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iio: bmi270: suspend and resume triggering on relevant pm operations

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Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.

Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gmail.com
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Tested-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20250525142530.71955-2-benato.denis96@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Denis Benato
2025-05-25 16:25:29 +02:00
committed by Jonathan Cameron
parent 3125a5ca45
commit cfcb44872a
4 changed files with 26 additions and 0 deletions
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2
drivers/iio/imu/bmi270/bmi270.h
View File

@@ -20,4 +20,6 @@ struct device;
int bmi270_core_probe(struct device *dev, struct regmap *regmap,
const struct bmi270_chip_info *chip_info);
extern const struct dev_pm_ops bmi270_core_pm_ops;
#endif /* BMI270_H_ */

20
drivers/iio/imu/bmi270/bmi270_core.c
View File

@@ -982,6 +982,7 @@ int bmi270_core_probe(struct device *dev, struct regmap *regmap,
indio_dev->available_scan_masks = bmi270_avail_scan_masks;
indio_dev->modes = INDIO_DIRECT_MODE;
indio_dev->info = &bmi270_info;
dev_set_drvdata(data->dev, indio_dev);
ret = bmi270_trigger_probe(data, indio_dev);
if (ret)
@@ -997,6 +998,25 @@ int bmi270_core_probe(struct device *dev, struct regmap *regmap,
}
EXPORT_SYMBOL_NS_GPL(bmi270_core_probe, "IIO_BMI270");
static int bmi270_core_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
return iio_device_suspend_triggering(indio_dev);
}
static int bmi270_core_runtime_resume(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
return iio_device_resume_triggering(indio_dev);
}
const struct dev_pm_ops bmi270_core_pm_ops = {
RUNTIME_PM_OPS(bmi270_core_runtime_suspend, bmi270_core_runtime_resume, NULL)
};
EXPORT_SYMBOL_NS_GPL(bmi270_core_pm_ops, "IIO_BMI270");
MODULE_AUTHOR("Alex Lanzano");
MODULE_DESCRIPTION("BMI270 driver");
MODULE_LICENSE("GPL");

2
drivers/iio/imu/bmi270/bmi270_i2c.c
View File

@@ -4,6 +4,7 @@
#include <linux/iio/iio.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include "bmi270.h"
@@ -52,6 +53,7 @@ static const struct of_device_id bmi270_of_match[] = {
static struct i2c_driver bmi270_i2c_driver = {
.driver = {
.name = "bmi270_i2c",
.pm = pm_ptr(&bmi270_core_pm_ops),
.acpi_match_table = bmi270_acpi_match,
.of_match_table = bmi270_of_match,
},

2
drivers/iio/imu/bmi270/bmi270_spi.c
View File

@@ -3,6 +3,7 @@
#include <linux/iio/iio.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
@@ -79,6 +80,7 @@ static const struct of_device_id bmi270_of_match[] = {
static struct spi_driver bmi270_spi_driver = {
.driver = {
.name = "bmi270",
.pm = pm_ptr(&bmi270_core_pm_ops),
.of_match_table = bmi270_of_match,
},
.probe = bmi270_spi_probe,