From patchwork Thu Dec 1 07:48:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 13061021 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 025C1C4321E for ; Thu, 1 Dec 2022 07:49:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229497AbiLAHtB (ORCPT ); Thu, 1 Dec 2022 02:49:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57036 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbiLAHs7 (ORCPT ); Thu, 1 Dec 2022 02:48:59 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A544043858; Wed, 30 Nov 2022 23:48:48 -0800 (PST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4NN7Vk6t5yz4xVnZ; Thu, 1 Dec 2022 15:48:46 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl2.zte.com.cn with SMTP id 2B17maTK013822; Thu, 1 Dec 2022 15:48:36 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Thu, 1 Dec 2022 15:48:38 +0800 (CST) Date: Thu, 1 Dec 2022 15:48:38 +0800 (CST) X-Zmail-TransId: 2af963885c56ffffffff81a0d858 X-Mailer: Zmail v1.0 Message-ID: <202212011548387254492@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , Subject: =?utf-8?q?=5BPATCH=5D_Input=3A_misc=3A_use_sysfs=5Femit=28=29_to_in?= =?utf-8?q?stead_of_scnprintf=28=29?= X-MAIL: mse-fl2.zte.com.cn 2B17maTK013822 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.138.novalocal with ID 63885C5E.000 by FangMail milter! X-FangMail-Envelope: 1669880926/4NN7Vk6t5yz4xVnZ/63885C5E.000/10.5.228.133/[10.5.228.133]/mse-fl2.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63885C5E.000/4NN7Vk6t5yz4xVnZ Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: ye xingchen Replace the open-code with sysfs_emit() to simplify the code. Signed-off-by: ye xingchen --- drivers/input/misc/ims-pcu.c | 10 +++++----- drivers/input/misc/iqs269a.c | 18 +++++++++--------- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index b2f1292e27ef..6e8cc28debd9 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1050,7 +1050,7 @@ static ssize_t ims_pcu_attribute_show(struct device *dev, container_of(dattr, struct ims_pcu_attribute, dattr); char *field = (char *)pcu + attr->field_offset; - return scnprintf(buf, PAGE_SIZE, "%.*s\n", attr->field_length, field); + return sysfs_emit(buf, "%.*s\n", attr->field_length, field); } static ssize_t ims_pcu_attribute_store(struct device *dev, @@ -1206,7 +1206,7 @@ ims_pcu_update_firmware_status_show(struct device *dev, struct usb_interface *intf = to_usb_interface(dev); struct ims_pcu *pcu = usb_get_intfdata(intf); - return scnprintf(buf, PAGE_SIZE, "%d\n", pcu->update_firmware_status); + return sysfs_emit(buf, "%d\n", pcu->update_firmware_status); } static DEVICE_ATTR(update_firmware_status, S_IRUGO, @@ -1309,7 +1309,7 @@ static ssize_t ims_pcu_ofn_reg_data_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%x\n", data); + return sysfs_emit(buf, "%x\n", data); } static ssize_t ims_pcu_ofn_reg_data_store(struct device *dev, @@ -1344,7 +1344,7 @@ static ssize_t ims_pcu_ofn_reg_addr_show(struct device *dev, int error; mutex_lock(&pcu->cmd_mutex); - error = scnprintf(buf, PAGE_SIZE, "%x\n", pcu->ofn_reg_addr); + error = sysfs_emit(buf, "%x\n", pcu->ofn_reg_addr); mutex_unlock(&pcu->cmd_mutex); return error; @@ -1397,7 +1397,7 @@ static ssize_t ims_pcu_ofn_bit_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%d\n", !!(data & (1 << attr->nr))); + return sysfs_emit(buf, "%d\n", !!(data & (1 << attr->nr))); } static ssize_t ims_pcu_ofn_bit_store(struct device *dev, diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c index a348247d3d38..e4d5cea51f39 100644 --- a/drivers/input/misc/iqs269a.c +++ b/drivers/input/misc/iqs269a.c @@ -1332,7 +1332,7 @@ static ssize_t counts_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%u\n", le16_to_cpu(counts)); + return sysfs_emit(buf, "%u\n", le16_to_cpu(counts)); } static ssize_t hall_bin_show(struct device *dev, @@ -1369,7 +1369,7 @@ static ssize_t hall_bin_show(struct device *dev, return -EINVAL; } - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t hall_enable_show(struct device *dev, @@ -1377,7 +1377,7 @@ static ssize_t hall_enable_show(struct device *dev, { struct iqs269_private *iqs269 = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->hall_enable); + return sysfs_emit(buf, "%u\n", iqs269->hall_enable); } static ssize_t hall_enable_store(struct device *dev, @@ -1407,7 +1407,7 @@ static ssize_t ch_number_show(struct device *dev, { struct iqs269_private *iqs269 = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->ch_num); + return sysfs_emit(buf, "%u\n", iqs269->ch_num); } static ssize_t ch_number_store(struct device *dev, @@ -1435,7 +1435,7 @@ static ssize_t rx_enable_show(struct device *dev, { struct iqs269_private *iqs269 = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", + return sysfs_emit(buf, "%u\n", iqs269->ch_reg[iqs269->ch_num].rx_enable); } @@ -1475,7 +1475,7 @@ static ssize_t ati_mode_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t ati_mode_store(struct device *dev, @@ -1508,7 +1508,7 @@ static ssize_t ati_base_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t ati_base_store(struct device *dev, @@ -1541,7 +1541,7 @@ static ssize_t ati_target_show(struct device *dev, if (error) return error; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t ati_target_store(struct device *dev, @@ -1568,7 +1568,7 @@ static ssize_t ati_trigger_show(struct device *dev, { struct iqs269_private *iqs269 = dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%u\n", iqs269->ati_current); + return sysfs_emit(buf, "%u\n", iqs269->ati_current); } static ssize_t ati_trigger_store(struct device *dev,