Am 08.02.2010 12:37, schrieb Mauro Carvalho Chehab:
> Mauro Carvalho Chehab wrote:
>   
>>> +           tm6000_read_write_usb (dev, 0xc0, 0x10, 0x7f1f, 0x0000, buf, 2);
>>>       
>   
>> Most of the calls there are read (0xc0). I don't know any device that 
>> requires
>> a read for it to work. I suspect that the above code is just probing to check
>> what i2c devices are found at the board.
>>     
> Btw, by looking at drivers/media/dvb/frontends/zl10353_priv.h, we have an idea
> on what the above does:
>
> The register 0x7f is:
>
>         CHIP_ID            = 0x7F,
>
> So, basically, the above code is reading the ID of the chip, likely to be 
> sure that it
> is a Zarlink 10353.
>
> Cheers,
> Mauro
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>   

yes, but that's for activating Zarlink zl10353 and checking it --> hello
Zarlink? If doesn't use that sequence, then cannot use Zarlink zl10353.

-- 
Stefan Ringel <stefan.rin...@arcor.de>

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