[linux-dvb] knc-1 dvb-c with cam

Andrew de Quincey adq_dvb at lidskialf.net
Thu Apr 20 18:13:00 CEST 2006


On Thursday 20 April 2006 17:07, norbert wrote:
> hello,
>
> i'm still having problems with my KNC 1 DVB-C card using a CAM.
>
> While using the card without the CAM plugged in I can watch all unscrambled
> channels perfectly. But when I plug in my Alphacrypt Light Cam there is no
> data coming out of /dev/dvb/adapter0/dvr0 using czap -r.
>
> 'modprobe budget-av' without the CAM and using 'czap -r ZDF' has following
> output:
> status 1f | signal 8a8a | snr f1f1 | ber 00195000 | unc 00000000 |
> FE_HAS_LOCK
>
> and doing 'cat /dev/dvb/adapter0/dvr0 > /tmp/test' will fill the file with
> data
>
> plugging in the CAM and doing 'czap -r ZDF'  again will output nearly the
> same, except the ber value is now lower:
> status 1f | signal 8a8a | snr f1f1 | ber 00029a90 | unc 00000000 |
> FE_HAS_LOCK
>
> and doing 'cat /dev/dvb/adapter0/dvr0 > /tmp/test'  creates the file
> without filling it with any data
>
> even removing now the CAM doesn't change anything
> status 1f | signal 8a8a | snr f1f1 | ber 00029a90 | unc 00000000 |
> FE_HAS_LOCK
>
> but when I doing rmmod budget-av & modprobe budget-av everything works for
> the unscrambled channels perfectly

I know what this is I think - I have a patch which should fix it.. will sort 
it out later. Does your card use a tda10021 demod?



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