[linux-dvb] Re: Re[2]: Re[2]: DVB-C it got worse!

[Holger Waechtler <holger@convergence.de>]

Micael Beronius wrote:
> Hello Holger,
> 
> 
> 
>>>And the tuning; It stops to work with the 1.11 of ves1820.c, (19
>>
> 
> HW> Please add some debug printk()'s which show the auto inversion bit and 
> HW> increase the delays.
> 
> OK, problem is that I don't have any information about the ves1820, it
> seams that Philips has some error on their semiconductor site, there's
> only links to a product overview sheet. Consequently, I do not know
> which bit represents the auto inversion. But, to do something, I
> inserted the old code into ves1820_setup_reg0(), and as soon as I did
> this, czap locked.
> 
> In the *new* code;
>         /**
>          *  check lock and toggle inversion bit if required...
>          */
>         if (!ves1820_readreg (fe, 0x11) & 0x08) {
>              ...
> This if() never seams to be true. (i.e. it never enters it), I do not
> know if this is a clue or not. (ves1820 datasheet again..(This is
> especially bad for me, since I'm a hardware guy.. ;-| )

When this bit is set the tuner tuner should be locked. Hmmm....

Holger




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