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=-9.8 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 3E3D1C43331 for ; Wed, 25 Mar 2020 13:35:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B8C02078A for ; Wed, 25 Mar 2020 13:35:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727849AbgCYNfT (ORCPT ); Wed, 25 Mar 2020 09:35:19 -0400 Received: from esa3.mentor.iphmx.com ([68.232.137.180]:53177 "EHLO esa3.mentor.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727841AbgCYNfR (ORCPT ); Wed, 25 Mar 2020 09:35:17 -0400 IronPort-SDR: hmVZ95EUR1bd4jFG43LVrAfX2UQzURZqy2WiPoNykKrKdo4x4yYpQZAMT/IMv5DyQiEyUGOlxz oCqCSlnZ1QQa0E7pf3SzLi2UtIaCyUemn+kV9GKzJ6TGGmT19i3TkUyyT9ri93emMru9LA2n2L 9RNbDfG/oPojkO0sfFN2Nf/EF1P27NqWafpqnr4GDIpBmY5dSlH9n6AVDfJRNE36DlS19O7OKX FzsYcyVp3YhfpfyPZTec/b0icsJrZRV4IunDpi1DHPNc71DTu37eUxn1QtKkzwWJOX+A686y/X 09A= X-IronPort-AV: E=Sophos;i="5.72,304,1580803200"; d="scan'208";a="47099711" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa3.mentor.iphmx.com with ESMTP; 25 Mar 2020 05:35:16 -0800 IronPort-SDR: PfbfrQHd7zN653eNLd+FsAiuGKJm4OzT24pz3mGUSahLNk66jEH3JBPLtKYmk55FB1VyFZHvEK 6KScSgdy9t5oTAiQprEDfQe+qLLI4X/Q9nzK+uTELTy3ThYKZlfrzm5H7Gklm8f7MKI09gzP6U Ygoz0DqyVK0xjdwGHWi34pxmvmKTMvrWi3fVMOOSlAfg7+tr68kWHueAB7cCWxE4QLRGdWI+iW 7PrAGCMalX3HCkT0qMMmysOnyRKRLMjEoP29HZAy2rqt7XGfJNcaCf+GIWfhIftKIqc4pW7cII GjM= From: Jiada Wang To: , , , , , CC: , , , , Subject: [PATCH v9 24/55] Input: atmel_mxt_ts - add config checksum attribute to sysfs Date: Wed, 25 Mar 2020 06:33:03 -0700 Message-ID: <20200325133334.19346-25-jiada_wang@mentor.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200325133334.19346-1-jiada_wang@mentor.com> References: <20200325133334.19346-1-jiada_wang@mentor.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: karl tsou Add config checksum attribute to sysfs Signed-off-by: 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 [jiada: Add commit description Rename mxt_config_crc_show to config_crc_show Replace DEVICE_ATTR with DEVICE_ATTR_RO] 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 dfc20c0ca0a5..67931cf64629 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3128,6 +3128,15 @@ static int mxt_configure_objects(struct mxt_data *data, return error; } +/* Configuration crc check sum is returned as hex xxxxxx */ +static ssize_t 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 fw_version_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -3481,12 +3490,14 @@ static DEVICE_ATTR_RO(fw_version); static DEVICE_ATTR_RO(hw_version); static DEVICE_ATTR(object, S_IRUGO, mxt_object_show, NULL); static DEVICE_ATTR_WO(update_cfg); +static DEVICE_ATTR_RO(config_crc); 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 }; -- 2.17.1