Hi,

I have to implement 2 filter controls: a boolean colour filter control to 
switch a fluorescent light band-stop filter on and off, and an also 
boolean control to switch a low-pass (border denoising, I think) filter. I 
found the following two filters in the existing API:

        case V4L2_CID_COLOR_KILLER:             return "Color Killer";
        case V4L2_CID_COLORFX:                  return "Color Effects";

can I use one of them for the fluorescent light filter? Which one would be 
more appropriate - COLOR_KILLER means switch to BW or only kill some 
specific colour component? As for the low-pass filter, can I use

        case V4L2_CID_SHARPNESS:                return "Sharpness";

for it? Would it then be sharpness-off == filter-on? Or shall I add new 
controls or use driver-private ones?

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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