USB: core endpoint: Fix Coding Styles

Fixed coding styles in the core usb endpoint.
Signed-off-by: NCarlos Sánchez Acosta <csanchez@neurowork.net>
Signed-off-by: NAlejandro Sánchez Acosta <asanchez@neurowork.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/core/endpoint.c

@@ -96,16 +96,21 @@ static ssize_t show_ep_interval(struct device *dev,
 
 	switch (usb_endpoint_type(ep->desc)) {
 	case USB_ENDPOINT_XFER_CONTROL:
-		if (ep->udev->speed == USB_SPEED_HIGH) 	/* uframes per NAK */
+		if (ep->udev->speed == USB_SPEED_HIGH)
+			/* uframes per NAK */
 			interval = ep->desc->bInterval;
 		break;
+
 	case USB_ENDPOINT_XFER_ISOC:
 		interval = 1 << (ep->desc->bInterval - 1);
 		break;
+
 	case USB_ENDPOINT_XFER_BULK:
-		if (ep->udev->speed == USB_SPEED_HIGH && !in) /* uframes per NAK */
+		if (ep->udev->speed == USB_SPEED_HIGH && !in)
+			/* uframes per NAK */
 			interval = ep->desc->bInterval;
 		break;
+
 	case USB_ENDPOINT_XFER_INT:
 		if (ep->udev->speed == USB_SPEED_HIGH)
 			interval = 1 << (ep->desc->bInterval - 1);