From 79fa64eb2ee8ccb4bcad7f54caa2699730b10b22 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Tue, 4 Nov 2014 18:03:15 +0100
Subject: [PATCH] staging:iio:ade7758: Fix check if channels are enabled in
 prenable

We should check if a channel is enabled, not if no channels are enabled.

Fixes: 550268ca1111 ("staging:iio: scrap scan_count and ensure all drivers use active_scan_mask")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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