS_MEASUREMENT_STATE_TOW_DECODED is set
+     *
+     * However, if there is any ambiguity in integer millisecond,
+     * GPS_MEASUREMENT_STATE_MSEC_AMBIGUOUS should be set accordingly, in the 'state' field.
      */
     int64_t received_gps_tow_ns;
 
@@ -1681,6 +1705,13 @@
     GpsNavigationMessageType type;
 
     /**
+     * The status of the received navigation message.
+     * No need to send any navigation message that contains words with parity error and cannot be
+     * corrected.
+     */
+    NavigationMessageStatus status;
+
+    /**
      * Message identifier.
      * It provides an index so the complete Navigation Message can be assembled. i.e. fo L1 C/A
      * subframe 4 and 5, this value corresponds to the 'frame id' of the navigation message.
diff --git a/include/hardware/hdmi_cec.h b/include/hardware/hdmi_cec.h
index 95c0c4e..ab70f92 100644
--- a/include/hardware/hdmi_cec.h
+++ b/include/hardware/hdmi_cec.h
@@ -212,6 +212,15 @@
      * False by default.
      */
     HDMI_OPTION_SYSTEM_CEC_CONTROL = 3,
+
+    /* Option 4 not used */
+
+    /* Passes the updated language information of Android system.
+     * Contains 3-byte ASCII code as defined in ISO/FDIS 639-2. Can be
+     * used for HAL to respond to <Get Menu Language> while in standby mode.
+     * English(eng), for example, is converted to 0x656e67.
+     */
+    HDMI_OPTION_SET_LANG = 5,
 };
 
 /*
@@ -390,7 +399,7 @@
      *
      * Returns 0 on success or -errno on error.
      */
-    void (*set_audio_return_channel)(const struct hdmi_cec_device* dev, int flag);
+    void (*set_audio_return_channel)(const struct hdmi_cec_device* dev, int port_id, int flag);
 
     /*
      * (*is_connected)() returns the connection status of the specified port.
diff --git a/include/hardware/power.h b/include/hardware/power.h
index dc33705..af7799e 100644
--- a/include/hardware/power.h
+++ b/include/hardware/power.h
@@ -27,6 +27,7 @@
 
 #define POWER_MODULE_API_VERSION_0_1  HARDWARE_MODULE_API_VERSION(0, 1)
 #define POWER_MODULE_API_VERSION_0_2  HARDWARE_MODULE_API_VERSION(0, 2)
+#define POWER_MODULE_API_VERSION_0_3  HARDWARE_MODULE_API_VERSION(0, 3)
 
 /**
  * The id of this module
@@ -48,6 +49,10 @@
     POWER_HINT_LOW_POWER = 0x00000005
 } power_hint_t;
 
+typedef enum {
+    POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 0x00000001
+} feature_t;
+
 /**
  * Every hardware module must have a data structure named HAL_MODULE_INFO_SYM
  * and the fields of this data structure must begin with hw_module_t
@@ -127,6 +132,21 @@
      */
     void (*powerHint)(struct power_module *module, power_hint_t hint,
                       void *data);
+
+    /*
+     * (*setFeature) is called to turn on or off a particular feature
+     * depending on the state parameter. The possible features are:
+     *
+     * FEATURE_DOUBLE_TAP_TO_WAKE
+     *
+     *    Enabling/Disabling this feature will allow/disallow the system
+     *    to wake up by tapping the screen twice.
+     *
+     * availability: version 0.3
+     *
+     */
+    void (*setFeature)(struct power_module *module, feature_t feature, int state);
+
 } power_module_t;
 
 
diff --git a/include/hardware/tv_input.h b/include/hardware/tv_input.h
index a94e4ea..ed3fafb 100644
--- a/include/hardware/tv_input.h
+++ b/include/hardware/tv_input.h
@@ -110,29 +110,78 @@
     int32_t reserved[16];
 } tv_input_device_info_t;
 
+/* See tv_input_event_t for more details. */
 enum {
     /*
      * Hardware notifies the framework that a device is available.
+     *
+     * Note that DEVICE_AVAILABLE and DEVICE_UNAVAILABLE events do not represent
+     * hotplug events (i.e. plugging cable into or out of the physical port).
+     * These events notify the framework whether the port is available or not.
+     * For a concrete example, when a user plugs in or pulls out the HDMI cable
+     * from a HDMI port, it does not generate DEVICE_AVAILABLE and/or
+     * DEVICE_UNAVAILABLE events. However, if a user inserts a pluggable USB
+     * tuner into the Android device, it will generate a DEVICE_AVAILABLE event
+     * and when the port is removed, it should generate a DEVICE_UNAVAILABLE
+     * event.
+     *
+     * For hotplug events, please see STREAM_CONFIGURATION_CHANGED for more
+     * details.
+     *
+     * HAL implementation should register devices by using this event when the
+     * device boots up. The framework will recognize device reported via this
+     * event only. In addition, the implementation could use this event to
+     * notify the framework that a removable TV input device (such as USB tuner
+     * as stated in the example above) is attached.
      */
     TV_INPUT_EVENT_DEVICE_AVAILABLE = 1,
     /*
      * Hardware notifies the framework that a device is unavailable.
+     *
+     * HAL implementation should generate this event when a device registered
+     * by TV_INPUT_EVENT_DEVICE_AVAILABLE is no longer available. For example,
+     * the event can indicate that a USB tuner is plugged out from the Android
+     * device.
+     *
+     * Note that this event is not for indicating cable plugged out of the port;
+     * for that purpose, the implementation should use
+     * STREAM_CONFIGURATION_CHANGED event. This event represents the port itself
+     * being no longer available.
      */
     TV_INPUT_EVENT_DEVICE_UNAVAILABLE = 2,
     /*
      * Stream configurations are changed. Client should regard all open streams
      * at the specific device are closed, and should call
      * get_stream_configurations() again, opening some of them if necessary.
+     *
+     * HAL implementation should generate this event when the available stream
+     * configurations change for any reason. A typical use case of this event
+     * would be to notify the framework that the input signal has changed
+     * resolution, or that the cable is plugged out so that the number of
+     * available streams is 0.
+     *
+     * The implementation may use this event to indicate hotplug status of the
+     * port. the framework regards input devices with no available streams as
+     * disconnected, so the implementation can generate this event with no
+     * available streams to indicate that this device is disconnected, and vice
+     * versa.
      */
     TV_INPUT_EVENT_STREAM_CONFIGURATIONS_CHANGED = 3,
     /*
      * Hardware is done with capture request with the buffer. Client can assume
      * ownership of the buffer again.
+     *
+     * HAL implementation should generate this event after request_capture() if
+     * it succeeded. The event shall have the buffer with the captured image.
      */
     TV_INPUT_EVENT_CAPTURE_SUCCEEDED = 4,
     /*
      * Hardware met a failure while processing a capture request or client
      * canceled the request. Client can assume ownership of the buffer again.
+     *
+     * The event is similar to TV_INPUT_EVENT_CAPTURE_SUCCEEDED, but HAL
+     * implementation generates this event upon a failure to process
+     * request_capture(), or a request cancellation.
      */
     TV_INPUT_EVENT_CAPTURE_FAILED = 5,
 };
diff --git a/modules/audio_remote_submix/audio_hw.cpp b/modules/audio_remote_submix/audio_hw.cpp
index 8fed8e4..b9dcf7a 100644
--- a/modules/audio_remote_submix/audio_hw.cpp
+++ b/modules/audio_remote_submix/audio_hw.cpp
@@ -140,11 +140,10 @@
     size_t buffer_period_size_frames;
 };
 
-struct submix_audio_device {
-    struct audio_hw_device device;
-    bool input_standby;
-    bool output_standby;
-    submix_config config;
+#define MAX_ROUTES 10
+typedef struct route_config {
+    struct submix_config config;
+    char address[AUDIO_DEVICE_MAX_ADDRESS_LEN];
     // Pipe variables: they handle the ring buffer that "pipes" audio:
     //  - from the submix virtual audio output == what needs to be played
     //    remotely, seen as an output for AudioFlinger
@@ -155,17 +154,20 @@
     // TV with Wifi Display capabilities), or to a wireless audio player.
     sp<MonoPipe> rsxSink;
     sp<MonoPipeReader> rsxSource;
+    // Pointers to the current input and output stream instances.  rsxSink and rsxSource are
+    // destroyed if both and input and output streams are destroyed.
+    struct submix_stream_out *output;
+    struct submix_stream_in *input;
 #if ENABLE_RESAMPLING
     // Buffer used as temporary storage for resampled data prior to returning data to the output
     // stream.
     int16_t resampler_buffer[DEFAULT_PIPE_SIZE_IN_FRAMES];
 #endif // ENABLE_RESAMPLING
+} route_config_t;
 
-    // Pointers to the current input and output stream instances.  rsxSink and rsxSource are
-    // destroyed if both and input and output streams are destroyed.
-    struct submix_stream_out *output;
-    struct submix_stream_in *input;
-
+struct submix_audio_device {
+    struct audio_hw_device device;
+    route_config_t routes[MAX_ROUTES];
     // Device lock, also used to protect access to submix_audio_device from the input and output
     // streams.
     pthread_mutex_t lock;
@@ -174,6 +176,8 @@
 struct submix_stream_out {
     struct audio_stream_out stream;
     struct submix_audio_device *dev;
+    int route_handle;
+    bool output_standby;
 #if LOG_STREAMS_TO_FILES
     int log_fd;
 #endif // LOG_STREAMS_TO_FILES
@@ -182,7 +186,9 @@
 struct submix_stream_in {
     struct audio_stream_in stream;
     struct submix_audio_device *dev;
-    bool output_standby; // output standby state as seen from record thread
+    int route_handle;
+    bool input_standby;
+    bool output_standby_rec_thr; // output standby state as seen from record thread
 
     // wall clock when recording starts
     struct timespec record_start_time;
@@ -346,40 +352,53 @@
 
