Re: Tuner refactoring part 2

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On Sun, 16 Jul 2006, Robert Schlabbach wrote:
> From: "Andrew de Quincey" <adq_dvb@xxxxxxxxxxxxx>
> > 1) One tuner needs to send 5 bytes.
> > I think this problem has been seen with other tuners too.
>
> You don't have to send 5 bytes. You can split the operation up. In fact,
> most of the time you won't have to change all PLL settings anyway (e.g. you
> can leave the AGC TOP setting unchanged after initialization), so sending 4
> bytes will still suffice... In fact, it won't only suffice, but also save
> time & CPU cycles to write only the PLL registrs which you actually need to
> change.

Did you read this thread on the dvb list?
http://www.linuxtv.org/pipermail/linux-dvb/2006-July/011583.html

It's also about the agc top settings.  I would hate to see too much work
done which has failed to consider the points already discussed.

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