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Clark" , =?UTF-8?q?Philip=20M=C3=BCller?= , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Denis Benato Subject: [PATCH v2 2/2] iio: bmi160: suspend and resume triggering on relevant pm operations Date: Sun, 25 May 2025 16:25:30 +0200 Message-ID: <20250525142530.71955-3-benato.denis96@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250525142530.71955-1-benato.denis96@gmail.com> References: <20250525142530.71955-1-benato.denis96@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- drivers/iio/imu/bmi160/bmi160.h | 2 ++ drivers/iio/imu/bmi160/bmi160_core.c | 19 +++++++++++++++++++ drivers/iio/imu/bmi160/bmi160_i2c.c | 2 ++ drivers/iio/imu/bmi160/bmi160_spi.c | 2 ++ 4 files changed, 25 insertions(+) diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h index 32c2ea2d7112..ffbe8205e703 100644 --- a/drivers/iio/imu/bmi160/bmi160.h +++ b/drivers/iio/imu/bmi160/bmi160.h @@ -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_ */ diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c index 0423ef6f9571..9aa54b95b89f 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -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 "); MODULE_DESCRIPTION("Bosch BMI160 driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/imu/bmi160/bmi160_i2c.c b/drivers/iio/imu/bmi160/bmi160_i2c.c index 9fa3a19a8977..3e2758f4e0d3 100644 --- a/drivers/iio/imu/bmi160/bmi160_i2c.c +++ b/drivers/iio/imu/bmi160/bmi160_i2c.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #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, }, diff --git a/drivers/iio/imu/bmi160/bmi160_spi.c b/drivers/iio/imu/bmi160/bmi160_spi.c index ebb586904215..3581bd788483 100644 --- a/drivers/iio/imu/bmi160/bmi160_spi.c +++ b/drivers/iio/imu/bmi160/bmi160_spi.c @@ -7,6 +7,7 @@ */ #include #include +#include #include #include @@ -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); -- 2.49.0