 // If one doesn't exist, create a pipe for the submix audio device rsxadev of size
 // buffer_size_frames and optionally associate "in" or "out" with the submix audio device.
-static void submix_audio_device_create_pipe(struct submix_audio_device * const rsxadev,
+// Must be called with lock held on the submix_audio_device
+static void submix_audio_device_create_pipe_l(struct submix_audio_device * const rsxadev,
                                             const struct audio_config * const config,
                                             const size_t buffer_size_frames,
                                             const uint32_t buffer_period_count,
                                             struct submix_stream_in * const in,
-                                            struct submix_stream_out * const out)
+                                            struct submix_stream_out * const out,
+                                            const char *address,
+                                            int route_idx)
 {
     ALOG_ASSERT(in || out);
-    ALOGD("submix_audio_device_create_pipe()");
-    pthread_mutex_lock(&rsxadev->lock);
+    ALOG_ASSERT(route_idx > -1);
+    ALOG_ASSERT(route_idx < MAX_ROUTES);
+    ALOGD("submix_audio_device_create_pipe_l(addr=%s, idx=%d)", address, route_idx);
+
     // Save a reference to the specified input or output stream and the associated channel
     // mask.
     if (in) {
-        rsxadev->input = in;
-        rsxadev->config.input_channel_mask = config->channel_mask;
+        in->route_handle = route_idx;
+        rsxadev->routes[route_idx].input = in;
+        rsxadev->routes[route_idx].config.input_channel_mask = config->channel_mask;
 #if ENABLE_RESAMPLING
-        rsxadev->config.input_sample_rate = config->sample_rate;
+        rsxadev->routes[route_idx].config.input_sample_rate = config->sample_rate;
         // If the output isn't configured yet, set the output sample rate to the maximum supported
-        // sample rate such that the smallest possible input buffer is created.
-        if (!rsxadev->output) {
-            rsxadev->config.output_sample_rate = 48000;
+        // sample rate such that the smallest possible input buffer is created, and put a default
+        // value for channel count
+        if (!rsxadev->routes[route_idx].output) {
+            rsxadev->routes[route_idx].config.output_sample_rate = 48000;
+            rsxadev->routes[route_idx].config.output_channel_mask = AUDIO_CHANNEL_OUT_STEREO;
         }
 #endif // ENABLE_RESAMPLING
     }
     if (out) {
-        rsxadev->output = out;
-        rsxadev->config.output_channel_mask = config->channel_mask;
+        out->route_handle = route_idx;
+        rsxadev->routes[route_idx].output = out;
+        rsxadev->routes[route_idx].config.output_channel_mask = config->channel_mask;
 #if ENABLE_RESAMPLING
-        rsxadev->config.output_sample_rate = config->sample_rate;
+        rsxadev->routes[route_idx].config.output_sample_rate = config->sample_rate;
 #endif // ENABLE_RESAMPLING
     }
+    // Save the address
+    strncpy(rsxadev->routes[route_idx].address, address, AUDIO_DEVICE_MAX_ADDRESS_LEN);
+    ALOGD("  now using address %s for route %d", rsxadev->routes[route_idx].address, route_idx);
     // If a pipe isn't associated with the device, create one.
-    if (rsxadev->rsxSink == NULL || rsxadev->rsxSource == NULL) {
-        struct submix_config * const device_config = &rsxadev->config;
+    if (rsxadev->routes[route_idx].rsxSink == NULL || rsxadev->routes[route_idx].rsxSource == NULL)
+    {
+        struct submix_config * const device_config = &rsxadev->routes[route_idx].config;
         uint32_t channel_count;
         if (out)
             channel_count = audio_channel_count_from_out_mask(config->channel_mask);
@@ -407,13 +426,13 @@
         numCounterOffers = 0;
         index = source->negotiate(offers, 1, NULL, numCounterOffers);
         ALOG_ASSERT(index == 0);
-        ALOGV("submix_audio_device_create_pipe(): created pipe");
+        ALOGV("submix_audio_device_create_pipe_l(): created pipe");
 
         // Save references to the source and sink.
-        ALOG_ASSERT(rsxadev->rsxSink == NULL);
-        ALOG_ASSERT(rsxadev->rsxSource == NULL);
-        rsxadev->rsxSink = sink;
-        rsxadev->rsxSource = source;
+        ALOG_ASSERT(rsxadev->routes[route_idx].rsxSink == NULL);
+        ALOG_ASSERT(rsxadev->routes[route_idx].rsxSource == NULL);
+        rsxadev->routes[route_idx].rsxSink = sink;
+        rsxadev->routes[route_idx].rsxSource = source;
         // Store the sanitized audio format in the device so that it's possible to determine
         // the format of the pipe source when opening the input device.
         memcpy(&device_config->common, config, sizeof(device_config->common));
@@ -427,51 +446,71 @@
         device_config->pipe_frame_size = (device_config->pipe_frame_size * pipe_channel_count) /
                 channel_count;
 #endif // ENABLE_CHANNEL_CONVERSION
-        SUBMIX_ALOGV("submix_audio_device_create_pipe(): pipe frame size %zd, pipe size %zd, "
+        SUBMIX_ALOGV("submix_audio_device_create_pipe_l(): pipe frame size %zd, pipe size %zd, "
                      "period size %zd", device_config->pipe_frame_size,
                      device_config->buffer_size_frames, device_config->buffer_period_size_frames);
     }
-    pthread_mutex_unlock(&rsxadev->lock);
 }
 
 // Release references to the sink and source.  Input and output threads may maintain references
 // to these objects via StrongPointer (sp<MonoPipe> and sp<MonoPipeReader>) which they can use
 // before they shutdown.
-static void submix_audio_device_release_pipe(struct submix_audio_device * const rsxadev)
+// Must be called with lock held on the submix_audio_device
+static void submix_audio_device_release_pipe_l(struct submix_audio_device * const rsxadev,
+        int route_idx)
 {
-    ALOGD("submix_audio_device_release_pipe()");
-    rsxadev->rsxSink.clear();
-    rsxadev->rsxSource.clear();
+    ALOG_ASSERT(route_idx > -1);
+    ALOG_ASSERT(route_idx < MAX_ROUTES);
+    ALOGD("submix_audio_device_release_pipe_l(idx=%d) addr=%s", route_idx,
+            rsxadev->routes[route_idx].address);
+    if (rsxadev->routes[route_idx].rsxSink != 0) {
+        rsxadev->routes[route_idx].rsxSink.clear();
+        rsxadev->routes[route_idx].rsxSink = 0;
+    }
+    if (rsxadev->routes[route_idx].rsxSource != 0) {
+        rsxadev->routes[route_idx].rsxSource.clear();
+        rsxadev->routes[route_idx].rsxSource = 0;
+    }
+    memset(rsxadev->routes[route_idx].address, 0, AUDIO_DEVICE_MAX_ADDRESS_LEN);
+#ifdef ENABLE_RESAMPLING
+    memset(rsxadev->routes[route_idx].resampler_buffer, 0,
+            sizeof(int16_t) * DEFAULT_PIPE_SIZE_IN_FRAMES);
+#endif
 }
 
 // Remove references to the specified input and output streams.  When the device no longer
 // references input and output streams destroy the associated pipe.
-static void submix_audio_device_destroy_pipe(struct submix_audio_device * const rsxadev,
+// Must be called with lock held on the submix_audio_device
+static void submix_audio_device_destroy_pipe_l(struct submix_audio_device * const rsxadev,
                                              const struct submix_stream_in * const in,
                                              const struct submix_stream_out * const out)
 {
     MonoPipe* sink;
-    pthread_mutex_lock(&rsxadev->lock);
-    ALOGV("submix_audio_device_destroy_pipe()");
-    ALOG_ASSERT(in == NULL || rsxadev->input == in);
-    ALOG_ASSERT(out == NULL || rsxadev->output == out);
+    ALOGV("submix_audio_device_destroy_pipe_l()");
+    int route_idx = -1;
     if (in != NULL) {
 #if ENABLE_LEGACY_INPUT_OPEN
         const_cast<struct submix_stream_in*>(in)->ref_count--;
+        route_idx = in->route_handle;
+        ALOG_ASSERT(rsxadev->routes[route_idx].input == in);
         if (in->ref_count == 0) {
-            rsxadev->input = NULL;
+            rsxadev->routes[route_idx].input = NULL;
         }
-        ALOGV("submix_audio_device_destroy_pipe(): input ref_count %d", in->ref_count);
+        ALOGV("submix_audio_device_destroy_pipe_l(): input ref_count %d", in->ref_count);
 #else
         rsxadev->input = NULL;
 #endif // ENABLE_LEGACY_INPUT_OPEN
     }
-    if (out != NULL) rsxadev->output = NULL;
-    if (rsxadev->input == NULL && rsxadev->output == NULL) {
-        submix_audio_device_release_pipe(rsxadev);
-        ALOGD("submix_audio_device_destroy_pipe(): pipe destroyed");
+    if (out != NULL) {
+        route_idx = out->route_handle;
+        ALOG_ASSERT(rsxadev->routes[route_idx].output == out);
+        rsxadev->routes[route_idx].output = NULL;
     }
-    pthread_mutex_unlock(&rsxadev->lock);
+    if (route_idx != -1 &&
+            rsxadev->routes[route_idx].input == NULL && rsxadev->routes[route_idx].output == NULL) {
+        submix_audio_device_release_pipe_l(rsxadev, route_idx);
+        ALOGD("submix_audio_device_destroy_pipe_l(): pipe destroyed");
+    }
 }
 
 // Sanitize the user specified audio config for a submix input / output stream.
@@ -484,8 +523,9 @@
 }
 
 // Verify a submix input or output stream can be opened.
-static bool submix_open_validate(const struct submix_audio_device * const rsxadev,
-                                 pthread_mutex_t * const lock,
+// Must be called with lock held on the submix_audio_device
+static bool submix_open_validate_l(const struct submix_audio_device * const rsxadev,
+                                 int route_idx,
                                  const struct audio_config * const config,
                                  const bool opening_input)
 {
@@ -494,20 +534,18 @@
     audio_config pipe_config;
 
     // Query the device for the current audio config and whether input and output streams are open.
-    pthread_mutex_lock(lock);
-    output_open = rsxadev->output != NULL;
-    input_open = rsxadev->input != NULL;
-    memcpy(&pipe_config, &rsxadev->config.common, sizeof(pipe_config));
-    pthread_mutex_unlock(lock);
+    output_open = rsxadev->routes[route_idx].output != NULL;
+    input_open = rsxadev->routes[route_idx].input != NULL;
+    memcpy(&pipe_config, &rsxadev->routes[route_idx].config.common, sizeof(pipe_config));
 
     // If the stream is already open, don't open it again.
     if (opening_input ? !ENABLE_LEGACY_INPUT_OPEN && input_open : output_open) {
-        ALOGE("submix_open_validate(): %s stream already open.", opening_input ? "Input" :
+        ALOGE("submix_open_validate_l(): %s stream already open.", opening_input ? "Input" :
                 "Output");
         return false;
     }
 
-    SUBMIX_ALOGV("submix_open_validate(): sample rate=%d format=%x "
+    SUBMIX_ALOGV("submix_open_validate_l(): sample rate=%d format=%x "
                  "%s_channel_mask=%x", config->sample_rate, config->format,
                  opening_input ? "in" : "out", config->channel_mask);
 
@@ -518,16 +556,46 @@
         const audio_config * const output_config = opening_input ? &pipe_config : config;
         // Get the channel mask of the open device.
         pipe_config.channel_mask =
-            opening_input ? rsxadev->config.output_channel_mask :
-                rsxadev->config.input_channel_mask;
+            opening_input ? rsxadev->routes[route_idx].config.output_channel_mask :
+                rsxadev->routes[route_idx].config.input_channel_mask;
         if (!audio_config_compare(input_config, output_config)) {
-            ALOGE("submix_open_validate(): Unsupported format.");
+            ALOGE("submix_open_validate_l(): Unsupported format.");
             return false;
         }
     }
     return true;
 }
 
+// Must be called with lock held on the submix_audio_device
+static status_t submix_get_route_idx_for_address_l(const struct submix_audio_device * const rsxadev,
+                                                 const char* address, /*in*/
+                                                 int *idx /*out*/)
+{
+    // Do we already have a route for this address
+    int route_idx = -1;
+    int route_empty_idx = -1; // index of an empty route slot that can be used if needed
+    for (int i=0 ; i < MAX_ROUTES ; i++) {
+        if (strcmp(rsxadev->routes[i].address, "") == 0) {
+            route_empty_idx = i;
+        }
+        if (strncmp(rsxadev->routes[i].address, address, AUDIO_DEVICE_MAX_ADDRESS_LEN) == 0) {
+            route_idx = i;
+            break;
+        }
+    }
+
+    if ((route_idx == -1) && (route_empty_idx == -1)) {
+        ALOGE("Cannot create new route for address %s, max number of routes reached", address);
+        return -ENOMEM;
+    }
+    if (route_idx == -1) {
+        route_idx = route_empty_idx;
+    }
+    *idx = route_idx;
+    return OK;
+}
+
+
 // Calculate the maximum size of the pipe buffer in frames for the specified stream.
 static size_t calculate_stream_pipe_size_in_frames(const struct audio_stream *stream,
                                                    const struct submix_config *config,
@@ -546,11 +614,12 @@
     const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(
             const_cast<struct audio_stream *>(stream));
 #if ENABLE_RESAMPLING
-    const uint32_t out_rate = out->dev->config.output_sample_rate;
+    const uint32_t out_rate = out->dev->routes[out->route_handle].config.output_sample_rate;
 #else
-    const uint32_t out_rate = out->dev->config.common.sample_rate;
+    const uint32_t out_rate = out->dev->routes[out->route_handle].config.common.sample_rate;
 #endif // ENABLE_RESAMPLING
-    SUBMIX_ALOGV("out_get_sample_rate() returns %u", out_rate);
+    SUBMIX_ALOGV("out_get_sample_rate() returns %u for addr %s",
+            out_rate, out->dev->routes[out->route_handle].address);
     return out_rate;
 }
 
