1 #include <linux/interrupt.h>
3 #include <linux/mutex.h>
4 #include <linux/device.h>
5 #include <linux/kernel.h>
6 #include <linux/sysfs.h>
7 #include <linux/list.h>
8 #include <linux/spi/spi.h>
12 #include "../trigger.h"
13 #include "adis16400.h"
16 * adis16400_data_rdy_trigger_set_state() set datardy interrupt state
18 static int adis16400_data_rdy_trigger_set_state(struct iio_trigger *trig,
21 struct adis16400_state *st = trig->private_data;
22 struct iio_dev *indio_dev = st->indio_dev;
24 dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
25 return adis16400_set_irq(st->indio_dev, state);
28 int adis16400_probe_trigger(struct iio_dev *indio_dev)
31 struct adis16400_state *st = indio_dev->dev_data;
33 st->trig = iio_allocate_trigger("%s-dev%d",
34 spi_get_device_id(st->us)->name,
36 if (st->trig == NULL) {
41 ret = request_irq(st->us->irq,
42 &iio_trigger_generic_data_rdy_poll,
48 st->trig->dev.parent = &st->us->dev;
49 st->trig->owner = THIS_MODULE;
50 st->trig->private_data = st;
51 st->trig->set_trigger_state = &adis16400_data_rdy_trigger_set_state;
52 ret = iio_trigger_register(st->trig);
54 /* select default trigger */
55 indio_dev->trig = st->trig;
62 free_irq(st->us->irq, st->trig);
64 iio_free_trigger(st->trig);
69 void adis16400_remove_trigger(struct iio_dev *indio_dev)
71 struct adis16400_state *state = indio_dev->dev_data;
73 iio_trigger_unregister(state->trig);
74 free_irq(state->us->irq, state->trig);
75 iio_free_trigger(state->trig);