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| author | Alexandru Ardelean <alexandru.ardelean@analog.com> | 2021-02-15 13:40:28 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-03-11 23:47:02 +0300 |
| commit | e64506bf69b680975c47dcbca2a33fc672b368b5 (patch) | |
| tree | 20f6e29da0dc7fe68917a55e9bb03d67f0a0f9a8 | |
| parent | 8ebaa3ff1e71d428912423f7f4f8001bfb368cc5 (diff) | |
| download | linux-e64506bf69b680975c47dcbca2a33fc672b368b5.tar.xz | |
iio: core-trigger: make iio_device_register_trigger_consumer() an int return
Oddly enough the noop function is an int-return. This one seems to be void.
This change converts it to int, because we want to change how groups are
registered. With that change this function could error out with -ENOMEM.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-10-alexandru.ardelean@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | drivers/iio/iio_core_trigger.h | 4 | ||||
| -rw-r--r-- | drivers/iio/industrialio-trigger.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iio/iio_core_trigger.h b/drivers/iio/iio_core_trigger.h index 374816bc3e73..e1a56824e07f 100644 --- a/drivers/iio/iio_core_trigger.h +++ b/drivers/iio/iio_core_trigger.h @@ -9,8 +9,10 @@ /** * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers * @indio_dev: iio_dev associated with the device that will consume the trigger + * + * Return 0 if successful, negative otherwise **/ -void iio_device_register_trigger_consumer(struct iio_dev *indio_dev); +int iio_device_register_trigger_consumer(struct iio_dev *indio_dev); /** * iio_device_unregister_trigger_consumer() - reverse the registration process diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index ea3c9859b258..438d5012e8b8 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -692,10 +692,12 @@ int iio_trigger_validate_own_device(struct iio_trigger *trig, } EXPORT_SYMBOL(iio_trigger_validate_own_device); -void iio_device_register_trigger_consumer(struct iio_dev *indio_dev) +int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) { indio_dev->groups[indio_dev->groupcounter++] = &iio_trigger_consumer_attr_group; + + return 0; } void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) |