From patchwork Tue Mar 23 12:14:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhichao Cai X-Patchwork-Id: 12157869 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 5B4D6C433DB for ; Tue, 23 Mar 2021 13:34:36 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4F9406197F for ; Tue, 23 Mar 2021 13:34:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4F9406197F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=163.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E0990167F; Tue, 23 Mar 2021 14:33:43 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E0990167F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1616506473; bh=TF5UXY/Ix+B1d3eL0dXOo5Us589tHbqG9GQ1ovjUlLc=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=udhyAz0EwMPZMU0mksHMVdbdwaHYs9uyhElZCOB7bR55FLLf3o2xQa1RklrIasUsW 2+NiTeYy6aXOHSD/VUVCqd8q05xGnJtZPQXd/tksClvFomjRK4gwkbXcqhp6vgKlcA 1kfhVGBCRx/bw4fYteraL4b/4oUa5BZA+3ApWEt0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 62409F80290; Tue, 23 Mar 2021 14:32:49 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 8C13AF8025F; Tue, 23 Mar 2021 13:15:44 +0100 (CET) Received: from m12-12.163.com (m12-12.163.com [220.181.12.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 987D5F80104 for ; Tue, 23 Mar 2021 13:15:31 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 987D5F80104 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="aBnCPsqe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=6QZd+ Qu0fIzv6FrkmEmhT2O1Vr/D3wWNz5LeNfDEykY=; b=aBnCPsqePEj/C83PjqBP4 lLp7tKrL+h25sOzKlI9vawdHaaSe5xHJRvycFVYKIde7OsqNm1dH0p6QzgWOQ9tb x5xNou15pbRQudkkzQ9JYml388xmgTdMhre7C83AlErKXljpt3fzXlIHPqmrir8t 03TDL2Or/iet0EPSPDUCN4= Received: from caizhichao.ccdomain.com (unknown [218.94.48.178]) by smtp8 (Coremail) with SMTP id DMCowAAXHrLH21lgfoN2WA--.9610S2; Tue, 23 Mar 2021 20:15:26 +0800 (CST) From: caizhichao To: perex@perex.cz, tiwai@suse.com Subject: [PATCH] sound/i2c: Simplify the return expression of snd_i2c_bit_sendbyte() Date: Tue, 23 Mar 2021 20:14:43 +0800 Message-Id: <20210323121443.1276-1-tomstomsczc@163.com> X-Mailer: git-send-email 2.30.0.windows.1 MIME-Version: 1.0 X-CM-TRANSID: DMCowAAXHrLH21lgfoN2WA--.9610S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7JF1xWryxAw1kXF1rKr17Jrb_yoWxZwc_Gr ykWw48WrW5XayYv3yfZrW5Zw47GF1DCrn2kF18Kw43Gay5Ww42qr18Gr929rykXr4F9Fy3 Wr95Wr9xC39FvjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnUl1DUUUUU== X-Originating-IP: [218.94.48.178] X-CM-SenderInfo: pwrp23prpvu6rf6rljoofrz/xtbBzR5eil0CPryz5AAAsN X-Mailman-Approved-At: Tue, 23 Mar 2021 14:32:46 +0100 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Zhichao Cai X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Zhichao Cai Simplify the return expression. Signed-off-by: Zhichao Cai --- sound/i2c/i2c.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c index 847e3b6..dfcc87e 100644 --- a/sound/i2c/i2c.c +++ b/sound/i2c/i2c.c @@ -235,9 +235,7 @@ static int snd_i2c_bit_sendbyte(struct snd_i2c_bus *bus, unsigned char data) for (i = 7; i >= 0; i--) snd_i2c_bit_send(bus, !!(data & (1 << i))); err = snd_i2c_bit_ack(bus); - if (err < 0) - return err; - return 0; + return err < 0 ? err : 0; } static int snd_i2c_bit_readbyte(struct snd_i2c_bus *bus, int last)