From patchwork Thu May 31 11:11:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xie Yisheng X-Patchwork-Id: 10440921 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3D25D602BD for ; Thu, 31 May 2018 11:32:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D506292C4 for ; Thu, 31 May 2018 11:32:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22264292CE; Thu, 31 May 2018 11:32:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 87D26292C4 for ; Thu, 31 May 2018 11:32:42 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 62611267906; Thu, 31 May 2018 13:22:56 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id DFB68267910; Thu, 31 May 2018 13:22:53 +0200 (CEST) Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by alsa0.perex.cz (Postfix) with ESMTP id 999D5267904 for ; Thu, 31 May 2018 13:22:48 +0200 (CEST) Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 7EA4A2560D0A8; Thu, 31 May 2018 19:22:35 +0800 (CST) Received: from linux-ibm.site (10.175.102.37) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.382.0; Thu, 31 May 2018 19:22:26 +0800 From: Yisheng Xie To: Date: Thu, 31 May 2018 19:11:21 +0800 Message-ID: <1527765086-19873-17-git-send-email-xieyisheng1@huawei.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1527765086-19873-1-git-send-email-xieyisheng1@huawei.com> References: <1527765086-19873-1-git-send-email-xieyisheng1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected Cc: Yisheng Xie , alsa-devel@alsa-project.org, Takashi Iwai , Liam Girdwood , andy.shevchenko@gmail.com, Mark Brown Subject: [alsa-devel] [PATCH v2 16/21] ASoC: max98088: use match_string() helper X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP match_string() returns the index of an array for a matching string, which can be used instead of open coded variant. Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: alsa-devel@alsa-project.org Signed-off-by: Yisheng Xie --- v2: - split ret=xxx and move assignment to the line before 'if' - fix error return value - both per Andy sound/soc/codecs/max98088.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c index 865f64c..fb515aa 100644 --- a/sound/soc/codecs/max98088.c +++ b/sound/soc/codecs/max98088.c @@ -1382,15 +1382,12 @@ static int max98088_set_bias_level(struct snd_soc_component *component, static int max98088_get_channel(struct snd_soc_component *component, const char *name) { - int i; + int ret; - for (i = 0; i < ARRAY_SIZE(eq_mode_name); i++) - if (strcmp(name, eq_mode_name[i]) == 0) - return i; - - /* Shouldn't happen */ - dev_err(component->dev, "Bad EQ channel name '%s'\n", name); - return -EINVAL; + ret = match_string(eq_mode_name, ARRAY_SIZE(eq_mode_name), name); + if (ret < 0) + dev_err(component->dev, "Bad EQ channel name '%s'\n", name); + return ret; } static void max98088_setup_eq1(struct snd_soc_component *component)