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[linux-dvb] Re: tuning problems wih dvb-kernel



Instead of modifying the sources, you could simply have edited the
channels.conf file and change the "INVERSION_AUTO" setting to either
"INVERSION_ON" or "INVERSION_OFF".

The automatic spectral inversion detection code (which is just a few lines
below the part you edited) appears not to work reliably...

Regards,
--
Robert Schlabbach
e-mail: robert_s@gmx.net
Berlin, Germany

----- Original Message -----
From: "Andreas 'powARman' Regel" <andreas.regel@gmx.de>
To: <linux-dvb@linuxtv.org>
Sent: Tuesday, December 23, 2003 2:02 PM
Subject: [linux-dvb] Re: tuning problems wih dvb-kernel


> Hi, me again :-)
>
> > I did some further investigations using czap. I discovered that tuning
> > works exactly every second try, the next try always doesn't work
>
> I tracked this down to function ves1820_setup_reg0 in ves1820.c. Value
> of reg0 at the beginning of this function changes from value 0x48 to
> 0x68 or from 0x68 to 0x48 with every call. If reg0 is 0x48 tuning will
> work, if reg0 is 0x68 tuning will fail.
>
> I did a test and inserted
>   reg = 0x48;
> right after
>   reg0 |= GET_REG0(fe->data) & 0x62;
> Now tuning works everytime with my setup here and is very fast.
>
> Andreas




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