--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/si476x.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/si476x.c	2021-02-04 17:41:59.000000000 +0000
@@ -21,6 +21,7 @@
 #include <linux/slab.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
+#include <linux/regmap.h>
 #include <sound/soc.h>
 #include <sound/initval.h>
 
@@ -38,9 +39,9 @@
 	SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT	= 8,
 };
 
-#define SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK	((0b111 << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) | \
-						  (0b111 << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT))
-#define SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK	(0b1111110)
+#define SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK	((0x7 << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) | \
+						  (0x7 << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT))
+#define SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK	(0x7e)
 
 enum si476x_daudio_formats {
 	SI476X_DAUDIO_MODE_I2S		= (0x0 << 1),
@@ -60,51 +61,20 @@
 	SI476X_PCM_FORMAT_S24_LE	= 6,
 };
 
-static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
-				      unsigned int reg)
-{
-	int err;
-	unsigned int val;
-	struct si476x_core *core = codec->control_data;
-
-	si476x_core_lock(core);
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, true);
-
-	err = regmap_read(core->regmap, reg, &val);
-
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, false);
-	si476x_core_unlock(core);
-
-	if (err < 0)
-		return err;
-
-	return val;
-}
-
-static int si476x_codec_write(struct snd_soc_codec *codec,
-			      unsigned int reg, unsigned int val)
-{
-	int err;
-	struct si476x_core *core = codec->control_data;
-
-	si476x_core_lock(core);
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, true);
-
-	err = regmap_write(core->regmap, reg, val);
-
-	if (!si476x_core_is_powered_up(core))
-		regcache_cache_only(core->regmap, false);
-	si476x_core_unlock(core);
+static const struct snd_soc_dapm_widget si476x_dapm_widgets[] = {
+SND_SOC_DAPM_OUTPUT("LOUT"),
+SND_SOC_DAPM_OUTPUT("ROUT"),
+};
 
-	return err;
-}
+static const struct snd_soc_dapm_route si476x_dapm_routes[] = {
+	{ "Capture", NULL, "LOUT" },
+	{ "Capture", NULL, "ROUT" },
+};
 
 static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
 				    unsigned int fmt)
 {
+	struct si476x_core *core = i2c_mfd_cell_to_core(codec_dai->dev);
 	int err;
 	u16 format = 0;
 
@@ -168,9 +138,14 @@
 		return -EINVAL;
 	}
 
+	si476x_core_lock(core);
+
 	err = snd_soc_update_bits(codec_dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
 				  SI476X_DIGITAL_IO_OUTPUT_FORMAT_MASK,
 				  format);
+
+	si476x_core_unlock(core);
+
 	if (err < 0) {
 		dev_err(codec_dai->codec->dev, "Failed to set output format\n");
 		return err;
@@ -183,6 +158,7 @@
 				  struct snd_pcm_hw_params *params,
 				  struct snd_soc_dai *dai)
 {
+	struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev);
 	int rate, width, err;
 
 	rate = params_rate(params);
@@ -191,28 +167,30 @@
 		return -EINVAL;
 	}
 
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S8:
+	switch (params_width(params)) {
+	case 8:
 		width = SI476X_PCM_FORMAT_S8;
 		break;
-	case SNDRV_PCM_FORMAT_S16_LE:
+	case 16:
 		width = SI476X_PCM_FORMAT_S16_LE;
 		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
+	case 20:
 		width = SI476X_PCM_FORMAT_S20_3LE;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		width = SI476X_PCM_FORMAT_S24_LE;
 		break;
 	default:
 		return -EINVAL;
 	}
 
+	si476x_core_lock(core);
+
 	err = snd_soc_write(dai->codec, SI476X_DIGITAL_IO_OUTPUT_SAMPLE_RATE,
 			    rate);
 	if (err < 0) {
 		dev_err(dai->codec->dev, "Failed to set sample rate\n");
-		return err;
+		goto out;
 	}
 
 	err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
@@ -221,19 +199,16 @@
 				  (width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
 	if (err < 0) {
 		dev_err(dai->codec->dev, "Failed to set output width\n");
-		return err;
+		goto out;
 	}
 
-	return 0;
-}
+out:
+	si476x_core_unlock(core);
 
-static int si476x_codec_probe(struct snd_soc_codec *codec)
-{
-	codec->control_data = i2c_mfd_cell_to_core(codec->dev);
-	return 0;
+	return err;
 }
 
-static struct snd_soc_dai_ops si476x_dai_ops = {
+static const struct snd_soc_dai_ops si476x_dai_ops = {
 	.hw_params	= si476x_codec_hw_params,
 	.set_fmt	= si476x_codec_set_dai_fmt,
 };
@@ -256,10 +231,17 @@
 	.ops		= &si476x_dai_ops,
 };
 
+static struct regmap *si476x_get_regmap(struct device *dev)
+{
+	return dev_get_regmap(dev->parent, NULL);
+}
+
 static struct snd_soc_codec_driver soc_codec_dev_si476x = {
-	.probe  = si476x_codec_probe,
-	.read   = si476x_codec_read,
-	.write  = si476x_codec_write,
+	.get_regmap = si476x_get_regmap,
+	.dapm_widgets = si476x_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(si476x_dapm_widgets),
+	.dapm_routes = si476x_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(si476x_dapm_routes),
 };
 
 static int si476x_platform_probe(struct platform_device *pdev)
@@ -279,7 +261,6 @@
 static struct platform_driver si476x_platform_driver = {
 	.driver		= {
 		.name	= "si476x-codec",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= si476x_platform_probe,
 	.remove		= si476x_platform_remove,