Hello!
I want to change the actual "appletouch.c" USB driver and run into a problem.
After I called
usb_fill_int_urb(dev->urb, udev,
usb_rcvintpipe(udev, int_in_endpointAddr),
dev->data, dev->datalen, atp_complete, dev, 1);
the driver waits until the USB device (here the touchpad) starts sending data
(after I touched it). It does this continuously until I unload the driver.
If I change the driver to not (re)call the function
usb_submit_urb(dev->urb, GFP_ATOMIC);
in the "atp_complete" function, it stops. But it does not wait (as the first
time) to restart the transfer. Is it possible to let the USB device restart
the transfer after I touched the pad again?
Any trick to archive this? Do I have to reinit the device?
And help appreciated!
Thanks in advance,
Regards
Sven
--
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