[PATCH 2/2] iio: temperature: tmp117: add support for vcc-supply

[Marco Felsch <m.felsch@pengutronix.de>]

From: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>

Add support to specify the VCC supply which is required to power the
device.

Signed-off-by: Thomas Haemmerle <thomas.haemmerle@leica-geosystems.com>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 drivers/iio/temperature/tmp117.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/iio/temperature/tmp117.c b/drivers/iio/temperature/tmp117.c
index 059953015ae7..69328066811a 100644
--- a/drivers/iio/temperature/tmp117.c
+++ b/drivers/iio/temperature/tmp117.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/limits.h>
 #include <linux/property.h>
+#include <linux/regulator/consumer.h>
 
 #include <linux/iio/iio.h>
 
@@ -152,6 +153,10 @@ static int tmp117_probe(struct i2c_client *client)
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA))
 		return -EOPNOTSUPP;
 
+	ret = devm_regulator_get_enable(&client->dev, "vcc");
+	if (ret)
+		return ret;
+
 	dev_id = i2c_smbus_read_word_swapped(client, TMP117_REG_DEVICE_ID);
 	if (dev_id < 0)
 		return dev_id;
-- 
2.39.2