2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dvb_usb.h b/drivers/media/dvb/dvb-usb/dvb_usb.h
index d0c628782f76..7e4832664f5d 100644
--- a/drivers/media/dvb/dvb-usb/dvb_usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb_usb.h
@@ -356,6 +356,8 @@ struct dvb_usb_device {
 extern int dvb_usbv2_probe(struct usb_interface *,
 		const struct usb_device_id *);
 extern void dvb_usbv2_disconnect(struct usb_interface *);
+extern int dvb_usbv2_suspend(struct usb_interface *, pm_message_t);
+extern int dvb_usbv2_resume(struct usb_interface *);
 
 /* the generic read/write method for device control */
 extern int dvb_usbv2_generic_rw(struct dvb_usb_device *, u8 *, u16, u8 *, u16,
diff --git a/drivers/media/dvb/dvb-usb/dvb_usb_init.c b/drivers/media/dvb/dvb-usb/dvb_usb_init.c
index 976a706b4cc7..60011f56cc90 100644
--- a/drivers/media/dvb/dvb-usb/dvb_usb_init.c
+++ b/drivers/media/dvb/dvb-usb/dvb_usb_init.c
@@ -439,6 +439,49 @@ void dvb_usbv2_disconnect(struct usb_interface *intf)
 }
 EXPORT_SYMBOL(dvb_usbv2_disconnect);
 
+int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
+{
+	struct dvb_usb_device *d = usb_get_intfdata(intf);
+	int i;
+
+	pr_debug("%s:\n", __func__);
+
+	/* stop remote controller poll */
+	if (d->rc.query && !d->rc.bulk_mode)
+		cancel_delayed_work_sync(&d->rc_query_work);
+
+	/* stop streaming */
+	for (i = d->num_adapters_initialized - 1; i >= 0; i--) {
+		if (d->adapter[i].active_fe != -1)
+			usb_urb_killv2(&d->adapter[i].stream);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(dvb_usbv2_suspend);
+
+int dvb_usbv2_resume(struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata(intf);
+	int i;
+
+	pr_debug("%s:\n", __func__);
+
+	/* start streaming */
+	for (i = 0; i < d->num_adapters_initialized; i++) {
+		if (d->adapter[i].active_fe != -1)
+			usb_urb_submitv2(&d->adapter[i].stream, NULL);
+	}
+
+	/* start remote controller poll */
+	if (d->rc.query && !d->rc.bulk_mode)
+		schedule_delayed_work(&d->rc_query_work,
+				msecs_to_jiffies(d->rc.interval));
+
+	return 0;
+}
+EXPORT_SYMBOL(dvb_usbv2_resume);
+
 MODULE_VERSION("1.0");
 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
 MODULE_DESCRIPTION("A library module containing commonly used USB and DVB function USB DVB devices");