From patchwork Thu Jul 28 07:10:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 594533 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 D835CC04A68 for ; Thu, 28 Jul 2022 07:12:04 +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 E53D21654; Thu, 28 Jul 2022 09:11:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E53D21654 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1658992322; bh=mejG/NDCyAjMqXkPaA1wiWAjkdJCdXOwRKPUnzLBIqM=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=SerSSMMGpdC09uosxM0OZhwrI8ZKbXKiPPbGOfFSOaYQzb56LV/qRx6tpjzh501jp v5Ghj8xvxP5oV+HM+XxnrwOHGDQ3koTljKDHIUS82mbP3t5emBIFfJHolRV62tbXUr /s+JUMMlebc0GpTjlPF0+ohmPkPHHZF9oPPBL4Dg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 7000BF80430; Thu, 28 Jul 2022 09:11:11 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 77484F800FA; Thu, 28 Jul 2022 09:11:09 +0200 (CEST) Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) (using TLSv1.2 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D3D63F800FA for ; Thu, 28 Jul 2022 09:11:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D3D63F800FA Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="fpWgvXZb" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1658992264; x=1690528264; h=from:to:cc:subject:date:message-id:mime-version; bh=R4lt1h/LtXD8XZCgX0MqvcNhHlPUrXLCVf+2J1eJ5RA=; b=fpWgvXZbxxMFrl1v4hVEhSbzGqHIJJWDcLpd5Aqz5wENPhgJb1XjOoe3 BjNv2r0Xbl2pBXVxpIj84o6dfneOcURlnpByCjjg7haejghlk7f8PGMDP IgY3whcs2er7iZVk63nLgVcGP4hQbOeVeIE/S1mi+l6KEaMBrXNs3PVq+ 4=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 28 Jul 2022 00:10:57 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jul 2022 00:10:56 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 28 Jul 2022 00:10:55 -0700 Received: from hu-srivasam-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Thu, 28 Jul 2022 00:10:50 -0700 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , Subject: [PATCH] ASoC: qcom: SC7280: Add support for external DMIC bias supply Date: Thu, 28 Jul 2022 12:40:33 +0530 Message-ID: <1658992233-28372-1-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) Cc: Srinivasa Rao Mandadapu 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" Update SC7280 machine driver for enabling external mic bias supply, Which is required for villager rev boards. Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/sc7280.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c index da7469a..6404e94 100644 --- a/sound/soc/qcom/sc7280.c +++ b/sound/soc/qcom/sc7280.c @@ -33,6 +33,7 @@ struct sc7280_snd_data { struct snd_soc_jack hdmi_jack; bool jack_setup; bool stream_prepared[LPASS_MAX_PORTS]; + struct regulator *vdd_supply; }; static void sc7280_jack_free(struct snd_jack *jack) @@ -345,6 +346,24 @@ static int sc7280_snd_startup(struct snd_pcm_substream *substream) return ret; } +static int sc7280_dmic_micbias(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_card *card = w->dapm->card; + struct sc7280_snd_data *data = snd_soc_card_get_drvdata(card); + int ret = 0; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + ret = regulator_enable(data->vdd_supply); + break; + case SND_SOC_DAPM_POST_PMD: + ret = regulator_disable(data->vdd_supply); + break; + } + return ret; +} + static const struct snd_soc_ops sc7280_ops = { .startup = sc7280_snd_startup, .hw_params = sc7280_snd_hw_params, @@ -356,6 +375,7 @@ static const struct snd_soc_ops sc7280_ops = { static const struct snd_soc_dapm_widget sc7280_snd_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_MIC("PMIC BIAS", sc7280_dmic_micbias), }; static int sc7280_snd_platform_probe(struct platform_device *pdev) @@ -389,6 +409,10 @@ static int sc7280_snd_platform_probe(struct platform_device *pdev) link->ops = &sc7280_ops; } + data->vdd_supply = devm_regulator_get(dev, "vdd-dmic-bias"); + if (IS_ERR(data->vdd_supply) + return PTR_ERR(data->vdd_supply); + return devm_snd_soc_register_card(dev, card); }