linux-kernel - [PATCH v2] ASoC: qcom: SC7280: Add support for external DMIC bias supply

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Message-ID: <1659016789-9933-1-git-send-email-quic_srivasam@quicinc.com>
Date:   Thu, 28 Jul 2022 19:29:49 +0530
From:   Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>, <perex@...ex.cz>,
        <tiwai@...e.com>, <srinivas.kandagatla@...aro.org>,
        <quic_rohkumar@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <swboyd@...omium.org>, <judyhsiao@...omium.org>,
        <devicetree@...r.kernel.org>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Subject: [PATCH v2] ASoC: qcom: SC7280: Add support for external DMIC bias supply

Update SC7280 machine driver for enabling external dmic bias supply,
which is required for villager evt boards.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
---
Changes since v1:
	-- Replace dapm widget SND_SOC_DAPM_MIC with SND_SOC_DAPM_REGULATOR_SUPPLY.
 sound/soc/qcom/sc7280.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/qcom/sc7280.c b/sound/soc/qcom/sc7280.c
index da7469a..4a60f34 100644
--- a/sound/soc/qcom/sc7280.c
+++ b/sound/soc/qcom/sc7280.c
@@ -356,6 +356,7 @@ 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_REGULATOR_SUPPLY("DMICVDD", 0, 0),
 };
 
 static int sc7280_snd_platform_probe(struct platform_device *pdev)
-- 
2.7.4