From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH] Input: synaptics - add support for reporting x/y resolution Date: Thu, 7 May 2009 09:49:00 -0700 Message-ID: <20090507164859.GB6450@dtor-d630.eng.vmware.com> References: <1241460369.29685.6.camel@hp> <1241461145.29685.13.camel@hp> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from rv-out-0506.google.com ([209.85.198.238]:61663 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754259AbZEGQtH (ORCPT ); Thu, 7 May 2009 12:49:07 -0400 Received: by rv-out-0506.google.com with SMTP id f9so685985rvb.1 for ; Thu, 07 May 2009 09:49:08 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1241461145.29685.13.camel@hp> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Tero Saarni Cc: linux-input@vger.kernel.org Hi Tero, On Mon, May 04, 2009 at 09:19:05PM +0300, Tero Saarni wrote: > Synaptics uses anisotropic coordinate system. On wide touchpads > vertical coordinate resolution can be twice as high as horizontal > leading to unequal sensitivity. Make x and y coordinate resolution > available so that differences can be compensated. > Thank you for the patch. > +#define ABS_RESX 0x26 > +#define ABS_RESY 0x27 This data is not part of dynamic state of the device but rather describes it's physical characteristics and as such should not be transmitted as input events. We should consider extending input_absinfo and making this data available via EVIOCGABS ioctl but we need to be careful with keeping compatibility with existing clients. -- Dmitry