static int ar9170_usb_init_device(struct ar9170_usb *aru)
{
int err;
err = ar9170_usb_alloc_rx_irq_urb(aru);
if (err)
goto err_out;
err = ar9170_usb_alloc_rx_bulk_urbs(aru);
if (err)
goto err_unrx;
err = ar9170_usb_upload_firmware(aru);
if (err) {
err = ar9170_echo_test(&aru->common, 0x60d43110);
if (err) {
/* force user invention, by disabling the device */
err = usb_driver_set_configuration(aru->udev, -1);
dev_err(&aru->udev->dev, "device is in a bad state. "
"please reconnect it!\n");
goto err_unrx;
}
}
return 0;
err_unrx:
ar9170_usb_cancel_urbs(aru);
err_out:
return err;
}
static int magic_charge(struct usb_device *udev)
{
char *dummy_buffer = kzalloc(2, GFP_KERNEL);
int retval;
if (!dummy_buffer)
return -ENOMEM;
/* send two magic commands and then set the configuration. The device
* will then reset itself with the new power usage and should start
* charging. */
/* Note, with testing, it only seems that the first message is really
* needed (at least for the 8700c), but to be safe, we emulate what
* other operating systems seem to be sending to their device. We
* really need to get some specs for this device to be sure about what
* is going on here.
*/
dbg(&udev->dev, "Sending first magic command\n");
retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0xa5, 0xc0, 0, 1, dummy_buffer, 2, 100);
if (retval != 2) {
dev_err(&udev->dev, "First magic command failed: %d.\n",
retval);
goto exit;
}
dbg(&udev->dev, "Sending second magic command\n");
retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0xa2, 0x40, 0, 1, dummy_buffer, 0, 100);
if (retval != 0) {
dev_err(&udev->dev, "Second magic command failed: %d.\n",
retval);
goto exit;
}
dbg(&udev->dev, "Calling set_configuration\n");
retval = usb_driver_set_configuration(udev, 1);
if (retval)
dev_err(&udev->dev, "Set Configuration failed :%d.\n", retval);
exit:
kfree(dummy_buffer);
return retval;
}
static int magic_dual_mode(struct usb_device *udev)
{
char *dummy_buffer = kzalloc(2, GFP_KERNEL);
int retval;
if (!dummy_buffer)
return -ENOMEM;
/* send magic command so that the Blackberry Pearl device exposes
* two interfaces: both the USB mass-storage one and one which can
* be used for database access. */
dbg(&udev->dev, "Sending magic pearl command\n");
retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
0xa9, 0xc0, 1, 1, dummy_buffer, 2, 100);
dbg(&udev->dev, "Magic pearl command returned %d\n", retval);
dbg(&udev->dev, "Calling set_configuration\n");
retval = usb_driver_set_configuration(udev, 1);
if (retval)
dev_err(&udev->dev, "Set Configuration failed :%d.\n", retval);
kfree(dummy_buffer);
return retval;
}
