[Linux-parport] Negotiating IEEE1284_MODE_EPP

Tim Waugh twaugh at redhat.com
Tue May 25 11:45:40 EDT 2004


On Tue, May 25, 2004 at 04:52:37PM +0200, Gerhard Bertelsmann wrote:

> I'm having a problem to negotiate EPP mode for parport.
> I've done this with ppdev in user mode with no problem using
> ppdev:
> 
>  mode = IEEE1284_MODE_EPP;
>  negotiate_first=0;
>  if (negotiate_first)
>  {
>    ioctl (pport, PPNEGOT, &mode);
>  } else
>  {
>    ioctl (pport, PPSETMODE, &mode);
>  }

The fundamental difference is that the above code is *not*
negotiating, whereas your kernel code is.

Tim.
*/
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