linux-kernel - [PATCH v4 4/6] iio: temperature: ltc2983: support vdd regulator

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Message-Id: <20240328-ltc2983-misc-improv-v4-4-0cc428c07cd5@analog.com>
Date: Thu, 28 Mar 2024 17:22:04 +0100
From: Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@...nel.org>
To: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, 
 devicetree@...r.kernel.org
Cc: Nuno Sá <nuno.sa@...log.com>, 
 Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Olivier Moysan <olivier.moysan@...s.st.com>, 
 Jyoti Bhayana <jbhayana@...gle.com>
Subject: [PATCH v4 4/6] iio: temperature: ltc2983: support vdd regulator

From: Nuno Sa <nuno.sa@...log.com>

Add support for the power supply regulator.

Signed-off-by: Nuno Sa <nuno.sa@...log.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 b4a8ca36458a..ff7f0829b575 100644
--- a/drivers/iio/temperature/ltc2983.c
+++ b/drivers/iio/temperature/ltc2983.c
@@ -18,6 +18,7 @@
 #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>
@@ -1574,6 +1575,10 @@ 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(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(gpio))
 		return PTR_ERR(gpio);

-- 
2.44.0