Re: [linux-dvb] NXP 18211HDC1 tuner

[Michael Krufky <mkrufky@linuxtv.org>]

Jarryd Beck wrote:
>>  I think that the tda18271 driver will work with your tuner, but we may
>>  need to make some small adjustments.  If you look in tda18271-fe.c ,
>>  you'll find the code that autodetects between a TDA18271c1 and a
>>  TDA18271c2 ...
>>     
>
> [snip]
>
> Also if I could somehow get this working with the right
> code, I don't know how to set up the values in the tda182171_config
> struct.
>   

Jarryd,

Assuming that there is no tda829x analog demod present, and that this is
a digital-only device, try something like this:

static struct tda18271_config jarryd_tda18271_config = {
	.gate = TDA18271_GATE_DIGITAL
}


You should leave .std_map as NULL unless you need to override the default values per standard.

The value in the ".std_bits" corresponds to the lower five bits in EP3 (register 0x05 [4:0])

Most likely, the driver's default setting will work for you, but you
may find that the vendor chose a different value if you sniff the usb
traffic from the windows driver.  This value is directly tied to the IF
frequency between the tuner and demod.

-Mike Krufky


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