summaryrefslogtreecommitdiff
path: root/drivers/staging/iio/imu/adis16400_trigger.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/iio/imu/adis16400_trigger.c')
-rw-r--r--drivers/staging/iio/imu/adis16400_trigger.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/drivers/staging/iio/imu/adis16400_trigger.c b/drivers/staging/iio/imu/adis16400_trigger.c
deleted file mode 100644
index 42a678e..0000000
--- a/drivers/staging/iio/imu/adis16400_trigger.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/spi/spi.h>
-#include <linux/export.h>
-
-#include <linux/iio/iio.h>
-#include <linux/iio/trigger.h>
-#include "adis16400.h"
-
-/**
- * adis16400_data_rdy_trigger_set_state() set datardy interrupt state
- **/
-static int adis16400_data_rdy_trigger_set_state(struct iio_trigger *trig,
- bool state)
-{
- struct iio_dev *indio_dev = trig->private_data;
-
- dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
- return adis16400_set_irq(indio_dev, state);
-}
-
-static const struct iio_trigger_ops adis16400_trigger_ops = {
- .owner = THIS_MODULE,
- .set_trigger_state = &adis16400_data_rdy_trigger_set_state,
-};
-
-int adis16400_probe_trigger(struct iio_dev *indio_dev)
-{
- int ret;
- struct adis16400_state *st = iio_priv(indio_dev);
-
- st->trig = iio_trigger_alloc("%s-dev%d",
- indio_dev->name,
- indio_dev->id);
- if (st->trig == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
-
- ret = request_irq(st->us->irq,
- &iio_trigger_generic_data_rdy_poll,
- IRQF_TRIGGER_RISING,
- "adis16400",
- st->trig);
- if (ret)
- goto error_free_trig;
- st->trig->dev.parent = &st->us->dev;
- st->trig->private_data = indio_dev;
- st->trig->ops = &adis16400_trigger_ops;
- ret = iio_trigger_register(st->trig);
-
- /* select default trigger */
- indio_dev->trig = st->trig;
- if (ret)
- goto error_free_irq;
-
- return 0;
-
-error_free_irq:
- free_irq(st->us->irq, st->trig);
-error_free_trig:
- iio_trigger_free(st->trig);
-error_ret:
- return ret;
-}
-
-void adis16400_remove_trigger(struct iio_dev *indio_dev)
-{
- struct adis16400_state *st = iio_priv(indio_dev);
-
- iio_trigger_unregister(st->trig);
- free_irq(st->us->irq, st->trig);
- iio_trigger_free(st->trig);
-}