Re: Port of em28xx and xc3028 to new hybrid tuner framework.

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Aidan Thornton wrote:
> On 9/7/07, Michael Krufky <mkrufky@xxxxxxxxxxx> wrote:
>   
>> Please take a look at the xc3028-fe.c file in the following patch:
>>
>> http://www.linuxtv.org/~mkrufky/xc-bluebird.patch
>>
>> You can use the logic used in that patch to determine ATSC / DVB-T / etc
>>
>> ...we might want to change this after multiproto is merged (if that happens anytime soon), because better options may be available at that point.
>>
>> I was thinking of redoing that xc3028-fe module to include analog support soon, but if you're going to to work on it instead, it makes life easier for me :-)
>>     
>
> Thanks. That looks like roughly how I suspected it would work.
>
> Unfortunately, I don't currently have any (practical) way of testing
> DVB-T at the moment due to poor signal strength and a lack of a cable
> between the loft aerial and anywhere.
>
> On 9/7/07, Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> wrote:
>   
>> The tm6000 has a tuner-xc2028 driver that actually works also with
>> xc3028, for tm6000. It contains both DVB and V4L logic, although yet not
>> ported to the hybrid driver approach. IMO, shouldn't be hard to port
>> though.
>>     
>
> It won't be easy. Apparently, there's currently no way of sharing
> state between the analog portion of the driver and the digital one
> using the hybrid approach. (It looks like a separate instance of the
> driver is used for each, and communication with the analog one seems
> to be severely limited by the API.)

Right now, a separate instance of the driver is used for analog /
digital tuning.  In order to use a single instance, we will have to
store a pointer to the dvb_frontend structure on the bridge level, but
there are various other prerequisites that must be dealt with before we
get to that point.

We _will_ get there though, eventually.

-Mike

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