diff options
Diffstat (limited to 'drivers/iio/iio_core_trigger.h')
| -rw-r--r-- | drivers/iio/iio_core_trigger.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/iio/iio_core_trigger.h b/drivers/iio/iio_core_trigger.h index 1fdb1e4ea4a5..e1a56824e07f 100644 --- a/drivers/iio/iio_core_trigger.h +++ b/drivers/iio/iio_core_trigger.h @@ -1,19 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* The industrial I/O core, trigger consumer handling functions * * Copyright (c) 2008 Jonathan Cameron - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. */ #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 **/ -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 @@ -21,13 +20,19 @@ void iio_device_register_trigger_consumer(struct iio_dev *indio_dev); **/ 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 int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) +static inline int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) { return 0; } @@ -36,8 +41,19 @@ static 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 **/ -static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) +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 */ |