Commit dfea5f18 authored by Petre Rodan's avatar Petre Rodan Committed by Jonathan Cameron
Browse files

iio: accel: bma220: turn power supplies on 



Add devm_regulator_bulk_get_enable() to device probe().

Signed-off-by: default avatarPetre Rodan <petre.rodan@subdimension.ro>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 4a719f18

drivers/iio/accel/bma220_core.c

+7 −0
Original line number Diff line number Diff line
@@ -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>
@@ -231,6 +232,12 @@ static int bma220_init(struct spi_device *spi) 
{

	int ret;

	struct device *dev = &spi->dev;

	static const char * const regulator_names[] = { "vddd", "vddio", "vdda" };



	ret = devm_regulator_bulk_get_enable(dev, ARRAY_SIZE(regulator_names),

					     regulator_names);

	if (ret)

		return dev_err_probe(dev, ret, "Failed to get regulators\n");



	ret = bma220_read_reg(spi, BMA220_REG_ID);

	if (ret < 0)