[media] iguanair: support suspend and resume
Now unbind also stops the receiver.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index 5885400..f1c5846 100644
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -155,6 +155,7 @@
static void iguanair_rx(struct urb *urb)
{
struct iguanair *ir;
+ int rc;
if (!urb)
return;
@@ -180,7 +181,9 @@
break;
}
- usb_submit_urb(urb, GFP_ATOMIC);
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc && rc != -ENODEV)
+ dev_warn(ir->dev, "failed to resubmit urb: %d\n", rc);
}
static int iguanair_send(struct iguanair *ir, void *data, unsigned size)
@@ -423,7 +426,7 @@
rc = iguanair_receiver(ir, false);
ir->receiver_on = false;
- if (rc)
+ if (rc && rc != -ENODEV)
dev_warn(ir->dev, "failed to disable receiver: %d\n", rc);
mutex_unlock(&ir->lock);
@@ -516,8 +519,6 @@
usb_set_intfdata(intf, ir);
- dev_info(&intf->dev, "Registered %s", ir->name);
-
return 0;
out2:
usb_kill_urb(ir->urb_in);
@@ -536,12 +537,11 @@
{
struct iguanair *ir = usb_get_intfdata(intf);
+ rc_unregister_device(ir->rc);
usb_set_intfdata(intf, NULL);
-
usb_kill_urb(ir->urb_in);
usb_free_urb(ir->urb_in);
usb_free_coherent(ir->udev, MAX_PACKET_SIZE, ir->buf_in, ir->dma_in);
- rc_unregister_device(ir->rc);
kfree(ir);
}
@@ -558,6 +558,8 @@
dev_warn(ir->dev, "failed to disable receiver for suspend\n");
}
+ usb_kill_urb(ir->urb_in);
+
mutex_unlock(&ir->lock);
return rc;
@@ -570,6 +572,10 @@
mutex_lock(&ir->lock);
+ rc = usb_submit_urb(ir->urb_in, GFP_KERNEL);
+ if (rc)
+ dev_warn(&intf->dev, "failed to submit urb: %d\n", rc);
+
if (ir->receiver_on) {
rc = iguanair_receiver(ir, true);
if (rc)
@@ -593,7 +599,8 @@
.suspend = iguanair_suspend,
.resume = iguanair_resume,
.reset_resume = iguanair_resume,
- .id_table = iguanair_table
+ .id_table = iguanair_table,
+ .soft_unbind = 1 /* we want to disable receiver on unbind */
};
module_usb_driver(iguanair_driver);