diff options
Diffstat (limited to 'drivers/staging/iio/accel/adis16240_trigger.c')
-rw-r--r-- | drivers/staging/iio/accel/adis16240_trigger.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c deleted file mode 100644 index fa90a22b143e..000000000000 --- a/drivers/staging/iio/accel/adis16240_trigger.c +++ /dev/null @@ -1,82 +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 "adis16240.h" - -/** - * adis16240_data_rdy_trig_poll() the event handler for the data rdy trig - **/ -static irqreturn_t adis16240_data_rdy_trig_poll(int irq, void *trig) -{ - iio_trigger_poll(trig, iio_get_time_ns()); - return IRQ_HANDLED; -} - -/** - * adis16240_data_rdy_trigger_set_state() set datardy interrupt state - **/ -static int adis16240_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 adis16240_set_irq(indio_dev, state); -} - -static const struct iio_trigger_ops adis16240_trigger_ops = { - .owner = THIS_MODULE, - .set_trigger_state = &adis16240_data_rdy_trigger_set_state, -}; - -int adis16240_probe_trigger(struct iio_dev *indio_dev) -{ - int ret; - struct adis16240_state *st = iio_priv(indio_dev); - - st->trig = iio_trigger_alloc("adis16240-dev%d", indio_dev->id); - if (st->trig == NULL) { - ret = -ENOMEM; - goto error_ret; - } - - ret = request_irq(st->us->irq, - adis16240_data_rdy_trig_poll, - IRQF_TRIGGER_RISING, - "adis16240", - st->trig); - if (ret) - goto error_free_trig; - - st->trig->dev.parent = &st->us->dev; - st->trig->ops = &adis16240_trigger_ops; - st->trig->private_data = indio_dev; - 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 adis16240_remove_trigger(struct iio_dev *indio_dev) -{ - struct adis16240_state *st = iio_priv(indio_dev); - - iio_trigger_unregister(st->trig); - free_irq(st->us->irq, st->trig); - iio_trigger_free(st->trig); -} |