Vivanco DVB-T Hybrid Cardbus (LR502) dosn't work

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Hallo,

i have a Vivanco DVB-T Hybrid Cardbus (Card=94), it is the same like
Lifeview DVB-T Hybrid Cardbus.
The Adapter works for a long time, but since two weeks it is not
possible to use the DVB-T Tuner.
Analog TV and Radio works good. 
dmesg show this lines after reboot:

...
tda1004x: setting up plls for 48MHz sampling clock
tda1004x: timeout waiting for DSP ready
tda1004x: found firmware revision 0 -- invalid
tda1004x: trying to boot from eeprom
tda1004x: found firmware revision 0 -- invalid
tda1004x: waiting for firmware upload...
tda1004x: found firmware revision 29 -- ok
...

I think that looks ok.

But if i start kaffeine i get sometime this:

...
tda1004x: setting up plls for 48MHz sampling clock
tda1004x: timeout waiting for DSP ready
tda1004x: found firmware revision 0 -- invalid
tda1004x: trying to boot from eeprom
tda1004x: found firmware revision 0 -- invalid
tda1004x: waiting for firmware upload...
tda1004x: found firmware revision 5e -- invalid
tda 1004x: firmware upload failed
...

But then i delete the firmware and reboot and then start kaffeine and do
a channelscan  i get an error because the firmware is not found. Then i
copy the firmware to /lib/firmware (dont leave kaffeine) and start a new
channelscan and it works. I get then this:

...
tda1004x: setting up plls for 48MHz sampling clock
tda1004x: timeout waiting for DSP ready
tda1004x: found firmware revision 0 -- invalid
tda1004x: trying to boot from eeprom
tda1004x: found firmware revision 0 -- invalid
tda1004x: waiting for firmware upload...
tda1004x: found firmware revision 29 -- ok
...

and i can scan the chanels, but some times then i switch  the channel or
leave kaffeine and start it again i get the same massage like above:

...
tda1004x: setting up plls for 48MHz sampling clock
tda1004x: timeout waiting for DSP ready
tda1004x: found firmware revision 0 -- invalid
tda1004x: trying to boot from eeprom
tda1004x: found firmware revision 0 -- invalid
tda1004x: waiting for firmware upload...
tda1004x: found firmware revision 5e -- invalid
tda 1004x: firmware upload failed
...

What is wrong?

My System: SuSe Linux 10.2 kernel 2.6.8, V4L-DVB from linuxtv.org

also tested kernel 2.6.21, 2.6.22 with V4L-DVB from linuxtv.org with the
same result

please help.




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