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

[Johannes Stezenbach <js@linuxtv.org>]

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.

Johannes