diff --git a/ir/1.0/vts/functional/vts/testcases/hal/ir/hidl/target/AndroidTest.xml b/ir/1.0/vts/functional/vts/testcases/hal/ir/hidl/target/AndroidTest.xml
index 3ad7e45..bf3d236 100644
--- a/ir/1.0/vts/functional/vts/testcases/hal/ir/hidl/target/AndroidTest.xml
+++ b/ir/1.0/vts/functional/vts/testcases/hal/ir/hidl/target/AndroidTest.xml
@@ -25,7 +25,7 @@
             _64bit::DATA/nativetest64/ir_hidl_hal_test/ir_hidl_hal_test,
             "/>
         <option name="binary-test-type" value="hal_hidl_gtest" />
-        <option name="hwbinder-service" value="android.hardware.ir" />
+        <option name="precondition-hwbinder-service" value="android.hardware.ir" />
         <option name="test-timeout" value="1m" />
     </test>
 </configuration>
diff --git a/memtrack/1.0/default/Memtrack.cpp b/memtrack/1.0/default/Memtrack.cpp
index fa09c25..cc2d341 100644
--- a/memtrack/1.0/default/Memtrack.cpp
+++ b/memtrack/1.0/default/Memtrack.cpp
@@ -29,7 +29,7 @@
 namespace V1_0 {
 namespace implementation {
 
-Memtrack::Memtrack(memtrack_module_t *module) : mModule(module) {
+Memtrack::Memtrack(const memtrack_module_t *module) : mModule(module) {
     if (mModule)
         mModule->init(mModule);
 }
@@ -74,25 +74,25 @@
 
 
 IMemtrack* HIDL_FETCH_IMemtrack(const char* name) {
-    int ret = 0;
-    const hw_module_t* hw_module = NULL;
-    memtrack_module_t *memtrack_module = NULL;
+    const hw_module_t* hw_module = nullptr;
+    const memtrack_module_t* memtrack_module = nullptr;
+    int err = hw_get_module(name, &hw_module);
+    if (err) {
+        ALOGE ("hw_get_module %s failed: %d", name, err);
+        return nullptr;
+    }
 
-    ret = hw_get_module(name, &hw_module);
-    if (ret == 0 && hw_module->methods->open)
-    {
-        ret = hw_module->methods->open(hw_module, name,
-                reinterpret_cast<hw_device_t**>(&memtrack_module));
-        if (ret == 0)
-                return new Memtrack(memtrack_module);
-        else {
+    if (!hw_module->methods || !hw_module->methods->open) {
+        memtrack_module = reinterpret_cast<const memtrack_module_t*>(hw_module);
+    } else {
+        err = hw_module->methods->open(hw_module, name,
+                reinterpret_cast<hw_device_t**>(const_cast<memtrack_module_t**>(&memtrack_module)));
+        if (err) {
             ALOGE("Passthrough failed to load legacy HAL.");
+            return nullptr;
         }
     }
-    else {
-        ALOGE ("hw_get_module %s failed: %d", name, ret);
-    }
-    return nullptr;
+    return new Memtrack(memtrack_module);
 }
 
 } // namespace implementation
diff --git a/memtrack/1.0/default/Memtrack.h b/memtrack/1.0/default/Memtrack.h
index a3c55e4..0adba76 100644
--- a/memtrack/1.0/default/Memtrack.h
+++ b/memtrack/1.0/default/Memtrack.h
@@ -38,12 +38,12 @@
 using ::android::sp;
 
 struct Memtrack : public IMemtrack {
-    Memtrack(memtrack_module_t* module);
+    Memtrack(const memtrack_module_t* module);
     ~Memtrack();
     Return<void> getMemory(int32_t pid, MemtrackType type, getMemory_cb _hidl_cb)  override;
 
   private:
-    memtrack_module_t* mModule;
+    const memtrack_module_t* mModule;
 };
 
 extern "C" IMemtrack* HIDL_FETCH_IMemtrack(const char* name);
diff --git a/usb/1.0/Android.bp b/usb/1.0/Android.bp
new file mode 100644
index 0000000..8b84a4a
--- /dev/null
+++ b/usb/1.0/Android.bp
@@ -0,0 +1,64 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+genrule {
+    name: "android.hardware.usb@1.0_genc++",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.usb@1.0",
+    srcs: [
+        "types.hal",
+        "IUsb.hal",
+        "IUsbCallback.hal",
+    ],
+    out: [
+        "android/hardware/usb/1.0/types.cpp",
+        "android/hardware/usb/1.0/UsbAll.cpp",
+        "android/hardware/usb/1.0/UsbCallbackAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hardware.usb@1.0_genc++_headers",
+    tools: ["hidl-gen"],
+    cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.usb@1.0",
+    srcs: [
+        "types.hal",
+        "IUsb.hal",
+        "IUsbCallback.hal",
+    ],
+    out: [
+        "android/hardware/usb/1.0/types.h",
+        "android/hardware/usb/1.0/IUsb.h",
+        "android/hardware/usb/1.0/IHwUsb.h",
+        "android/hardware/usb/1.0/BnHwUsb.h",
+        "android/hardware/usb/1.0/BpHwUsb.h",
+        "android/hardware/usb/1.0/BsUsb.h",
+        "android/hardware/usb/1.0/IUsbCallback.h",
+        "android/hardware/usb/1.0/IHwUsbCallback.h",
+        "android/hardware/usb/1.0/BnHwUsbCallback.h",
+        "android/hardware/usb/1.0/BpHwUsbCallback.h",
+        "android/hardware/usb/1.0/BsUsbCallback.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.usb@1.0",
+    generated_sources: ["android.hardware.usb@1.0_genc++"],
+    generated_headers: ["android.hardware.usb@1.0_genc++_headers"],
+    export_generated_headers: ["android.hardware.usb@1.0_genc++_headers"],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "liblog",
+        "libutils",
+        "libcutils",
+        "android.hidl.base@1.0",
+    ],
+    export_shared_lib_headers: [
+        "libhidlbase",
+        "libhidltransport",
+        "libhwbinder",
+        "libutils",
+        "android.hidl.base@1.0",
