On Fri, Jan 15, 2021 at 7:24 PM Ray Jui <ray.jui@xxxxxxxxxxxx> wrote: > > - if ((pull_up == false) && (pull_down == false)) > > + if (!pull_up && !pull_down) > > Looks fine as improvement, but I'm curious why there's a warning to > start with. There is no semantic difference. This is a purely syntactic warning. Yours, Linus Walleij