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[linux-dvb] Re: Erroneous unsupported PLL synthesizer: found it!!
On Friday 14 March 2003 18:35, Ralph Metzler wrote:
> Andrew de Quincey writes:
> > Hi, I've found the problem. It seems to be the same one as mentioned in
> > "dvb-kernel and alps_bsru6 not tuning" from Matt Davis on Mon, 03 Feb
> > 2003.
> >
> > Basically, sending both i2c commands at the same time means the stv0299
> > bus repeater does not have enough time (the i2c device returns BUSY 'cos
> > it hasn't finished with the first message). Adopting the same solution
> > (breaking all the double-i2c PLL writes up into two single ones) makes
> > the PLL work again.
>
> Well, I did ask you yesterday if PLL writes are done in one transfer
> or two in the driver you are using.
Yeah, I wasn't quite sure what you meant. In hindsight, of course, it all
makes sense now :)
Anyway, shall I just patch it in for my PLL chip in particular, or just change
all the PLL code to use seperate i2c transmissions?
--
adq
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