[PATCH 3/3] fix-lis302dl-dont-reset-hpf-each-time.patch

Andy Green andy at openmoko.com
Tue Feb 3 11:50:38 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| On Tue, 03 Feb 2009 10:33:10 +0000
| Andy Green <andy at openmoko.com> wrote:
|> | I don't quite remember, but I think it was that the threshold is
|> | checked relative to the last time the filter was reset, so if you
|> | don't reset it you won't get any more data.  Unfortunately the data
|> | sheet is not overly clear about how the HP filter is actually
|> | supposed to work.
|> I wonder if something else is broken behind that to do with the
|> reports about inverted threshold sense we can't reproduce.
| Yep, that was a bit of a mystery. Not much has changed between .24
| and .28 and I couldn't see anything that would cause an error like
| that.

As you mentioned the datasheets are not that forthcoming about internal
structure of it to figure out how all these options relate together.

| Sorry if the threshold stuff is causing Openmoko problems by the way!
| I've wanted to get back looking at Openmoko things for a while, but
| have unfortunately had other fun things to work on recently :-)

No worries, we're grateful for what you've done :-)

- -Andy
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