> Hi, > > with your patch i run into following problem on a Terratec Cinergy S2 PCI > HD : > > [ 143.818103] stb6100_set_frequency: Frequency=1588000 > [ 143.826681] stb6100_get_frequency: Frequency=1587990 > [ 143.840867] stb6100_get_bandwidth: Bandwidth=10000000 > [ 150.568018] mantis_ack_wait (0): Slave RACK Fail ! > [ 150.568372] stb6100_set_bandwidth: Invalid parameter > [ 156.596525] mantis_ack_wait (0): Slave RACK Fail ! > [ 156.596880] stb6100_get_bandwidth: Invalid parameter > [ 162.784014] mantis_ack_wait (0): Slave RACK Fail ! > [ 162.784368] stb6100_get_bandwidth: Invalid parameter > [ 168.848014] mantis_ack_wait (0): Slave RACK Fail ! > [ 168.848368] stb6100_set_frequency: Invalid parameter > [ 174.896016] mantis_ack_wait (0): Slave RACK Fail ! > [ 174.896371] stb6100_get_frequency: Invalid parameter > > cu > > Edgar (gimli) Hucek Hi Edgar, I don't believe the Slave RACK problem is caused by my LNBP21 patch -- I saw it before and I posted a fix for it already at http://linuxtv.org/pipermail/linux-dvb/2008-December/030829.html Here it is again: diff -r 28324bc3d694 linux/drivers/media/dvb/mantis/mantis_i2c.c --- a/linux/drivers/media/dvb/mantis/mantis_i2c.c +++ b/linux/drivers/media/dvb/mantis/mantis_i2c.c @@ -42,7 +42,7 @@ static int mantis_ack_wait(struct mantis dprintk(verbose, MANTIS_DEBUG, 1, "Master !I2CDONE"); rc = -EREMOTEIO; } - while (!(mantis->mantis_int_stat & MANTIS_INT_I2CRACK)) { + while (!(mantis->mantis_int_stat & MANTIS_INT_I2CDONE)) { dprintk(verbose, MANTIS_DEBUG, 1, "Waiting for Slave RACK"); mantis->mantis_int_stat = mmread(MANTIS_INT_STAT); msleep(5); Regards, Hans > >> With the Azurewave AD-SP400 (Twinhan VP-1041 / Technisat HD2 / > >> ?poss. Terratec Cinergy S2 PCI HD) > >> there seems to be a driver bug when tuning some channels immediately > >> after boot or after resuming from sleep (which is entered after 1 > minute > >> idle). > >> So the initialisation seems to be unsuitable for tuning some channels. > >> > >> But... if another channel is tuned successfully first then the bad > >> channels *CAN* be tuned > >> (if you are quick and do it before it sleeps again). > >> > >> It looks like the problem channels are all horizontal but perhaps other > >> parameters are > >> relevant too/instead. > >> > >> Can anyone help? > >> Instructions for reproducing the problem on Astra 19.2E or Hotbird > 13.0E > >> are below. > >> > >> I don't know whether the problem is in the mantis, stb0899, stb6100 or > >> lnbp21 code. > > > > Problem solved with the patch below. > > > > I found that both problems tuning channels (#1 immediately after boot > and > > #2 after sleep) are > > caused by the lnbp21 voltage OFF setting. To fix #1: the LNB voltage > needs > > to be turned on when > > the lnbp21 is attached, and to fix #2: turning the voltage off on sleep > > needs to be disabled. > > > > To keep the voltage on, we need to make sure that register bit LNBP21_EN > > is always set. > > > > I note that as well as controlling the voltage regulator blocks this > > register bit also controls > > a loopthrough switch -- clearing the bit takes the lnbp21 out of the LNB > > line, which could be > > used to allow other circuitry to do LNB power and control. I don't have > > any info on how the > > card is actually wired. It seems best to keep the EN bit always set, > > because I know clearing > > it causes trouble. > > > > It turns out there is already a mechanism for specifying register bits > to > > be overridden in > > the lnbp21 attach call (already used for another card) and we just need > to > > apply the following > > one-line patch to the VP-1041 attach. > > > > This is against the repository at > > http://mercurial.intuxication.org/hg/s2-liplianin. > > > > Signed-off-by: Hans Werner <hwerner4@xxxxxx> > > > > diff -r 28324bc3d694 linux/drivers/media/dvb/mantis/mantis_dvb.c > > --- a/linux/drivers/media/dvb/mantis/mantis_dvb.c > > +++ b/linux/drivers/media/dvb/mantis/mantis_dvb.c > > @@ -239,7 +239,7 @@ int __devinit mantis_frontend_init(struc > > vp1041_config.demod_address); > > > > if (stb6100_attach(mantis->fe, > > &vp1041_stb6100_config, &mantis->adapter)) { > > - if (!lnbp21_attach(mantis->fe, > > &mantis->adapter, 0, 0)) { > > + if (!lnbp21_attach(mantis->fe, > > &mantis->adapter, LNBP21_EN, 0)) { > > printk("%s: No LNBP21 found!\n", > > __FUNCTION__); > > mantis->fe = NULL; > > } > > > > > > > > Regards, > > Hans -- Release early, release often. Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