+    ],
+}
diff --git a/usb/1.0/Android.mk b/usb/1.0/Android.mk
new file mode 100644
index 0000000..0eded5b
--- /dev/null
+++ b/usb/1.0/Android.mk
@@ -0,0 +1,427 @@
+# This file is autogenerated by hidl-gen. Do not edit manually.
+
+LOCAL_PATH := $(call my-dir)
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.usb@1.0-java
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java \
+
+
+#
+# Build types.hal (PortDataRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortDataRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortDataRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortMode)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortMode.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortMode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortPowerRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortPowerRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortPowerRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortRoleType)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortRoleType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortRoleType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortStatus)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Status)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/Status.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.Status
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IUsb.hal
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/IUsb.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsb.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::IUsb
+
+$(GEN): $(LOCAL_PATH)/IUsb.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IUsbCallback.hal
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/IUsbCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::IUsbCallback
+
+$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_JAVA_LIBRARY)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.usb@1.0-java-static
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+
+LOCAL_STATIC_JAVA_LIBRARIES := \
+    android.hidl.base@1.0-java-static \
+
+
+#
+# Build types.hal (PortDataRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortDataRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortDataRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortMode)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortMode.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortMode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortPowerRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortPowerRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortPowerRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortRole)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortRole.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortRole
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortRoleType)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortRoleType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortRoleType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (PortStatus)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/PortStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.PortStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Status)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/Status.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::types.Status
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IUsb.hal
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/IUsb.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsb.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::IUsb
+
+$(GEN): $(LOCAL_PATH)/IUsb.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build IUsbCallback.hal
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/IUsbCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IUsbCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0::IUsbCallback
+
+$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+
+################################################################################
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.usb@1.0-java-constants
+LOCAL_MODULE_CLASS := JAVA_LIBRARIES
+
+intermediates := $(local-generated-sources-dir)
+
+HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
+#
+GEN := $(intermediates)/android/hardware/usb/V1_0/Constants.java
+$(GEN): $(HIDL)
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/IUsb.hal
+$(GEN): $(LOCAL_PATH)/IUsbCallback.hal
+
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava-constants \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.usb@1.0
+
+$(GEN):
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+# Avoid dependency cycle of framework.jar -> this-library -> framework.jar
+LOCAL_NO_STANDARD_LIBRARIES := true
+LOCAL_JAVA_LIBRARIES := core-oj
+
+include $(BUILD_STATIC_JAVA_LIBRARY)
+
+
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/usb/1.0/IUsb.hal b/usb/1.0/IUsb.hal
new file mode 100644
index 0000000..965326a
--- /dev/null
+++ b/usb/1.0/IUsb.hal
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.usb@1.0;
+
+import IUsbCallback;
+
+interface IUsb {
+    /*
+     * This function is used to change the port role of a specific port.
