--- zzzz-none-000/linux-3.10.107/drivers/leds/leds-wm831x-status.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/leds/leds-wm831x-status.c	2021-02-04 17:41:59.000000000 +0000
@@ -10,7 +10,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/leds.h>
@@ -220,6 +219,12 @@
 
 static DEVICE_ATTR(src, 0644, wm831x_status_src_show, wm831x_status_src_store);
 
+static struct attribute *wm831x_status_attrs[] = {
+	&dev_attr_src.attr,
+	NULL
+};
+ATTRIBUTE_GROUPS(wm831x_status);
+
 static int wm831x_status_probe(struct platform_device *pdev)
 {
 	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
@@ -233,21 +238,20 @@
 	res = platform_get_resource(pdev, IORESOURCE_REG, 0);
 	if (res == NULL) {
 		dev_err(&pdev->dev, "No register resource\n");
-		ret = -EINVAL;
-		goto err;
+		return -EINVAL;
 	}
 
 	drvdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_status),
 			       GFP_KERNEL);
 	if (!drvdata)
 		return -ENOMEM;
-	dev_set_drvdata(&pdev->dev, drvdata);
+	platform_set_drvdata(pdev, drvdata);
 
 	drvdata->wm831x = wm831x;
 	drvdata->reg = res->start;
 
-	if (wm831x->dev->platform_data)
-		chip_pdata = wm831x->dev->platform_data;
+	if (dev_get_platdata(wm831x->dev))
+		chip_pdata = dev_get_platdata(wm831x->dev);
 	else
 		chip_pdata = NULL;
 
@@ -285,31 +289,21 @@
 	drvdata->cdev.default_trigger = pdata.default_trigger;
 	drvdata->cdev.brightness_set = wm831x_status_set;
 	drvdata->cdev.blink_set = wm831x_status_blink_set;
+	drvdata->cdev.groups = wm831x_status_groups;
 
 	ret = led_classdev_register(wm831x->dev, &drvdata->cdev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
-		goto err_led;
+		return ret;
 	}
 
-	ret = device_create_file(drvdata->cdev.dev, &dev_attr_src);
-	if (ret != 0)
-		dev_err(&pdev->dev,
-			"No source control for LED: %d\n", ret);
-
 	return 0;
-
-err_led:
-	led_classdev_unregister(&drvdata->cdev);
-err:
-	return ret;
 }
 
 static int wm831x_status_remove(struct platform_device *pdev)
 {
 	struct wm831x_status *drvdata = platform_get_drvdata(pdev);
 
-	device_remove_file(drvdata->cdev.dev, &dev_attr_src);
 	led_classdev_unregister(&drvdata->cdev);
 
 	return 0;
@@ -318,7 +312,6 @@
 static struct platform_driver wm831x_status_driver = {
 	.driver = {
 		   .name = "wm831x-status",
-		   .owner = THIS_MODULE,
 		   },
 	.probe = wm831x_status_probe,
 	.remove = wm831x_status_remove,