exit:
retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);
if (retval) {
- err("%s - usb_submit_urb failed with result %d",
+ dev_err(&pdata->udev->dev,
+ "%s - usb_submit_urb failed with result %d\n",
__func__, retval);
}
}
}
}
if (!int_in_endpointAddr) {
- err("Could not find int-in endpoint");
+ dev_err(&iface->dev, "Could not find int-in endpoint\n");
return -EIO;
}
pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);
if (!pdata) {
retval = -ENOMEM;
- err("Out of memory");
+ dev_err(&iface->dev, "Out of memory\n");
goto error;
}
pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);
if (!pdata->msgdata) {
retval = -ENOMEM;
- err("appledisplay: Allocating buffer for control messages "
- "failed");
+ dev_err(&iface->dev,
+ "Allocating buffer for control messages failed\n");
goto error;
}
pdata->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!pdata->urb) {
retval = -ENOMEM;
- err("appledisplay: Allocating URB failed");
+ dev_err(&iface->dev, "Allocating URB failed\n");
goto error;
}
GFP_KERNEL, &pdata->urb->transfer_dma);
if (!pdata->urbdata) {
retval = -ENOMEM;
- err("appledisplay: Allocating URB buffer failed");
+ dev_err(&iface->dev, "Allocating URB buffer failed\n");
goto error;
}
pdata, 1);
if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {
retval = -EIO;
- err("appledisplay: Submitting URB failed");
+ dev_err(&iface->dev, "Submitting URB failed\n");
goto error;
}
pdata->bd = backlight_device_register(bl_name, NULL, pdata,
&appledisplay_bl_data);
if (IS_ERR(pdata->bd)) {
- err("appledisplay: Backlight registration failed");
+ dev_err(&iface->dev, "Backlight registration failed\n");
goto error;
}
if (brightness < 0) {
retval = brightness;
- err("appledisplay: Error while getting initial brightness: %d", retval);
+ dev_err(&iface->dev,
+ "Error while getting initial brightness: %d\n", retval);
goto error;
}
pdata->urbdata, pdata->urb->transfer_dma);
usb_free_urb(pdata->urb);
}
- if (pdata->bd)
+ if (pdata->bd && !IS_ERR(pdata->bd))
backlight_device_unregister(pdata->bd);
kfree(pdata->msgdata);
}
{
wq = create_singlethread_workqueue("appledisplay");
if (!wq) {
- err("Could not create work queue\n");
+ printk(KERN_ERR "appledisplay: Could not create work queue\n");
return -ENOMEM;
}