From patchwork Thu Dec 16 18:52:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars-Peter Clausen X-Patchwork-Id: 12682365 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 446E6C433EF for ; Thu, 16 Dec 2021 18:52:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236420AbhLPSwZ (ORCPT ); Thu, 16 Dec 2021 13:52:25 -0500 Received: from www381.your-server.de ([78.46.137.84]:47632 "EHLO www381.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236376AbhLPSwY (ORCPT ); Thu, 16 Dec 2021 13:52:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=metafoo.de; s=default2002; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=7cvx790pwuy2FZQtM7URaUvK+FVvl+IqKyJYUudlEag=; b=m1iLy2mq5oavWPAck6ba4rQVpd jqu5gNf1+ZWBr6AueB3PsWirKTVjuLL8MGPhcvR1YQWCDx64QdeBr+4yoOfbbTSTGEzR51tG2w+cV ef9wtL4y2xct5Vu2GvWdUOA6jsfk9uxQszjR37+bNmpbCb9byuygZG6Bg/pZRRT2dmktWNL74ABQd Q9osM0ee4Pf2ip9Kk8PuMHjFng01DfPIF/hCmzjMGXbAJskNHDRG06/4qttu14gghC+/PH4eLUmTV xt59Se1q9H0Bqc9NkUY3sP7qNiOeCLk5dtcffp5iwFB6QAiOP7P+IUignmPzTeHGaZflpsxRrMyCi ln6J5Kog==; Received: from sslproxy06.your-server.de ([78.46.172.3]) by www381.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1mxvrb-000ASF-As; Thu, 16 Dec 2021 19:52:23 +0100 Received: from [2001:a61:2bc8:8501:9e5c:8eff:fe01:8578] (helo=lars-desktop.fritz.box) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mxvrb-000HSt-1R; Thu, 16 Dec 2021 19:52:23 +0100 From: Lars-Peter Clausen To: Jonathan Cameron Cc: Michael Hennerich , Alexandru Tachici , Roan van Dijk , Tomasz Duszynski , Marc Titinger , Matt Ranostay , Johan Hovold , Paresh Chaudhary , Navin Sankar Velliangiri , Jacopo Mondi , Ludovic Tancerel , linux-iio@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH 06/13] iio: ina2xx-adc: sysfs_emit() Date: Thu, 16 Dec 2021 19:52:10 +0100 Message-Id: <20211216185217.1054495-7-lars@metafoo.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211216185217.1054495-1-lars@metafoo.de> References: <20211216185217.1054495-1-lars@metafoo.de> MIME-Version: 1.0 X-Authenticated-Sender: lars@metafoo.de X-Virus-Scanned: Clear (ClamAV 0.103.3/26389/Thu Dec 16 07:02:49 2021) Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it knows about the sysfs buffer specifics and has some built-in checks for size and alignment. Use sysfs_emit() to format the custom `in_allow_async_readout` device attribute of the ina2xx-adc driver. Signed-off-by: Lars-Peter Clausen --- drivers/iio/adc/ina2xx-adc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index 352f27657238..4e66473b0821 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -539,7 +539,7 @@ static ssize_t ina2xx_allow_async_readout_show(struct device *dev, { struct ina2xx_chip_info *chip = iio_priv(dev_to_iio_dev(dev)); - return sprintf(buf, "%d\n", chip->allow_async_readout); + return sysfs_emit(buf, "%d\n", chip->allow_async_readout); } static ssize_t ina2xx_allow_async_readout_store(struct device *dev,