From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754171Ab2KGQkw (ORCPT ); Wed, 7 Nov 2012 11:40:52 -0500 Received: from mail-ee0-f46.google.com ([74.125.83.46]:56378 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753079Ab2KGQiB (ORCPT ); Wed, 7 Nov 2012 11:38:01 -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 v3 05/13] HID: hid-multitouch: support arrays for the split of the touches in a report Date: Wed, 7 Nov 2012 17:37:28 +0100 Message-Id: <1352306256-12180-6-git-send-email-benjamin.tissoires@gmail.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1352306256-12180-1-git-send-email-benjamin.tissoires@gmail.com> References: <1352306256-12180-1-git-send-email-benjamin.tissoires@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Win8 certification introduced the ability to transmit two X and two Y per touch. The specification precises that it must be used in an array. This test guarantees that we split the touches on the last element in this array. Signed-off-by: Benjamin Tissoires --- drivers/hid/hid-multitouch.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 9f64e36..a6a4e0a 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -577,12 +577,15 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, return 0; } - if (usage->hid == td->last_slot_field) - mt_complete_slot(td, field->hidinput->input); - - if (field->index == td->last_field_index - && td->num_received >= td->num_expected) - mt_sync_frame(td, field->hidinput->input); + if (usage->usage_index + 1 == field->report_count) { + /* we only take into account the last report. */ + if (usage->hid == td->last_slot_field) + mt_complete_slot(td, field->hidinput->input); + + if (field->index == td->last_field_index + && td->num_received >= td->num_expected) + mt_sync_frame(td, field->hidinput->input); + } } -- 1.7.11.7