@@ -560,9 +629,11 @@
 #if ENABLE_RESAMPLING
     // The sample rate of the stream can't be changed once it's set since this would change the
     // output buffer size and hence break playback to the shared pipe.
-    if (rate != out->dev->config.output_sample_rate) {
+    if (rate != out->dev->routes[out->route_handle].config.output_sample_rate) {
         ALOGE("out_set_sample_rate() resampling enabled can't change sample rate from "
-              "%u to %u", out->dev->config.output_sample_rate, rate);
+              "%u to %u for addr %s",
+              out->dev->routes[out->route_handle].config.output_sample_rate, rate,
+              out->dev->routes[out->route_handle].address);
         return -ENOSYS;
     }
 #endif // ENABLE_RESAMPLING
@@ -571,7 +642,7 @@
         return -ENOSYS;
     }
     SUBMIX_ALOGV("out_set_sample_rate(rate=%u)", rate);
-    out->dev->config.common.sample_rate = rate;
+    out->dev->routes[out->route_handle].config.common.sample_rate = rate;
     return 0;
 }
 
@@ -579,7 +650,7 @@
 {
     const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(
             const_cast<struct audio_stream *>(stream));
-    const struct submix_config * const config = &out->dev->config;
+    const struct submix_config * const config = &out->dev->routes[out->route_handle].config;
     const size_t stream_frame_size =
                             audio_stream_out_frame_size((const struct audio_stream_out *)stream);
     const size_t buffer_size_frames = calculate_stream_pipe_size_in_frames(
@@ -594,7 +665,7 @@
 {
     const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(
             const_cast<struct audio_stream *>(stream));
-    uint32_t channel_mask = out->dev->config.output_channel_mask;
+    uint32_t channel_mask = out->dev->routes[out->route_handle].config.output_channel_mask;
     SUBMIX_ALOGV("out_get_channels() returns %08x", channel_mask);
     return channel_mask;
 }
@@ -603,7 +674,7 @@
 {
     const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(
             const_cast<struct audio_stream *>(stream));
-    const audio_format_t format = out->dev->config.common.format;
+    const audio_format_t format = out->dev->routes[out->route_handle].config.common.format;
     SUBMIX_ALOGV("out_get_format() returns %x", format);
     return format;
 }
@@ -611,7 +682,7 @@
 static int out_set_format(struct audio_stream *stream, audio_format_t format)
 {
     const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream);
-    if (format != out->dev->config.common.format) {
+    if (format != out->dev->routes[out->route_handle].config.common.format) {
         ALOGE("out_set_format(format=%x) format unsupported", format);
         return -ENOSYS;
     }
@@ -621,12 +692,13 @@
 
 static int out_standby(struct audio_stream *stream)
 {
-    struct submix_audio_device * const rsxadev = audio_stream_get_submix_stream_out(stream)->dev;
     ALOGI("out_standby()");
+    struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream);
+    struct submix_audio_device * const rsxadev = out->dev;
 
     pthread_mutex_lock(&rsxadev->lock);
 
-    rsxadev->output_standby = true;
+    out->output_standby = true;
 
     pthread_mutex_unlock(&rsxadev->lock);
 
@@ -653,7 +725,9 @@
                 audio_stream_get_submix_stream_out(stream)->dev;
         pthread_mutex_lock(&rsxadev->lock);
         { // using the sink
-            sp<MonoPipe> sink = rsxadev->rsxSink;
+            sp<MonoPipe> sink =
+                    rsxadev->routes[audio_stream_get_submix_stream_out(stream)->route_handle]
+                                    .rsxSink;
             if (sink == NULL) {
                 pthread_mutex_unlock(&rsxadev->lock);
                 return 0;
@@ -678,7 +752,7 @@
 {
     const struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out(
             const_cast<struct audio_stream_out *>(stream));
-    const struct submix_config * const config = &out->dev->config;
+    const struct submix_config * const config = &out->dev->routes[out->route_handle].config;
     const size_t stream_frame_size =
                             audio_stream_out_frame_size(stream);
     const size_t buffer_size_frames = calculate_stream_pipe_size_in_frames(
@@ -711,9 +785,9 @@
 
     pthread_mutex_lock(&rsxadev->lock);
 
-    rsxadev->output_standby = false;
+    out->output_standby = false;
 
-    sp<MonoPipe> sink = rsxadev->rsxSink;
+    sp<MonoPipe> sink = rsxadev->routes[out->route_handle].rsxSink;
     if (sink != NULL) {
         if (sink->isShutdown()) {
             sink.clear();
@@ -735,8 +809,8 @@
     // from the pipe to make space to write the most recent data.
     {
         const size_t availableToWrite = sink->availableToWrite();
-        sp<MonoPipeReader> source = rsxadev->rsxSource;
-        if (rsxadev->input == NULL && availableToWrite < frames) {
+        sp<MonoPipeReader> source = rsxadev->routes[out->route_handle].rsxSource;
+        if (rsxadev->routes[out->route_handle].input == NULL && availableToWrite < frames) {
             static uint8_t flush_buffer[64];
             const size_t flushBufferSizeFrames = sizeof(flush_buffer) / frame_size;
             size_t frames_to_flush_from_source = frames - availableToWrite;
@@ -745,6 +819,7 @@
             while (frames_to_flush_from_source) {
                 const size_t flush_size = min(frames_to_flush_from_source, flushBufferSizeFrames);
                 frames_to_flush_from_source -= flush_size;
+                // read does not block
                 source->read(flush_buffer, flush_size, AudioBufferProvider::kInvalidPTS);
             }
         }
@@ -824,9 +899,9 @@
     const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(
         const_cast<struct audio_stream*>(stream));
 #if ENABLE_RESAMPLING
-    const uint32_t rate = in->dev->config.input_sample_rate;
+    const uint32_t rate = in->dev->routes[in->route_handle].config.input_sample_rate;
 #else
-    const uint32_t rate = in->dev->config.common.sample_rate;
+    const uint32_t rate = in->dev->routes[in->route_handle].config.common.sample_rate;
 #endif // ENABLE_RESAMPLING
     SUBMIX_ALOGV("in_get_sample_rate() returns %u", rate);
     return rate;
@@ -838,9 +913,9 @@
 #if ENABLE_RESAMPLING
     // The sample rate of the stream can't be changed once it's set since this would change the
     // input buffer size and hence break recording from the shared pipe.
-    if (rate != in->dev->config.input_sample_rate) {
+    if (rate != in->dev->routes[in->route_handle].config.input_sample_rate) {
         ALOGE("in_set_sample_rate() resampling enabled can't change sample rate from "
-              "%u to %u", in->dev->config.input_sample_rate, rate);
+              "%u to %u", in->dev->routes[in->route_handle].config.input_sample_rate, rate);
         return -ENOSYS;
     }
 #endif // ENABLE_RESAMPLING
@@ -848,7 +923,7 @@
         ALOGE("in_set_sample_rate(rate=%u) rate unsupported", rate);
         return -ENOSYS;
     }
-    in->dev->config.common.sample_rate = rate;
+    in->dev->routes[in->route_handle].config.common.sample_rate = rate;
     SUBMIX_ALOGV("in_set_sample_rate() set %u", rate);
     return 0;
 }
@@ -857,7 +932,7 @@
 {
     const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(
             const_cast<struct audio_stream*>(stream));
-    const struct submix_config * const config = &in->dev->config;
+    const struct submix_config * const config = &in->dev->routes[in->route_handle].config;
     const size_t stream_frame_size =
                             audio_stream_in_frame_size((const struct audio_stream_in *)stream);
     size_t buffer_size_frames = calculate_stream_pipe_size_in_frames(
@@ -879,7 +954,8 @@
 {
     const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(
             const_cast<struct audio_stream*>(stream));
-    const audio_channel_mask_t channel_mask = in->dev->config.input_channel_mask;
+    const audio_channel_mask_t channel_mask =
+            in->dev->routes[in->route_handle].config.input_channel_mask;
     SUBMIX_ALOGV("in_get_channels() returns %x", channel_mask);
     return channel_mask;
 }
@@ -888,7 +964,7 @@
 {
     const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(
             const_cast<struct audio_stream*>(stream));
-    const audio_format_t format = in->dev->config.common.format;
+    const audio_format_t format = in->dev->routes[in->route_handle].config.common.format;
     SUBMIX_ALOGV("in_get_format() returns %x", format);
     return format;
 }
@@ -896,7 +972,7 @@
 static int in_set_format(struct audio_stream *stream, audio_format_t format)
 {
     const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream);
-    if (format != in->dev->config.common.format) {
+    if (format != in->dev->routes[in->route_handle].config.common.format) {
         ALOGE("in_set_format(format=%x) format unsupported", format);
         return -ENOSYS;
     }
@@ -906,12 +982,13 @@
 
 static int in_standby(struct audio_stream *stream)
 {
-    struct submix_audio_device * const rsxadev = audio_stream_get_submix_stream_in(stream)->dev;
     ALOGI("in_standby()");
+    struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream);
+    struct submix_audio_device * const rsxadev = in->dev;
 
     pthread_mutex_lock(&rsxadev->lock);
 
-    rsxadev->input_standby = true;
+    in->input_standby = true;
 
     pthread_mutex_unlock(&rsxadev->lock);
 
@@ -959,11 +1036,13 @@
     SUBMIX_ALOGV("in_read bytes=%zu", bytes);
     pthread_mutex_lock(&rsxadev->lock);
 
-    const bool output_standby_transition = (in->output_standby != in->dev->output_standby);
-    in->output_standby = rsxadev->output_standby;
+    const bool output_standby = rsxadev->routes[in->route_handle].output == NULL
+            ? true : rsxadev->routes[in->route_handle].output->output_standby;
+    const bool output_standby_transition = (in->output_standby_rec_thr != output_standby);
+    in->output_standby_rec_thr = output_standby;
 
-    if (rsxadev->input_standby || output_standby_transition) {
-        rsxadev->input_standby = false;
+    if (in->input_standby || output_standby_transition) {
+        in->input_standby = false;
         // keep track of when we exit input standby (== first read == start "real recording")
         // or when we start recording silence, and reset projected time
         int rc = clock_gettime(CLOCK_MONOTONIC, &in->record_start_time);
@@ -977,7 +1056,7 @@
 
