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>
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 3b76189..f5e54fa 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -559,6 +559,8 @@
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;