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Old 07-17-2009, 11:59 PM   #1
knb
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Registered: Sep 2004
Location: Bangalore, India
Distribution: Ubuntu
Posts: 4

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V4L2 / FrameBuffer LCD device drivers?


Hi,

Am trying to get a grip on the architecture/diff between V4L2 and framebuffer (FB) drivers.
I've seen several video capture V4L2 drivers (within here) as well as many FB drivers in the mainline kernel...

I specifically have 2 qs:

Q1. How exactly do V4L2 and FB (framebuffer) drivers fit together architecture-wise? Or do they at all?
Is it the case that V4L2 drivers are (always?/sometimes?) layered above the fb driver?

Q2. Are there any V4L2 drivers for LCD panels?
Is there a tutorial/howto on writing them?

Any info would help!

TIA,
kaiwan.
 
  


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