Messages in this thread | | | Date | Wed, 18 Nov 2009 09:39:34 -0800 | From | Dmitry Torokhov <> | Subject | Re: [PATCH] hx4700: fix hx4700 touchscreen pressure values |
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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.
-- Dmitry
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