From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753902Ab2DRNX1 (ORCPT ); Wed, 18 Apr 2012 09:23:27 -0400 Received: from mail-gx0-f202.google.com ([209.85.161.202]:39113 "EHLO mail-gx0-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753484Ab2DRNWE (ORCPT ); Wed, 18 Apr 2012 09:22:04 -0400 From: Daniel Kurtz To: Dmitry Torokhov , Henrik Rydberg , Joonyoung Shim , Nick Dyer , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Benson Leung , Yufeng Shen , Daniel Kurtz Subject: [PATCH 14/14 v3] Input: atmel_mxt_ts - parse T6 reports Date: Wed, 18 Apr 2012 21:21:59 +0800 Message-Id: <1334755319-21365-15-git-send-email-djkurtz@chromium.org> X-Mailer: git-send-email 1.7.7.3 In-Reply-To: <1334755319-21365-1-git-send-email-djkurtz@chromium.org> References: <1334755319-21365-1-git-send-email-djkurtz@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The normal messages sent after boot or NVRAM update are T6 reports, containing a status, and the config memory checksum. Parse them and dump a useful info message. This patch tested on an MXT224E. Signed-off-by: Daniel Kurtz --- drivers/input/touchscreen/atmel_mxt_ts.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 6077b7c..0590312 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -247,6 +247,7 @@ struct mxt_data { unsigned int max_y; /* Cached parameters from object table */ + u8 T6_reportid; u8 T9_reportid_min; u8 T9_reportid_max; }; @@ -560,6 +561,12 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id) message.reportid <= data->T9_reportid_max) { mxt_input_touch(data, &message); update_input = true; + } else if (message.reportid == data->T6_reportid) { + unsigned csum = message.message[1] | + (message.message[2] << 8) | + (message.message[3] << 16); + dev_info(dev, "Status: %02x Config Checksum: %06x\n", + message.message[0], csum); } else { mxt_dump_message(dev, &message); } @@ -689,6 +696,7 @@ static int mxt_get_object_table(struct mxt_data *data) size_t table_size; /* Initialized cached object fields to 0 */ + data->T6_reportid = 0; data->T9_reportid_min = 0; data->T9_reportid_max = 0; @@ -728,6 +736,9 @@ static int mxt_get_object_table(struct mxt_data *data) object->instances + 1, min_id, max_id); switch (object->type) { + case MXT_GEN_COMMAND_T6: + data->T6_reportid = min_id; + break; case MXT_TOUCH_MULTI_T9: data->T9_reportid_min = min_id; data->T9_reportid_max = max_id; -- 1.7.7.3