diff options
| author | Vladimir Barinov <vladimir.barinov@cogentembedded.com> | 2015-08-20 22:37:39 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-08-27 20:47:09 +0100 |
| commit | 735ad074ffa72ccc4fdba8e54eb024df95545e7d (patch) | |
| tree | 5cc52d06761fba79d2a70ce0d665b1c583bf386c /include/linux/iio | |
| parent | 764589b688a1b087b5ff6c1e99f7cd57a5241395 (diff) | |
iio: Support triggered events
Support triggered events.
This is useful for chips that don't have their own interrupt sources.
It allows to use generic/standalone iio triggers for those drivers.
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include/linux/iio')
| -rw-r--r-- | include/linux/iio/iio.h | 3 | ||||
| -rw-r--r-- | include/linux/iio/triggered_event.h | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 7bb7f673cb3f..19c94c9acc81 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -294,6 +294,7 @@ static inline s64 iio_get_time_ns(void) #define INDIO_BUFFER_TRIGGERED 0x02 #define INDIO_BUFFER_SOFTWARE 0x04 #define INDIO_BUFFER_HARDWARE 0x08 +#define INDIO_EVENT_TRIGGERED 0x10 #define INDIO_ALL_BUFFER_MODES \ (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE | INDIO_BUFFER_SOFTWARE) @@ -457,6 +458,7 @@ struct iio_buffer_setup_ops { * @scan_index_timestamp:[INTERN] cache of the index to the timestamp * @trig: [INTERN] current device trigger (buffer modes) * @pollfunc: [DRIVER] function run on trigger being received + * @pollfunc_event: [DRIVER] function run on events trigger being received * @channels: [DRIVER] channel specification structure table * @num_channels: [DRIVER] number of channels specified in @channels. * @channel_attr_list: [INTERN] keep track of automatically created channel @@ -495,6 +497,7 @@ struct iio_dev { unsigned scan_index_timestamp; struct iio_trigger *trig; struct iio_poll_func *pollfunc; + struct iio_poll_func *pollfunc_event; struct iio_chan_spec const *channels; int num_channels; diff --git a/include/linux/iio/triggered_event.h b/include/linux/iio/triggered_event.h new file mode 100644 index 000000000000..8fe8537085bb --- /dev/null +++ b/include/linux/iio/triggered_event.h @@ -0,0 +1,11 @@ +#ifndef _LINUX_IIO_TRIGGERED_EVENT_H_ +#define _LINUX_IIO_TRIGGERED_EVENT_H_ + +#include <linux/interrupt.h> + +int iio_triggered_event_setup(struct iio_dev *indio_dev, + irqreturn_t (*h)(int irq, void *p), + irqreturn_t (*thread)(int irq, void *p)); +void iio_triggered_event_cleanup(struct iio_dev *indio_dev); + +#endif |