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/spi/spi.h>
11 #include "../trigger.h"
12 #include "adis16201.h"
15 * adis16201_data_rdy_trigger_set_state() set datardy interrupt state
17 static int adis16201_data_rdy_trigger_set_state(struct iio_trigger *trig,
20 struct iio_dev *indio_dev = trig->private_data;
22 dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
23 return adis16201_set_irq(indio_dev, state);
26 int adis16201_probe_trigger(struct iio_dev *indio_dev)
29 struct adis16201_state *st = iio_priv(indio_dev);
31 st->trig = iio_allocate_trigger("adis16201-dev%d", indio_dev->id);
32 if (st->trig == NULL) {
36 ret = request_irq(st->us->irq,
37 &iio_trigger_generic_data_rdy_poll,
43 st->trig->dev.parent = &st->us->dev;
44 st->trig->owner = THIS_MODULE;
45 st->trig->private_data = indio_dev;
46 st->trig->set_trigger_state = &adis16201_data_rdy_trigger_set_state;
47 ret = iio_trigger_register(st->trig);
49 /* select default trigger */
50 indio_dev->trig = st->trig;
57 free_irq(st->us->irq, st->trig);
59 iio_free_trigger(st->trig);
64 void adis16201_remove_trigger(struct iio_dev *indio_dev)
66 struct adis16201_state *state = iio_priv(indio_dev);
68 iio_trigger_unregister(state->trig);
69 free_irq(state->us->irq, state->trig);
70 iio_free_trigger(state->trig);