Hello

I am asking this question for the second time.
Before I was advised to use is_tuned function, but it doesn't work for
me

I have several cameras connected to MasterVideo card with BT878 chip.
Cameras are connected with long cable, and some of them may be dead,
so I receive black screen from them.
It's okay, I don't really care about that, but BT878 turns on AGC, and
pictures from other cameras going all white. That's because cameras
are conected thru external multiplexer to one input.

Someone advised me to use is_tuned function, but it works only if
camera gives syncro signal. Although my cameras are syncing thru power
suply cable, I don't have stable picture all the time.

FYI:
I use 2.2.19 kernel with built-in driver, with my own multiplexer
patch.

Thank you in advance,
Dmitry Alexeyev
[EMAIL PROTECTED]



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