     {
         // about to read from audio source
-        sp<MonoPipeReader> source = rsxadev->rsxSource;
+        sp<MonoPipeReader> source = rsxadev->routes[in->route_handle].rsxSource;
         if (source == NULL) {
             in->read_error_count++;// ok if it rolls over
             ALOGE_IF(in->read_error_count < MAX_READ_ERROR_LOGS,
@@ -996,14 +1075,15 @@
 #if ENABLE_CHANNEL_CONVERSION
         // Determine whether channel conversion is required.
         const uint32_t input_channels = audio_channel_count_from_in_mask(
-            rsxadev->config.input_channel_mask);
+            rsxadev->routes[in->route_handle].config.input_channel_mask);
         const uint32_t output_channels = audio_channel_count_from_out_mask(
-            rsxadev->config.output_channel_mask);
+            rsxadev->routes[in->route_handle].config.output_channel_mask);
         if (input_channels != output_channels) {
             SUBMIX_ALOGV("in_read(): %d output channels will be converted to %d "
                          "input channels", output_channels, input_channels);
             // Only support 16-bit PCM channel conversion from mono to stereo or stereo to mono.
-            ALOG_ASSERT(rsxadev->config.common.format == AUDIO_FORMAT_PCM_16_BIT);
+            ALOG_ASSERT(rsxadev->routes[in->route_handle].config.common.format ==
+                    AUDIO_FORMAT_PCM_16_BIT);
             ALOG_ASSERT((input_channels == 1 && output_channels == 2) ||
                         (input_channels == 2 && output_channels == 1));
         }
@@ -1011,17 +1091,21 @@
 
 #if ENABLE_RESAMPLING
         const uint32_t input_sample_rate = in_get_sample_rate(&stream->common);
-        const uint32_t output_sample_rate = rsxadev->config.output_sample_rate;
+        const uint32_t output_sample_rate =
+                rsxadev->routes[in->route_handle].config.output_sample_rate;
         const size_t resampler_buffer_size_frames =
-            sizeof(rsxadev->resampler_buffer) / sizeof(rsxadev->resampler_buffer[0]);
+            sizeof(rsxadev->routes[in->route_handle].resampler_buffer) /
+                sizeof(rsxadev->routes[in->route_handle].resampler_buffer[0]);
         float resampler_ratio = 1.0f;
         // Determine whether resampling is required.
         if (input_sample_rate != output_sample_rate) {
             resampler_ratio = (float)output_sample_rate / (float)input_sample_rate;
             // Only support 16-bit PCM mono resampling.
             // NOTE: Resampling is performed after the channel conversion step.
-            ALOG_ASSERT(rsxadev->config.common.format == AUDIO_FORMAT_PCM_16_BIT);
-            ALOG_ASSERT(audio_channel_count_from_in_mask(rsxadev->config.input_channel_mask) == 1);
+            ALOG_ASSERT(rsxadev->routes[in->route_handle].config.common.format ==
+                    AUDIO_FORMAT_PCM_16_BIT);
+            ALOG_ASSERT(audio_channel_count_from_in_mask(
+                    rsxadev->routes[in->route_handle].config.input_channel_mask) == 1);
         }
 #endif // ENABLE_RESAMPLING
 
@@ -1037,7 +1121,7 @@
                     (float)read_frames * (float)resampler_ratio);
                 read_frames = min(frames_required_for_resampler, resampler_buffer_size_frames);
                 // Read into the resampler buffer.
-                buff = (char*)rsxadev->resampler_buffer;
+                buff = (char*)rsxadev->routes[in->route_handle].resampler_buffer;
             }
 #endif // ENABLE_RESAMPLING
 #if ENABLE_CHANNEL_CONVERSION
@@ -1195,10 +1279,10 @@
                                    audio_output_flags_t flags,
                                    struct audio_config *config,
                                    struct audio_stream_out **stream_out,
-                                   const char *address __unused)
+                                   const char *address)
 {
     struct submix_audio_device * const rsxadev = audio_hw_device_get_submix_audio_device(dev);
-    ALOGD("adev_open_output_stream()");
+    ALOGD("adev_open_output_stream(address=%s)", address);
     struct submix_stream_out *out;
     bool force_pipe_creation = false;
     (void)handle;
@@ -1209,13 +1293,29 @@
 
     // Make sure it's possible to open the device given the current audio config.
     submix_sanitize_config(config, false);
-    if (!submix_open_validate(rsxadev, &rsxadev->lock, config, false)) {
-        ALOGE("adev_open_output_stream(): Unable to open output stream.");
+
+    int route_idx = -1;
+
+    pthread_mutex_lock(&rsxadev->lock);
+
+    status_t res = submix_get_route_idx_for_address_l(rsxadev, address, &route_idx);
+    if (res != OK) {
+        ALOGE("Error %d looking for address=%s in adev_open_output_stream", res, address);
+        pthread_mutex_unlock(&rsxadev->lock);
+        return res;
+    }
+
+    if (!submix_open_validate_l(rsxadev, route_idx, config, false)) {
+        ALOGE("adev_open_output_stream(): Unable to open output stream for address %s", address);
+        pthread_mutex_unlock(&rsxadev->lock);
         return -EINVAL;
     }
 
     out = (struct submix_stream_out *)calloc(1, sizeof(struct submix_stream_out));
-    if (!out) return -ENOMEM;
+    if (!out) {
+        pthread_mutex_unlock(&rsxadev->lock);
+        return -ENOMEM;
+    }
 
     // Initialize the function pointer tables (v-tables).
     out->stream.common.get_sample_rate = out_get_sample_rate;
@@ -1239,23 +1339,23 @@
 #if ENABLE_RESAMPLING
     // Recreate the pipe with the correct sample rate so that MonoPipe.write() rate limits
     // writes correctly.
-    force_pipe_creation = rsxadev->config.common.sample_rate != config->sample_rate;
+    force_pipe_creation = rsxadev->routes[route_idx].config.common.sample_rate
+            != config->sample_rate;
 #endif // ENABLE_RESAMPLING
 
     // If the sink has been shutdown or pipe recreation is forced (see above), delete the pipe so
     // that it's recreated.
-    pthread_mutex_lock(&rsxadev->lock);
-    if ((rsxadev->rsxSink != NULL && rsxadev->rsxSink->isShutdown()) || force_pipe_creation) {
-        submix_audio_device_release_pipe(rsxadev);
+    if ((rsxadev->routes[route_idx].rsxSink != NULL
+            && rsxadev->routes[route_idx].rsxSink->isShutdown()) || force_pipe_creation) {
+        submix_audio_device_release_pipe_l(rsxadev, route_idx);
     }
-    pthread_mutex_unlock(&rsxadev->lock);
 
     // Store a pointer to the device from the output stream.
     out->dev = rsxadev;
     // Initialize the pipe.
-    ALOGV("adev_open_output_stream(): about to create pipe");
-    submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
-                                    DEFAULT_PIPE_PERIOD_COUNT, NULL, out);
+    ALOGV("adev_open_output_stream(): about to create pipe at index %d", route_idx);
+    submix_audio_device_create_pipe_l(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
+            DEFAULT_PIPE_PERIOD_COUNT, NULL, out, address, route_idx);
 #if LOG_STREAMS_TO_FILES
     out->log_fd = open(LOG_STREAM_OUT_FILENAME, O_CREAT | O_TRUNC | O_WRONLY,
                        LOG_STREAM_FILE_PERMISSIONS);
@@ -1266,18 +1366,25 @@
     // Return the output stream.
     *stream_out = &out->stream;
 
+    pthread_mutex_unlock(&rsxadev->lock);
     return 0;
 }
 
 static void adev_close_output_stream(struct audio_hw_device *dev,
                                      struct audio_stream_out *stream)
 {
+    struct submix_audio_device * rsxadev = audio_hw_device_get_submix_audio_device(
+                    const_cast<struct audio_hw_device*>(dev));
     struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out(stream);
-    ALOGD("adev_close_output_stream()");
-    submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), NULL, out);
+
+    pthread_mutex_lock(&rsxadev->lock);
+    ALOGD("adev_close_output_stream() addr = %s", rsxadev->routes[out->route_handle].address);
+    submix_audio_device_destroy_pipe_l(audio_hw_device_get_submix_audio_device(dev), NULL, out);
 #if LOG_STREAMS_TO_FILES
     if (out->log_fd >= 0) close(out->log_fd);
 #endif // LOG_STREAMS_TO_FILES
+
+    pthread_mutex_unlock(&rsxadev->lock);
     free(out);
 }
 
@@ -1363,12 +1470,19 @@
                                          const struct audio_config *config)
 {
     if (audio_is_linear_pcm(config->format)) {
-        const size_t buffer_period_size_frames =
-            audio_hw_device_get_submix_audio_device(const_cast<struct audio_hw_device*>(dev))->
-                config.buffer_period_size_frames;
+        size_t max_buffer_period_size_frames = 0;
+        struct submix_audio_device * rsxadev = audio_hw_device_get_submix_audio_device(
+                const_cast<struct audio_hw_device*>(dev));
+        // look for the largest buffer period size
+        for (int i = 0 ; i < MAX_ROUTES ; i++) {
+            if (rsxadev->routes[i].config.buffer_period_size_frames > max_buffer_period_size_frames)
+            {
+                max_buffer_period_size_frames = rsxadev->routes[i].config.buffer_period_size_frames;
+            }
+        }
         const size_t frame_size_in_bytes = audio_channel_count_from_in_mask(config->channel_mask) *
                 audio_bytes_per_sample(config->format);
-        const size_t buffer_size = buffer_period_size_frames * frame_size_in_bytes;
+        const size_t buffer_size = max_buffer_period_size_frames * frame_size_in_bytes;
         SUBMIX_ALOGV("adev_get_input_buffer_size() returns %zu bytes, %zu frames",
                  buffer_size, buffer_period_size_frames);
         return buffer_size;
@@ -1382,37 +1496,49 @@
                                   struct audio_config *config,
                                   struct audio_stream_in **stream_in,
                                   audio_input_flags_t flags __unused,
-                                  const char *address __unused,
+                                  const char *address,
                                   audio_source_t source __unused)
 {
     struct submix_audio_device *rsxadev = audio_hw_device_get_submix_audio_device(dev);
     struct submix_stream_in *in;
-    ALOGD("adev_open_input_stream()");
+    ALOGD("adev_open_input_stream(addr=%s)", address);
     (void)handle;
     (void)devices;
 
     *stream_in = NULL;
 
+    // Do we already have a route for this address
+    int route_idx = -1;
+
+    pthread_mutex_lock(&rsxadev->lock);
+
+    status_t res = submix_get_route_idx_for_address_l(rsxadev, address, &route_idx);
+    if (res != OK) {
+        ALOGE("Error %d looking for address=%s in adev_open_output_stream", res, address);
+        pthread_mutex_unlock(&rsxadev->lock);
+        return res;
+    }
+
     // Make sure it's possible to open the device given the current audio config.
     submix_sanitize_config(config, true);
-    if (!submix_open_validate(rsxadev, &rsxadev->lock, config, true)) {
+    if (!submix_open_validate_l(rsxadev, route_idx, config, true)) {
         ALOGE("adev_open_input_stream(): Unable to open input stream.");
+        pthread_mutex_unlock(&rsxadev->lock);
         return -EINVAL;
     }
 
