From: Ian Abbott <abbotti@mev.co.uk>
Date: Mon, 9 Jan 2012 15:47:33 +0000 (+0000)
Subject: staging: comedi: ni_pcidio: Support trailing edge external trigger
X-Git-Tag: v3.4-rc1~186^2~176^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22494ed9b8e9404d6646f85c835bcd7b37d3f562;p=pandora-kernel.git

staging: comedi: ni_pcidio: Support trailing edge external trigger

This patch is ported over by me (Ian Abbott) from the out-of-tree Comedi
git repository at "git://comedi.org/git/comedi/comedi.git".

The original patch is by Nicholas Nell.

The patch adds support for trailing (falling) edge external triggers for
scans in asynchronous command support in the ni_pcidio driver.  This is
supported at least on the PCI-DIO_32HS and PCI-6533 boards; not sure
about the other boards.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: Nicholas Nell <nicholas.nell@colorado.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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