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>
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 2507f90..ab5dc3a 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -957,7 +957,7 @@
* 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;