Hi, I did eavesdrop the i2c-bus on the TT-C2300 on windows. The initialization of the stv0297 is a little bit different. If I change the value for the initial demodulation frequency, the ber value is reduced to a fourths. - Hartmut
diff -r f9de5dc4b05e linux/drivers/media/dvb/frontends/stv0297.c --- a/linux/drivers/media/dvb/frontends/stv0297.c Wed Sep 12 01:04:48 2007 +0200 +++ b/linux/drivers/media/dvb/frontends/stv0297.c Fri Sep 21 20:15:14 2007 +0200 @@ -451,7 +451,7 @@ static int stv0297_set_frontend(struct d stv0297_writereg(state, 0x82, 0x0); /* set initial demodulation frequency */ - stv0297_set_initialdemodfreq(state, 7250); + stv0297_set_initialdemodfreq(state, p->u.qam.modulation == QAM_256 ? 6718 : 7250); /* setup AGC */ stv0297_writereg_mask(state, 0x43, 0x10, 0x00);
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