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authorOliver Neukum <oliver@neukum.org>2009-01-14 12:34:06 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-24 19:20:29 -0400
commitd1c0713daea5d1d881ecc8707458ca6746031376 (patch)
tree6428eba428aed06a8ffcbf8d9353b5209e3e4c58 /drivers
parent4901b2c34ecb6fc45909228ad269c8126efe4401 (diff)
USB: suspend/resume for opticon driver
this does the standard support for suspend/resume for the opticon driver. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/serial/opticon.c26
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)
306 usb_set_serial_data(serial, NULL); 306 usb_set_serial_data(serial, NULL);
307} 307}
308 308
309static int opticon_suspend(struct usb_interface *intf, pm_message_t message)
310{
311 struct usb_serial *serial = usb_get_intfdata(intf);
312 struct opticon_private *priv = usb_get_serial_data(serial);
313
314 usb_kill_urb(priv->bulk_read_urb);
315 return 0;
316}
317
318static int opticon_resume(struct usb_interface *intf)
319{
320 struct usb_serial *serial = usb_get_intfdata(intf);
321 struct opticon_private *priv = usb_get_serial_data(serial);
322 struct usb_serial_port *port = serial->port[0];
323 int result;
324
325 mutex_lock(&port->mutex);
326 if (port->port.count)
327 result = usb_submit_urb(priv->bulk_read_urb, GFP_NOIO);
328 else
329 result = 0;
330 mutex_unlock(&port->mutex);
331 return result;
332}
309 333
310static struct usb_driver opticon_driver = { 334static struct usb_driver opticon_driver = {
311 .name = "opticon", 335 .name = "opticon",
312 .probe = usb_serial_probe, 336 .probe = usb_serial_probe,
313 .disconnect = usb_serial_disconnect, 337 .disconnect = usb_serial_disconnect,
338 .suspend = opticon_suspend,
339 .resume = opticon_resume,
314 .id_table = id_table, 340 .id_table = id_table,
315 .no_dynamic_id = 1, 341 .no_dynamic_id = 1,
316}; 342};