On Sat 2018-12-15 11:12:21, Vojtech Pavlik wrote:
> On Sat, Dec 15, 2018 at 10:47:22AM +0100, Pavel Machek wrote:
> 
> > > > b) would it be acceptable if done properly? (cmd line option to
> > > > enable, avoiding duplicate/wrong events?)
> > > 
> > > Well, for one, you shouldn't be using a timer, all the debouncing can be
> > > done by math on the event timestamps.
> > 
> > Not... really, right? You need to send an release some time after
> > button indicates release if bounce did not happen. It is similar to
> > autorepeat needing a timer.
> 
> You can send the first release and ignore all presses and releases in a
> time window after that.

I could, and it would work for glitches on release, but that would do
very bad things if switch glitched on press, right?

"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XX           " ->
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX              " ... ok

"XX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX..." ->
"XX                                  ..." ... bad idea. [Maybe could be
detected with "XX " being unusually short?]

But I believe I see 

"XXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXX" on X220 device, too.

                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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