[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 58854004db88814c0f4a2fe12f7a1a5b9a8e9132..f1c5846b35f4e107b2c3beaa9a4cacc23226bf46 100644 (file)
--- a/drivers/media/rc/iguanair.c
+++ b/drivers/media/rc/iguanair.c
@@ -155,6 +155,7 @@ static void process_ir_data(struct iguanair *ir, unsigned len)
 static void iguanair_rx(struct urb *urb)
 {
        struct iguanair *ir;
+       int rc;
 
        if (!urb)
                return;
@@ -180,7 +181,9 @@ static void iguanair_rx(struct urb *urb)
                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 @@ static void iguanair_close(struct rc_dev *rdev)
 
        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 @@ static int __devinit iguanair_probe(struct usb_interface *intf,
 
        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 @@ static void __devexit iguanair_disconnect(struct usb_interface *intf)
 {
        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 @@ static int iguanair_suspend(struct usb_interface *intf, pm_message_t message)
                        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 @@ static int iguanair_resume(struct usb_interface *intf)
 
        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 @@ static struct usb_driver iguanair_driver = {
        .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);