+     * For example, when PD_SWAP or PR_SWAP is supported.
+     * This is function is asynchronous. The status of the role switch
+     * will be informed through IUsbCallback object's notifyPortStatusChange
+     * method.
+     *
+     * @param portName name of the port for which the role has to be changed
+     * @param role the new port role.
+     */
+    oneway switchRole(string portName, PortRole role);
+
+    /*
+     * This function is used to register a callback function which is
+     * called by the HAL whenever there is a change in the port state.
+     * i.e. DATA_ROLE, POWER_ROLE or MODE.
+     *
+     * Also the same callback object would be called to inform the caller
+     * of the roleSwitch status.
+     *
+     * @param callback IUsbCallback object used to convey status to the
+     * userspace.
+     */
+    oneway setCallback(IUsbCallback callback);
+
+    /*
+     * This functions is used to request the hal for the current status
+     * status of the Type-C ports. This method is async/oneway. The result of the
+     * query would be sent through the IUsbCallback object's notifyRoleSwitchStatus
+     * to the caller. This api would would let the caller know of the number
+     * of type-c ports that are present and their connection status through the
+     * PortStatus type.
+     */
+    oneway queryPortStatus();
+};
+
diff --git a/usb/1.0/IUsbCallback.hal b/usb/1.0/IUsbCallback.hal
new file mode 100644
index 0000000..b665ba3
--- /dev/null
+++ b/usb/1.0/IUsbCallback.hal
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.usb@1.0;
+
+/*
+ * Callback object used for all the IUsb async methods which expects a result.
+ * Caller is expected to register the callback object using setCallback method
+ * to receive updates on the PortStatus.
+ */
+interface IUsbCallback {
+    /*
+     * Used to convey the current port status to the caller.
+     * Called either when PortState changes due to the port partner (or)
+     * when caller requested for the PortStatus update through queryPortStatus.
+     *
+     * @param currentPortStatus vector object of current status of all the
+     * typeC ports in the device.
+     * @param retval SUCCESS when query was done successfully.
+     * ERROR otherwise.
+     */
+    oneway notifyPortStatusChange(vec<PortStatus> currentPortStatus, Status retval);
+
+    /*
+     * Used to notify the result of the switchRole call to the caller.
+     *
+     * @param portName name of the port for which the roleswap is requested.
+     * @param newRole the new role requested by the caller.
+     * @param retval SUCCESS if the role switch succeeded. FAILURE otherwise.
+     */
+    oneway notifyRoleSwitchStatus(string portName, PortRole newRole, Status retval);
+};
diff --git a/usb/1.0/default/Android.mk b/usb/1.0/default/Android.mk
new file mode 100644
index 0000000..09d7ce7
--- /dev/null
+++ b/usb/1.0/default/Android.mk
@@ -0,0 +1,21 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_MODULE := android.hardware.usb@1.0-service
+LOCAL_INIT_RC := android.hardware.usb@1.0-service.rc
+LOCAL_SRC_FILES := \
+    service.cpp \
+    Usb.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libhidlbase \
+    libhidltransport \
+    liblog \
+    libhwbinder \
+    libutils \
+    libhardware \
+    android.hardware.usb@1.0 \
+
+include $(BUILD_EXECUTABLE)
diff --git a/usb/1.0/default/Usb.cpp b/usb/1.0/default/Usb.cpp
new file mode 100644
index 0000000..f46ff66
--- /dev/null
+++ b/usb/1.0/default/Usb.cpp
@@ -0,0 +1,428 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <dirent.h>
+#include <iostream>
+#include <fstream>
+#include <pthread.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <cutils/uevent.h>
+#include <sys/epoll.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+#include "Usb.h"
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace V1_0 {
+namespace implementation {
+
+int32_t readFile(std::string filename, std::string& contents) {
+    std::ifstream file(filename);
+
+    if (file.is_open()) {
+        getline(file, contents);
+        file.close();
