From 842cd100441e8542e2b0859a898220ee32cd566e Mon Sep 17 00:00:00 2001
From: Jonathan Cameron <jic23@kernel.org>
Date: Sat, 21 Apr 2012 10:09:45 +0100
Subject: [PATCH] staging:iio: pull out demux cleanup for a particular buffer.

This will come in handy again when we move to multiple buffers
so lets pull it out into a little utility function now.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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