Hi Claudio, > is there any point of start to know what exactly happens when i plug a > BT dongle in my usb port? I mean what code is sent to BT through USB? this is kinda generic broad questions that can't be answered here quickly by anybody. It would take some time to write this up. Why are you asking? Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html