+        return 0;
+    }
+    return -1;
+}
+
+std::string appendRoleNodeHelper(const std::string portName, PortRoleType type) {
+    std::string node("/sys/class/dual_role_usb/" + portName);
+
+    switch(type) {
+        case PortRoleType::DATA_ROLE:
+            return node + "/data_role";
+        case PortRoleType::POWER_ROLE:
+            return node + "/power_role";
+        default:
+            return node + "/mode";
+    }
+}
+
+std::string convertRoletoString(PortRole role) {
+    if (role.type == PortRoleType::POWER_ROLE) {
+        if (role.role == static_cast<uint32_t> (PortPowerRole::SOURCE))
+            return "source";
+        else if (role.role ==  static_cast<uint32_t> (PortPowerRole::SINK))
+            return "sink";
+    } else if (role.type == PortRoleType::DATA_ROLE) {
+        if (role.role == static_cast<uint32_t> (PortDataRole::HOST))
+            return "host";
+        if (role.role == static_cast<uint32_t> (PortDataRole::DEVICE))
+            return "device";
+    } else if (role.type == PortRoleType::MODE) {
+        if (role.role == static_cast<uint32_t> (PortMode::UFP))
+            return "ufp";
+        if (role.role == static_cast<uint32_t> (PortMode::DFP))
+            return "dfp";
+    }
+    return "none";
+}
+
+Return<void> Usb::switchRole(const hidl_string& portName,
+        const PortRole& newRole) {
+    std::string filename = appendRoleNodeHelper(std::string(portName.c_str()),
+        newRole.type);
+    std::ofstream file(filename);
+    std::string written;
+
+    ALOGI("filename write: %s role:%d", filename.c_str(), newRole.role);
+
+    if (file.is_open()) {
+        file << convertRoletoString(newRole).c_str();
+        file.close();
+        if (!readFile(filename, written)) {
+            ALOGI("written: %s", written.c_str());
+            if (written == convertRoletoString(newRole)) {
+                ALOGI("Role switch successfull");
+                Return<void> ret =
+                    mCallback->notifyRoleSwitchStatus(portName, newRole,
+                    Status::SUCCESS);
+                if (!ret.isOk())
+                    ALOGE("RoleSwitchStatus error %s",
+                        ret.description().c_str());
+            }
+        }
+    }
+
+    Return<void> ret = mCallback->notifyRoleSwitchStatus(portName, newRole, Status::ERROR);
+    if (!ret.isOk())
+        ALOGE("RoleSwitchStatus error %s", ret.description().c_str());
+
+    return Void();
+}
+
+Status getCurrentRoleHelper(std::string portName,
+        PortRoleType type, uint32_t &currentRole)  {
+    std::string filename;
+    std::string roleName;
+
+    if (type == PortRoleType::POWER_ROLE) {
+        filename = "/sys/class/dual_role_usb/" +
+            portName + "/power_role";
+        currentRole = static_cast<uint32_t>(PortPowerRole::NONE);
+    } else if (type == PortRoleType::DATA_ROLE) {
+        filename = "/sys/class/dual_role_usb/" +
+            portName + "/data_role";
+        currentRole = static_cast<uint32_t> (PortDataRole::NONE);
+    } else if (type == PortRoleType::MODE) {
+        filename = "/sys/class/dual_role_usb/" +
+            portName + "/mode";
+        currentRole = static_cast<uint32_t> (PortMode::NONE);
+    }
+
+    if (readFile(filename, roleName)) {
+        ALOGE("getCurrentRole: Failed to open filesystem node");
+        return Status::ERROR;
+    }
+
+    if (roleName == "dfp")
+        currentRole = static_cast<uint32_t> (PortMode::DFP);
+    else if (roleName == "ufp")
+        currentRole = static_cast<uint32_t> (PortMode::UFP);
+    else if (roleName == "source")
+        currentRole = static_cast<uint32_t> (PortPowerRole::SOURCE);
+    else if (roleName == "sink")
+        currentRole = static_cast<uint32_t> (PortPowerRole::SINK);
+    else if (roleName == "host")
+        currentRole = static_cast<uint32_t> (PortDataRole::HOST);
+    else if (roleName == "device")
+        currentRole = static_cast<uint32_t> (PortDataRole::DEVICE);
+    else if (roleName != "none") {
+         /* case for none has already been addressed.
