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framebuffer overlay


I am trying to write a driver for a camera using the new soc_camera in the mainline kernel the output is the overlay framebuffer (pxa270) and i would like to use the overlay output feature of v4l2 framework, but the framebuffer does not expose itself as a output device (not yet).

Are there any fb that i can use as an example for this?

From looking at the driver code, it seems like the generic code of fbmem.c needs a v4l2 device. Is this in the right ballpark?


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