 #if ENABLE_LEGACY_INPUT_OPEN
-    pthread_mutex_lock(&rsxadev->lock);
-    in = rsxadev->input;
+    in = rsxadev->routes[route_idx].input;
     if (in) {
         in->ref_count++;
-        sp<MonoPipe> sink = rsxadev->rsxSink;
+        sp<MonoPipe> sink = rsxadev->routes[route_idx].rsxSink;
         ALOG_ASSERT(sink != NULL);
         // If the sink has been shutdown, delete the pipe.
         if (sink != NULL) {
             if (sink->isShutdown()) {
                 ALOGD(" Non-NULL shut down sink when opening input stream, releasing, refcount=%d",
                         in->ref_count);
-                submix_audio_device_release_pipe(rsxadev);
+                submix_audio_device_release_pipe_l(rsxadev, in->route_handle);
             } else {
                 ALOGD(" Non-NULL sink when opening input stream, refcount=%d", in->ref_count);
             }
@@ -1420,7 +1546,6 @@
             ALOGE("NULL sink when opening input stream, refcount=%d", in->ref_count);
         }
     }
-    pthread_mutex_unlock(&rsxadev->lock);
 #else
     in = NULL;
 #endif // ENABLE_LEGACY_INPUT_OPEN
@@ -1446,18 +1571,29 @@
         in->stream.set_gain = in_set_gain;
         in->stream.read = in_read;
         in->stream.get_input_frames_lost = in_get_input_frames_lost;
+
+        in->dev = rsxadev;
+#if LOG_STREAMS_TO_FILES
+        in->log_fd = -1;
+#endif
     }
 
     // Initialize the input stream.
     in->read_counter_frames = 0;
-    in->output_standby = rsxadev->output_standby;
-    in->dev = rsxadev;
+    in->input_standby = true;
+    if (rsxadev->routes[route_idx].output != NULL) {
+        in->output_standby_rec_thr = rsxadev->routes[route_idx].output->output_standby;
+    } else {
+        in->output_standby_rec_thr = true;
+    }
+
     in->read_error_count = 0;
     // Initialize the pipe.
     ALOGV("adev_open_input_stream(): about to create pipe");
-    submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
-                                    DEFAULT_PIPE_PERIOD_COUNT, in, NULL);
+    submix_audio_device_create_pipe_l(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES,
+                                    DEFAULT_PIPE_PERIOD_COUNT, in, NULL, address, route_idx);
 #if LOG_STREAMS_TO_FILES
+    if (in->log_fd >= 0) close(in->log_fd);
     in->log_fd = open(LOG_STREAM_IN_FILENAME, O_CREAT | O_TRUNC | O_WRONLY,
                       LOG_STREAM_FILE_PERMISSIONS);
     ALOGE_IF(in->log_fd < 0, "adev_open_input_stream(): log file open failed %s",
@@ -1467,15 +1603,19 @@
     // Return the input stream.
     *stream_in = &in->stream;
 
+    pthread_mutex_unlock(&rsxadev->lock);
     return 0;
 }
 
 static void adev_close_input_stream(struct audio_hw_device *dev,
                                     struct audio_stream_in *stream)
 {
+    struct submix_audio_device * const rsxadev = audio_hw_device_get_submix_audio_device(dev);
+
     struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(stream);
     ALOGD("adev_close_input_stream()");
-    submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), in, NULL);
+    pthread_mutex_lock(&rsxadev->lock);
+    submix_audio_device_destroy_pipe_l(rsxadev, in, NULL);
 #if LOG_STREAMS_TO_FILES
     if (in->log_fd >= 0) close(in->log_fd);
 #endif // LOG_STREAMS_TO_FILES
@@ -1484,12 +1624,26 @@
 #else
     free(in);
 #endif // ENABLE_LEGACY_INPUT_OPEN
+
+    pthread_mutex_unlock(&rsxadev->lock);
 }
 
 static int adev_dump(const audio_hw_device_t *device, int fd)
 {
-    (void)device;
-    (void)fd;
+    const struct submix_audio_device * rsxadev = //audio_hw_device_get_submix_audio_device(device);
+            reinterpret_cast<const struct submix_audio_device *>(
+                    reinterpret_cast<const uint8_t *>(device) -
+                            offsetof(struct submix_audio_device, device));
+    char msg[100];
+    int n = sprintf(msg, "\nReroute submix audio module:\n");
+    write(fd, &msg, n);
+    for (int i=0 ; i < MAX_ROUTES ; i++) {
+        n = sprintf(msg, " route[%d] rate in=%d out=%d, addr=[%s]\n", i,
+                rsxadev->routes[i].config.input_sample_rate,
+                rsxadev->routes[i].config.output_sample_rate,
+                rsxadev->routes[i].address);
+        write(fd, &msg, n);
+    }
     return 0;
 }
 
@@ -1536,8 +1690,10 @@
     rsxadev->device.close_input_stream = adev_close_input_stream;
     rsxadev->device.dump = adev_dump;
 
-    rsxadev->input_standby = true;
-    rsxadev->output_standby = true;
+    for (int i=0 ; i < MAX_ROUTES ; i++) {
+            memset(&rsxadev->routes[i], 0, sizeof(route_config));
+            strcpy(rsxadev->routes[i].address, "");
+        }
 
     *device = &rsxadev->device.common;
 
diff --git a/modules/sensors/multihal.cpp b/modules/sensors/multihal.cpp
index 76ec161..cd67f6d 100644
--- a/modules/sensors/multihal.cpp
+++ b/modules/sensors/multihal.cpp
@@ -28,6 +28,7 @@
 
 #include <vector>
 #include <map>
+#include <string>
 
 #include <stdio.h>
 #include <dlfcn.h>
@@ -250,13 +251,41 @@
     }
 }
 
+// Android L requires sensor HALs to be either 1_0 or 1_3 compliant
+#define HAL_VERSION_IS_COMPLIANT(version)  \
+    (version == SENSORS_DEVICE_API_VERSION_1_0 || version >= SENSORS_DEVICE_API_VERSION_1_3)
+
+// Returns true if HAL is compliant, false if HAL is not compliant or if handle is invalid
+static bool halIsCompliant(sensors_poll_context_t *ctx, int handle) {
+    int version = ctx->get_device_version_by_handle(handle);
+    return version != -1 && HAL_VERSION_IS_COMPLIANT(version);
+}
+
+const char *apiNumToStr(int version) {
+    switch(version) {
+    case SENSORS_DEVICE_API_VERSION_1_0:
+        return "SENSORS_DEVICE_API_VERSION_1_0";
+    case SENSORS_DEVICE_API_VERSION_1_1:
+        return "SENSORS_DEVICE_API_VERSION_1_1";
+    case SENSORS_DEVICE_API_VERSION_1_2:
+        return "SENSORS_DEVICE_API_VERSION_1_2";
+    case SENSORS_DEVICE_API_VERSION_1_3:
+        return "SENSORS_DEVICE_API_VERSION_1_3";
+    default:
+        return "UNKNOWN";
+    }
+}
+
 int sensors_poll_context_t::activate(int handle, int enabled) {
     int retval = -EINVAL;
     ALOGV("activate");
     int local_handle = get_local_handle(handle);
     sensors_poll_device_t* v0 = this->get_v0_device_by_handle(handle);
-    if (local_handle >= 0 && v0) {
+    if (halIsCompliant(this, handle) && local_handle >= 0 && v0) {
         retval = v0->activate(v0, local_handle, enabled);
+    } else {
+        ALOGE("IGNORING activate(enable %d) call to non-API-compliant sensor handle=%d !",
+                enabled, handle);
     }
     ALOGV("retval %d", retval);
     return retval;
@@ -267,8 +296,10 @@
     ALOGV("setDelay");
     int local_handle = get_local_handle(handle);
     sensors_poll_device_t* v0 = this->get_v0_device_by_handle(handle);
-    if (local_handle >= 0 && v0) {
+    if (halIsCompliant(this, handle) && local_handle >= 0 && v0) {
         retval = v0->setDelay(v0, local_handle, ns);
+    } else {
+        ALOGE("IGNORING setDelay() call for non-API-compliant sensor handle=%d !", handle);
     }
     ALOGV("retval %d", retval);
     return retval;
@@ -341,11 +372,12 @@
 int sensors_poll_context_t::batch(int handle, int flags, int64_t period_ns, int64_t timeout) {
     ALOGV("batch");
     int retval = -EINVAL;
-    int version = this->get_device_version_by_handle(handle);
     int local_handle = get_local_handle(handle);
     sensors_poll_device_1_t* v1 = this->get_v1_device_by_handle(handle);
-    if (version >= SENSORS_DEVICE_API_VERSION_1_0 && local_handle >= 0 && v1) {
+    if (halIsCompliant(this, handle) && local_handle >= 0 && v1) {
         retval = v1->batch(v1, local_handle, flags, period_ns, timeout);
+    } else {
+        ALOGE("IGNORING batch() call to non-API-compliant sensor handle=%d !", handle);
     }
     ALOGV("retval %d", retval);
     return retval;
@@ -354,11 +386,12 @@
 int sensors_poll_context_t::flush(int handle) {
     ALOGV("flush");
     int retval = -EINVAL;
-    int version = this->get_device_version_by_handle(handle);
     int local_handle = get_local_handle(handle);
     sensors_poll_device_1_t* v1 = this->get_v1_device_by_handle(handle);
-    if (version >= SENSORS_DEVICE_API_VERSION_1_0 && local_handle >= 0 && v1) {
+    if (halIsCompliant(this, handle) && local_handle >= 0 && v1) {
         retval = v1->flush(v1, local_handle);
+    } else {
+        ALOGE("IGNORING flush() call to non-API-compliant sensor handle=%d !", handle);
     }
     ALOGV("retval %d", retval);
     return retval;
@@ -577,7 +610,7 @@
     ALOGV("end lazy_init_sensors_list");
 }
 
-static int module__get_sensors_list(struct sensors_module_t* module,
+static int module__get_sensors_list(__unused struct sensors_module_t* module,
         struct sensor_t const** list) {
     ALOGV("module__get_sensors_list start");
     lazy_init_sensors_list();
@@ -618,7 +651,7 @@
     sensors_poll_context_t *dev = new sensors_poll_context_t();
     memset(dev, 0, sizeof(sensors_poll_device_1_t));
     dev->proxy_device.common.tag = HARDWARE_DEVICE_TAG;
-    dev->proxy_device.common.version = SENSORS_DEVICE_API_VERSION_1_1;
+    dev->proxy_device.common.version = SENSORS_DEVICE_API_VERSION_1_3;
     dev->proxy_device.common.module = const_cast<hw_module_t*>(hw_module);
     dev->proxy_device.common.close = device__close;
     dev->proxy_device.activate = device__activate;
@@ -635,8 +668,15 @@
         sensors_module_t *sensors_module = (sensors_module_t*) *it;
         struct hw_device_t* sub_hw_device;
         int sub_open_result = sensors_module->common.methods->open(*it, name, &sub_hw_device);
-        if (!sub_open_result)
+        if (!sub_open_result) {
+            if (!HAL_VERSION_IS_COMPLIANT(sub_hw_device->version)) {
+                ALOGE("SENSORS_DEVICE_API_VERSION_1_3 is required for all sensor HALs");
+                ALOGE("This HAL reports non-compliant API level : %s",
+                        apiNumToStr(sub_hw_device->version));
+                ALOGE("Sensors belonging to this HAL will get ignored !");
+            }
             dev->addSubHwDevice(sub_hw_device);
+        }
     }
 
     // Prepare the output param and return
diff --git a/modules/usbaudio/alsa_device_profile.c b/modules/usbaudio/alsa_device_profile.c
index c7df00c..8e84471 100644
--- a/modules/usbaudio/alsa_device_profile.c
+++ b/modules/usbaudio/alsa_device_profile.c
@@ -58,10 +58,9 @@
 static const unsigned std_sample_rates[] =
     {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000};
 
-void profile_init(alsa_device_profile* profile, int direction)
+static void profile_reset(alsa_device_profile* profile)
 {
     profile->card = profile->device = -1;
-    profile->direction = direction;
 
