From 5391b5c645a86d4657c2175acbf21c6461d34849 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Mon, 5 Dec 2011 12:01:07 +0000
Subject: [PATCH] mfd: Return an error on failed wm831x register writes

Got dropped in the regmap conversion.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
 drivers/mfd/wm831x-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 3b761893f9ba..f5e54fae8ada 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -559,6 +559,8 @@ static int wm831x_write(struct wm831x *wm831x, unsigned short reg,
 		dev_vdbg(wm831x->dev, "Write %04x to R%d(0x%x)\n",
 			 buf[i], reg + i, reg + i);
 		ret = regmap_write(wm831x->regmap, reg + i, buf[i]);
+		if (ret != 0)
+			return ret;
 	}
 
 	return 0;