linux-kernel - [PATCH v2 2/2] hwmon: ina2xx: add optional regulator support

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Date:   Fri,  7 Apr 2023 19:05:08 +0300
From:   Svyatoslav Ryhel <clamor95@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Svyatoslav Ryhel <clamor95@...il.com>
Cc:     linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/2] 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@...il.com>
---
 drivers/hwmon/ina2xx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 00fc70305a89..fd50d9785ccb 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);
-- 
2.37.2