hwmon: (sht15) Use devm_regulator_get_optional()

Since the sht15 driver supports operation without an external vref
regulator the driver should use the new devm_regulator_get_optional() to
indicate that a stub regulator should not be provided.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 2507f902fb7a..ab5dc3af4cfb 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -957,7 +957,7 @@ static int sht15_probe(struct platform_device *pdev)
          * If a regulator is available,
          * query what the supply voltage actually is!
          */
-        data->reg = devm_regulator_get(data->dev, "vcc");
+        data->reg = devm_regulator_get_optional(data->dev, "vcc");
         if (!IS_ERR(data->reg)) {
                 int voltage;