From patchwork Wed Apr 3 13:23:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 10883753 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 6E1151708 for ; Wed, 3 Apr 2019 13:24:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 21BA61FF7F for ; Wed, 3 Apr 2019 13:24:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1132128640; Wed, 3 Apr 2019 13:24:34 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9476828179 for ; Wed, 3 Apr 2019 13:24:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=A4OxUmRW/m8ZqYjvURT2NQZp9h+nhQLaDtThOTVIH50=; b=rQDcd8Senrgwnn p1yxJo2unuMn38D6rCv4ULXfK+kjMpRTuJQ+3GCzrQssB3g74Z21uvzZwodX5mo/55hakuux14UVs 6Y+N2kjKHI+QvG9tM2FkgHYI5XiHKCi9MTz+WlvR1ad+XzwdqZglejhVMwn5Qpg7UxFgbpQi4GvWG Nxz+anTa5Yx3BBCtjX34TXEQ1f2xH6cj35RrDtUP5NNe/5/Cb65AayFV+Pbqor3okiR/BpNFGcRx1 ePMTZPinqInxL2sHT15CjvXkyUkhzHPA5IWI8IvP4FBJTR6X1mfL1kYMm/LvHzs6nUqffLzB2PWy0 jzXb7P1dHMUyTVZuhqxA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hBfsQ-0002s4-O9; Wed, 03 Apr 2019 13:24:26 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hBfru-0002CJ-TU for linux-arm-kernel@lists.infradead.org; Wed, 03 Apr 2019 13:23:57 +0000 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 x33DL2Un012281; Wed, 3 Apr 2019 15:23:44 +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 2rmgmx44j1-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 03 Apr 2019 15:23:44 +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 BE67631; Wed, 3 Apr 2019 13:23:43 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 9F19129C0; Wed, 3 Apr 2019 13:23:43 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.435.0; Wed, 3 Apr 2019 15:23:43 +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 15:23:43 +0200 From: Olivier Moysan To: , , , , , , , , , , , , , , , , Subject: [PATCH 2/7] ASoC: cs42l51: add regulator management Date: Wed, 3 Apr 2019 15:23:32 +0200 Message-ID: <1554297817-14154-3-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190403_062355_242919_4077C352 X-CRM114-Status: GOOD ( 16.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add cs42l51 audio codec power supply management through regulator framework. Signed-off-by: Olivier Moysan --- sound/soc/codecs/cs42l51-i2c.c | 6 ++++++ sound/soc/codecs/cs42l51.c | 44 +++++++++++++++++++++++++++++++++++++++++- sound/soc/codecs/cs42l51.h | 1 + 3 files changed, 50 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/cs42l51-i2c.c b/sound/soc/codecs/cs42l51-i2c.c index 4b5731a41876..8333dbf18ea2 100644 --- a/sound/soc/codecs/cs42l51-i2c.c +++ b/sound/soc/codecs/cs42l51-i2c.c @@ -35,12 +35,18 @@ static int cs42l51_i2c_probe(struct i2c_client *i2c, return cs42l51_probe(&i2c->dev, devm_regmap_init_i2c(i2c, &config)); } +static int cs42l51_i2c_remove(struct i2c_client *i2c) +{ + return cs42l51_remove(&i2c->dev); +} + static struct i2c_driver cs42l51_i2c_driver = { .driver = { .name = "cs42l51", .of_match_table = cs42l51_of_match, }, .probe = cs42l51_i2c_probe, + .remove = cs42l51_i2c_remove, .id_table = cs42l51_i2c_id, }; diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c index 80da3cd73e04..f43eb51d2d8d 100644 --- a/sound/soc/codecs/cs42l51.c +++ b/sound/soc/codecs/cs42l51.c @@ -31,6 +31,7 @@ #include #include #include +#include #include "cs42l51.h" @@ -40,11 +41,19 @@ enum master_slave_mode { MODE_MASTER, }; +static const char * const cs42l51_supply_names[] = { + "VL", + "VD", + "VA", + "VAHP", +}; + struct cs42l51_private { unsigned int mclk; struct clk *mclk_handle; 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)]; }; #define CS42L51_FORMATS ( \ @@ -550,7 +559,7 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) { struct cs42l51_private *cs42l51; unsigned int val; - int ret; + int ret, i; if (IS_ERR(regmap)) return PTR_ERR(regmap); @@ -569,6 +578,23 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) cs42l51->mclk_handle = NULL; } + for (i = 0; i < ARRAY_SIZE(cs42l51->supplies); i++) + cs42l51->supplies[i].supply = cs42l51_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs42l51->supplies), + cs42l51->supplies); + if (ret != 0) { + dev_err(dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(cs42l51->supplies), + cs42l51->supplies); + if (ret != 0) { + dev_err(dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + /* Verify that we have a CS42L51 */ ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val); if (ret < 0) { @@ -587,11 +613,27 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap) ret = devm_snd_soc_register_component(dev, &soc_component_device_cs42l51, &cs42l51_dai, 1); + if (ret < 0) + goto error; + + return 0; + error: + regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies), + cs42l51->supplies); return ret; } EXPORT_SYMBOL_GPL(cs42l51_probe); +int cs42l51_remove(struct device *dev) +{ + struct cs42l51_private *cs42l51 = dev_get_drvdata(dev); + + return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies), + cs42l51->supplies); +} +EXPORT_SYMBOL_GPL(cs42l51_remove); + const struct of_device_id cs42l51_of_match[] = { { .compatible = "cirrus,cs42l51", }, { } diff --git a/sound/soc/codecs/cs42l51.h b/sound/soc/codecs/cs42l51.h index 0ca805492ac4..aef0ede82c7b 100644 --- a/sound/soc/codecs/cs42l51.h +++ b/sound/soc/codecs/cs42l51.h @@ -22,6 +22,7 @@ struct device; extern const struct regmap_config cs42l51_regmap; int cs42l51_probe(struct device *dev, struct regmap *regmap); +int cs42l51_remove(struct device *dev); extern const struct of_device_id cs42l51_of_match[]; #define CS42L51_CHIP_ID 0x1B