From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932141Ab0LMCuZ (ORCPT ); Sun, 12 Dec 2010 21:50:25 -0500 Received: from mail-gy0-f174.google.com ([209.85.160.174]:62003 "EHLO mail-gy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756187Ab0LMCuX (ORCPT ); Sun, 12 Dec 2010 21:50:23 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=NyVNpACkBs357yEOC8RLZasB+Y3mqcqRbFPk+oNwSsnI+qDT7+uNFe13WNfSL/u3Co 0KLcomZauy/EXq6TnTYazdU/sVMnDLh6pRRQp1OWtsUuVle/Io+i1NZDTmEm0z+1WEzS nOH2QDVYHkgf8VQNjVquhhhWSjUdmOWnpScm4= Date: Sun, 12 Dec 2010 18:50:16 -0800 From: Dmitry Torokhov To: Henrik Rydberg Cc: Jiri Kosina , Ping Cheng , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] input: mt: Add button support for five fingers Message-ID: <20101213025016.GC21401@core.coreip.homeip.net> References: <1292063308-15327-1-git-send-email-rydberg@euromail.se> <1292063308-15327-2-git-send-email-rydberg@euromail.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1292063308-15327-2-git-send-email-rydberg@euromail.se> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Dec 11, 2010 at 11:28:28AM +0100, Henrik Rydberg wrote: > This patch adds BTN_TOOL_QUINTAP to be used by hardware reporting > finger counts different from the number of MT contacts. I must say this is quite ugly, but so is introducing ABS_CONTACT_COUNT or similar, except that the latter is more extensible so if manufacturers decide to report 6, 7, 8 fingers (but not their coordinates) we won't have to breed BTN_TOOL_xxxTAPs... But let me ask you this: do we know what to do with 5 fingers? How do we plan to react to such gestures? Maybe the best option is simply ignore it and don't report anything if there are no userspace consumers? Thanks. -- Dmitry