From patchwork Sun Apr 16 05:11:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 9682509 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 201FF60389 for ; Sun, 16 Apr 2017 05:13:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1432228138 for ; Sun, 16 Apr 2017 05:13:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0957428375; Sun, 16 Apr 2017 05:13:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AFC1B28372 for ; Sun, 16 Apr 2017 05:13:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755524AbdDPFMv (ORCPT ); Sun, 16 Apr 2017 01:12:51 -0400 Received: from mail-pg0-f65.google.com ([74.125.83.65]:34793 "EHLO mail-pg0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751325AbdDPFLw (ORCPT ); Sun, 16 Apr 2017 01:11:52 -0400 Received: by mail-pg0-f65.google.com with SMTP id o123so21926767pga.1; Sat, 15 Apr 2017 22:11:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=jJn5PnizK2MlS8Lk/yMXkkbBIJHKzqFHksySe2qsZQc=; b=ZUaDMizjtBUmJ7IcwFYBY3ejW5CNAOq2hBKEwzK8KUXtqGI+fH4K8tUVM45Mv3Huzs 8NfuXpv7hPBmoHHQhpEVt/CRo/0XLRjetHamiN1Fd9bPXfjubNwzveRpGkZq4aolNdlV Mr8rP5QVAdL61ajB6+LreGVNegviqulIqKFmTwc0l0mLucbYxw287u94giXEEcBKmqWV WToKe1rY0hUxhWS/hAiVW4yd4RjH3woolFlxIFZaPyhqXUj42ZsYJ2pgBzZM3bO6i7x7 gD9iLpDnJwZ0ISOpzllisTNoQ/kgGJIDuBU01JR/Ehq2rX8HmrMtLIrBJig6JvDkpEHb zRBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=jJn5PnizK2MlS8Lk/yMXkkbBIJHKzqFHksySe2qsZQc=; b=T73z5uCqVuxDq96RnmNhrTUM6um0c9BYB5Tfk4nWPlQ/uACfQFguT3mxx+x5NXbz1e lnc8QgdMedePsJjLTG/2m8mE2s1t/WRO237kjbREl8/VQhbtmTEdQbwjqFh9nh1OIhht UCWtvHy6CsrStdMNhmU4FfEMtHXJ5QxYksehyjVtRilqDR7JfOK+F7d6rpQpBiMauDfM jeyHSX8ijXLerHMTEpC5tEFZNxNWZQ1wXHo/4rO5lnOgJVBkHIX/FNson74OPDTzNDNz eSUPdmoqfp9XvJ9yLY1dnQPW9+1SVDJrCBqDcW2mk8ASEtYOi23MKMpJJbx/K7axHz2f HbwQ== X-Gm-Message-State: AN3rC/7OQWAn98DvVQQaYn3xdLmQSjHMdZ3D2FJQgChIXuHRxItWk504 7upY3geBQ8cuLA== X-Received: by 10.84.217.136 with SMTP id p8mr7547920pli.47.1492319511791; Sat, 15 Apr 2017 22:11:51 -0700 (PDT) Received: from dtor-ws.mtv.corp.google.com ([172.22.152.34]) by smtp.gmail.com with ESMTPSA id 66sm10889564pfg.14.2017.04.15.22.11.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 15 Apr 2017 22:11:51 -0700 (PDT) From: Dmitry Torokhov To: linux-input@vger.kernel.org Cc: Jonathan Corbet , Mauro Carvalho Chehab , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Vojtech Pavlik Subject: [PATCH 6/8] Input: docs - note that MT-A protocol is obsolete Date: Sat, 15 Apr 2017 22:11:43 -0700 Message-Id: <20170416051145.13618-6-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.12.2.762.g0e3151a226-goog In-Reply-To: <20170416051145.13618-1-dmitry.torokhov@gmail.com> References: <20170416051145.13618-1-dmitry.torokhov@gmail.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Everyone should be using multitouch protocol B (slotted) now. Signed-off-by: Dmitry Torokhov --- Documentation/input/multi-touch-protocol.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/input/multi-touch-protocol.rst b/Documentation/input/multi-touch-protocol.rst index 81775d7c1997..8035868c56bc 100644 --- a/Documentation/input/multi-touch-protocol.rst +++ b/Documentation/input/multi-touch-protocol.rst @@ -22,6 +22,9 @@ describes how to send the raw data for all contacts to the receiver. For devices capable of tracking identifiable contacts (type B), the protocol describes how to send updates for individual contacts via event slots. +.. note:: + MT potocol type A is obsolete, all kernel drivers have been + converted to use type B. Protocol Usage -------------- @@ -400,9 +403,6 @@ in a finger packet must not be recognized as single-touch events. For type A devices, all finger data bypasses input filtering, since subsequent events of the same type refer to different fingers. -For example usage of the type A protocol, see the bcm5974 driver. For -example usage of the type B protocol, see the hid-egalax driver. - .. [#f1] Also, the difference (TOOL_X - POSITION_X) can be used to model tilt. .. [#f2] The list can of course be extended. .. [#f3] The mtdev project: http://bitmath.org/code/mtdev/.