HID: use to_hid_device()

Use to_hid_device() instead of container_of().

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 774cd22..9bbf5a7 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1549,7 +1549,7 @@
 				    enum led_brightness value)
 {
 	struct device *dev = led->dev->parent;
-	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *drv_data;
 
 	int n;
@@ -1591,7 +1591,7 @@
 static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
 {
 	struct device *dev = led->dev->parent;
-	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *drv_data;
 
 	int n;
@@ -1614,7 +1614,7 @@
 				unsigned long *delay_off)
 {
 	struct device *dev = led->dev->parent;
-	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
+	struct hid_device *hdev = to_hid_device(dev);
 	struct sony_sc *drv_data = hid_get_drvdata(hdev);
 	int n;
 	__u8 new_on, new_off;