--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/ak5386.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/ak5386.c	2021-02-04 17:41:59.000000000 +0000
@@ -14,15 +14,71 @@
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 #include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
 #include <sound/soc.h>
 #include <sound/pcm.h>
 #include <sound/initval.h>
 
+static const char * const supply_names[] = {
+	"va", "vd"
+};
+
 struct ak5386_priv {
 	int reset_gpio;
+	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
+};
+
+static const struct snd_soc_dapm_widget ak5386_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
 };
 
-static struct snd_soc_codec_driver soc_codec_ak5386;
+static const struct snd_soc_dapm_route ak5386_dapm_routes[] = {
+	{ "Capture", NULL, "AINL" },
+	{ "Capture", NULL, "AINR" },
+};
+
+static int ak5386_soc_probe(struct snd_soc_codec *codec)
+{
+	struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+	return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
+}
+
+static int ak5386_soc_remove(struct snd_soc_codec *codec)
+{
+	struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+	regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ak5386_soc_suspend(struct snd_soc_codec *codec)
+{
+	struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+	regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
+	return 0;
+}
+
+static int ak5386_soc_resume(struct snd_soc_codec *codec)
+{
+	struct ak5386_priv *priv = snd_soc_codec_get_drvdata(codec);
+	return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
+}
+#else
+#define ak5386_soc_suspend	NULL
+#define ak5386_soc_resume	NULL
+#endif /* CONFIG_PM */
+
+static struct snd_soc_codec_driver soc_codec_ak5386 = {
+	.probe = ak5386_soc_probe,
+	.remove = ak5386_soc_remove,
+	.suspend = ak5386_soc_suspend,
+	.resume = ak5386_soc_resume,
+	.dapm_widgets = ak5386_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(ak5386_dapm_widgets),
+	.dapm_routes = ak5386_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(ak5386_dapm_routes),
+};
 
 static int ak5386_set_dai_fmt(struct snd_soc_dai *codec_dai,
 			      unsigned int format)
@@ -107,6 +163,7 @@
 {
 	struct device *dev = &pdev->dev;
 	struct ak5386_priv *priv;
+	int ret, i;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -115,6 +172,14 @@
 	priv->reset_gpio = -EINVAL;
 	dev_set_drvdata(dev, priv);
 
+	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
+		priv->supplies[i].supply = supply_names[i];
+
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
+				      priv->supplies);
+	if (ret < 0)
+		return ret;
+
 	if (of_match_device(of_match_ptr(ak5386_dt_ids), dev))
 		priv->reset_gpio = of_get_named_gpio(dev->of_node,
 						      "reset-gpio", 0);
@@ -140,7 +205,6 @@
 	.remove		= ak5386_remove,
 	.driver		= {
 		.name	= "ak5386",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(ak5386_dt_ids),
 	},
 };