Input: hycon-hy46xx - use device core to create driver-specific device attributes

Instead of creating driver-specific device attributes with
devm_device_add_group() have device core do this by setting up dev_groups
pointer in the driver structure.
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20230729005133.1095051-12-dmitry.torokhov@gmail.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/hycon-hy46xx.c

@@ -274,10 +274,7 @@ static struct attribute *hycon_hy46xx_attrs[] = {
 	&hycon_hy46xx_attr_bootloader_version.dattr.attr,
 	NULL
 };
-
-static const struct attribute_group hycon_hy46xx_attr_group = {
-	.attrs = hycon_hy46xx_attrs,
-};
+ATTRIBUTE_GROUPS(hycon_hy46xx);
 
 static void hycon_hy46xx_get_defaults(struct device *dev, struct hycon_hy46xx_data *tsdata)
 {
@@ -535,10 +532,6 @@ static int hycon_hy46xx_probe(struct i2c_client *client)
 		return error;
 	}
 
-	error = devm_device_add_group(&client->dev, &hycon_hy46xx_attr_group);
-	if (error)
-		return error;
-
 	error = input_register_device(input);
 	if (error)
 		return error;
@@ -576,6 +569,7 @@ MODULE_DEVICE_TABLE(of, hycon_hy46xx_of_match);
 static struct i2c_driver hycon_hy46xx_driver = {
 	.driver = {
 		.name = "hycon_hy46xx",
+		.dev_groups = hycon_hy46xx_groups,
 		.of_match_table = hycon_hy46xx_of_match,
 		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 	},