> > Not really useful to me either. The interesting one should have been > > the byte mode, but it shows only zeroes (as the others do). In a > > way, the data cycles over 8-byte boundaries, and the bits I expected > > to be zeroes are, but that's not very helpful since everything is > > zero. However, this is the expected data if the LEDs are all off > > (and the control register is in a particular state). Was it the > > case? If it was, I would like to see the same I2C dump (byte mode) > > with some LEDs arbirary switched on. I'm quite pessimistic however, > > the probability that everything was set to zero is *low* ;) > > Well, the driver blanks all digits, setting the testmode bit in the > control-block (all digits on, ignore data). The i2cdump I've sent to > you was indeed exactly that case. But as I've just checked, output is > exactly the same when the led's are displaying some random digits at a > variable brightness. Was your module loaded at that time. Maybe you need to unload the module in order to have i2cdump working. -- Jean Delvare http://www.ensicaen.ismra.fr/~delvare/
