From: Svyatoslav Ryhel <clamor95@gmail.com>
Date: Fri, 7 Apr 2023 16:05:08 +0000 (+0300)
Subject: hwmon: ina2xx: add optional regulator support
X-Git-Tag: v6.6.17~5037^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ad20248a2d644087fc149e6a8db150bde826c16f;p=platform%2Fkernel%2Flinux-rpi.git

hwmon: ina2xx: add optional regulator support

TI ina2xx sensors according to datasheets have dedicated
vs supplies. Add it for proper work.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Link: https://lore.kernel.org/r/20230407160508.20479-3-clamor95@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---

diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 00fc703..fd50d97 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -656,6 +656,10 @@ static int ina2xx_probe(struct i2c_client *client)
 		return PTR_ERR(data->regmap);
 	}
 
+	ret = devm_regulator_get_enable(dev, "vs");
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to enable vs regulator\n");
+
 	ret = ina2xx_init(data);
 	if (ret < 0) {
 		dev_err(dev, "error configuring the device: %d\n", ret);