[linux-dvb] [PATCH] experimental support for C-1501

Sigmund Augdal sigmund at snap.tv
Wed Jun 4 16:37:13 CEST 2008


ons, 04.06.2008 kl. 16.58 +0300, skrev Antti Palosaari:
> Sigmund Augdal wrote:
> > The following experimental patch adds support for the technotrend budget
> > C-1501 dvb-c card. The parameters used to configure the tda10023 demod
> > chip are largely determined experimentally, but works quite for me in my
> > initial tests.
> 
> You finally found correct values :) I see that it uses same clock 
> settings than Anysee. Also deltaf could be correct because I remember 
> from my tests that it cannot set wrong otherwise it will not work at 
> all. How did you find defltaf?
I guessed the clock settings based on how the same tuner is used by a
different demod. The deltaf value was found by trial and error (helped
by some scripting). deltaf values slightly off will also work, but
tuning will be very slow. I also think the deltaf value will depend on
the bandwidth of the transponder tuned. All transponders I've tested
with are 8MHz, but I think other values are possible, and these will
most likely not work. I submitted the patch anyway in the hope that some
broader testing might help uncover any remaining problems.
> 
> Your patch has at least coding style issues, please run make checkpatch 
> fix errors and resend patch.
I was trying to follow the guidelines, but I guess I wasn't doing that
good enough. Will try to clean that up and resend soon.

regards
Sigmund
> 
> regards
> Antti
> 
> > 
> > Signed-Off-By: Sigmund Augdal <sigmund at snap.tv>
> > 
> > 
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> 




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