From 14ee64f438b8e85d1c78939d301956d9a775cc9a Mon Sep 17 00:00:00 2001
From: Octavian Purdila <octavian.purdila@intel.com>
Date: Sat, 31 Jan 2015 02:00:05 +0200
Subject: [PATCH] iio: bmc150: exit early if event / trigger state is not
 changed

Previous of this patch the check was only done if we enabled the event
and it was already enabled. We can do the same if the event is
disabled and we want to disable it.

The patch also adds the same check on the trigger code.

Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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