From c22d2672c826a67a84fa60c17797315f4c94cedb Mon Sep 17 00:00:00 2001
From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Mon, 29 Dec 2014 10:27:21 +0000
Subject: [PATCH] iio: mxs-lradc: check ranges of ts properties

The devicetree binding for mxs-lradc defines ranges for the
touchscreen properties. In order to avoid unexpected behavior like
division by zero, we better check these ranges during probe and
abort in error case.

Additionally this patch adds an important note from the reference
manual about the range of sample delay.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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