On Tue, 10 Aug 2021 18:24:12 +0200 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > Sounds good. I'll work something up. (I'm actually thinking that > > class_find_device() may be the best way to go, as it grabs a reference > > to the device.) > > There should not be anything "odd" about block devices here, just do > whatever all other LED drivers do when referencing a device. Ian, look at ledtrig-tty and maybe get inspiration from there :) Marek