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USB: suspend/resume for opticon driver

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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>
This commit is contained in:
Oliver Neukum 2009-01-14 18:34:06 +01:00 committed by Greg Kroah-Hartman
parent 4901b2c34e
commit d1c0713dae
1 changed files with 26 additions and 0 deletions
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26
drivers/usb/serial/opticon.c
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@ -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,
};