     /* Fill the attribute arrays with invalid values */
     size_t index;
@@ -83,6 +82,12 @@
     profile->is_valid = false;
 }
 
+void profile_init(alsa_device_profile* profile, int direction)
+{
+    profile->direction = direction;
+    profile_reset(profile);
+}
+
 bool profile_is_initialized(alsa_device_profile* profile)
 {
     return profile->card >= 0 && profile->device >= 0;
@@ -97,7 +102,7 @@
 }
 
 void profile_decache(alsa_device_profile* profile) {
-    profile->card = profile->device = -1;
+    profile_reset(profile);
 }
 
 /*
@@ -275,28 +280,19 @@
 
 static unsigned profile_enum_channel_counts(alsa_device_profile* profile, unsigned min, unsigned max)
 {
-    // TODO: Don't return MONO even if the device supports it. This causes problems
-    // in AudioPolicyManager. Revisit.
-    static const unsigned std_out_channel_counts[] = {8, 4, 2/*, 1*/};
-    static const unsigned std_in_channel_counts[] = {8, 4, 2, 1};
-
-    unsigned * channel_counts =
-        profile->direction == PCM_OUT ? std_out_channel_counts : std_in_channel_counts;
-    unsigned num_channel_counts =
-        profile->direction == PCM_OUT
-            ? ARRAY_SIZE(std_out_channel_counts) : ARRAY_SIZE(std_in_channel_counts);
+    static const unsigned std_channel_counts[] = {8, 4, 2, 1};
 
     unsigned num_counts = 0;
     unsigned index;
     /* TODO write a profile_test_channel_count() */
     /* Ensure there is at least one invalid channel count to terminate the channel counts array */
-    for (index = 0; index < num_channel_counts &&
+    for (index = 0; index < ARRAY_SIZE(std_channel_counts) &&
                     num_counts < ARRAY_SIZE(profile->channel_counts) - 1;
          index++) {
         /* TODO Do we want a channel counts test? */
-        if (channel_counts[index] >= min && channel_counts[index] <= max /* &&
+        if (std_channel_counts[index] >= min && std_channel_counts[index] <= max /* &&
             profile_test_channel_count(profile, channel_counts[index])*/) {
-            profile->channel_counts[num_counts++] = channel_counts[index];
+            profile->channel_counts[num_counts++] = std_channel_counts[index];
         }
     }
 
@@ -459,6 +455,7 @@
     };
 
     const bool isOutProfile = profile->direction == PCM_OUT;
+
     const char * const * const names_array = isOutProfile ? out_chans_strs : in_chans_strs;
     const size_t names_size = isOutProfile ? ARRAY_SIZE(out_chans_strs)
             : ARRAY_SIZE(in_chans_strs);
@@ -467,12 +464,17 @@
     buffer[0] = '\0';
     const int buffer_size = ARRAY_SIZE(buffer);
     int num_entries = 0;
-    bool stereo_allowed = false;
+    /* We currently support MONO and STEREO, and always report STEREO but some (many)
+     * USB Audio Devices may only announce support for MONO (a headset mic for example), or
+     * The total number of output channels. SO, if the device itself doesn't explicitly
+     * support STEREO, append to the channel config strings we are generating.
+     */
+    bool stereo_present = false;
     unsigned index;
     unsigned channel_count;
 
     for (index = 0; (channel_count = profile->channel_counts[index]) != 0; index++) {
-        stereo_allowed = stereo_allowed || channel_count == 2;
+        stereo_present = stereo_present || channel_count == 2;
         if (channel_count < names_size && names_array[channel_count] != NULL) {
             if (num_entries++ != 0) {
                 strncat(buffer, "|", buffer_size);
@@ -480,14 +482,16 @@
             strncat(buffer, names_array[channel_count], buffer_size);
         }
     }
+
     /* emulated modes:
      * always expose stereo as we can emulate it for PCM_OUT
      */
-    if (!stereo_allowed && isOutProfile) {
+    if (!stereo_present) {
         if (num_entries++ != 0) {
             strncat(buffer, "|", buffer_size);
         }
         strncat(buffer, names_array[2], buffer_size); /* stereo */
     }
+
     return strdup(buffer);
 }
diff --git a/modules/usbaudio/audio_hw.c b/modules/usbaudio/audio_hw.c
index 78fa7c5..ad01833 100644
--- a/modules/usbaudio/audio_hw.c
+++ b/modules/usbaudio/audio_hw.c
@@ -104,9 +104,11 @@
     alsa_device_profile * profile;
     alsa_device_proxy proxy;            /* state of the stream */
 
-    // not used?
-    // struct audio_config hal_pcm_config;
-
+    unsigned hal_channel_count;         /* channel count exposed to AudioFlinger.
+                                         * This may differ from the device channel count when
+                                         * the device is not compatible with AudioFlinger
+                                         * capabilities, e.g. exposes too many channels or
+                                         * too few channels. */
     /* We may need to read more data from the device in order to data reduce to 16bit, 4chan */
     void * conversion_buffer;           /* any conversions are put into here
                                          * they could come from here too if
@@ -623,25 +625,13 @@
 static size_t in_get_buffer_size(const struct audio_stream *stream)
 {
     const struct stream_in * in = ((const struct stream_in*)stream);
-    size_t buffer_size =
-        proxy_get_period_size(&in->proxy) * audio_stream_in_frame_size(&(in->stream));
-    ALOGV("in_get_buffer_size() = %zd", buffer_size);
-
-    return buffer_size;
+    return proxy_get_period_size(&in->proxy) * audio_stream_in_frame_size(&(in->stream));
 }
 
 static uint32_t in_get_channels(const struct audio_stream *stream)
 {
-    /* TODO Here is the code we need when we support arbitrary channel counts
-     * alsa_device_proxy * proxy = ((struct stream_in*)stream)->proxy;
-     * unsigned channel_count = proxy_get_channel_count(proxy);
-     * uint32_t channel_mask = audio_channel_in_mask_from_count(channel_count);
-     * ALOGV("in_get_channels() = 0x%X count:%d", channel_mask, channel_count);
-     * return channel_mask;
-     */
-    /* TODO When AudioPolicyManager & AudioFlinger supports arbitrary channels
-     rewrite this to return the ACTUAL channel format */
-    return AUDIO_CHANNEL_IN_STEREO;
+    const struct stream_in *in = (const struct stream_in*)stream;
+    return audio_channel_in_mask_from_count(in->hal_channel_count);
 }
 
 static audio_format_t in_get_format(const struct audio_stream *stream)
@@ -785,6 +775,7 @@
     size_t num_read_buff_bytes = 0;
     void * read_buff = buffer;
     void * out_buff = buffer;
+    int ret = 0;
 
     struct stream_in * in = (struct stream_in *)stream;
 
@@ -808,7 +799,7 @@
      */
     num_read_buff_bytes = bytes;
     int num_device_channels = proxy_get_channel_count(&in->proxy);
-    int num_req_channels = 2; /* always, for now */
+    int num_req_channels = in->hal_channel_count;
 
     if (num_device_channels != num_req_channels) {
         num_read_buff_bytes = (num_device_channels * num_read_buff_bytes) / num_req_channels;
@@ -834,7 +825,8 @@
         read_buff = in->conversion_buffer;
     }
 
-    if (proxy_read(&in->proxy, read_buff, num_read_buff_bytes) == 0) {
+    ret = proxy_read(&in->proxy, read_buff, num_read_buff_bytes);
+    if (ret == 0) {
         /*
          * Do any conversions necessary to send the data in the format specified to/by the HAL
          * (but different from the ALSA format), such as 24bit ->16bit, or 4chan -> 2chan.
@@ -878,7 +870,7 @@
         if (num_read_buff_bytes > 0 && in->dev->mic_muted)
             memset(buffer, 0, num_read_buff_bytes);
     } else {
-        num_read_buff_bytes = 0;
+        num_read_buff_bytes = 0; // reset the value after USB headset is unplugged
     }
 
 err:
@@ -964,19 +956,18 @@
         ret = -EINVAL;
     }
 
-    if (config->channel_mask == AUDIO_CHANNEL_NONE) {
-        /* just return AUDIO_CHANNEL_IN_STEREO until the framework supports other input
-         * formats */
-        config->channel_mask = AUDIO_CHANNEL_IN_STEREO;
-
-    } else if (config->channel_mask != AUDIO_CHANNEL_IN_STEREO) {
-        /* allow only stereo capture for now */
-        config->channel_mask = AUDIO_CHANNEL_IN_STEREO;
-        ret = -EINVAL;
+    /* Channels */
+    unsigned proposed_channel_count = profile_get_default_channel_count(in->profile);
+    if (k_force_channels) {
+        proposed_channel_count = k_force_channels;
+    } else if (config->channel_mask != AUDIO_CHANNEL_NONE) {
+        proposed_channel_count = audio_channel_count_from_in_mask(config->channel_mask);
     }
-    // proxy_config.channels = 0;  /* don't change */
-    proxy_config.channels = profile_get_default_channel_count(in->profile);
 
+    /* we can expose any channel count mask, and emulate internally. */
+    config->channel_mask = audio_channel_in_mask_from_count(proposed_channel_count);
+    in->hal_channel_count = proposed_channel_count;
+    proxy_config.channels = profile_get_default_channel_count(in->profile);
     proxy_prepare(&in->proxy, in->profile, &proxy_config);
 
     in->standby = true;
diff --git a/tests/camera2/CameraBurstTests.cpp b/tests/camera2/CameraBurstTests.cpp
index 560fca5..198c0c1 100644
--- a/tests/camera2/CameraBurstTests.cpp
+++ b/tests/camera2/CameraBurstTests.cpp
@@ -311,8 +311,7 @@
  *   $ setenv CAMERA2_TEST_VARIABLE_BURST_DUMP_FRAMES 1
  *   $ /data/nativetest/camera2_test/camera2_test --gtest_filter="*VariableBurst"
  */
-// Disable this test for now, as we need cleanup the usage of the deprecated tag quite a bit.
-TEST_F(CameraBurstTest, DISABLED_VariableBurst) {
+TEST_F(CameraBurstTest, VariableBurst) {
 
     TEST_EXTENSION_FORKING_INIT;
 
@@ -413,34 +412,38 @@
     dout << std::endl;
 
     {
-        camera_metadata_ro_entry availableProcessedSizes =
-                GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
+        if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+            camera_metadata_ro_entry availableProcessedSizes =
+                    GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
 
-        camera_metadata_ro_entry availableProcessedMinFrameDurations =
-                GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS);
+            camera_metadata_ro_entry availableProcessedMinFrameDurations =
+                    GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS);
 
-        EXPECT_EQ(availableProcessedSizes.count,
-                availableProcessedMinFrameDurations.count * 2) <<
-                "The number of minimum frame durations doesn't match the number of "
-                "available sizes. Using fallback values";
+            EXPECT_EQ(availableProcessedSizes.count,
+                    availableProcessedMinFrameDurations.count * 2) <<
+                    "The number of minimum frame durations doesn't match the number of "
+                    "available sizes. Using fallback values";
 
