[linux-dvb] HVR1200 / HVR1700 / TDA10048 support

Steven Toth stoth at linuxtv.org
Tue Apr 22 04:12:42 CEST 2008


hermann pitton wrote:
> Hi, Trevor and Amitay,
> 
> Am Dienstag, den 22.04.2008, 07:38 +1000 schrieb Trevor Boon:
>> Hi Amitay,
>>
>> I specified the i2c_scan=1 option in my
>> /etc/modprobe.d/saa7134 file and the following
>> addresses were returned..
>>
>> saa7130[0]: i2c scan: found device @ 0xa0  [eeprom]
>> saa7130[0]: i2c scan: found device @ 0xc0  [tuner
>> (analog)]
>>
>> Regards,
>> Trevor.
>>
> 
> the 0x10 >> 1 for the digital demod is in the eeprom, if it follows
> usual rules, at least the tuner is correct there.
> 
> Likely there are more possibilities, why the tda10048 does not appear,
> powered off for example to safe energy, but since you also had a crash
> previously, try a cold boot at first, means wait some time without any
> power connected, depending on capacitors of the mobo, but 30 seconds
> without any power should be always safe, and then just let it auto
> detect card=0 without a tuner again and let i2c_scan=1 enabled one more
> time.
> 
> If still the same, you are likely above that basic testing step and can
> scratch heads on what doing next.

If this doesn't work then you may need to drive a GPIO to being the part 
out of reset.

- Steve



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