From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932392AbaHGOIK (ORCPT ); Thu, 7 Aug 2014 10:08:10 -0400 Received: from kdh-gw.itdev.co.uk ([89.21.227.133]:12374 "EHLO hermes.kdh.itdev.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757457AbaHGOH1 (ORCPT ); Thu, 7 Aug 2014 10:07:27 -0400 From: nick.dyer@itdev.co.uk To: Dmitry Torokhov Cc: Yufeng Shen , Daniel Kurtz , Henrik Rydberg , Joonyoung Shim , Alan Bowens , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Meerwald , Benson Leung , Olof Johansson , Sekhar Nori , Stephen Warren , Nick Dyer Subject: [PATCH 2/2] Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA Date: Thu, 7 Aug 2014 15:07:18 +0100 Message-Id: <1407420438-6289-3-git-send-email-nick.dyer@itdev.co.uk> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1407420438-6289-1-git-send-email-nick.dyer@itdev.co.uk> References: <1407420438-6289-1-git-send-email-nick.dyer@itdev.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nick Dyer Signed-off-by: Nick Dyer --- drivers/input/touchscreen/atmel_mxt_ts.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index da497db..67ea728 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1424,10 +1424,12 @@ static int mxt_get_object_table(struct mxt_data *data) switch (object->type) { case MXT_GEN_MESSAGE_T5: - if (data->info.family_id == 0x80) { + if ((data->info.family_id == 0x80) + && (data->info.version < 0x20)) { /* - * On mXT224 read and discard unused CRC byte - * otherwise DMA reads are misaligned + * On mXT224 firmware versions prior to V2.0 + * read and discard unused CRC byte otherwise + * DMA reads are misaligned */ data->T5_msg_size = mxt_obj_size(object); } else { -- 1.9.1