Kworld ATSC-110 Antenna1/2 select
- From: Michael Krufky <mkrufky (at) linuxtv.org>
- Date: Fri, 16 Feb 2007 13:38:29 -0500
Puff wrote:
> Hi all,
>
> Back in Jan, 2007 a few threads appeared regarding the
> 2 RF input port of the Kworld ATSC-110 (e.g.,
> https://www.redhat.com/mailman/private/video4linux-list/2007-January/msg00322.html)
>
> I shared an interest in conveniently switching from
> analogue TV input between either RF ports (along with
> a few other interested parties). I emailed Kworld and
> a sympathetic techie send me a copy of the Philips
> TUV1236D NIM data sheet. With the help of this info,
> I experimented with code changes which:
>
> + defined each RF port as separate inputs: Antenna1,
> Antenna2 (in addition to the Composite and S-Video)
> [in saa7134-cards.c];
>
> + set the appropriate bits in the I2C commands to the
> TUV1236D to select the appropriate RF input when
> setting the tuner to an analogue channel [in
> tuner-simple.c].
>
> The code changes seem to work OK with KDEtv and TVtime
> - no detected problems. The code, unfortunately, does
> not select the RF input when ATSC is selected - the
> existing code defaults to Antenna1 if 8VSB, i.e. a
> digital channel, is being tuned.
>
> Is anyone interested in the code? If so, please let
> me know how these changes may be integrated into the
> v4l-dvb code repository.
Please generate a diff from within your hg tree as follows:
hg diff > atsc110-rf-select.patch
Then email that patch to the list, following the guidelines here:
http://linuxtv.org/hg/v4l-dvb?f=-1;file=README.patches
We can discuss the changes after you email the list, so that we can all see the
changes in question.
Cheers,
Mike Krufky
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