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authorOliver Neukum <oliver@neukum.org>2009-01-14 18:34:06 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-24 16:20:29 -0700
commitd1c0713daea5d1d881ecc8707458ca6746031376 (patch)
tree6428eba428aed06a8ffcbf8d9353b5209e3e4c58
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>
-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 cea326f1f10..00d5c60aded 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,
};