From: Svyatoslav Ryhel <clamor95@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>,
Jean Delvare <jdelvare@suse.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v1 2/2] hwmon: ina2xx: add optional regulator support
Date: Wed, 8 Mar 2023 11:40:24 +0200 [thread overview]
Message-ID: <20230308094024.14115-3-clamor95@gmail.com> (raw)
In-Reply-To: <20230308094024.14115-1-clamor95@gmail.com>
Some devices may need a specific supply provided
for this sensor to work properly, like p895 does.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
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
next prev parent reply other threads:[~2023-03-08 9:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-08 9:40 [PATCH v1 0/2] Add optional power supply for INA2XX Svyatoslav Ryhel
2023-03-08 9:40 ` [PATCH v1 1/2] dt-bindings: hwmon: ina2xx: add supply property Svyatoslav Ryhel
2023-03-08 10:27 ` Krzysztof Kozlowski
2023-03-08 10:32 ` Svyatoslav Ryhel
2023-03-08 10:36 ` Krzysztof Kozlowski
2023-03-08 11:35 ` Guenter Roeck
2023-03-08 11:54 ` Svyatoslav Ryhel
2023-03-08 12:54 ` Mark Brown
2023-03-08 12:58 ` Svyatoslav Ryhel
2023-03-08 13:13 ` Krzysztof Kozlowski
2023-03-08 13:46 ` Mark Brown
2023-03-08 14:01 ` Svyatoslav Ryhel
2023-03-08 14:37 ` Krzysztof Kozlowski
2023-03-08 14:38 ` Mark Brown
2023-03-08 9:40 ` Svyatoslav Ryhel [this message]
2023-03-08 10:25 ` [PATCH v1 2/2] hwmon: ina2xx: add optional regulator support Krzysztof Kozlowski
2023-03-08 10:35 ` Svyatoslav Ryhel
2023-03-08 10:37 ` Krzysztof Kozlowski
2023-03-08 11:13 ` Guenter Roeck
2023-03-08 11:19 ` Svyatoslav Ryhel
2023-03-08 11:32 ` Lars-Peter Clausen
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