--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/cs4270.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/cs4270.c	2021-02-04 17:41:59.000000000 +0000
@@ -139,6 +139,22 @@
 	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
 };
 
+static const struct snd_soc_dapm_widget cs4270_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("AINL"),
+SND_SOC_DAPM_INPUT("AINR"),
+
+SND_SOC_DAPM_OUTPUT("AOUTL"),
+SND_SOC_DAPM_OUTPUT("AOUTR"),
+};
+
+static const struct snd_soc_dapm_route cs4270_dapm_routes[] = {
+	{ "Capture", NULL, "AINL" },
+	{ "Capture", NULL, "AINR" },
+
+	{ "AOUTL", NULL, "Playback" },
+	{ "AOUTR", NULL, "Playback" },
+};
+
 /**
  * struct cs4270_mode_ratios - clock ratio tables
  * @ratio: the ratio of MCLK to the sample rate
@@ -422,7 +438,7 @@
 static int cs4270_soc_put_mute(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
 	int left = !ucontrol->value.integer.value[0];
 	int right = !ucontrol->value.integer.value[1];
@@ -490,15 +506,6 @@
 	struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
 	int ret;
 
-	/* Tell ASoC what kind of I/O to use to read the registers.  ASoC will
-	 * then do the I2C transactions itself.
-	 */
-	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
-	if (ret < 0) {
-		dev_err(codec->dev, "failed to set cache I/O (ret=%i)\n", ret);
-		return ret;
-	}
-
 	/* Disable auto-mute.  This feature appears to be buggy.  In some
 	 * situations, auto-mute will not deactivate when it should, so we want
 	 * this feature disabled by default.  An application (e.g. alsactl) can
@@ -612,6 +619,10 @@
 
 	.controls =		cs4270_snd_controls,
 	.num_controls =		ARRAY_SIZE(cs4270_snd_controls),
+	.dapm_widgets =		cs4270_dapm_widgets,
+	.num_dapm_widgets =	ARRAY_SIZE(cs4270_dapm_widgets),
+	.dapm_routes =		cs4270_dapm_routes,
+	.num_dapm_routes =	ARRAY_SIZE(cs4270_dapm_routes),
 };
 
 /*
@@ -653,10 +664,8 @@
 
 	cs4270 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs4270_private),
 			      GFP_KERNEL);
-	if (!cs4270) {
-		dev_err(&i2c_client->dev, "could not allocate codec\n");
+	if (!cs4270)
 		return -ENOMEM;
-	}
 
 	/* get the power supply regulators */
 	for (i = 0; i < ARRAY_SIZE(supply_names); i++)
@@ -742,7 +751,6 @@
 static struct i2c_driver cs4270_i2c_driver = {
 	.driver = {
 		.name = "cs4270",
-		.owner = THIS_MODULE,
 		.of_match_table = cs4270_of_match,
 	},
 	.id_table = cs4270_id,