@@ -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
@@ -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)
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> --- drivers/iio/iio_core_trigger.h | 4 +++- drivers/iio/industrialio-trigger.c | 4 +++- 2 files changed, 6 insertions(+), 2 deletions(-)