Hello Alan, On Sun, May 20, 2018 at 08:24:51PM +0100, Alan Cox wrote: > > that is something I wouldn't care about. I think nobody will want to > > determine the transfer rate from the emitted light. > > More of a problem is that if you know the baud rate and have a camera you > can measure the number of bytes transmitted ? Do you really think this is a problem? Apart from not being reliable, if you have concerns don't configure the tty trigger, make sure your ethernet leds are off and nobody connects to the tty to read the original data. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
