On Mon, May 10, 2010 at 10:54:23PM +0300, Niko Rosvall wrote: > On Mon, 2010-05-10 at 18:55 +0200, Christoph Fritz wrote: > > On Mon, 2010-05-10 at 19:01 +0300, Niko Rosvall wrote: > > > Hi All, > > > > > > I'm new to Linux kernel and actually subscribed to this list today. > > > So, i'm not even sure is this the right place to ask this, but: > > > > > > I want to make a kernel module which detects a keypress and then > > > disables it. E.g someone presses F1 and my module would just "eat" it. > > > > Interesting usecase, is it for a kiosk? And why don't you disable the > > keys in X or your application? > > > > > Any examples and/or hints where to start? Some nice, small peace of code > > > would be very very nice. > > > > You could hack input_event() in drivers/input/input.c > > > > Thanks, > > Christoph > > No, not for a kiosk or anything. Basically I'm just having fun here and > trying to do a module which would disable caps lock key completely. > > Of course I can do that using xmodmap, but where's the fun then? ;) > > I did modify input.c (didn't test it yet thought), but what I really > want is just a simple module so I can load and unload it when I want. > You need to define "filter" input handler - one that implements filter() instead of event(). This requires recent kernel though. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html