-        if (availableProcessedSizes.count ==
-                availableProcessedMinFrameDurations.count * 2) {
-            bool gotSize = false;
-            for (size_t i = 0; i < availableProcessedSizes.count; i += 2) {
-                if (availableProcessedSizes.data.i32[i] == mWidth &&
-                        availableProcessedSizes.data.i32[i+1] == mHeight) {
-                    gotSize = true;
-                    minDuration = availableProcessedMinFrameDurations.data.i64[i/2];
+            if (availableProcessedSizes.count ==
+                    availableProcessedMinFrameDurations.count * 2) {
+                bool gotSize = false;
+                for (size_t i = 0; i < availableProcessedSizes.count; i += 2) {
+                    if (availableProcessedSizes.data.i32[i] == mWidth &&
+                            availableProcessedSizes.data.i32[i+1] == mHeight) {
+                        gotSize = true;
+                        minDuration = availableProcessedMinFrameDurations.data.i64[i/2];
+                    }
                 }
+                EXPECT_TRUE(gotSize) << "Can't find stream size in list of "
+                        "available sizes: " << mWidth << ", " << mHeight;
             }
-            EXPECT_TRUE(gotSize) << "Can't find stream size in list of "
-                    "available sizes: " << mWidth << ", " << mHeight;
+            if (minDuration == 0) {
+                minDuration = 1 * SEC / 30; // Fall back to 30 fps as minimum duration
+            }
+        } else {
+            minDuration = getMinFrameDurationFor(
+                    HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, mWidth, mHeight);
         }
-        if (minDuration == 0) {
-            minDuration = 1 * SEC / 30; // Fall back to 30 fps as minimum duration
-        }
-
         ASSERT_LT(0, minDuration);
 
         camera_metadata_ro_entry maxFrameDuration =
diff --git a/tests/camera2/CameraMetadataTests.cpp b/tests/camera2/CameraMetadataTests.cpp
index eddc593..94fa911 100644
--- a/tests/camera2/CameraMetadataTests.cpp
+++ b/tests/camera2/CameraMetadataTests.cpp
@@ -162,27 +162,34 @@
 TEST_F(CameraMetadataTest, SaneResolutions) {
     TEST_EXTENSION_FORKING_INIT;
 
-    // Iff there are listed raw resolutions, the format should be available
-    int rawResolutionsCount =
-            GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_RAW_SIZES);
-    if (rawResolutionsCount > 0) {
-        EXPECT_TRUE(
-            HasElementInArrayFromStaticTag(ANDROID_SCALER_AVAILABLE_FORMATS,
-                    HAL_PIXEL_FORMAT_RAW_SENSOR));
+    if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+        // Iff there are listed raw resolutions, the format should be available
+        int rawResolutionsCount =
+                GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_RAW_SIZES);
+        if (rawResolutionsCount > 0) {
+            EXPECT_TRUE(
+                HasElementInArrayFromStaticTag(ANDROID_SCALER_AVAILABLE_FORMATS,
+                        HAL_PIXEL_FORMAT_RAW_SENSOR));
+        }
+
+        // Required processed sizes.
+        int processedSizeCount =
+               GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
+        EXPECT_NE(0, processedSizeCount);
+        EXPECT_EQ(0, processedSizeCount % 2); // multiple of 2 (w,h)
+
+        // Required JPEG sizes
+        int jpegSizeCount =
+                GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_JPEG_SIZES);
+        EXPECT_NE(0, jpegSizeCount);
+        EXPECT_EQ(0, jpegSizeCount % 2); // multiple of 2 (w,h)
+    } else {
+        int strmConfigCount =
+                GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
+        EXPECT_NE(0, strmConfigCount);
+        EXPECT_EQ(0, strmConfigCount % 4); // multiple of 4 (format,w,h,output?)
     }
 
-    // Required processed sizes.
-    int processedSizeCount =
-           GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
-    EXPECT_NE(0, processedSizeCount);
-    EXPECT_EQ(0, processedSizeCount % 2); // multiple of 2 (w,h)
-
-    // Required JPEG sizes
-    int jpegSizeCount =
-            GetEntryCountFromStaticTag(ANDROID_SCALER_AVAILABLE_JPEG_SIZES);
-    EXPECT_NE(0, jpegSizeCount);
-    EXPECT_EQ(0, jpegSizeCount % 2); // multiple of 2 (w,h)
-
 }
 
 }
diff --git a/tests/camera2/CameraMultiStreamTests.cpp b/tests/camera2/CameraMultiStreamTests.cpp
index 89af91d..df8e623 100644
--- a/tests/camera2/CameraMultiStreamTests.cpp
+++ b/tests/camera2/CameraMultiStreamTests.cpp
@@ -472,19 +472,42 @@
 
     TEST_EXTENSION_FORKING_INIT;
 
-    camera_metadata_ro_entry availableProcessedSizes =
-        GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
-    ASSERT_EQ(0u, availableProcessedSizes.count % 2);
-    ASSERT_GE(availableProcessedSizes.count, 2u);
-    camera_metadata_ro_entry availableProcessedMinFrameDurations =
-        GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS);
-    EXPECT_EQ(availableProcessedSizes.count,
-        availableProcessedMinFrameDurations.count * 2);
+    const int32_t* implDefData;
+    size_t implDefCount;
+    const int32_t* jpegData;
+    size_t jpegCount;
+    if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+        camera_metadata_ro_entry availableProcessedSizes =
+            GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES);
+        ASSERT_EQ(0u, availableProcessedSizes.count % 2);
+        ASSERT_GE(availableProcessedSizes.count, 2u);
+        camera_metadata_ro_entry availableProcessedMinFrameDurations =
+            GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS);
+        EXPECT_EQ(availableProcessedSizes.count,
+            availableProcessedMinFrameDurations.count * 2);
 
-    camera_metadata_ro_entry availableJpegSizes =
-        GetStaticEntry(ANDROID_SCALER_AVAILABLE_JPEG_SIZES);
-    ASSERT_EQ(0u, availableJpegSizes.count % 2);
-    ASSERT_GE(availableJpegSizes.count, 2u);
+        camera_metadata_ro_entry availableJpegSizes =
+            GetStaticEntry(ANDROID_SCALER_AVAILABLE_JPEG_SIZES);
+        ASSERT_EQ(0u, availableJpegSizes.count % 2);
+        ASSERT_GE(availableJpegSizes.count, 2u);
+        implDefData = availableProcessedSizes.data.i32;
+        implDefCount = availableProcessedSizes.count;
+        jpegData = availableJpegSizes.data.i32;
+        jpegCount = availableJpegSizes.count;
+    } else {
+        const int32_t *implDefResolutions;
+        size_t   implDefResolutionsCount;
+
+        getResolutionList(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED, &implDefData, &implDefCount);
+        ASSERT_NE(0u, implDefCount)
+            << "Missing implementation defined sizes";
+        ASSERT_EQ(0u, implDefCount % 2);
+        ASSERT_GE(implDefCount, 2u);
+
+        getResolutionList(HAL_PIXEL_FORMAT_BLOB, &jpegData, &jpegCount);
+        ASSERT_EQ(0u, jpegCount % 2);
+        ASSERT_GE(jpegCount, 2u);
+    }
 
     camera_metadata_ro_entry hardwareLevel =
         GetStaticEntry(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL);
@@ -504,23 +527,25 @@
     }
 
     // Find the right sizes for preview, metering, and capture streams
-    // assumes at least 2 entries in availableProcessedSizes.
     int64_t minFrameDuration = DEFAULT_FRAME_DURATION;
     Size processedMinSize, processedMaxSize, jpegMaxSize;
-    const int32_t* data = availableProcessedSizes.data.i32;
-    size_t count = availableProcessedSizes.count;
 
     int32_t minIdx, maxIdx;
-    GetMinSize(data, count, &processedMinSize, &minIdx);
-    GetMaxSize(data, count, &processedMaxSize, &maxIdx);
+    GetMinSize(implDefData, implDefCount, &processedMinSize, &minIdx);
+    GetMaxSize(implDefData, implDefCount, &processedMaxSize, &maxIdx);
     ALOGV("Found processed max size: %dx%d, min size = %dx%d",
             processedMaxSize.width, processedMaxSize.height,
             processedMinSize.width, processedMinSize.height);
 
-    if (availableProcessedSizes.count ==
-        availableProcessedMinFrameDurations.count * 2) {
+    if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+        camera_metadata_ro_entry availableProcessedMinFrameDurations =
+            GetStaticEntry(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS);
         minFrameDuration =
             availableProcessedMinFrameDurations.data.i64[maxIdx / 2];
+    } else {
+        minFrameDuration = getMinFrameDurationFor(
+                HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED,
+                processedMaxSize.width, processedMaxSize.height);
     }
 
     EXPECT_GT(minFrameDuration, 0);
@@ -531,9 +556,7 @@
 
     ALOGV("targeted minimal frame duration is: %" PRId64 "ns", minFrameDuration);
 
-    data = &(availableJpegSizes.data.i32[0]);
-    count = availableJpegSizes.count;
-    GetMaxSize(data, count, &jpegMaxSize, &maxIdx);
+    GetMaxSize(jpegData, jpegCount, &jpegMaxSize, &maxIdx);
     ALOGV("Found Jpeg size max idx = %d", maxIdx);
 
     // Max Jpeg size should be available in processed sizes. Use it for
@@ -627,7 +650,7 @@
     // purely by analog gain if possible.
     Vector<int32_t> sensitivities;
     Vector<int64_t> exposures;
-    count = (maxAnalogSensitivity - minSensitivity + 99) / 100;
+    size_t count = (maxAnalogSensitivity - minSensitivity + 99) / 100;
     sensitivities.push_back(minSensitivity);
     for (size_t i = 1; i < count; i++) {
         sensitivities.push_back(minSensitivity + i * 100);
diff --git a/tests/camera2/CameraStreamFixture.h b/tests/camera2/CameraStreamFixture.h
index f56daf0..cc13169 100644
--- a/tests/camera2/CameraStreamFixture.h
+++ b/tests/camera2/CameraStreamFixture.h
@@ -96,7 +96,7 @@
         sp<CameraDeviceBase> device = mDevice;
 
         /* use an arbitrary w,h */
-        {
+        if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
             const int tag = ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES;
 
             const CameraMetadata& staticInfo = device->info();
@@ -106,9 +106,22 @@
 
             ASSERT_LE(2u, entry.count);
             /* this seems like it would always be the smallest w,h
-               but we actually make no contract that it's sorted asc */;
+               but we actually make no contract that it's sorted asc */
             mWidth = entry.data.i32[0];
             mHeight = entry.data.i32[1];
+        } else {
+            buildOutputResolutions();
+            const int32_t *implDefResolutions;
+            size_t   implDefResolutionsCount;
+
+            int format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
+
+            getResolutionList(format,
+                    &implDefResolutions, &implDefResolutionsCount);
+            ASSERT_NE(0u, implDefResolutionsCount)
+                << "Missing implementation defined sizes";
+            mWidth = implDefResolutions[0];
+            mHeight = implDefResolutions[1];
         }
     }
     void TearDown() {
@@ -117,12 +130,82 @@
         // important: shut down HAL before releasing streams
         CameraModuleFixture::TearDown();
 
