From 2deaf23b226ee3fe1ebda8fadf26855b88bf251f Mon Sep 17 00:00:00 2001
From: Hartmut Knaack <knaack.h@gmx.de>
Date: Sun, 16 Feb 2014 12:02:00 +0000
Subject: [PATCH] staging:iio:ad799x use regulator for vref

Switch the ad799x driver to use the regulator framework and add binding for reference voltage.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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