+          * so we check if the role isnt none.
+          */
+        return Status::UNRECOGNIZED_ROLE;
+    }
+    return Status::SUCCESS;
+}
+
+Status getTypeCPortNamesHelper(std::vector<std::string>& names) {
+    DIR *dp;
+
+    dp = opendir("/sys/class/dual_role_usb");
+    if (dp != NULL)
+    {
+rescan:
+        int32_t ports = 0;
+        int32_t current = 0;
+        struct dirent *ep;
+
+        while ((ep = readdir (dp))) {
+            if (ep->d_type == DT_LNK) {
+                ports++;
+            }
+        }
+        names.resize(ports);
+        rewinddir(dp);
+
+        while ((ep = readdir (dp))) {
+            /* Check to see if new ports were added since the first pass. */
+            if (current >= ports) {
+               rewinddir(dp);
+               goto rescan;
+            }
+
+            if (ep->d_type == DT_LNK) {
+                names[current++] = ep->d_name;
+            }
+        }
+
+        closedir (dp);
+        return Status::SUCCESS;
+    }
+
+    ALOGE("Failed to open /sys/class/dual_role_usb");
+    return Status::ERROR;
+}
+
+bool canSwitchRoleHelper(const std::string portName, PortRoleType type)  {
+    std::string filename = appendRoleNodeHelper(portName, type);
+    std::ofstream file(filename);
+
+    if (file.is_open()) {
+        file.close();
+        return true;
+    }
+    return false;
+}
+
+Status getPortModeHelper(const std::string portName, PortMode& portMode)  {
+    std::string filename = "/sys/class/dual_role_usb/" +
+    std::string(portName.c_str()) + "/supported_modes";
+    std::string modes;
+
+    if (readFile(filename, modes)) {
+        ALOGE("getSupportedRoles: Failed to open filesystem node");
+        return Status::ERROR;
+    }
+
+    if (modes == "ufp dfp")
+        portMode = PortMode::DRP;
+    else  if (modes == "ufp")
+        portMode = PortMode::UFP;
+    else if  (modes == "dfp")
+        portMode = PortMode::DFP;
+    else
+        return Status::UNRECOGNIZED_ROLE;
+
+        return Status::SUCCESS;
+}
+
+Status getPortStatusHelper (hidl_vec<PortStatus>& currentPortStatus) {
+    std::vector<std::string> names;
+    Status result = getTypeCPortNamesHelper(names);
+
+    if (result == Status::SUCCESS) {
+        currentPortStatus.resize(names.size());
+        for(std::vector<std::string>::size_type i = 0; i != names.size(); i++) {
+            ALOGI("%s", names[i].c_str());
+            currentPortStatus[i].portName = names[i];
+
+            uint32_t currentRole;
+            if (getCurrentRoleHelper(names[i], PortRoleType::POWER_ROLE,
+                    currentRole) == Status::SUCCESS) {
+                currentPortStatus[i].currentPowerRole =
+                static_cast<PortPowerRole> (currentRole);
+            } else {
+                ALOGE("Error while retreiving portNames");
+                goto done;
+            }
+
+            if (getCurrentRoleHelper(names[i],
+                    PortRoleType::DATA_ROLE, currentRole) == Status::SUCCESS) {
+                currentPortStatus[i].currentDataRole =
+                        static_cast<PortDataRole> (currentRole);
+            } else {
+                ALOGE("Error while retreiving current port role");
+                goto done;
+            }
+
+            if (getCurrentRoleHelper(names[i], PortRoleType::MODE,
+                    currentRole) == Status::SUCCESS) {
+                currentPortStatus[i].currentMode =
+                    static_cast<PortMode> (currentRole);
+            } else {
+                ALOGE("Error while retreiving current data role");
+                goto done;
+            }
+
+            currentPortStatus[i].canChangeMode =
+                canSwitchRoleHelper(names[i], PortRoleType::MODE);
+            currentPortStatus[i].canChangeDataRole =
+                canSwitchRoleHelper(names[i], PortRoleType::DATA_ROLE);
