[linux-dvb] Re: Nexus-CA analogue module question

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

On Wednesday 22 Dec 2004 15:00, Johannes Stezenbach wrote:
> Andrew de Quincey wrote:
> > Hi, the av7110_init_anlog_module() function does this to detect an
> > "analogue module":
> >
> >  if (i2c_writereg(av7110, 0x80, 0x0, 0x80) != 1
> >
> >      || i2c_writereg(av7110, 0x80, 0x0, 0) != 1)
> >
> >   return -ENODEV;
> >
> >
> > However this fails on the nexus CA so the analogue system is never
> > initialised. What is this actually talking doing?
>
> This writes the control reg of the msp3400 on the analog daugther board
> of the siemens dvb-c card, to set and clear the soft-reset bit.

Ah I see.

Tim, I unfortunately can't make out what chips are on your board - the 
pictures you sent me a while back were obviously more focussed on the DVB 
end... Is there an MSP3400 on there? What about an saa7113? 

Hmm, not sure how feasible it is to remote debug an analogue system 
unfortunately.