Displaying 1 result from an estimated 1 matches for "ioctl_usb_submiturb".
2006 Jul 06
1
tracing a problem with newhidups
...busb.c] libusb_get_interrupt()
[libusb] usb_interrupt_read()
[libusb] usb_urb_transfer()
In the usb_urb_transfer() function one can find that
----------
urb.number_of_packets = 0; /* don't do isochronous yet */
urb.usercontext = NULL;
ret = ioctl(dev->fd, IOCTL_USB_SUBMITURB, &urb);
----------
and in the kernel code of linux/drivers/usb/host/uhci.c:
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static int uhci_submit_urb(struct urb *urb)
[...]
case PIPE_ISOCHRONOUS:
if (urb->bandwidth == 0) { /* not yet checked/allocated
*/
if (urb->numbe...