--- zzzz-none-000/linux-3.10.107/sound/soc/samsung/bells.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/samsung/bells.c	2021-02-04 17:41:59.000000000 +0000
@@ -350,8 +350,17 @@
 	},
 };
 
+static struct snd_soc_dapm_widget bells_widgets[] = {
+	SND_SOC_DAPM_MIC("DMIC", NULL),
+};
+
 static struct snd_soc_dapm_route bells_routes[] = {
 	{ "Sub CLK_SYS", NULL, "OPCLK" },
+	{ "CLKIN", NULL, "OPCLK" },
+
+	{ "DMIC", NULL, "MICBIAS2" },
+	{ "IN2L", NULL, "DMIC" },
+	{ "IN2R", NULL, "DMIC" },
 };
 
 static struct snd_soc_card bells_cards[] = {
@@ -365,6 +374,8 @@
 
 		.late_probe = bells_late_probe,
 
+		.dapm_widgets = bells_widgets,
+		.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 		.dapm_routes = bells_routes,
 		.num_dapm_routes = ARRAY_SIZE(bells_routes),
 
@@ -383,6 +394,8 @@
 
 		.late_probe = bells_late_probe,
 
+		.dapm_widgets = bells_widgets,
+		.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 		.dapm_routes = bells_routes,
 		.num_dapm_routes = ARRAY_SIZE(bells_routes),
 
@@ -401,6 +414,8 @@
 
 		.late_probe = bells_late_probe,
 
+		.dapm_widgets = bells_widgets,
+		.num_dapm_widgets = ARRAY_SIZE(bells_widgets),
 		.dapm_routes = bells_routes,
 		.num_dapm_routes = ARRAY_SIZE(bells_routes),
 
@@ -418,32 +433,21 @@
 
 	bells_cards[pdev->id].dev = &pdev->dev;
 
-	ret = snd_soc_register_card(&bells_cards[pdev->id]);
-	if (ret) {
+	ret = devm_snd_soc_register_card(&pdev->dev, &bells_cards[pdev->id]);
+	if (ret)
 		dev_err(&pdev->dev,
 			"snd_soc_register_card(%s) failed: %d\n",
 			bells_cards[pdev->id].name, ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-static int bells_remove(struct platform_device *pdev)
-{
-	snd_soc_unregister_card(&bells_cards[pdev->id]);
 
-	return 0;
+	return ret;
 }
 
 static struct platform_driver bells_driver = {
 	.driver = {
 		.name = "bells",
-		.owner = THIS_MODULE,
 		.pm = &snd_soc_pm_ops,
 	},
 	.probe = bells_probe,
-	.remove = bells_remove,
 };
 
 module_platform_driver(bells_driver);