diff --git a/core/java/android/view/InputDevice.java b/core/java/android/view/InputDevice.java
index 9f886c8..d131dc9 100644
--- a/core/java/android/view/InputDevice.java
+++ b/core/java/android/view/InputDevice.java
@@ -69,6 +69,7 @@
     private final String mName;
     private final int mVendorId;
     private final int mProductId;
+    private final int mDeviceBus;
     private final String mDescriptor;
     private final InputDeviceIdentifier mIdentifier;
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
@@ -468,8 +469,8 @@
      * Called by native code
      */
     private InputDevice(int id, int generation, int controllerNumber, String name, int vendorId,
-            int productId, String descriptor, boolean isExternal, int sources, int keyboardType,
-            KeyCharacterMap keyCharacterMap, @Nullable String keyboardLanguageTag,
+            int productId, int deviceBus, String descriptor, boolean isExternal, int sources,
+            int keyboardType, KeyCharacterMap keyCharacterMap, @Nullable String keyboardLanguageTag,
             @Nullable String keyboardLayoutType, boolean hasVibrator, boolean hasMicrophone,
             boolean hasButtonUnderPad, boolean hasSensor, boolean hasBattery, int usiVersionMajor,
             int usiVersionMinor, int associatedDisplayId) {
@@ -479,6 +480,7 @@
         mName = name;
         mVendorId = vendorId;
         mProductId = productId;
+        mDeviceBus = deviceBus;
         mDescriptor = descriptor;
         mIsExternal = isExternal;
         mSources = sources;
@@ -512,6 +514,7 @@
         mName = in.readString();
         mVendorId = in.readInt();
         mProductId = in.readInt();
+        mDeviceBus = in.readInt();
         mDescriptor = in.readString();
         mIsExternal = in.readInt() != 0;
         mSources = in.readInt();
@@ -551,6 +554,7 @@
         private String mName = "";
         private int mVendorId = 0;
         private int mProductId = 0;
+        private int mDeviceBus = 0;
         private String mDescriptor = "";
         private boolean mIsExternal = false;
         private int mSources = 0;
@@ -604,6 +608,12 @@
             return this;
         }
 
+        /** @see InputDevice#getDeviceBus() */
+        public Builder setDeviceBus(int deviceBus) {
+            mDeviceBus = deviceBus;
+            return this;
+        }
+
         /** @see InputDevice#getDescriptor() */
         public Builder setDescriptor(String descriptor) {
             mDescriptor = descriptor;
@@ -705,6 +715,7 @@
                     mName,
                     mVendorId,
                     mProductId,
+                    mDeviceBus,
                     mDescriptor,
                     mIsExternal,
                     mSources,
@@ -847,6 +858,21 @@
     }
 
     /**
+     * Gets the device bus used by given device, if available.
+     * <p>
+     * The device bus is the communication system used for transferring data
+     * (e.g. USB, Bluetooth etc.). This value comes from the kernel (from input.h).
+     * A value of 0 will be assigned where the device bus is not available.
+     * </p>
+     *
+     * @return The device bus of a given device
+     * @hide
+     */
+    public int getDeviceBus() {
+        return mDeviceBus;
+    }
+
+    /**
      * Gets the input device descriptor, which is a stable identifier for an input device.
      * <p>
      * An input device descriptor uniquely identifies an input device.  Its value
@@ -1448,6 +1474,7 @@
         out.writeString(mName);
         out.writeInt(mVendorId);
         out.writeInt(mProductId);
+        out.writeInt(mDeviceBus);
         out.writeString(mDescriptor);
         out.writeInt(mIsExternal ? 1 : 0);
         out.writeInt(mSources);
diff --git a/core/jni/android_view_InputDevice.cpp b/core/jni/android_view_InputDevice.cpp
index 262f5e8..239c626 100644
--- a/core/jni/android_view_InputDevice.cpp
+++ b/core/jni/android_view_InputDevice.cpp
@@ -81,7 +81,8 @@
                                           deviceInfo.getId(), deviceInfo.getGeneration(),
                                           deviceInfo.getControllerNumber(), nameObj.get(),
                                           static_cast<int32_t>(ident.vendor),
-                                          static_cast<int32_t>(ident.product), descriptorObj.get(),
+                                          static_cast<int32_t>(ident.product),
+                                          static_cast<int32_t>(ident.bus), descriptorObj.get(),
                                           deviceInfo.isExternal(), deviceInfo.getSources(),
                                           deviceInfo.getKeyboardType(), kcmObj.get(),
                                           keyboardLanguageTagObj.get(), keyboardLayoutTypeObj.get(),
@@ -111,7 +112,7 @@
     gInputDeviceClassInfo.clazz = MakeGlobalRefOrDie(env, gInputDeviceClassInfo.clazz);
 
     gInputDeviceClassInfo.ctor = GetMethodIDOrDie(env, gInputDeviceClassInfo.clazz, "<init>",
-                                                  "(IIILjava/lang/String;IILjava/lang/"
+                                                  "(IIILjava/lang/String;IIILjava/lang/"
                                                   "String;ZIILandroid/view/KeyCharacterMap;Ljava/"
                                                   "lang/String;Ljava/lang/String;ZZZZZIII)V");
 
diff --git a/tests/Input/src/com/android/test/input/InputDeviceTest.java b/tests/Input/src/com/android/test/input/InputDeviceTest.java
index d075b5f..5434c82 100644
--- a/tests/Input/src/com/android/test/input/InputDeviceTest.java
+++ b/tests/Input/src/com/android/test/input/InputDeviceTest.java
@@ -51,6 +51,7 @@
         assertEquals(device.getName(), outDevice.getName());
         assertEquals(device.getVendorId(), outDevice.getVendorId());
         assertEquals(device.getProductId(), outDevice.getProductId());
+        assertEquals(device.getDeviceBus(), outDevice.getDeviceBus());
         assertEquals(device.getDescriptor(), outDevice.getDescriptor());
         assertEquals(device.isExternal(), outDevice.isExternal());
         assertEquals(device.getSources(), outDevice.getSources());
@@ -79,6 +80,7 @@
                 .setName("Test Device " + DEVICE_ID)
                 .setVendorId(44)
                 .setProductId(45)
+                .setDeviceBus(3)
                 .setDescriptor("descriptor")
                 .setExternal(true)
                 .setSources(InputDevice.SOURCE_HDMI)