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>
git-mirror · Jan 8, 2012 · 5391b5c · 5391b5c
1 parent f577234
commit 5391b5c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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;