1. A method comprising: detecting, by a bus driver within a local operating system, a digitizer on a host computing system; sending a bus signature that makes the local operating system aware of the digitizer detected on the host computing system, the bus signature being sent from the bus driver within the local operating system; the sending causing the local operating system to obtain a device driver for the local operating system from a third party update service, the device driver configured to control touch data captured by the digitizer for the local operating system; receiving a data packet comprising touch data from the digitizer; and injecting, with the obtained device driver, the received data packet into an input stack of the local operating system.