Re: [linux-dvb] Tuning problem with some Frequencies qt1010, dvb_usb_gl861 (MSI Mega Sky 580)

2007-09-28 Thread Roland Marcus Rutschmann
On Thursday 27 September 2007 17:25, Antti Palosaari wrote:
 hi,

Hi,

 Roland Marcus Rutschmann wrote:
  With another dvb-t stick under linux and the MSI Mega Sky under Windows I
  get 11 Programms in 3 frequency-bands, with MSI under Linux I cannot tune
  to  the 3 programms of the frequency-band around 530MHz. Other
  frequencies work fine.

 Known problem. Performance is bad due to zl10353 demodulator driver and


While this is most unfortunate I thank you very much for the message as it 
saves me from countless hours on the internet trying to solve the problem.

Thanks,

Roland

-- 
Roland Marcus Rutschmann [EMAIL PROTECTED]


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Re: [linux-dvb] Tuning problem with some Frequencies qt1010, dvb_usb_gl861 (MSI Mega Sky 580)

2007-09-28 Thread Kevin R. Page
On Thu, 2007-09-27 at 18:25 +0300, Antti Palosaari wrote:
 Known problem. Performance is bad due to zl10353 demodulator driver
 and 
 also qt1010 needs some changes after demodulator driver fix. 

Would this also affect the USB stick identified as:
DVB: registering new adapter (WideView WT-220U PenType Receiver (based
on ZL353)) ?

(Its' a Freecom stick)

When tuning it needs to be given the centre frequency of the mux
_without_ offset, but it seems to then pass back out the tuned frequency
including the offset.

(Or at least I'm guessing this is where MythTV gets the frequency from;
but then when Myth tries to use a channel on this mux/freq it won't work
- as the stick needs the frequency without offset. Scan also generates
incorrect channels.conf)

As with Roland it would be great to know if this is the case, as it'll
end my searching for a solution as to what's going on!

Regards,

kev.


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[linux-dvb] Tuning problem with some Frequencies qt1010, dvb_usb_gl861 (MSI Mega Sky 580)

2007-09-27 Thread Roland Marcus Rutschmann
Hi,

I have a problem with the tuning frequency 530 MHz.

With another dvb-t stick under linux and the MSI Mega Sky under Windows I get 
11 Programms in 3 frequency-bands, with MSI under Linux I cannot tune to  the 
3 programms of the frequency-band around 530MHz. Other frequencies work fine.

scanning de-Regensburg
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 19150 1 2 9 1 1 2 0
initial transponder 53000 0 2 9 1 1 3 0
initial transponder 73000 0 2 9 1 1 3 0
 tune to: 
19150:INVERSION_AUTO:BANDWIDTH_7_MHZ:FEC_2_3:FEC_AUTO:QAM_16:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE
0x 0x0020: pmt_pid 0x0200 BR -- Das Erste (running)
0x 0x0002: pmt_pid 0x0020 BR -- arte (running)
0x 0x0003: pmt_pid 0x0030 BR -- Phoenix (running)
0x 0x0006: pmt_pid 0x0060 BR -- EinsPlus (running)
Network Name 'ARD Bayern'
 tune to: 
53000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_16:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_4:HIERARCHY_NONE
WARNING:  tuning failed!!!

The initial scan file works fine with another dvb-t stick (terratec cinergy) 
and fits the information for hohe Leuchte in
http://dvb-t.the-media-channel.com/bayern/dvb-t-ostbayern.html

I had some messages like:
qt1010 I2C read failed
qt1010 I2C write failed

which I got rid from with this hint:

http://www.mail-archive.com/linux-dvb%40linuxtv.org/msg25733.html

but the tuning problem persists. If anybody got a hint for me, I'd be very 
happy.

Thanks,

Roland




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Roland Marcus Rutschmann [EMAIL PROTECTED]


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Re: [linux-dvb] Tuning problem with some Frequencies qt1010, dvb_usb_gl861 (MSI Mega Sky 580)

2007-09-27 Thread Antti Palosaari
hi,

Roland Marcus Rutschmann wrote:
 With another dvb-t stick under linux and the MSI Mega Sky under Windows I get 
 11 Programms in 3 frequency-bands, with MSI under Linux I cannot tune to  the 
 3 programms of the frequency-band around 530MHz. Other frequencies work fine.

Known problem. Performance is bad due to zl10353 demodulator driver and 
also qt1010 needs some changes after demodulator driver fix. But I 
cannot fix it because I don't know what is the meaning of some zl10353 
registers needed to get it working better. I wonder if those are for 
AGC2... Same demodulator driver is used by too many cards, therefore it 
is hard to change without knowing exactly what to do.

 I had some messages like:
 qt1010 I2C read failed
 qt1010 I2C write failed
 
 which I got rid from with this hint:
 
 http://www.mail-archive.com/linux-dvb%40linuxtv.org/msg25733.html

This can be fixed :) But unfortunately it does not have nothing to do 
with tuning problem :[

/antti

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