b/12068020 add nonce to InputDeviceDescriptor
Adds a nonce field to allow generation of unique descriptors for
input devices.
Change-Id: I978b6c5e9edc9e0a6aa60f85cd8d4efc42ac2999
diff --git a/include/input/InputDevice.h b/include/input/InputDevice.h
index 1419b45..adf9fb9 100644
--- a/include/input/InputDevice.h
+++ b/include/input/InputDevice.h
@@ -46,6 +46,11 @@
// Ideally, the way this value is computed should not change between Android releases
// because that would invalidate persistent settings that rely on it.
String8 descriptor;
+
+ // A value added to uniquely identify a device in the absence of a unique id. This
+ // is intended to be a minimum way to distinguish from other active devices and may
+ // reuse values that are not associated with an input anymore.
+ uint16_t nonce;
};
/*