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Message-ID: <20240807185619.7261-3-benato.denis96@gmail.com>
Date: Wed, 7 Aug 2024 20:56:19 +0200
From: Denis Benato <benato.denis96@...il.com>
To: Jonathan Cameron <jic23@...nel.org>
Cc: Lars-Peter Clausen <lars@...afoo.de>,
Jagath Jog J <jagathjog1996@...il.com>,
linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org,
Denis Benato <benato.denis96@...il.com>,
"Luke D . Jones" <luke@...nes.dev>,
Jonathan LoBue <jlobue10@...il.com>
Subject: [PATCH v3 2/2] iio: bmi323: suspend and resume triggering on relevant pm operations
Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.
Signed-off-by: Denis Benato <benato.denis96@...il.com>
---
drivers/iio/imu/bmi323/bmi323.h | 1 +
drivers/iio/imu/bmi323/bmi323_core.c | 23 +++++++++++++++++++++++
drivers/iio/imu/bmi323/bmi323_i2c.c | 1 +
drivers/iio/imu/bmi323/bmi323_spi.c | 1 +
4 files changed, 26 insertions(+)
diff --git a/drivers/iio/imu/bmi323/bmi323.h b/drivers/iio/imu/bmi323/bmi323.h
index dff126d41658..209bccb1f335 100644
--- a/drivers/iio/imu/bmi323/bmi323.h
+++ b/drivers/iio/imu/bmi323/bmi323.h
@@ -205,5 +205,6 @@
struct device;
int bmi323_core_probe(struct device *dev);
extern const struct regmap_config bmi323_regmap_config;
+extern const struct dev_pm_ops bmi323_core_pm_ops;
#endif
diff --git a/drivers/iio/imu/bmi323/bmi323_core.c b/drivers/iio/imu/bmi323/bmi323_core.c
index d708d1fe3e42..4b2b211a3e88 100644
--- a/drivers/iio/imu/bmi323/bmi323_core.c
+++ b/drivers/iio/imu/bmi323/bmi323_core.c
@@ -2121,6 +2121,29 @@ int bmi323_core_probe(struct device *dev)
}
EXPORT_SYMBOL_NS_GPL(bmi323_core_probe, IIO_BMI323);
+#if defined(CONFIG_PM)
+static int bmi323_core_runtime_suspend(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+
+ return iio_device_suspend_triggering(indio_dev);
+}
+
+static int bmi323_core_runtime_resume(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+
+ return iio_device_resume_triggering(indio_dev);
+}
+
+#endif
+
+const struct dev_pm_ops bmi323_core_pm_ops = {
+ SET_RUNTIME_PM_OPS(bmi323_core_runtime_suspend,
+ bmi323_core_runtime_resume, NULL)
+};
+EXPORT_SYMBOL_NS_GPL(bmi323_core_pm_ops, IIO_BMI323);
+
MODULE_DESCRIPTION("Bosch BMI323 IMU driver");
MODULE_AUTHOR("Jagath Jog J <jagathjog1996@...il.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/iio/imu/bmi323/bmi323_i2c.c b/drivers/iio/imu/bmi323/bmi323_i2c.c
index 3298e027c97e..0ba5d69d8329 100644
--- a/drivers/iio/imu/bmi323/bmi323_i2c.c
+++ b/drivers/iio/imu/bmi323/bmi323_i2c.c
@@ -128,6 +128,7 @@ MODULE_DEVICE_TABLE(of, bmi323_of_i2c_match);
static struct i2c_driver bmi323_i2c_driver = {
.driver = {
.name = "bmi323",
+ .pm = pm_ptr(&bmi323_core_pm_ops),
.of_match_table = bmi323_of_i2c_match,
.acpi_match_table = bmi323_acpi_match,
},
diff --git a/drivers/iio/imu/bmi323/bmi323_spi.c b/drivers/iio/imu/bmi323/bmi323_spi.c
index 571e1cd7ce72..9de3ade78d71 100644
--- a/drivers/iio/imu/bmi323/bmi323_spi.c
+++ b/drivers/iio/imu/bmi323/bmi323_spi.c
@@ -79,6 +79,7 @@ MODULE_DEVICE_TABLE(of, bmi323_of_spi_match);
static struct spi_driver bmi323_spi_driver = {
.driver = {
.name = "bmi323",
+ .pm = pm_ptr(&bmi323_core_pm_ops),
.of_match_table = bmi323_of_spi_match,
},
.probe = bmi323_spi_probe,
--
2.46.0
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