linux-kernel - [PATCH v2 06/14] iio: accel: bma220: add get regulator check

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Message-Id: <20250910-bma220_improvements-v2-6-e23f4f2b9745@subdimension.ro>
Date: Wed, 10 Sep 2025 10:57:11 +0300
From: Petre Rodan <petre.rodan@...dimension.ro>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>, 
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Petre Rodan <petre.rodan@...dimension.ro>
Subject: [PATCH v2 06/14] iio: accel: bma220: add get regulator check

Add devm_regulator_bulk_get_enable() to device probe().

Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
---
no change
---
 drivers/iio/accel/bma220_core.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/iio/accel/bma220_core.c b/drivers/iio/accel/bma220_core.c
index 6bc2e5c3fb6cebd50209acbcc2d5340630c27cd1..b6f1374a9cca52966c1055113710061a7284cf5a 100644
--- a/drivers/iio/accel/bma220_core.c
+++ b/drivers/iio/accel/bma220_core.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/pm.h>
+#include <linux/regulator/consumer.h>
 #include <linux/types.h>
 #include <linux/spi/spi.h>
 
@@ -205,6 +206,13 @@ static const struct iio_info bma220_info = {
 static int bma220_init(struct spi_device *spi)
 {
 	int ret;
+	static const char * const regulator_names[] = { "vddd", "vddio", "vdda" };
+
+	ret = devm_regulator_bulk_get_enable(&spi->dev,
+					     ARRAY_SIZE(regulator_names),
+					     regulator_names);
+	if (ret)
+		return dev_err_probe(&spi->dev, ret, "Failed to get regulators\n");
 
 	ret = bma220_read_reg(spi, BMA220_REG_ID);
 	if (ret != BMA220_CHIP_ID)

-- 
2.49.1