diff options
Diffstat (limited to 'drivers/usb/serial/opticon.c')
| -rw-r--r-- | drivers/usb/serial/opticon.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index cea326f1f105..00d5c60adeda 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -306,11 +306,37 @@ static void opticon_shutdown(struct usb_serial *serial) usb_set_serial_data(serial, NULL); } +static int opticon_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct usb_serial *serial = usb_get_intfdata(intf); + struct opticon_private *priv = usb_get_serial_data(serial); + + usb_kill_urb(priv->bulk_read_urb); + return 0; +} + +static int opticon_resume(struct usb_interface *intf) +{ + struct usb_serial *serial = usb_get_intfdata(intf); + struct opticon_private *priv = usb_get_serial_data(serial); + struct usb_serial_port *port = serial->port[0]; + int result; + + mutex_lock(&port->mutex); + if (port->port.count) + result = usb_submit_urb(priv->bulk_read_urb, GFP_NOIO); + else + result = 0; + mutex_unlock(&port->mutex); + return result; +} static struct usb_driver opticon_driver = { .name = "opticon", .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, + .suspend = opticon_suspend, + .resume = opticon_resume, .id_table = id_table, .no_dynamic_id = 1, }; |