Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756206Ab2EEUIH (ORCPT ); Sat, 5 May 2012 16:08:07 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:61333 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751031Ab2EEUID (ORCPT ); Sat, 5 May 2012 16:08:03 -0400 Message-ID: <4FA5889E.2030008@gmail.com> Date: Sat, 05 May 2012 13:07:58 -0700 From: Chase Douglas User-Agent: Mozilla/5.0 (X11; Linux i686; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Henrik Rydberg CC: Dmitry Torokhov , Jiri Kosina , chatty@enac.fr, benjamin.tissoires@gmail.com, peter.hutterer@who-t.net, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] Input: MT - Include win8 support References: <1336230499-1450-1-git-send-email-rydberg@euromail.se> In-Reply-To: <1336230499-1450-1-git-send-email-rydberg@euromail.se> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1779 Lines: 45 On 05/05/2012 08:08 AM, Henrik Rydberg wrote: > The newly released HID protocol for win8 input devices is capable of > transmitting the same information found in the Apple HID and Linux MT > protocols. In addition, it includes an extension useful for touch > alignment. This patch completes the MT protocol with the > ABS_MT_APPROACH_X/Y events, and documents how to map win8 devices. > > Signed-off-by: Henrik Rydberg > --- > Hi all, > > In response to the win8 HID protocol and Benjamin's work on this, here > is a first draft of the needed extension to the MT protocol. I am > cc:ing the usual suspects, as this will affect userland. Comments and > criticism expected. :-) > > Cheers, > Henrik > > Documentation/input/multi-touch-protocol.txt | 35 +++++++++++++++++++++++++- > include/linux/input.h | 4 ++- > 2 files changed, 37 insertions(+), 2 deletions(-) > > diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt > index 543101c..504ca6d 100644 > --- a/Documentation/input/multi-touch-protocol.txt > +++ b/Documentation/input/multi-touch-protocol.txt [snip] > @@ -252,6 +254,9 @@ can distinguish between the two axis, but not (uniquely) any values in > between. In such cases, the range of ABS_MT_ORIENTATION should be [0, 1] > [4]. > > +For devices capable of 360 degree orientation, the reported orientation > +should be twice the given range. I don't understand what this means. Can you elaborate? -- Chase -- 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/