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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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