--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/max9768.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/max9768.c	2021-02-04 17:41:59.000000000 +0000
@@ -35,7 +35,7 @@
 	u32 flags;
 };
 
-static struct reg_default max9768_default_regs[] = {
+static const struct reg_default max9768_default_regs[] = {
 	{ 0, 0 },
 	{ 3,  MAX9768_CTRL_FILTERLESS},
 };
@@ -43,8 +43,8 @@
 static int max9768_get_gpio(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct max9768 *max9768 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
+	struct max9768 *max9768 = snd_soc_component_get_drvdata(c);
 	int val = gpio_get_value_cansleep(max9768->mute_gpio);
 
 	ucontrol->value.integer.value[0] = !val;
@@ -55,16 +55,15 @@
 static int max9768_set_gpio(struct snd_kcontrol *kcontrol,
 	struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
-	struct max9768 *max9768 = snd_soc_codec_get_drvdata(codec);
+	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
+	struct max9768 *max9768 = snd_soc_component_get_drvdata(c);
 
 	gpio_set_value_cansleep(max9768->mute_gpio, !ucontrol->value.integer.value[0]);
 
 	return 0;
 }
 
-static const unsigned int volume_tlv[] = {
-	TLV_DB_RANGE_HEAD(43),
+static const DECLARE_TLV_DB_RANGE(volume_tlv,
 	0, 0, TLV_DB_SCALE_ITEM(-16150, 0, 0),
 	1, 1, TLV_DB_SCALE_ITEM(-9280, 0, 0),
 	2, 2, TLV_DB_SCALE_ITEM(-9030, 0, 0),
@@ -107,8 +106,8 @@
 	51, 57, TLV_DB_SCALE_ITEM(290, 50, 0),
 	58, 58, TLV_DB_SCALE_ITEM(650, 0, 0),
 	59, 62, TLV_DB_SCALE_ITEM(700, 60, 0),
-	63, 63, TLV_DB_SCALE_ITEM(950, 0, 0),
-};
+	63, 63, TLV_DB_SCALE_ITEM(950, 0, 0)
+);
 
 static const struct snd_kcontrol_new max9768_volume[] = {
 	SOC_SINGLE_TLV("Playback Volume", MAX9768_VOL, 0, 63, 0, volume_tlv),
@@ -118,24 +117,32 @@
 	SOC_SINGLE_BOOL_EXT("Playback Switch", 0, max9768_get_gpio, max9768_set_gpio),
 };
 
-static int max9768_probe(struct snd_soc_codec *codec)
+static const struct snd_soc_dapm_widget max9768_dapm_widgets[] = {
+SND_SOC_DAPM_INPUT("IN"),
+
+SND_SOC_DAPM_OUTPUT("OUT+"),
+SND_SOC_DAPM_OUTPUT("OUT-"),
+};
+
+static const struct snd_soc_dapm_route max9768_dapm_routes[] = {
+	{ "OUT+", NULL, "IN" },
+	{ "OUT-", NULL, "IN" },
+};
+
+static int max9768_probe(struct snd_soc_component *component)
 {
-	struct max9768 *max9768 = snd_soc_codec_get_drvdata(codec);
+	struct max9768 *max9768 = snd_soc_component_get_drvdata(component);
 	int ret;
 
-	codec->control_data = max9768->regmap;
-	ret = snd_soc_codec_set_cache_io(codec, 2, 6, SND_SOC_REGMAP);
-	if (ret)
-		return ret;
-
 	if (max9768->flags & MAX9768_FLAG_CLASSIC_PWM) {
-		ret = snd_soc_write(codec, MAX9768_CTRL, MAX9768_CTRL_PWM);
+		ret = regmap_write(max9768->regmap, MAX9768_CTRL,
+			MAX9768_CTRL_PWM);
 		if (ret)
 			return ret;
 	}
 
 	if (gpio_is_valid(max9768->mute_gpio)) {
-		ret = snd_soc_add_codec_controls(codec, max9768_mute,
+		ret = snd_soc_add_component_controls(component, max9768_mute,
 				ARRAY_SIZE(max9768_mute));
 		if (ret)
 			return ret;
@@ -144,10 +151,14 @@
 	return 0;
 }
 
-static struct snd_soc_codec_driver max9768_codec_driver = {
+static struct snd_soc_component_driver max9768_component_driver = {
 	.probe = max9768_probe,
 	.controls = max9768_volume,
 	.num_controls = ARRAY_SIZE(max9768_volume),
+	.dapm_widgets = max9768_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(max9768_dapm_widgets),
+	.dapm_routes = max9768_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(max9768_dapm_routes),
 };
 
 static const struct regmap_config max9768_i2c_regmap_config = {
@@ -172,11 +183,13 @@
 
 	if (pdata) {
 		/* Mute on powerup to avoid clicks */
-		err = gpio_request_one(pdata->mute_gpio, GPIOF_INIT_HIGH, "MAX9768 Mute");
+		err = devm_gpio_request_one(&client->dev, pdata->mute_gpio,
+				GPIOF_INIT_HIGH, "MAX9768 Mute");
 		max9768->mute_gpio = err ?: pdata->mute_gpio;
 
 		/* Activate chip by releasing shutdown, enables I2C */
-		err = gpio_request_one(pdata->shdn_gpio, GPIOF_INIT_HIGH, "MAX9768 Shutdown");
+		err = devm_gpio_request_one(&client->dev, pdata->shdn_gpio,
+				GPIOF_INIT_HIGH, "MAX9768 Shutdown");
 		max9768->shdn_gpio = err ?: pdata->shdn_gpio;
 
 		max9768->flags = pdata->flags;
@@ -188,38 +201,11 @@
 	i2c_set_clientdata(client, max9768);
 
 	max9768->regmap = devm_regmap_init_i2c(client, &max9768_i2c_regmap_config);
-	if (IS_ERR(max9768->regmap)) {
-		err = PTR_ERR(max9768->regmap);
-		goto err_gpio_free;
-	}
+	if (IS_ERR(max9768->regmap))
+		return PTR_ERR(max9768->regmap);
 
-	err = snd_soc_register_codec(&client->dev, &max9768_codec_driver, NULL, 0);
-	if (err)
-		goto err_gpio_free;
-
-	return 0;
-
- err_gpio_free:
-	if (gpio_is_valid(max9768->shdn_gpio))
-		gpio_free(max9768->shdn_gpio);
-	if (gpio_is_valid(max9768->mute_gpio))
-		gpio_free(max9768->mute_gpio);
-
-	return err;
-}
-
-static int max9768_i2c_remove(struct i2c_client *client)
-{
-	struct max9768 *max9768 = i2c_get_clientdata(client);
-
-	snd_soc_unregister_codec(&client->dev);
-
-	if (gpio_is_valid(max9768->shdn_gpio))
-		gpio_free(max9768->shdn_gpio);
-	if (gpio_is_valid(max9768->mute_gpio))
-		gpio_free(max9768->mute_gpio);
-
-	return 0;
+	return devm_snd_soc_register_component(&client->dev,
+		&max9768_component_driver, NULL, 0);
 }
 
 static const struct i2c_device_id max9768_i2c_id[] = {
@@ -231,10 +217,8 @@
 static struct i2c_driver max9768_i2c_driver = {
 	.driver = {
 		.name = "max9768",
-		.owner = THIS_MODULE,
 	},
 	.probe = max9768_i2c_probe,
-	.remove = max9768_i2c_remove,
 	.id_table = max9768_i2c_id,
 };
 module_i2c_driver(max9768_i2c_driver);