From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932357Ab3AYNXo (ORCPT ); Fri, 25 Jan 2013 08:23:44 -0500 Received: from mail-bk0-f43.google.com ([209.85.214.43]:49743 "EHLO mail-bk0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932305Ab3AYNXi (ORCPT ); Fri, 25 Jan 2013 08:23:38 -0500 From: Benjamin Tissoires To: Benjamin Tissoires , Dmitry Torokhov , Henrik Rydberg , Jiri Kosina , Stephane Chatty , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/25] HID: multitouch: ensure that serial devices make no use of contact count Date: Fri, 25 Jan 2013 14:22:49 +0100 Message-Id: <1359120190-18281-5-git-send-email-benjamin.tissoires@gmail.com> X-Mailer: git-send-email 1.8.1 In-Reply-To: <1359120190-18281-1-git-send-email-benjamin.tissoires@gmail.com> References: <1359120190-18281-1-git-send-email-benjamin.tissoires@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The serial protocol makes contact count a redondant information, and sometimes it is not reliable (TRS-Star are in this case). Disabling the use of contact count for these devices is thus safer. Signed-off-by: Benjamin Tissoires --- drivers/hid/hid-multitouch.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 8d0a9f9..0566fd4 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -761,6 +761,7 @@ static void mt_post_parse_default_settings(struct mt_device *td) quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; quirks &= ~MT_QUIRK_VALID_IS_INRANGE; quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; + quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; } td->mtclass.quirks = quirks; -- 1.8.1