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iio: bmi160: 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>
Link: https://patch.msgid.link/20250525142530.71955-3-benato.denis96@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Denis Benato 2025-05-25 16:25:30 +02:00 committed by Jonathan Cameron
parent cfcb44872a
commit 60295feef9
4 changed files with 25 additions and 0 deletions
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2
drivers/iio/imu/bmi160/bmi160.h
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@ -28,4 +28,6 @@ int bmi160_enable_irq(struct regmap *regmap, bool enable);
int bmi160_probe_trigger(struct iio_dev *indio_dev, int irq, u32 irq_type);
extern const struct dev_pm_ops bmi160_core_pm_ops;
#endif /* BMI160_H_ */

19
drivers/iio/imu/bmi160/bmi160_core.c
View File

@ -890,6 +890,25 @@ int bmi160_core_probe(struct device *dev, struct regmap *regmap,
}
EXPORT_SYMBOL_NS_GPL(bmi160_core_probe, "IIO_BMI160");
static int bmi160_core_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
return iio_device_suspend_triggering(indio_dev);
}
static int bmi160_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 bmi160_core_pm_ops = {
RUNTIME_PM_OPS(bmi160_core_runtime_suspend, bmi160_core_runtime_resume, NULL)
};
EXPORT_SYMBOL_NS_GPL(bmi160_core_pm_ops, "IIO_BMI160");
MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
MODULE_DESCRIPTION("Bosch BMI160 driver");
MODULE_LICENSE("GPL v2");

2
drivers/iio/imu/bmi160/bmi160_i2c.c
View File

@ -11,6 +11,7 @@
#include <linux/i2c.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include "bmi160.h"
@ -69,6 +70,7 @@ MODULE_DEVICE_TABLE(of, bmi160_of_match);
static struct i2c_driver bmi160_i2c_driver = {
.driver = {
.name = "bmi160_i2c",
.pm = pm_ptr(&bmi160_core_pm_ops),
.acpi_match_table = bmi160_acpi_match,
.of_match_table = bmi160_of_match,
},

2
drivers/iio/imu/bmi160/bmi160_spi.c
View File

@ -7,6 +7,7 @@
*/
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/spi/spi.h>
@ -61,6 +62,7 @@ static struct spi_driver bmi160_spi_driver = {
.acpi_match_table = bmi160_acpi_match,
.of_match_table = bmi160_of_match,
.name = "bmi160_spi",
.pm = pm_ptr(&bmi160_core_pm_ops),
},
};
module_spi_driver(bmi160_spi_driver);