[linux-dvb] Re: Problems with WinTV NOVA-CI

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Tuesday 14 Dec 2004 15:02, Johannes Stezenbach wrote:
> Andrew de Quincey wrote:
> > VDR should probably reset the CAM when changing channels - I'm not quite
> > sure what will happen if it isn't - _very_ likely it will vary from CAM
> > to CAM. The FF cards have a radically different implementation of the CI
> > interface which may be doing this reset automaticaly, which is likely why
> > VDR doesn't do it itself as most people appear to use it with a FF card.
> >
> > Hmm, or perhaps the CI driver should reset the CAM automatically on a
> > retune... but that might cause other problems. My feeling is it should be
> > up to the userspace application to reset CAMs when appropriate - anyone
> > have any comments?
>
> The reset shouldn't be necessary. The FF cards do not do any automatic
> reset. If you need this reset something is broken.

AFAIK no one else has reported this with the budget cards... my current 
suspicion is a CAM quirk