From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F259C3A59C for ; Fri, 16 Aug 2019 08:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C2AD20578 for ; Fri, 16 Aug 2019 08:40:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726943AbfHPIkI (ORCPT ); Fri, 16 Aug 2019 04:40:08 -0400 Received: from esa2.mentor.iphmx.com ([68.232.141.98]:27764 "EHLO esa2.mentor.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727575AbfHPIkE (ORCPT ); Fri, 16 Aug 2019 04:40:04 -0400 IronPort-SDR: xz5G3kzr1PpqPVF9DnBt+iw4OVQV3xO5LzTg96klTkPb5WcmDU2VoE7Oaz+p35tR7rKSZKYrkg lCG7jr96sI+A4sG7iKvXWtQN70iwKTSebOUs0YRcAm0/9AIbfrCd2fJ8IU/uv37PPu5CURUDwP cLhp5QI/vRy3xXP1FKXt6Zbuf2GKhmYFdneVbjpNitp7K4Yz7MiypWynpJlnJ3X4NEfQKr6AEG aYspZO3OeiOV4WNwroh42FxHdJOXZOUNGZhLrBaKHvECxJ7GJKRqLUo9MDBeFRVIbY94JKly4O 0/Q= X-IronPort-AV: E=Sophos;i="5.64,391,1559548800"; d="scan'208";a="40484246" Received: from orw-gwy-02-in.mentorg.com ([192.94.38.167]) by esa2.mentor.iphmx.com with ESMTP; 16 Aug 2019 00:32:58 -0800 IronPort-SDR: cOWxn1GS6OhR2EzAAfq+GSQu+yyU3QackfO41LJpuJKuxZIl0FudhhWraYJD3ilxNzDqs9MLaR 6FutsMkbuQWD2Ae0KMOKKRzjX9w2o4dI0rYJmpW5TA3wNpxrSIe4EhjUDZKAsJ4NPNv2gsNnEC 7mtXWufrN3yJ0aeuwI0Ujr/M0q086eSX/qpqa7ENNCNqaDMX1wcrcpJFI4HRvNCPNAOU3RMeH2 yxLuLcxfqQFbS8LH/VQDMrZdSGd3CjThyUepjjGex8yJr/d7S6MoF1KDUQcs0t/ANJGCjxWXmm zUQ= From: Jiada Wang To: , CC: , , , Subject: [PATCH v1 18/63] Input: atmel_mxt_ts - add config checksum attribute to sysfs Date: Fri, 16 Aug 2019 17:32:12 +0900 Message-ID: <20190816083257.18546-4-jiada_wang@mentor.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20190816083257.18546-1-jiada_wang@mentor.com> References: <20190816083257.18546-1-jiada_wang@mentor.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-ClientProxiedBy: svr-orw-mbx-02.mgc.mentorg.com (147.34.90.202) To svr-orw-mbx-03.mgc.mentorg.com (147.34.90.203) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: karl tsou Signed-off-by: Nick Dyer (cherry picked from ndyer/linux/for-upstream commit 03477477ddbe5dcad42853ab3f84166a8f807acf) [gdavis: Forward port and fix conflicts.] Signed-off-by: George G. Davis Signed-off-by: Jiada Wang --- drivers/input/touchscreen/atmel_mxt_ts.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 4f335c3da994..a4f8364ecca9 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3122,6 +3122,15 @@ static int mxt_configure_objects(struct mxt_data *data, return error; } +/* Configuration crc check sum is returned as hex xxxxxx */ +static ssize_t mxt_config_crc_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mxt_data *data = dev_get_drvdata(dev); + + return scnprintf(buf, PAGE_SIZE, "%06x\n", data->config_crc); +} + /* Firmware Version is returned as Major.Minor.Build */ static ssize_t mxt_fw_version_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -3475,12 +3484,14 @@ static DEVICE_ATTR(fw_version, S_IRUGO, mxt_fw_version_show, NULL); static DEVICE_ATTR(hw_version, S_IRUGO, mxt_hw_version_show, NULL); static DEVICE_ATTR(object, S_IRUGO, mxt_object_show, NULL); static DEVICE_ATTR(update_cfg, S_IWUSR, NULL, mxt_update_cfg_store); +static DEVICE_ATTR(config_crc, S_IRUGO, mxt_config_crc_show, NULL); static struct attribute *mxt_attrs[] = { &dev_attr_fw_version.attr, &dev_attr_hw_version.attr, &dev_attr_object.attr, &dev_attr_update_cfg.attr, + &dev_attr_config_crc.attr, NULL }; -- 2.19.2