Ticket #3356: hda_snippet

//code snippet from file hda_controller.cpp, routine routine hda_interrupt_handler()

...
        /* Check for sending errors */
        if (corbStatus) {
            controller->Write8(HDAC_CORB_STATUS, corbStatus);

            if ((corbStatus & CORB_STATUS_MEMORY_ERROR) != 0)
                dprintf("hda: CORB Memory Error!\n");
        }
    }

    if ((intrStatus & INTR_STATUS_STREAM_MASK) != 0) {

        for (uint32 index = 0; index < HDA_MAX_STREAMS; index++) {
            if ((intrStatus & (1 << index)) != 0) {

if(intrStatus & 0x01)//this if statement added by rudolf
{
new_time = system_time();
dprintf("H5: %d\n", new_time - old_time);
old_time = new_time;

}



                if (controller->streams[index]) {
                    stream_handle_interrupt(controller,
                        controller->streams[index]);
                } else {
                    dprintf("hda: Stream interrupt for unconfigured stream "
                        "%ld!\n", index);
                }
            }
        }
    }

    /* NOTE: See HDA001 => CIS/GIS cannot be cleared! */

    return handled;
}