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

Andrew de Quincey adq_dvb at lidskialf.net
Thu Apr 20 23:33:58 CEST 2006


On Thursday 20 April 2006 18:40, norbert wrote:
> Am Donnerstag, 20. April 2006 18:13 schrieb Andrew de Quincey:
> > 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?
>
> Yes, thats right.

Hi, can you try the attached patch please? It should solve the problem...
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