From 363506cd71a5cafeee67b236112f1baf8c30b0ea Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Tue, 31 Jul 2012 21:28:26 +0800
Subject: [PATCH] regulator: wm831x-ldo: Check return value of
 wm831x_reg_read()

wm831x_reg_read() returns negative error code on failure.
This prevents using the error code as the value read.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Reading git-format-patch failed