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authorSean Young <sean@mess.org>2012-08-13 08:59:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 16:06:22 -0300
commit7c0bd96b767da250e5aa5ee135c530d87454d9fe (patch)
tree774e0e5a049f2736100b62658e48b37b0baafe13 /drivers/media/rc/iguanair.c
parent0797b4802b57ce88e9361c8d64b0980508370649 (diff)
[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>
Diffstat (limited to 'drivers/media/rc/iguanair.c')
-rw-r--r--drivers/media/rc/iguanair.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/media/rc/iguanair.c b/drivers/media/rc/iguanair.c
index 58854004db88..f1c5846b35f4 100644
--- 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);