+            currentPortStatus[i].canChangePowerRole =
+                canSwitchRoleHelper(names[i], PortRoleType::POWER_ROLE);
+
+            ALOGI("canChangeMode: %d canChagedata: %d canChangePower:%d",
+                currentPortStatus[i].canChangeMode,
+                currentPortStatus[i].canChangeDataRole,
+                currentPortStatus[i].canChangePowerRole);
+
+            if (getPortModeHelper(names[i], currentPortStatus[i].supportedModes)
+                  != Status::SUCCESS) {
+                ALOGE("Error while retrieving port modes");
+                goto done;
+            }
+        }
+        return Status::SUCCESS;
+    }
+done:
+    return Status::ERROR;
+}
+
+Return<void> Usb::queryPortStatus() {
+    hidl_vec<PortStatus> currentPortStatus;
+    Status status;
+
+    status = getPortStatusHelper(currentPortStatus);
+    Return<void> ret = mCallback->notifyPortStatusChange(currentPortStatus,
+       status);
+    if (!ret.isOk())
+        ALOGE("queryPortStatus error %s", ret.description().c_str());
+
+    return Void();
+}
+struct data {
+    int uevent_fd;
+    android::hardware::usb::V1_0::implementation::Usb *usb;
+};
+
+static void uevent_event(uint32_t /*epevents*/, struct data *payload) {
+    char msg[UEVENT_MSG_LEN + 2];
+    char *cp;
+    int n;
+
+    n = uevent_kernel_multicast_recv(payload->uevent_fd, msg, UEVENT_MSG_LEN);
+    if (n <= 0)
+        return;
+    if (n >= UEVENT_MSG_LEN)   /* overflow -- discard */
+        return;
+
+    msg[n] = '\0';
+    msg[n + 1] = '\0';
+    cp = msg;
+
+    while (*cp) {
+        if (!strcmp(cp, "SUBSYSTEM=dual_role_usb")) {
+            ALOGE("uevent received %s", cp);
+            if (payload->usb->mCallback != NULL) {
+                hidl_vec<PortStatus> currentPortStatus;
+                Status status = getPortStatusHelper(currentPortStatus);
+                Return<void> ret =
+                    payload->usb->mCallback->notifyPortStatusChange(currentPortStatus, status);
+                if (!ret.isOk())
+                    ALOGE("error %s", ret.description().c_str());
+            }
+            break;
+        }
+        /* advance to after the next \0 */
+        while (*cp++);
+    }
+}
+
+void* work(void* param) {
+    int epoll_fd, uevent_fd;
+    struct epoll_event ev;
+    int nevents = 0;
+    struct data payload;
+
+    ALOGE("creating thread");
+
+    uevent_fd = uevent_open_socket(64*1024, true);
+
+    if (uevent_fd < 0) {
+        ALOGE("uevent_init: uevent_open_socket failed\n");
+        return NULL;
+    }
+
+    payload.uevent_fd = uevent_fd;
+    payload.usb = (android::hardware::usb::V1_0::implementation::Usb *)param;
+
+    fcntl(uevent_fd, F_SETFL, O_NONBLOCK);
+
+    ev.events = EPOLLIN;
+    ev.data.ptr = (void *)uevent_event;
+
+    epoll_fd = epoll_create(64);
+    if (epoll_fd == -1) {
+        ALOGE("epoll_create failed; errno=%d", errno);
+        goto error;
+    }
+
+    if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, uevent_fd, &ev) == -1) {
+        ALOGE("epoll_ctl failed; errno=%d", errno);
+        goto error;
+    }
+
+    while (1) {
+        struct epoll_event events[64];
+
+        nevents = epoll_wait(epoll_fd, events, 64, -1);
+        if (nevents == -1) {
+            if (errno == EINTR)
+                continue;
+            ALOGE("usb epoll_wait failed; errno=%d", errno);
+            break;
+        }
+
+        for (int n = 0; n < nevents; ++n) {
+            if (events[n].data.ptr)
+                (*(void (*)(int, struct data *payload))events[n].data.ptr)
+                    (events[n].events, &payload);
+        }
+    }
+
+error:
+    close(uevent_fd);
+
+    if (epoll_fd >= 0)
+        close(epoll_fd);
+
+    return NULL;
+}
+
+
+Return<void> Usb::setCallback(const sp<IUsbCallback>& callback) {
+
+    if (mCallback != NULL) {
