usb_find_common_endpoints — - look up common endpoint descriptors
int usb_find_common_endpoints ( | struct usb_host_interface * alt, |
| struct usb_endpoint_descriptor ** bulk_in, | |
| struct usb_endpoint_descriptor ** bulk_out, | |
| struct usb_endpoint_descriptor ** int_in, | |
struct usb_endpoint_descriptor ** int_out); |
altalternate setting to search
bulk_inpointer to descriptor pointer, or NULL
bulk_outpointer to descriptor pointer, or NULL
int_inpointer to descriptor pointer, or NULL
int_outpointer to descriptor pointer, or NULL