I've done more investigation and tried to understand what scan does. Basically everything depends on the ability of the chip to tune a channel with parameters set to XXX_AUTO. So I was able to track down the "problem" (still don't know whether it is a problem or not) to this specific issue. This is BBC ONE in London uk-CrystalPalace. A:505833330:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:600:601:4164 B:505833330:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_AUTO:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_AUTO:600:601:4164 C:505833330:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_AUTO:FEC_AUTO:QAM_AUTO:TRANSMISSION_MODE_AUTO:GUARD_INTERVAL_AUTO:HIERARCHY_AUTO:600:601:4164 A is the usual channel B is the attempt to move as much as possible to AUTO C is the wished configuration (the one that would let kaffeine do the AUTO scan) output of tzap (I needed to change slightly the parsing to accept XXX_AUTO everywhere) channel A status 1f | signal 8b2e | snr 0000 | ber 001fffff | unc 00000000 | FE_HAS_LOCK status 1f | signal 8b1c | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK channel B status 1f | signal 8b1c | snr 0000 | ber 001fffff | unc 00000000 | FE_HAS_LOCK status 1f | signal 8b0e | snr 0000 | ber 00000000 | unc 00000000 | FE_HAS_LOCK channel C status 01 | signal 8b06 | snr 0000 | ber 001fffff | unc 00000000 | status 01 | signal 8b26 | snr 0000 | ber 001fffff | unc 00000000 | Is it an issue or am I lost in the blue? I enabled the debug in dib3000mc and dibx000_common but I had no output during those attempts. I'm sorry if I had already written other mails about that, but I need time to understand how all those pieces are linked together. I would like to help somehow, to do some testing changing some of the settings in the driver but I still haven't found any documentation about the dib3000mc. Is there a datasheet available of this chip? or reverse engineering the Windows driver is the only way? Thanks for your time. _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
