V4L/DVB (10316): v4l/dvb: use usb_make_path in usb-radio drivers

Place usb_make_path in dsbr100.c, radio-mr800.c, radio-si470x.c that
used when reporting bus_info information in vidioc_querycap.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/radio/dsbr100.c

@@ -390,9 +390,11 @@ static void usb_dsbr100_disconnect(struct usb_interface *intf)
 static int vidioc_querycap(struct file *file, void *priv,
 					struct v4l2_capability *v)
 {
+	struct dsbr100_device *radio = video_drvdata(file);
+
 	strlcpy(v->driver, "dsbr100", sizeof(v->driver));
 	strlcpy(v->card, "D-Link R-100 USB FM Radio", sizeof(v->card));
-	sprintf(v->bus_info, "USB");
+	usb_make_path(radio->usbdev, v->bus_info, sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
 	v->capabilities = V4L2_CAP_TUNER;
 	return 0;

drivers/media/radio/radio-mr800.c

@@ -313,9 +313,11 @@ static void usb_amradio_disconnect(struct usb_interface *intf)
 static int vidioc_querycap(struct file *file, void *priv,
 					struct v4l2_capability *v)
 {
+	struct amradio_device *radio = video_drvdata(file);
+
 	strlcpy(v->driver, "radio-mr800", sizeof(v->driver));
 	strlcpy(v->card, "AverMedia MR 800 USB FM Radio", sizeof(v->card));
-	sprintf(v->bus_info, "USB");
+	usb_make_path(radio->usbdev, v->bus_info, sizeof(v->bus_info));
 	v->version = RADIO_VERSION;
 	v->capabilities = V4L2_CAP_TUNER;
 	return 0;