[PATCH v4] drivers: hwmon: max31827: handle vref regulator

[Antoniu Miclaus]

Add missing implementation for the max31827 supply regulator.
This is a hardware required property that is not handled.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@xxxxxxxxxx>
---
changes in v4:
 - remove "vref" from the dev_err_probe string.
 drivers/hwmon/max31827.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hwmon/max31827.c b/drivers/hwmon/max31827.c
index 602f4e4f81ff..0508b020a408 100644
--- a/drivers/hwmon/max31827.c
+++ b/drivers/hwmon/max31827.c
@@ -427,6 +427,10 @@ static int max31827_probe(struct i2c_client *client)
 		return dev_err_probe(dev, PTR_ERR(st->regmap),
 				     "Failed to allocate regmap.\n");
 
+	err = devm_regulator_get_enable(dev, "vref");
+	if (err)
+		return dev_err_probe(dev, err, "failed to enable regulator\n");
+
 	err = max31827_init_client(st);
 	if (err)
 		return err;
-- 
2.42.0