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Date: Wed, 18 Nov 2009 18:46:02 +0100 From: Pavel Machek <pavel@....cz> To: Dmitry Torokhov <dmitry.torokhov@...il.com> Cc: kernel list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] hx4700: fix hx4700 touchscreen pressure values On Wed 2009-11-18 09:39:34, Dmitry Torokhov wrote: > On Wed, Nov 18, 2009 at 06:28:49PM +0100, Pavel Machek wrote: > > On Wed 2009-11-18 00:22:41, Paul Parsons wrote: > > > > Does pressure actually work as expected -- that is not inverted? > > > > Because I need this patch on spitz... but it may break your > > > > machine... > > > > > > You are right, the pressure values were being inverted on my hx4700. > > > Pressing hard generates somewhat lower Rt values than pressing lightly. > > > > > > Since typical hx4700 Rt values are close to (pressure_max/2) anyway, > > > the inverted and non-inverted values were not very different. > > > For example: > > > > > > Rt ts->pressure_max-Rt > > > 599 425 > > > 562 462 > > > 588 436 > > > 570 454 > > > > > > So by all means submit your ads7846.c patch; it will not break hx4700. > > > > Dmitry, those pressure values are reverted on more than one machine, > > and we do not have anyone reporting it works ok for them. Can we > > perhaps just.... fix it? > > OK, so we have 4 instances where pressure is inverted and nobody wants > to come out with a non-inverted example... I'll queue for .33 then - .32 > it too close to the release. Yes, .33 makes sense. Thanks! Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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