Accelerometers in Kernel 2.6.28-rc4

Andy Green andy at openmoko.com
Sun Jan 25 13:34:11 CET 2009


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Somebody in the thread at some point said:
|> are you sure this isn't just the synchronization events?
|
| For me the problem looks like this.
|
| |type| |code|  |-value-|
| 0006   0000   0000   0000  0000  -> Seperator time 1
| 0006   0002   0000   0048  0000  -> Value X1
| 0006   0002   0001   0024  0000  -> Value Y1
| 0006   0002   0002   0396  0000  -> Value Z1
| 0006   0000   0000   0000  0000  -> Seperator time 2 (0.2ms higher
than time1)
| 0006   0002   0000   0048  0000  -> Value X2 (the same X1 )

This is reminding me of a problem we have with level interrupts on
pcf50633 new driver, we also get twice the same interrupt there although
the density of interrupts is so low and logically it cannot get confused
so it doesn't make trouble.

We also changed lis302dl to use level interrupts so it's suspicious now
we see this behaviour that is so similar.

- -Andy


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