From patchwork Wed Apr 3 13:23:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 10883781 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7664917E1 for ; Wed, 3 Apr 2019 13:27:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5A435286E4 for ; Wed, 3 Apr 2019 13:27:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4D65E286EE; Wed, 3 Apr 2019 13:27:03 +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,DKIM_SIGNED, DKIM_VALID,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]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 93962286E4 for ; Wed, 3 Apr 2019 13:27:02 +0000 (UTC) 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 BB929162B; Wed, 3 Apr 2019 15:26:10 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BB929162B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1554298020; bh=MUZQxJkKSu9IjJkFH2tLfnnEsu2DoaYC07f99mRtI9Q=; h=From:To:Date:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=MwNEx74ULMri0LUjZKtJOZLRPy6UR0Dsu92NoT1iMpHIxC17JXzBHHI/ELT5oeTgY c9hJOc+NFfcnPOBzK/wdWbeQ+I5aq8ZD75BJqepRgxGSGv05SwhBdcnMwv/PrM91vI R20Eh2nt3U3nCyaKE+Amwe5/0ocBSv8OP65BgcbY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E3F4FF8971F; Wed, 3 Apr 2019 15:23:57 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id A6BAEF8068A; Wed, 3 Apr 2019 15:23:50 +0200 (CEST) Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [62.209.51.94]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A9334F8068A for ; Wed, 3 Apr 2019 15:23:46 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A9334F8068A Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x33DL2Uo012281; Wed, 3 Apr 2019 15:23:45 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2rmgmx44j5-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 03 Apr 2019 15:23:45 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3B91E34; Wed, 3 Apr 2019 13:23:45 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 1E03729C1; Wed, 3 Apr 2019 13:23:45 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Wed, 3 Apr 2019 15:23:45 +0200 Received: from localhost (10.201.23.16) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.435.0; Wed, 3 Apr 2019 15:23:44 +0200 From: Olivier Moysan To: , , , , , , , , , , , , , , , , Date: Wed, 3 Apr 2019 15:23:33 +0200 Message-ID: <1554297817-14154-4-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1554297817-14154-1-git-send-email-olivier.moysan@st.com> References: <1554297817-14154-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.16] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-03_08:, , signatures=0 Subject: [alsa-devel] [PATCH 3/7] ASoC: cs42l51: add reset management 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" X-Virus-Scanned: ClamAV using ClamSMTP Manage cs42l51 audio codec reset pin. Signed-off-by: Olivier Moysan --- sound/soc/codecs/cs42l51.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c index f43eb51d2d8d..9b3ffa16b204 100644 --- a/sound/soc/codecs/cs42l51.c +++ b/sound/soc/codecs/cs42l51.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include @@ -54,6 +55,7 @@ struct cs42l51_private { unsigned int audio_mode; /* The mode (I2S or left-justified) */ enum master_slave_mode func; struct regulator_bulk_data supplies[ARRAY_SIZE(cs42l51_supply_names)]; + struct gpio_desc *reset_gpio; }; #define CS42L51_FORMATS ( \ @@ -595,6 +597,17 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) return ret; } + cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(cs42l51->reset_gpio)) + return PTR_ERR(cs42l51->reset_gpio); + + if (cs42l51->reset_gpio) { + dev_dbg(dev, "Release reset gpio\n"); + gpiod_set_value_cansleep(cs42l51->reset_gpio, 0); + mdelay(2); + } + /* Verify that we have a CS42L51 */ ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val); if (ret < 0) { @@ -629,6 +642,8 @@ int cs42l51_remove(struct device *dev) { struct cs42l51_private *cs42l51 = dev_get_drvdata(dev); + gpiod_set_value_cansleep(cs42l51->reset_gpio, 1); + return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies), cs42l51->supplies); }