linux-kernel - [PATCH 1/2] ASoC: pcm3060: Add soft reset on probe

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Date:   Mon, 11 Feb 2019 07:08:38 +0100
From:   Kirill Marinushkin <kmarinushkin@...dec.tech>
To:     Mark Brown <broonie@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Kirill Marinushkin <kmarinushkin@...dec.tech>
Subject: [PATCH 1/2] ASoC: pcm3060: Add soft reset on probe

Softly reset registers values on module probe

Signed-off-by: Kirill Marinushkin <kmarinushkin@...dec.tech>
---
 sound/soc/codecs/pcm3060.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/codecs/pcm3060.c b/sound/soc/codecs/pcm3060.c
index 6714aa8d9026..543cb86fd764 100644
--- a/sound/soc/codecs/pcm3060.c
+++ b/sound/soc/codecs/pcm3060.c
@@ -287,6 +287,14 @@ int pcm3060_probe(struct device *dev)
 	int rc;
 	struct pcm3060_priv *priv = dev_get_drvdata(dev);
 
+	/* soft reset */
+	rc = regmap_update_bits(priv->regmap, PCM3060_REG64,
+				PCM3060_REG_MRST, 0);
+	if (rc) {
+		dev_err(dev, "failed to reset component, rc=%d\n", rc);
+		return rc;
+	}
+
 	if (dev->of_node)
 		pcm3060_parse_dt(dev->of_node, priv);
 
-- 
2.13.6