On Wed, May 07, 2008 at 08:21:27PM +0400, Dmitry wrote: > Hi, Dmitry, > > 2008/5/6, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>: > > Hi Dmitry, > > > > > > On Fri, May 02, 2008 at 03:20:48PM +0400, Dmitry Baryshkov wrote: > > > Sometimes gpio line can generate jitter while transitioning from one state > > > to another one. Implement a way to filter such noise during transitions. > > > > > > > > > I don't think we need to do both count and interval and you don't > > really need to track state... What do you think about the patch below? > > I would say it's pretty different from what I meant. You patch only > delays the decision about the status of the pin while mine does really > "average" the status > of the pin. E.g. in my tosa PDA the headphones jack is a bit noisy. So > the input layer shouldn't react to the noise. The userspace will not see the new event until gpio stabilizes, that's all that is needed. > And with your patch each > time the GPIO irq is generated the input layer will get input_sync. That I think I need to fix in input core. I think we used to not reset sync flag on ignored events. -- 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
