Hi, hermann pitton schrieb: > Am Mittwoch, den 06.02.2008, 09:17 +0100 schrieb André Weidemann: >> Hartmut Hackmann wrote: >> >>> Are you sure that it is a lnbp21 on your board? >>> What kind of satellite equipment do you have? >>> - a single LNB, so the 22kHz tone is enough. >>> - a Multiswitch? >>> if yes, which commands does it need / understand? >>> - nothing but the tone? >>> - a tone burst to switch between satellites and the tone? >>> - full diseqc (2?) serial messages? >>> >>> I got a board with tda10086 and lnbp21 let and started measuring. >>> voltage switching and static tone work fine with the current >>> configuration. >> Hi Hartmut, >> I got the same tuning problems as Patrick. After your patch the Pinnacle >> 400e is not working anymore. I can get a signal, but no lock at all. >> I took a look at the PCB and there is definitely an LNBP21PD soldered >> onto it. >> Your patch disables the modulation of the 22kHz signal inside the demod >> as fas as I understood, but then the LNBP21PD was supposed to generate it. >> >> Unfortunately this is not possible with the Pinnacle 400e. I took a look >> at the LNBP21PD datasheet which states, that DSQIN is supposed to be >> connected to GND if you don't want the 22kHz signal to be generated by >> the LNBP21 itself. Guess what?! Pin 14(DSQIN) is connected to GND. >> >> For the time being I reverted your patch on my local system and the >> Pinnacle 400e is working flawlessly again. >> >> André >> > > > Hi, > > we should try to get this sorted. > > With the prior state, working for Andre and others, it does not work on > the LifeView Trio (PCI and cardbus) and the saa7134 driver. Three guys I > think reported it and Hartmut did wait with the patch for long and > allowed about half a year for testing ... > > So, if we can't fix it soon, prior state of course counts and those > later will have to use the patches further. Such a "fix" can always be > committed prior to 2.6.25 release. > > Hermann > I think Andre gave the important hint: Obviously there are boards with a separate modulator for the 22kHz signal. I must say i haven't expected that. But now we know what needs to be done: We have to make the tone generation a config option for the tda10086. Default state should be off and we need to find the boards which need it on. I will post a patch here asap.
Hartmut _______________________________________________ linux-dvb mailing list linux-dvb@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
