centos man page for parport_negotiate

PARPORT_NEGOTIATE(9)					       Parallel Port Devices					      PARPORT_NEGOTIATE(9)

NAME
       parport_negotiate - negotiate an IEEE 1284 mode

SYNOPSIS
       int parport_negotiate(struct parport * port, int mode);

ARGUMENTS
       port
	   port to use

       mode
	   mode to negotiate to

DESCRIPTION
       Use this to negotiate to a particular IEEE 1284 transfer mode. The mode parameter should be one of the constants in parport.h starting
       IEEE1284_MODE_xxx.

       The return value is 0 if the peripheral has accepted the negotiation to the mode specified, -1 if the peripheral is not IEEE 1284 compliant
       (or not present), or 1 if the peripheral has rejected the negotiation.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      PARPORT_NEGOTIATE(9)