From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262882AbVBCLVi (ORCPT ); Thu, 3 Feb 2005 06:21:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262886AbVBCLVg (ORCPT ); Thu, 3 Feb 2005 06:21:36 -0500 Received: from main.gmane.org ([80.91.229.2]:34449 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S262920AbVBCLUs (ORCPT ); Thu, 3 Feb 2005 06:20:48 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Giuseppe Bilotta Subject: Re: [PATCH 3/4] Fix "pointer jumps to corner of screen" problem on ALPS Glidepoint touchpads. Date: Thu, 3 Feb 2005 12:18:10 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: ppp-116-150.29-151.libero.it User-Agent: MicroPlanet-Gravity/2.70.2067 X-Gmane-MailScanner: Found to be clean X-Gmane-MailScanner: Found to be clean X-MailScanner-From: glk-linux-kernel@m.gmane.org X-MailScanner-To: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Peter Osterlund wrote: > Only parse a "z == 127" packet as a relative Dualpoint stick packet if > the touchpad actually is a Dualpoint device. The Glidepoint models > don't have a stick, and can report z == 127 for a very wide finger. If > such a packet is parsed as a stick packet, the mouse pointer will > typically jump to one corner of the screen. I remember reading specs of a touchpad (can't remember if it was ALPS or Synaptics) (driver) which could do "palm detection" (basically ignoring events when a large part of the hand accidentally touched/pressed the pad, FWICS). -- Giuseppe "Oblomov" Bilotta Can't you see It all makes perfect sense Expressed in dollar and cents Pounds shillings and pence (Roger Waters)