1 #include <linux/interrupt.h>
2 #include <linux/kernel.h>
3 #include <linux/spi/spi.h>
4 #include <linux/export.h>
6 #include <linux/iio/iio.h>
7 #include <linux/iio/trigger.h>
11 * adis16400_data_rdy_trigger_set_state() set datardy interrupt state
13 static int adis16400_data_rdy_trigger_set_state(struct iio_trigger *trig,
16 struct iio_dev *indio_dev = trig->private_data;
18 dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
19 return adis16400_set_irq(indio_dev, state);
22 static const struct iio_trigger_ops adis16400_trigger_ops = {
24 .set_trigger_state = &adis16400_data_rdy_trigger_set_state,
27 int adis16400_probe_trigger(struct iio_dev *indio_dev)
30 struct adis16400_state *st = iio_priv(indio_dev);
32 st->trig = iio_trigger_alloc("%s-dev%d",
35 if (st->trig == NULL) {
40 ret = request_irq(st->us->irq,
41 &iio_trigger_generic_data_rdy_poll,
47 st->trig->dev.parent = &st->us->dev;
48 st->trig->private_data = indio_dev;
49 st->trig->ops = &adis16400_trigger_ops;
50 ret = iio_trigger_register(st->trig);
52 /* select default trigger */
53 indio_dev->trig = st->trig;
60 free_irq(st->us->irq, st->trig);
62 iio_trigger_free(st->trig);
67 void adis16400_remove_trigger(struct iio_dev *indio_dev)
69 struct adis16400_state *st = iio_priv(indio_dev);
71 iio_trigger_unregister(st->trig);
72 free_irq(st->us->irq, st->trig);
73 iio_trigger_free(st->trig);