On Mon, Jan 08, 2018 at 01:51:23PM -0800, Tony Lindgren wrote: > * Ladislav Michl <ladis@xxxxxxxxxxxxxx> [180108 15:42]: > > Tony, I wanted to do something easy to understand as a base for > > event capture interrupt, but either I do not understand hardware, > > or it indeed cannot do pulse capture. > > Hmm OK. Presumably it works as it's been around for a long time, > I thought any edge trigger will just sample the current counter > value and that's it.. Yes, indeed, _any_ edge will just sample the current counter value. So what can hardware say about duty cycle of this signal? +-+ +-+ __| |________| |___ Depending time capture was started it will either trigger on first falling or first rising edge. ladis -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
