From b3ff824a81e8978deb56f6d163479c1a0a606037 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 30 Aug 2013 11:06:17 -0700
Subject: [PATCH] staging: comedi: drivers: use comedi_dio_update_state() for
 complex cases

Use comedi_dio_update_state() to handle the boilerplate code to update
the subdevice s->state for more complex cases where the hardware is only
updated based on the 'mask' of the channels that are modified.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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