From patchwork Wed Jul 5 04:29:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?U2h1bWluZyBb6IyD5pu46YqYXQ==?= X-Patchwork-Id: 699260 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 291D2EB64DD for ; Wed, 5 Jul 2023 04:34:12 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BC8F7845; Wed, 5 Jul 2023 06:33:19 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BC8F7845 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1688531649; bh=iTYqiQuzL03Hm58isodC5yUyIxVw9EmnyEO0dgLpmRQ=; h=From:To:CC:Subject:Date:List-Id:List-Archive:List-Help:List-Owner: List-Post:List-Subscribe:List-Unsubscribe:From; b=XL2FeMNLq0UszuU0GgNx5SKxvkFiLfDMl75d4AgvM9aD8vts5mGH0KzgFTVD9KaRr lVZXcHRT87Eif/H9HDndt5shGzP8WszCqfKF5KNyhS1Hnh3eWhr2ncebzv3x+9fjXb oXL9Nkc1sYU7ftFj2zGDmV8auYM/7Hy/WoztPUHc= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 265A3F80132; Wed, 5 Jul 2023 06:32:29 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id B9295F80100; Wed, 5 Jul 2023 06:32:28 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 89275F80125; Wed, 5 Jul 2023 06:29:30 +0200 (CEST) Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by alsa1.perex.cz (Postfix) with ESMTP id A3C75F80100 for ; Wed, 5 Jul 2023 06:29:25 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A3C75F80100 Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 3654TGAU0001907, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 3654TGAU0001907 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Wed, 5 Jul 2023 12:29:16 +0800 Received: from RTEXMBS01.realtek.com.tw (172.21.6.94) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Wed, 5 Jul 2023 12:29:19 +0800 Received: from localhost.localdomain (172.22.102.1) by RTEXMBS01.realtek.com.tw (172.21.6.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 5 Jul 2023 12:29:19 +0800 From: To: , CC: , , , , , , , Shuming Fan Subject: [PATCH 2/3] ASoC: rt5645: check return value after reading device id Date: Wed, 5 Jul 2023 12:29:14 +0800 Message-ID: <20230705042915.24932-1-shumingf@realtek.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-Originating-IP: [172.22.102.1] X-ClientProxiedBy: RTEXH36506.realtek.com.tw (172.21.6.27) To RTEXMBS01.realtek.com.tw (172.21.6.94) X-KSE-ServerInfo: RTEXMBS01.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Message-ID-Hash: H35LRFQH3ZWVUV35SZZPDUI445BISU3L X-Message-ID-Hash: H35LRFQH3ZWVUV35SZZPDUI445BISU3L X-MailFrom: shumingf@realtek.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Shuming Fan If the I2C controller encounters some problems like timed-out, the codec driver will report the error code for the first read. Signed-off-by: Shuming Fan --- sound/soc/codecs/rt5645.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index c0d56a8f7f47..b0953e9bcaf9 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3967,7 +3967,11 @@ static int rt5645_i2c_probe(struct i2c_client *i2c) * read and power On. */ msleep(TIME_TO_POWER_MS); - regmap_read(regmap, RT5645_VENDOR_ID2, &val); + ret = regmap_read(regmap, RT5645_VENDOR_ID2, &val); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read: 0x%02X\n, ret = %d", RT5645_VENDOR_ID2, ret); + goto err_enable; + } switch (val) { case RT5645_DEVICE_ID: