/* SPDX-License-Identifier: GPL-2.0-only */
/* The industrial I/O core, trigger consumer handling functions
*
* Copyright ( c ) 2008 Jonathan Cameron
*/
#ifdef CONFIG_IIO_TRIGGER
/**
* 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
**/
int iio_device_register_trigger_consumer(struct iio_dev *indio_dev);
/**
* iio_device_unregister_trigger_consumer ( ) - reverse the registration process
* @ indio_dev : iio_dev associated with the device that consumed the trigger
**/
void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev);
int iio_trigger_attach_poll_func(struct iio_trigger *trig,
struct iio_poll_func *pf);
int iio_trigger_detach_poll_func(struct iio_trigger *trig,
struct iio_poll_func *pf);
#else
/**
* 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
**/
static inline int iio_device_register_trigger_consumer(struct iio_dev *indio_dev)
{
return 0 ;
}
/**
* iio_device_unregister_trigger_consumer ( ) - reverse the registration process
* @ indio_dev : iio_dev associated with the device that consumed the trigger
**/
static inline void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev)
{
}
static inline int iio_trigger_attach_poll_func(struct iio_trigger *trig,
struct iio_poll_func *pf)
{
return 0 ;
}
static inline int iio_trigger_detach_poll_func(struct iio_trigger *trig,
struct iio_poll_func *pf)
{
return 0 ;
}
#endif /* CONFIG_TRIGGER_CONSUMER */
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