From patchwork Fri May 29 11:04:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxin Yu X-Patchwork-Id: 11578305 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1599E912 for ; Fri, 29 May 2020 11:07:19 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E76EF2074B for ; Fri, 29 May 2020 11:07:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KuSOMa0M"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="MAeKSDfG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E76EF2074B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=MnQ4t1EGoSf3M4foJ8nmHdZswu7NN0Pz1IFR/vpq1SM=; b=KuSOMa0MbQ7wVP dyoly70Q8eEnrcOVC29WLfyLMMH9ugH9WsJ6ASQM8ICCV70ntiekvIxsj0ySF5JvZJJ0gO+JSsMl7 5E0MahnihpM2X8eqG7W2Em9Aw2TwKaD4+rBgrwzt9JY3AvM9HtoEPwp5GYVCr0dFsg1+RdvvznVdV d8pEriMDHmuch7ZuqI85elHWqcn0+iAlUTihjeQLk3rUbr1a5Mu+wuheWPIy68yL708XajA7xoRMg 1N+Yvs4bGlK2YanEGaJ7ROrG+7qwOfifcxmeRQXZuQpXHpyCmZsUVnNZbvAxRm8uBhpxbQDJ/uC4s 8A1BdZowte4pIs91uoLA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jecr0-0007N1-OF; Fri, 29 May 2020 11:07:10 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jecqn-00078Z-HD; Fri, 29 May 2020 11:06:59 +0000 X-UUID: 5c724e649e524c3fa729287950a85146-20200529 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=jZUffhDsS3iywjAJ/yJ5JfUnRTxh9XWi8vUqBMSK1xw=; b=MAeKSDfGibfhzNGpPlWlhJ/kWsZ4/N80ioIeOhEGfnRn/faegoj3xhPuJufnwFq45IodCqZ+aF5bUNUbzM8rYaIWU0OjCsYFaNOpfs8fsCBPRhKtCJe/9TaHin9DIIrmv4bbFFCv/8ljt+sDmssUASCaQQOUMOXjv6XuBF8n3JU=; X-UUID: 5c724e649e524c3fa729287950a85146-20200529 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 821815558; Fri, 29 May 2020 03:06:43 -0800 Received: from MTKMBS31N2.mediatek.inc (172.27.4.87) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 May 2020 04:06:47 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 29 May 2020 19:06:43 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 29 May 2020 19:06:43 +0800 From: Jiaxin Yu To: , , , , Subject: [PATCH] ASoC: mediatek: mt6358: support DMIC one-wire mode Date: Fri, 29 May 2020 19:04:53 +0800 Message-ID: <1590750293-12769-1-git-send-email-jiaxin.yu@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 X-TM-SNTS-SMTP: 56AF50F10CD9D0433DF18F5F850C09F0DF00BA6224F5C412DE4A190D0C76F8BF2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200529_040657_591136_8B719D79 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, howie.huang@mediatek.com, linux-kernel@vger.kernel.org, Jiaxin Yu , tzungbi@google.com, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Supports DMIC one-wire mode. Adds a mixer control to enable and disable. Signed-off-by: Jiaxin Yu Reviewed-by: Tzung-Bi Shih --- sound/soc/codecs/mt6358.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/mt6358.c b/sound/soc/codecs/mt6358.c index 1b830ea..ca7628d 100644 --- a/sound/soc/codecs/mt6358.c +++ b/sound/soc/codecs/mt6358.c @@ -95,6 +95,8 @@ struct mt6358_priv { struct regulator *avdd_reg; int wov_enabled; + + int dmic_one_wire_mode; }; int mt6358_set_mtkaif_protocol(struct snd_soc_component *cmpnt, @@ -566,6 +568,28 @@ static int mt6358_put_wov(struct snd_kcontrol *kcontrol, return 0; } +static int mt6358_dmic_one_wire_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); + struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt); + + ucontrol->value.integer.value[0] = priv->dmic_one_wire_mode; + + return 0; +} + +static int mt6358_dmic_one_wire_mode_set(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); + struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt); + + priv->dmic_one_wire_mode = ucontrol->value.integer.value[0]; + + return 0; +} + static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0); static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0); @@ -588,6 +612,10 @@ static int mt6358_put_wov(struct snd_kcontrol *kcontrol, SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0, mt6358_get_wov, mt6358_put_wov), + + SOC_SINGLE_BOOL_EXT("Dmic One Wire Mode", 0, + mt6358_dmic_one_wire_mode_get, + mt6358_dmic_one_wire_mode_set), }; /* MUX */ @@ -1740,7 +1768,10 @@ static int mt6358_amic_enable(struct mt6358_priv *priv) mt6358_mtkaif_tx_enable(priv); /* UL dmic setting off */ - regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0000); + if (priv->dmic_one_wire_mode) + regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0400); + else + regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0080); /* UL turn on */ regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0001);