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freshmeat: Speeding up Linux Device Driver Development

Feb 24, 2001, 22:00 (17 Talkback[s])
(Other stories by Vlatko Kosturjak)

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"Recently, I got a Logitech USB Web camera which I wanted to use with my laptop, which is running Linux Mandrake. I eagerly connected it. The USB daemon recognized that I had plugged in a device and tried to find a module which would be suitable for it. Unfortunately, none was found. At that point, I knew Hell was waiting for me. I searched the Web and Usenet for information on how to make my new camera work under Linux, but with no luck. I read the kernel documentation about Logitech Web cameras. I even found some support, but only for the parallel version. The documentation also stated that Logitech refuses to give any specs or info on their products. I downloaded the 2.4 kernel, compiled and installed it -- but still with no luck. I even thought about modifying that parallel driver to support USB, but had no time for that."

"As an average programmer, I'm skilled enough to make necessary modifications to the kernel, but an average desktop user surely won't cope with it; he has problems even with compiling downloaded kernel source. In order for Linux to become a desktop OS, this should be fixed very soon."

"Not very happy with the situation, I decided to write this article and share some ideas on how things should be done to improve device drivers for various hardware devices under Linux."

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