Sorry, yeah -- I didn't realize anybody was using that patch. That part was actually an attempt to resolve another issue with the card, but it didn't work very well as you discovered. The problem is that the dst can't actually change voltage between 18V and 13V without issuing a tuning command (it can only turn the voltage off or back to whatever the last tuning command set it at), but the software I'm working on wants to be able to control the voltage without actually tuning.
No prob, I thought it might me something like that. :)
So I put an extra tuning command in there to try to get the voltage switch to happen immediately, but the dst bridge really doesn't like it when you send multiple tuning requests in rapid succession, which is what happens in the normal case -- i.e. the software sets the voltage and shortly thereafter issues a tuning request. You should definitely leave in the set_polarization line though (just take out the write_tuna), or alternatively I have an updated patch with some more stuff fixed if you're interested.
Yes please! Send it along, I'm interested in testing. Thanks for your efforts. _______________________________________________ linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb