On Sunday 08 October 2006 08:43, e9hack wrote: > Hi, > > I've problems with the TT-C2300 DVB-C card and qam256 modulated channels. > After switching to a qam256 channel, the card needs between 0.5 and 1 hour > to get the lock. Possible it is a problem of the reduced i2c bus speed. If > the stv0297 is accessed with a higher i2c bus speed, the card gets the lock > within a few seconds like qam64. I've attach a patch, which does reduce the > i2c bus speed for the tuner only. I've measured the time between 'after > tuning' and 'start waiting for the agc lock' in stv0297_set_frontend(). > Without the patch it needs 470ms and with the patch 60ms. This is a little > bit strange, because the factor of the speed changing is two. Possible, > there is a bug in the spec of the saa7146. Looks sensible to me; no point slowing the demod access just for the tuner. Will commit once you send me a signed off by line for it... _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
