[linux-dvb] Rationalisation of /dev/adapterX/caY devices

Johannes Stezenbach js at linuxtv.org
Tue Apr 11 13:11:58 CEST 2006


On Tue, Apr 11, 2006, Manu Abraham wrote:
> Johannes Stezenbach wrote:
> >Basically this slot thing models the hardware, which is just one
> >CI controller, el cheapo extended to support two slots.
> 
> On cards with multiple controllers/one controller with multiple devices, 
> except for the case where it is daisy chained (some budget cards use 
> this el cheapo method), when we have multiple slots, we can route the TS 
> between slots (specific hardware). This is in fact multiple devices on 
> one board/chip
> 
> In such a case it would be nice if we can address the slots directly (we 
> will be able to do many interesting things, like a router), since the 
> slots are not directly linked (daisy chained). I mean this will enable 
> us to leave options open.

I think you can have multiple caX devices already if you want
to, just for existing hardware I know of it doesn't make that
much sense.

Johannes



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