Thread (45 messages) 45 messages, 4 authors, 2011-12-31

Re: [PATCH 02/21] [media] tuner/xc2028: Fix frequency offset for radio mode.

From: Thierry Reding <hidden>
Date: 2011-09-02 08:19:09

* Andrew Goff wrote:
Hi Thierry,

I have been having problems with the radio tuner in my leadtek 1800h
card. This card has the xc2028 tuner. Using fmtools i would get an
error message similar to - frequency out of range 0.0 - 0.0.

After seeing you patches at the beginning of last month I installed
the recent drivers at the time and applied your patches. The
frequency out of range error went away but the only sound I got was
static. I then discovered the frequency is out by 2.7MHz, so if I
want to listen to 104.9 I need to tune the radio to 107.6.

On Ubuntu 10.04 the card works fine, the errors started when
applying the recent V4L drivers that I require for another card.

Are you able to help resolve this problem and get this card working
properly again.
So you are saying that the card was previously working for you, but when you
apply the xc2028 patches from my series on top the tuning is off by 2.7 MHz?

I don't know the Leadtek 1800 at all, but perhaps it's actually compensating
for the offset before passing the frequency to the tuner?

Thierry

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