Introduction - If you have any usage issues, please Google them yourself
I recently had the opportunity to write the driver a camera, is "One laptop per child" project dedicated camera.
This driver uses the kernel designed for this purpose API: the Video4Linux2 API. In the course of writing this driver,
I found a surprising question: the API documentation work done is not very good, but the document is written user level
, In fact, quite good. In order to remedy the current situation, LWN will write a series of articles in the coming months, the
Tell you how to write V4L2 interface driver.