[ivtv-users] cx18: horizontal sync issue with analog composite 1 input
Tom Ryan
tomryan at camlaw.rutgers.edu
Wed Jul 29 18:19:59 CEST 2009
On 7/29/09 12:21 AM, "Andy Walls" <awalls at radix.net> wrote:
>
> I have added a user control to the cx18 driver in a patch here:
>
> http://linuxtv.org/hg/~awalls/v4l-dvb/
> http://linuxtv.org/hg/~awalls/v4l-dvb/rev/2ef91a4f42a9
>
> With the patched driver, turning on the extra +12dB of gain should be as
> simple as this:
>
> $ v4l2-ctl -i2
> $ v4l2-ctl -L
> $ v4l2-ctl -c extra_12db_gain=1
>
> This control only boosts Luma (Y) and Chroma (C, Pb, Pr) signals and not
> the tuner SIF audio. It will re-adjust on input switches between Tuner,
> CVBS, and SVideo to keep boosting (or not) the Luma and Chroma signals
> for the new input configuration.
>
No luck with the patch :(
extra_12db_gain (bool) : default=0 value=1
We are going to go the composite->rf adapter way since that appears to be
the cheapest fix.
Thanks for your efforts, I appreciate them.
Tom
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