Hello Marcel, On Thu, Jun 8, 2017 at 7:04 AM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote: > yes, there are plenty of commands needed before a controller becomes usable. That doesn't clearly address with precision what Ted was wondering. Specifically, the inquiry is: can you confirm with certainty whether or not all calls to get_random_bytes() in the bluetooth directory are *necessarily* going to come after a call to hci_power_on()? Jason