+        ALOGE("Callback already registered");
+        return Void();
+    }
+
+    mCallback = callback;
+    ALOGI("registering callback");
+
+    if (pthread_create(&mPoll, NULL, work, this)) {
+        ALOGE("pthread creation failed %d", errno);
+        mCallback = NULL;
+        return Void();
+    }
+
+    return Void();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace usb
+}  // namespace hardware
+}  // namespace android
diff --git a/usb/1.0/default/Usb.h b/usb/1.0/default/Usb.h
new file mode 100644
index 0000000..cf418f4
--- /dev/null
+++ b/usb/1.0/default/Usb.h
@@ -0,0 +1,50 @@
+#ifndef ANDROID_HARDWARE_USB_V1_0_USB_H
+#define ANDROID_HARDWARE_USB_V1_0_USB_H
+
+#include <android/hardware/usb/1.0/IUsb.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <utils/Log.h>
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+
+#define LOG_TAG "android.hardware.usb@1.0-service"
+#define UEVENT_MSG_LEN 2048
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::usb::V1_0::IUsb;
+using ::android::hardware::usb::V1_0::IUsbCallback;
+using ::android::hardware::usb::V1_0::PortRole;
+using ::android::hidl::base::V1_0::IBase;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+struct Usb : public IUsb {
+    Return<void> switchRole(const hidl_string& portName, const PortRole& role) override;
+    Return<void> setCallback(const sp<IUsbCallback>& callback) override;
+    Return<void> queryPortStatus() override;
+
+    sp<IUsbCallback> mCallback;
+    private:
+        pthread_t mPoll;
+};
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace usb
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_USB_V1_0_USB_H
diff --git a/usb/1.0/default/android.hardware.usb@1.0-service.rc b/usb/1.0/default/android.hardware.usb@1.0-service.rc
new file mode 100644
index 0000000..77dfc93
--- /dev/null
+++ b/usb/1.0/default/android.hardware.usb@1.0-service.rc
@@ -0,0 +1,4 @@
+service usb-hal-1-0 /system/bin/hw/android.hardware.usb@1.0-service
+    class hal
+    user system
+    group system
diff --git a/usb/1.0/default/service.cpp b/usb/1.0/default/service.cpp
new file mode 100644
index 0000000..b4db241
--- /dev/null
+++ b/usb/1.0/default/service.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <hidl/HidlTransportSupport.h>
+#include "Usb.h"
+
+using android::sp;
+
+// libhwbinder:
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+
+// Generated HIDL files
+using android::hardware::usb::V1_0::IUsb;
+using android::hardware::usb::V1_0::implementation::Usb;
+
+int main() {
+    const char instance[] = "usb_hal";
+
+    android::sp<IUsb> service = new Usb();
+
+    configureRpcThreadpool(1, true /*callerWillJoin*/);
+    service->registerAsService(instance);
+
+    ALOGI("USB HAL Ready.");
+    joinRpcThreadpool();
+}
diff --git a/usb/1.0/types.hal b/usb/1.0/types.hal
new file mode 100644
index 0000000..17cd8c7
--- /dev/null
+++ b/usb/1.0/types.hal
@@ -0,0 +1,214 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.usb@1.0;
+
+
+enum Status : uint32_t {
+    SUCCESS = 0,
+
+    /*
+     * error value when the HAL operation fails for reasons not listed here.
+     */
+    ERROR = 1,
+
+    /*
+     * error value returned when input argument is invalid.
+     */
+    INVALID_ARGUMENT = 2,
+
+    /*
+     * error value returned when role string is unrecognized.
+     */
+    UNRECOGNIZED_ROLE = 3,
+};
+
+/*
+ * Denotes the Port role type.
+ * Passed as an argument for functions used to query or change port roles.
+ */
+enum PortRoleType : uint32_t {
+    /*
+     * Denotes the data role of the port.
+     * The port can either be a "host" or a "device" for data.
+     * This maps to the PortDataRole enum.
+     */
+    DATA_ROLE = 0,
+
+    /*
+     * Denotes the power role of the port.
+     * The port can either be a "source" or "sink" for power.
+     * This maps to PortPowerRole enum.
