From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Thu, 17 Nov 2011 14:03:11 +0000 (-0200)
Subject: Remove redundant duplicate pressure samples
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=c486a9ee81de77faba90b5aa0b2e63eb11ec47f8;hp=c486a9ee81de77faba90b5aa0b2e63eb11ec47f8;p=ext%2Fsubsurface.git

Remove redundant duplicate pressure samples

At least the Suunto pressure transmitter seems to be pretty
"quantisized", and it will send identical samples for a while until the
pressure changes enough.  Then subsurface gives this silly flat line
with a sudden jump downwards, which *could* be you suddenly taking a
deep breath after holding it for a while, but almost certainly it's a
sensor issue.

So just remove successive identical pressure readings.  They aren't
interesting, and subsurface will actually do a good job of interpolating
it according to SAC rate instead.  And they just make the XML look
worse.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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