[cpia] Driver for Creative WebCAM III (and general driver design issues)

[Nicolas Roussel]

> I forgot to remember: I'm using a WebCam Creative III in paralell port.

Hum... Then I guess you might be able to use some of the cpia_pp code
and the USB OV511 driver to create a new driver.

Maybe Peter Pregler or Scott Bertin can help you with this (I don't
know the internals of the cpia_pp driver). You should also contact
Mark McClelland, the guy responsible for the OV511 USB driver.

I think this PP/USB question about the OV511 shows once again that the
drivers could be split into smaller parts. I can see at least three :
 
  - what the chip can do
  - how it is attached to the computer (here, PP/USB)

  - how the capabilities of the chip are mapped onto V4L API

The unified CPiA driver already separates the two first parts. Why not
take the V4L API out of cpia.c ? We could then have a cpia_v4l.c, a
cpia_v4l2.c or even another user space library.

Comments anybody ?

Nicolas

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Nicolas Roussel                            mailto:nicolas.roussel@gmd.de
GMD - FIT.HCI, Schloss Birlinghoven      http://www-ihm.lri.fr/~roussel/
53754 St. Augustin, Germany       phone: +49 2241 14-2154 / fax: 14-2065
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