Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758008AbZKRR3i (ORCPT ); Wed, 18 Nov 2009 12:29:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757941AbZKRR3h (ORCPT ); Wed, 18 Nov 2009 12:29:37 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:40013 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757921AbZKRR3g (ORCPT ); Wed, 18 Nov 2009 12:29:36 -0500 Date: Wed, 18 Nov 2009 18:28:49 +0100 From: Pavel Machek To: Paul Parsons , dtor@mail.ru, dmitry.torokhov@gmail.com, linux-input@vger.kernel.org Cc: rpurdie@rpsys.net, lenz@cs.wisc.edu, linux-kernel@vger.kernel.org, Dirk@Opfer-Online.de, arminlitzel@web.de, metan@ucw.cz, thommycheck@gmail.com, linux-arm-kernel@lists.infradead.org, dbaryshkov@gmail.com, omegamoon@gmail.com, eric.y.miao@gmail.com, utx@penguin.cz Subject: Re: [PATCH] hx4700: fix hx4700 touchscreen pressure values Message-ID: <20091118172849.GD25150@elf.ucw.cz> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1219 Lines: 33 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? 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/