Marian Durkovic wrote:
>Hi,
>
> I found a big thread on linux-dvb list couple of months old, about problems
>with retuning after lost lock.
>
> I was experiencing the same situation - but only with dvb-kernel drivers.
>My old boxes with 2.4.20 kernel and DVB branch never had this problem.
>The new box was never able to retune even after signal degradation by heavy
>rain or after cable disconnecting/reconnecting.
>
> My oscilloscope was showing the 22 kHz signal even after lost lock, but the
>card was not able to retune. Restarting the application always solved the
>problem.
>
> Finally I found the reason - it's the following code in dvb_frontend.c:
>
> /* if we're tuned, then we have determined the correct i
>nversion */
> if ((!(fe->info->caps & FE_CAN_INVERSION_AUTO)) &&
> (fe->parameters.inversion == INVERSION_AUTO)) {
> fe->parameters.inversion = fe->inversion;
> }
>
> If this is commented out, the frontend is able to retune.
>
> The card I'm using is:
>
>kernel: DVB: registering new adapter (TT-Budget/WinTV-NOVA-CI PCI).
>kernel: stv0299: try to attach to TT-Budget/WinTV-NOVA-CI PCI
>kernel: stv0299: setup for tuner SU1278 (TSA5059 synth) on TechnoTrend hardware
>kernel: DVB: registering frontend 0 (STV0299/TSA5059/SL1935 based)...
>kernel: adapter has MAC addr = 00:d0:5c:21:68:15
>kernel: budget_ci: CI interface initialised
>
>
>
> With kind regards,
>
> M.
>
>
>_______________________________________________
>
>linux-dvb@xxxxxxxxxxx
>http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
>
>
Thanks I will have to try this.
Best regards
Matt
