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 >> 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 > >> >> > > When it goes into sleep mode I see the following in dmesg: >> > > [ 522.821625] _stb0899_read_reg: Reg=[0xf12a], data=58 >> >> > >> > > >> > > [ 522.821632] stb0899_i2c_gate_ctrl: Disabling I2C Repeater ... >> >> > >> > > >> > > [ 522.821634] stb0899_write_regs [0xf12a]: 58 >> >> > >> > > >> > > [ 522.822681] stb0899_sleep: Going to Sleep .. (Really tired .. >> :-)) >> > > >> > > So the Twinhan 1041 is quite useless for me at the moment. >> > >> > Try the following channels.conf for Astra at 19.2E: >> > >> > TVEi;CANALSATELLITE:11567:vS0C56M2:S19.2E:22000:58:59:61:0:9022:1:1024:0 >> > >> ZDF;ZDFvision:11953:hS0C34M2:S19.2E:27500:110:120=deu,121=2ch;125=deu:130:0:28006:1:1079:0 >> > >> > Then do the following (in this order): >> > 0. point dish to 19.2E. >> > 1. tune to TVEi >> > szap-s2 -a 0 -r -p -V -c ~/channels.conf.astra1 "TVEi;CANALSATELLITE" >> > >> > 2. hit ctrl-c, and wait 1 minute until the frontend sleeps (check >> dmesg) >> > >> > 3. try to tune to ZDF. It FAILS (hangs). >> > szap-s2 -a 0 -r -p -V -c ~/channels.conf.astra1 "ZDF;ZDFvision" >> > >> > 4. ctrl-c and then szap-s2 to TVEi. That WORKS. >> > >> > 5. ctrl-c and then quickly (before sleep) szap-s2 to ZDF. Now it WORKS >> > too. >> > You can keep changing to other channels provided that it is not >> allowed >> to >> > get into a sleep. >> > >> > Similar problems are seen using scan-s2 instead of szap-s2. >> >> >> For Hotbird try the following channels.conf.hotbird: >> >> BBC World News:12596:vS0C34M2:S13.0E:27500:163:92:41:0:8204:318:9400:0 >> Nile >> News:12539:hS0C34M2:S13.0E:27500:1185+1184:1187=ara:0:0:8983:318:9100:0 >> Toscana Channel:11541:vS0C56M2:S13.0E:22000:521:522:0:0:3622:200:1800:0 >> ZDF:11054:hS0C56M2:S13.0E:27500:570:571=deu:572:0:8011:318:12700:0 >> >> Then do the following (in this order): >> 0. point dish to 13.0E. >> 1. tune to Toscana Channel (or BBC World News) >> szap-s2 -a 0 -r -p -V -c ~/channels.conf.hotbird "Toscana Channel" >> >> 2. hit ctrl-c, and wait at least 1 minute until the frontend sleeps >> (check >> dmesg) >> >> 3. try to tune to Nile News (or ZDF). It FAILS (hangs with -r -p or >> doesn't lock without those options). >> szap-s2 -a 0 -r -p -V -c ~/channels.conf.hotbird "Nile News" >> >> 4. Do ctrl-c and then szap-s2 to Toscana Channel (or BBC World News). >> That >> WORKS. >> >> 5. Do ctrl-c and then quickly (before sleep) szap-s2 to Nile News (or >> ZDF). Now it >> WORKS too! >> You can keep changing to other channels provided that it is not allowed >> to >> get into a sleep. >> >> Or even simpler: >> just boot the computer (or sudo modprobe -r mantis && sudo modprobe >> mantis) >> and skip number 1 and number 2, i.e. do 0,3,4,5. >> >> > Can someone reproduce this? (or fix the problem ;-) ). >> >> 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 > > > _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
