[PATCH] fix-lis302dl-isr-lock.patch

[Andy Green]

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Somebody in the thread at some point said:
| Andy Green wrote:
|> Well, the CPU slowed to a crawl when I used level with motion sensors is
|> why.  For a few days the svn kernel worked like crap due to it until I
|> changed it back to edge.
|
| Perhaps because clearing the interrupt source goes through a slow
| serial link ?

The ISR clears the interrupt source, what can happen until that is done
that makes everything slow?  Nothing should be happening in that time.
The ISR clears it in 75us and it is 10ms period, I didn't think of a
legitimate way it can make that trouble.

- -Andy

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