+     */
+    POWER_ROLE = 1,
+
+    /*
+     * USB ports can be a pure DFP port which can only act
+     * as a host. A UFP port which can only act as a device.
+     * Or a dual role ports which can either can as a host or
+     * a device. This property is used to mention them.
+     */
+    MODE = 2,
+};
+
+@export
+enum PortDataRole : uint32_t {
+    /*
+     * Indicates that the port does not have a data role.
+     * In case of DRP, the current data role of the port is only resolved
+     * when the type-c handshake happens.
+     */
+    NONE = 0,
+
+    /*
+     * Indicates that the port is acting as a host for data.
+     */
+    HOST = 1,
+
+    /*
+     * Indicated that the port is acting as a device for data.
+     */
+    DEVICE = 2,
+
+    NUM_DATA_ROLES = 3,
+};
+
+@export
+enum PortPowerRole : uint32_t {
+    /*
+     * Indicates that the port does not have a power role.
+     * In case of DRP, the current power role of the port is only resolved
+     * when the type-c handshake happens.
+     */
+    NONE = 0,
+
+    /*
+     * Indicates that the port is supplying power to the other port.
+     */
+    SOURCE = 1,
+
+    /*
+     * Indicates that the port is sinking power from the other port.
+     */
+    SINK = 2,
+
+    NUM_POWER_ROLES = 3,
+};
+
+@export
+enum PortMode : uint32_t {
+    /*
+     * Indicates that the port does not have a mode.
+     * In case of DRP, the current mode of the port is only resolved
+     * when the type-c handshake happens.
+     */
+    NONE = 0,
+    /*
+     * Indicates that port can only act as device for data and sink for power.
+     */
+    UFP = 1,
+
+    /*
+     * Indicates the port can only act as host for data and source for power.
+     */
+    DFP = 2,
+
+    /*
+     * Indicates can either act as UFP or DFP at a given point of time.
+     */
+    DRP = 3,
+
+    NUM_MODES = 4,
+};
+
+/*
+ * Used as a container to send port role information.
+ */
+struct PortRole {
+    /*
+     * Indicates the type of Port Role.
+     * Maps to the PortRoleType enum.
+     */
+    PortRoleType type;
+
+    /*
+     * when type is HAL_USB_DATA_ROLE pass values from enum PortDataRole.
+     * when type is HAL_USB_POWER_ROLE pass values from enum PortPowerRole.
+     * when type is HAL_USB_MODE pass values from enum PortMode.
+     */
+    uint32_t role;
+};
+
+/*
+ * Used as the container to report data back to the caller.
+ * Represents the current connection status of a single USB port.
+ */
+struct PortStatus {
+     /*
+      * Name of the port.
+      * Used as the port's id by the caller.
+      */
+     string portName;
+
+     /*
+      * Data role of the port.
+      */
+     PortDataRole currentDataRole;
+
+     /*
+      * Power Role of thte port.
+      */
+     PortPowerRole currentPowerRole;
+
+     /*
+      * Mode in which the port is connected.
+      * Can be UFP or DFP.
+      */
+     PortMode currentMode;
+
+     /*
+      * True indicates that the port's mode can
+      * be changed. False otherwise.
+      */
+     bool canChangeMode;
+
+     /*
+      * True indicates that the port's data role
+      * can be changed. False otherwise.
+      * For example, true if Type-C PD PD_SWAP
+      * is supported.
+      */
+     bool canChangeDataRole;
+
+     /*
+      * True indicates that the port's power role
+      * can be changed. False otherwise.
+      * For example, true if Type-C PD PR_SWAP
+      * is supported.
+      */
+     bool canChangePowerRole;
+
+     /*
+      * Identifies the type of the local port.
+      *
+      * UFP - Indicates that port can only act as device for
+      *       data and sink for power.
+      * DFP - Indicates the port can only act as host for data
+      *       and source for power.
+      * DRP - Indicates can either act as UFP or DFP at a
+      *       given point of time.
+      */
+      PortMode supportedModes;
+};
diff --git a/usb/Android.bp b/usb/Android.bp
new file mode 100644
index 0000000..bbb3e4b
--- /dev/null
+++ b/usb/Android.bp
@@ -0,0 +1,4 @@
+// This is an autogenerated file, do not edit.
+subdirs = [
+    "1.0",
+]