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Query regarding V4l2 and VideoBuf buffers


I am writing a modules where i have allocated a buffer using kmalloc.I need to pass this buffer to be accessed by v4l2_driver.
I have my own buffer structure in which i embed my meta data.I want that this buffer to be recognised by v4l2_driver.
Can anyone just tell as to how to corelate this two things?

Thanks a lot

 Rohit Vashist

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