[linux-dvb] Re: CX88 i2c issue w/ DVB tuners

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

On Thursday 09 Sep 2004 16:18, Holger Waechtler wrote:
> Andrew de Quincey wrote:
> >Tum te tum, another small issue with cx88 - the i2c_adap class was always
> > set to I2C_CLASS_TV_ANALOG. Which meant if you happened to have the
> > tda9887 analogue tuner loaded, it (incorrectly) grabbed the i2c device
> > that the cx22702 uses.
> >
> >Attached patch sets the cx88 i2c bus class to I2C_CLASS_TV_DIGITAL if the
> >"dvb" flag is set.
> >
> >Incidentally, shouldn't all the DVB tuners check the bus class is
> > definitely I2C_CLASS_TV_DIGITAL? Otherwise you might end up with the
> > reverse problem (cx22702 etc taking over the tda9887's i2c device on
> > analogue cards).
> >
> >Just hope there isn't a card out there with both DVB AND analogue tuners
> > on it....
>
> Some ATSC cards and some modern Reference Designs of major chip vendors
> can receive both digital and analog broadcasts. It's just a matter of
> time until they become widely available.

Hmm, yuck. Well we'll just have to sort that out when it happens.