usb_hub_set_port_power
usb_hub_set_port_power(hdev, hub, port1, false);
usb_hub_set_port_power(hdev, hub, port1, true);
extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,
rc = usb_hub_set_port_power(hdev, hub, port1, !disabled);
retval = usb_hub_set_port_power(hdev, hub, port1, true);
retval = usb_hub_set_port_power(hdev, hub, port1, false);