NAME
parport_device_num - convert device coordinates
SYNOPSIS
int parport_device_num(int parport, int mux, int daisy);
ARGUMENTS
parport
parallel port number
mux
multiplexor port number (-1 for no multiplexor)
daisy
daisy chain address (-1 for no daisy chain address)
DESCRIPTION
This tries to locate a device on the given parallel port, multiplexor port and daisy chain address, and returns its device number or -ENXIO if no device with those coordinates exists.