Re: V4L: Black and white quickcam enhancement

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 23 Jan 1999 23:37:06 +0000 (GMT)

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> > It should be ok SMP - it could be more polite thats all
>
> Any quick pointers on this? (Pointer to parts of other drivers that
> are 'nicer' would be great). I'm going to add a second CPU to this P2
> soon, so I will have some (minor) incentive to improve things here.

Basically it hogs the kernel lock. Much of that code could do
an unlock_kernel()/lock_kernel()

> breaking Connectix scheme (reset and try to handshake). I don't have a
> printer hooked up though, so it's on the 'possibly nice to make time
> for' pile.

True

> I guess I missed '5. V4L2 compatability' too.

Let the API settle first

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