[linux-dvb] Re: Universal STV0299/TSA5059 frontend driver

[Gunther Mayer <gunther.mayer@gmx.net>]

Holger Waechtler wrote:

> Peter Schildmann wrote:
>
>> Hi,
>>
>> On Mon, Dec 09, 2002 at 12:00:28PM +0100, Holger Waechtler wrote:
>>
>>> We have to implement some autoprobing as you can see it in ves1820.c.
>>
>>
>>
>> The only possibility is to use the I2C address of the TSA5059
>> for autoprobing - not a good solution. But I suppose that
>> all boards with an identical subsystem ID are equipped with
>> the same frontend. If so we can "detect" the frontend by means
>> of the subsystem ID.
>
>
> no, it's the opposite way: There are some cards with the same 
> subsystem id but different frontends out there, so we have to use the 
> i2c addresses to perform this probing - that's the only 
> 'machine-visible' difference between the LG, the Alps and the 
> Philips-frontends based on the stv0299.

Or the vendor encoded this info in eeprom or GPIO.




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