From 6e0bb206c6af6c8775b447b2fae9209f02f13143 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Kry=C5=A1tof=20=C4=8Cern=C3=BD?= <cleverline1mc@gmail.com>
Date: Fri, 29 Nov 2024 14:25:55 +0100
Subject: [PATCH] w1: ds2482: Add regulator support
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Adds a support for attaching a supply regulator.

Signed-off-by: Kryštof Černý <cleverline1mc@gmail.com>
Link: https://lore.kernel.org/r/20241129-ds2482-add-reg-v6-3-bd95ad171e19@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/w1/masters/ds2482.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c
index ea09d2ee21cc..f8095264d82f 100644
--- a/drivers/w1/masters/ds2482.c
+++ b/drivers/w1/masters/ds2482.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/delay.h>
+#include <linux/regulator/consumer.h>
 
 #include <linux/w1.h>
 
@@ -445,6 +446,7 @@ static int ds2482_probe(struct i2c_client *client)
 	int err = -ENODEV;
 	int temp1;
 	int idx;
+	int ret;
 
 	if (!i2c_check_functionality(client->adapter,
 				     I2C_FUNC_SMBUS_WRITE_BYTE_DATA |
@@ -455,6 +457,10 @@ static int ds2482_probe(struct i2c_client *client)
 	if (!data)
 		return -ENOMEM;
 
+	ret = devm_regulator_get_enable(&client->dev, "vcc");
+	if (ret)
+		return dev_err_probe(&client->dev, ret, "Failed to enable regulator\n");
+
 	data->client = client;
 	i2c_set_clientdata(client, data);
 
-- 
2.25.1