E4K tuner blues

[Nikos Balkanas]

On Fri, Jan 17, 2014 at 7:55 PM, Nikos Balkanas
<nikos.balkanas at eyeonix.com>wrote:

> I need to manipulate the tuners bandpass behavior. I have exported 2 more
> functions from librtlsdr, rtlsdr_set_filter_bw and rtlsdr_get_filter_bw and
> change the channel filter. However, when I use them I get libusb error(-22)
> **UNKNOWN ERROR**.
> I have tried bracketing the call with start/stop i2c repeater and
> disable/enable channel to no avail :-(
> It errs both when setting filter to 5.5 Mhz (max) and to 2.1 Mhz (min).
> What is going on? What other context should I provide for it to work
>

I was barking up the wrong tree. Error was -EINVAL from librtlsdr. I was
passing the wrong filter argument and librtlsdr was complaining about it
:-( Fixed it, added a couple of i2c repeaters, and it works like a charm ;-)


> TIA,
> Nikos
>
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