> -----Original Message----- > From: Oliver Endriss [mailto:o.endriss@xxxxxx] > Sent: lundi 4 juillet 2011 00:43 > To: Linux Media Mailing List > Cc: Sébastien RAILLARD (COEXSI); Malcolm Priestley > Subject: Re: [DVB] TT S-1500b tuning issue > > On Wednesday 29 June 2011 15:16:10 Sébastien RAILLARD wrote: > > Dear all, > > > > We have found what seems to be a tuning issue in the driver for the > > ALPS BSBE1-D01A used in the new TT-S-1500b card from Technotrend. > > On some transponders, like ASTRA 19.2E 11817-V-27500, the card can > > work very well (no lock issues) for hours. > > > > On some other transponders, like ASTRA 19.2E 11567-V-22000, the card > > nearly never manage to get the lock: it's looking like the signal > > isn't good enough. > > Afaics the problem is caused by the tuning loop > for (tm = -6; tm < 7;) > in stv0288_set_frontend(). > > I doubt that this code works reliably. > Apparently it never obtains a lock within the given delay (30us). > > Could you please try the attached patch? > It disables the loop and tries to tune to the center frequency. > Ok, I've tested this patch with ASTRA 19.2 #24 transponder that wasn't always working: it seems to work. I think it would be great to test it for few days more to be sure. > CU > Oliver > > -- > ---------------------------------------------------------------- > VDR Remote Plugin 0.4.0: http://www.escape-edv.de/endriss/vdr/ > 4 MByte Mod: http://www.escape-edv.de/endriss/dvb-mem-mod/ > Full-TS Mod: http://www.escape-edv.de/endriss/dvb-full-ts-mod/ > ---------------------------------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
