Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265541AbTFMVfo (ORCPT ); Fri, 13 Jun 2003 17:35:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265540AbTFMVfo (ORCPT ); Fri, 13 Jun 2003 17:35:44 -0400 Received: from phoenix.infradead.org ([195.224.96.167]:55814 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S265541AbTFMVfm (ORCPT ); Fri, 13 Jun 2003 17:35:42 -0400 Date: Fri, 13 Jun 2003 22:49:27 +0100 (BST) From: James Simmons To: Peter Osterlund cc: Vojtech Pavlik , Kernel Mailing List , Vojtech Pavlik , Peter Berg Larsen Subject: Re: [PATCH] Synaptics TouchPad driver for 2.5.70 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1388 Lines: 37 > > > to the Synaptics TouchPad Interfacing Guide > > > (http://www.synaptics.com/decaf/utilities/ACF126.pdf), W is defined as > > > follows: > > > > > > Value Needed capability Interpretation > > > W = 0 capMultiFinger Two fingers on the pad. > > > W = 1 capMultiFinger Three or more fingers on the pad. > > > W = 2 capPen Pen (instead of finger) on the pad. > > > W = 3 Reserved. > > > W = 4-7 capPalmDetect Finger of normal width. > > > W = 8-14 capPalmDetect Very wide finger or palm. > > > W = 15 capPalmDetect Maximum reportable width; extremely > > > wide contact. > > > > > > Is there a better way than using ABS_MISC to pass the W information to > > > user space? > > > > We should probably add an EV_MSC, MSC_GESTURE event type for this. > > That'll be the cleanest solution. > > Peter Berg Larsen suggested in a private email that we shouldn't > export W directly, because it is too synaptics specific. Better split > it in "number of fingers" and "finger width", so that other touchpads > could use the same format. > > What do we call these things? ABS_FINGER_WIDTH and ABS_NR_FINGERS > maybe? ABS_AREA - 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/