+        deleteOutputResolutions();
         mNativeWindow.clear();
         mCpuConsumer.clear();
         mFrameListener.clear();
     }
 
 protected:
+
+    int64_t getMinFrameDurationFor(int32_t format, int32_t width, int32_t height) {
+        int64_t minFrameDuration = -1L;
+        const int tag = ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS;
+        sp<CameraDeviceBase> device = mDevice;
+        const CameraMetadata& staticInfo = device->info();
+        camera_metadata_ro_entry_t availableMinDurations = staticInfo.find(tag);
+        for (uint32_t i = 0; i < availableMinDurations.count; i += 4) {
+            if (format == availableMinDurations.data.i64[i] &&
+                    width == availableMinDurations.data.i64[i + 1] &&
+                    height == availableMinDurations.data.i64[i + 2]) {
+                minFrameDuration = availableMinDurations.data.i64[i + 3];
+                break;
+            }
+        }
+        return minFrameDuration;
+    }
+
+    void buildOutputResolutions() {
+        if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+            return;
+        }
+        if (mOutputResolutions.isEmpty()) {
+            const int tag = ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS;
+            const CameraMetadata& staticInfo = mDevice->info();
+            camera_metadata_ro_entry_t availableStrmConfigs = staticInfo.find(tag);
+            ASSERT_EQ(0u, availableStrmConfigs.count % 4);
+            for (uint32_t i = 0; i < availableStrmConfigs.count; i += 4) {
+                int32_t format = availableStrmConfigs.data.i32[i];
+                int32_t width = availableStrmConfigs.data.i32[i + 1];
+                int32_t height = availableStrmConfigs.data.i32[i + 2];
+                int32_t inOrOut = availableStrmConfigs.data.i32[i + 3];
+                if (inOrOut == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT) {
+                    int index = mOutputResolutions.indexOfKey(format);
+                    if (index < 0) {
+                        index = mOutputResolutions.add(format, new Vector<int32_t>());
+                        ASSERT_TRUE(index >= 0);
+                    }
+                    Vector<int32_t> *resolutions = mOutputResolutions.editValueAt(index);
+                    resolutions->add(width);
+                    resolutions->add(height);
+                }
+            }
+        }
+    }
+
+    void getResolutionList(int32_t format,
+            const int32_t **list,
+            size_t *count) {
+        status_t res;
+        ALOGV("Getting resolutions for format %x", format);
+        if (getDeviceVersion() < CAMERA_DEVICE_API_VERSION_3_2) {
+            return;
+        }
+        int index = mOutputResolutions.indexOfKey(format);
+        ASSERT_TRUE(index >= 0);
+        Vector<int32_t>* resolutions = mOutputResolutions.valueAt(index);
+        *list = resolutions->array();
+        *count = resolutions->size();
+    }
+
+    void deleteOutputResolutions() {
+        for (uint32_t i = 0; i < mOutputResolutions.size(); i++) {
+            Vector<int32_t>* resolutions = mOutputResolutions.editValueAt(i);
+            delete resolutions;
+        }
+        mOutputResolutions.clear();
+    }
+
     struct FrameListener : public ConsumerBase::FrameAvailableListener {
 
         FrameListener() {
@@ -130,7 +213,7 @@
         }
 
         // CpuConsumer::FrameAvailableListener implementation
-        virtual void onFrameAvailable() {
+        virtual void onFrameAvailable(const BufferItem& /* item */) {
             ALOGV("Frame now available (start)");
 
             Mutex::Autolock lock(mMutex);
@@ -280,7 +363,7 @@
     android::sp<FrameListener>       mFrameListener;
     android::sp<CpuConsumer>         mCpuConsumer;
     android::sp<ANativeWindow>       mNativeWindow;
-
+    KeyedVector<int32_t, Vector<int32_t>* > mOutputResolutions;
 
 private:
     CameraStreamParams mParam;
diff --git a/tests/camera2/camera2.cpp b/tests/camera2/camera2.cpp
index e3e7d9a..72b7b61 100644
--- a/tests/camera2/camera2.cpp
+++ b/tests/camera2/camera2.cpp
@@ -23,6 +23,7 @@
 #include <fstream>
 
 #include <utils/Vector.h>
+#include <utils/KeyedVector.h>
 #include <gui/CpuConsumer.h>
 #include <ui/PixelFormat.h>
 #include <system/camera_metadata.h>
@@ -202,7 +203,9 @@
         res = sCameraModule->get_camera_info(id, &info);
         ASSERT_EQ(OK, res);
 
+        mDeviceVersion = info.device_version;
         mStaticInfo = info.static_camera_characteristics;
+        buildOutputResolutions();
 
         res = configureCameraDevice(mDevice,
                 mRequests,
@@ -241,44 +244,91 @@
         ASSERT_GT(mStreams.size(), i) << "Stream id not found:" << id;
     }
 
+    void buildOutputResolutions() {
+        status_t res;
+        if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) {
+            return;
+        }
+        if (mOutputResolutions.isEmpty()) {
+            camera_metadata_ro_entry_t availableStrmConfigs;
+            res = find_camera_metadata_ro_entry(mStaticInfo,
+                    ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
+                    &availableStrmConfigs);
+            ASSERT_EQ(OK, res);
+            ASSERT_EQ(0u, availableStrmConfigs.count % 4);
+            for (uint32_t i = 0; i < availableStrmConfigs.count; i += 4) {
+                int32_t format = availableStrmConfigs.data.i32[i];
+                int32_t width = availableStrmConfigs.data.i32[i + 1];
+                int32_t height = availableStrmConfigs.data.i32[i + 2];
+                int32_t inOrOut = availableStrmConfigs.data.i32[i + 3];
+                if (inOrOut == ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT) {
+                    int index = mOutputResolutions.indexOfKey(format);
+                    if (index < 0) {
+                        index = mOutputResolutions.add(format, new Vector<int32_t>());
+                        ASSERT_TRUE(index >= 0);
+                    }
+                    Vector<int32_t> *resolutions = mOutputResolutions.editValueAt(index);
+                    resolutions->add(width);
+                    resolutions->add(height);
+                }
+            }
+        }
+    }
+
+    void deleteOutputResolutions() {
+        for (uint32_t i = 0; i < mOutputResolutions.size(); i++) {
+            Vector<int32_t>* resolutions = mOutputResolutions.editValueAt(i);
+            delete resolutions;
+        }
+        mOutputResolutions.clear();
+    }
+
     void getResolutionList(int32_t format,
             const int32_t **list,
             size_t *count) {
-        ALOGV("Getting resolutions for format %x", format);
         status_t res;
-        if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
-            camera_metadata_ro_entry_t availableFormats;
-            res = find_camera_metadata_ro_entry(mStaticInfo,
-                    ANDROID_SCALER_AVAILABLE_FORMATS,
-                    &availableFormats);
+        ALOGV("Getting resolutions for format %x", format);
+        if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_2) {
+            if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
+                camera_metadata_ro_entry_t availableFormats;
+                res = find_camera_metadata_ro_entry(mStaticInfo,
+                        ANDROID_SCALER_AVAILABLE_FORMATS,
+                        &availableFormats);
+                ASSERT_EQ(OK, res);
+
+                uint32_t formatIdx;
+                for (formatIdx=0; formatIdx < availableFormats.count; formatIdx++) {
+                    if (availableFormats.data.i32[formatIdx] == format) break;
+                }
+                ASSERT_NE(availableFormats.count, formatIdx)
+                    << "No support found for format 0x" << std::hex << format;
+            }
+
+            camera_metadata_ro_entry_t availableSizes;
+            if (format == HAL_PIXEL_FORMAT_RAW_SENSOR) {
+                res = find_camera_metadata_ro_entry(mStaticInfo,
+                        ANDROID_SCALER_AVAILABLE_RAW_SIZES,
+                        &availableSizes);
+            } else if (format == HAL_PIXEL_FORMAT_BLOB) {
+                res = find_camera_metadata_ro_entry(mStaticInfo,
+                        ANDROID_SCALER_AVAILABLE_JPEG_SIZES,
+                        &availableSizes);
+            } else {
+                res = find_camera_metadata_ro_entry(mStaticInfo,
+                        ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES,
+                        &availableSizes);
+            }
             ASSERT_EQ(OK, res);
 
-            uint32_t formatIdx;
-            for (formatIdx=0; formatIdx < availableFormats.count; formatIdx++) {
-                if (availableFormats.data.i32[formatIdx] == format) break;
-            }
-            ASSERT_NE(availableFormats.count, formatIdx)
-                << "No support found for format 0x" << std::hex << format;
-        }
-
-        camera_metadata_ro_entry_t availableSizes;
-        if (format == HAL_PIXEL_FORMAT_RAW_SENSOR) {
-            res = find_camera_metadata_ro_entry(mStaticInfo,
-                    ANDROID_SCALER_AVAILABLE_RAW_SIZES,
-                    &availableSizes);
-        } else if (format == HAL_PIXEL_FORMAT_BLOB) {
-            res = find_camera_metadata_ro_entry(mStaticInfo,
-                    ANDROID_SCALER_AVAILABLE_JPEG_SIZES,
-                    &availableSizes);
+            *list = availableSizes.data.i32;
+            *count = availableSizes.count;
         } else {
-            res = find_camera_metadata_ro_entry(mStaticInfo,
-                    ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES,
-                    &availableSizes);
+            int index = mOutputResolutions.indexOfKey(format);
+            ASSERT_TRUE(index >= 0);
+            Vector<int32_t>* resolutions = mOutputResolutions.valueAt(index);
+            *list = resolutions->array();
+            *count = resolutions->size();
         }
-        ASSERT_EQ(OK, res);
-
-        *list = availableSizes.data.i32;
-        *count = availableSizes.count;
     }
 
     status_t waitUntilDrained() {
@@ -325,11 +375,13 @@
             closeCameraDevice(&mDevice);
         }
 
+        deleteOutputResolutions();
         TearDownModule();
     }
 
     int mId;
     camera2_device    *mDevice;
+    uint32_t mDeviceVersion;
     const camera_metadata_t *mStaticInfo;
 
     MetadataQueue    mRequests;
@@ -337,11 +389,13 @@
     NotifierListener mNotifications;
 
     Vector<StreamAdapter*> mStreams;
+    KeyedVector<int32_t, Vector<int32_t>* > mOutputResolutions;
 
   private:
     static camera_module_t *sCameraModule;
     static int              sNumCameras;
     static bool            *sCameraSupportsHal2;
+
 };
 
 camera_module_t *Camera2Test::sCameraModule = NULL;
diff --git a/tests/camera2/camera2_utils.cpp b/tests/camera2/camera2_utils.cpp
index 3c0767a..9cc6c90 100644
--- a/tests/camera2/camera2_utils.cpp
+++ b/tests/camera2/camera2_utils.cpp
@@ -574,7 +574,7 @@
     return OK;
 }
 
-void FrameWaiter::onFrameAvailable() {
+void FrameWaiter::onFrameAvailable(const BufferItem& /* item */) {
     Mutex::Autolock lock(mMutex);
     mPendingFrames++;
     mCondition.signal();
diff --git a/tests/camera2/camera2_utils.h b/tests/camera2/camera2_utils.h
index 0cdf4a3..c1d1e72 100644
--- a/tests/camera2/camera2_utils.h
+++ b/tests/camera2/camera2_utils.h
@@ -231,7 +231,7 @@
      */
     status_t waitForFrame(nsecs_t timeout);
 
-    virtual void onFrameAvailable();
+    virtual void onFrameAvailable(const BufferItem& item);
 
     int mPendingFrames;
     Mutex mMutex;
diff --git a/tests/camera3/camera3test_fixtures.h b/tests/camera3/camera3test_fixtures.h
index 81d1997..17e3d45 100644
--- a/tests/camera3/camera3test_fixtures.h
+++ b/tests/camera3/camera3test_fixtures.h
@@ -68,7 +68,7 @@
                 << "Can't open camera device";
         ASSERT_TRUE(NULL != device)
                     << "Camera open() returned a NULL device";
-        ASSERT_EQ(kVersion3_0, device->version)
+        ASSERT_LE(kVersion3_0, device->version)
                     << "The device does not support HAL3";
         cam_device_ = reinterpret_cast<camera3_device_t*>(device);
     }