From 47ef0501a9cc25c88dcac2b57ed3bab4da53f3d5 Mon Sep 17 00:00:00 2001
From: Nuno Sa <nuno.sa@analog.com>
Date: Thu, 4 Apr 2024 10:58:18 +0200
Subject: [PATCH] iio: temperature: ltc2983: support vdd regulator

Add support for the power supply regulator.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240404-ltc2983-misc-improv-v5-2-c1f58057fcea@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/temperature/ltc2983.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c
index 3c4524d57b8e..24d19f3c7292 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/property.h>
 #include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>
 
 #include <asm/byteorder.h>
@@ -1597,6 +1598,10 @@ static int ltc2983_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
+	ret = devm_regulator_get_enable(&spi->dev, "vdd");
+	if (ret)
+		return ret;
+
 	gpio = devm_gpiod_get_optional(&st->spi->dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);