Some devices may need a specific supply provided for this sensor to work properly, like p895 does. Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx> --- drivers/hwmon/ina2xx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 00fc70305a89..4a3e2b1bbe8b 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -119,6 +119,7 @@ struct ina2xx_data { long power_lsb_uW; struct mutex config_lock; struct regmap *regmap; + struct regulator *vdd_supply; const struct attribute_group *groups[INA2XX_MAX_ATTRIBUTE_GROUPS]; }; @@ -656,6 +657,17 @@ static int ina2xx_probe(struct i2c_client *client) return PTR_ERR(data->regmap); } + data->vdd_supply = devm_regulator_get_optional(dev, "vdd"); + if (IS_ERR(data->vdd_supply)) + return dev_err_probe(dev, PTR_ERR(data->vdd_supply), + "failed to get vdd regulator\n"); + + ret = regulator_enable(data->vdd_supply); + if (ret < 0) { + dev_err(dev, "failed to enable vdd power supply\n"); + return ret; + } + ret = ina2xx_init(data); if (ret < 0) { dev_err(dev, "error configuring the device: %d\n", ret); -- 2.37.2