46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* STMicroelectronics pressures driver
|
|
*
|
|
* Copyright 2013 STMicroelectronics Inc.
|
|
*
|
|
* Denis Ciocca <denis.ciocca@st.com>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/iio/iio.h>
|
|
#include <linux/iio/buffer.h>
|
|
#include <linux/iio/trigger.h>
|
|
#include <linux/iio/triggered_buffer.h>
|
|
|
|
#include <linux/iio/common/st_sensors.h>
|
|
#include "st_pressure.h"
|
|
|
|
int st_press_trig_set_state(struct iio_trigger *trig, bool state)
|
|
{
|
|
struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
|
|
|
|
return st_sensors_set_dataready_irq(indio_dev, state);
|
|
}
|
|
|
|
static int st_press_buffer_postenable(struct iio_dev *indio_dev)
|
|
{
|
|
return st_sensors_set_enable(indio_dev, true);
|
|
}
|
|
|
|
static int st_press_buffer_predisable(struct iio_dev *indio_dev)
|
|
{
|
|
return st_sensors_set_enable(indio_dev, false);
|
|
}
|
|
|
|
static const struct iio_buffer_setup_ops st_press_buffer_setup_ops = {
|
|
.postenable = &st_press_buffer_postenable,
|
|
.predisable = &st_press_buffer_predisable,
|
|
};
|
|
|
|
int st_press_allocate_ring(struct iio_dev *indio_dev)
|
|
{
|
|
return devm_iio_triggered_buffer_setup(indio_dev->dev.parent, indio_dev,
|
|
NULL, &st_sensors_trigger_handler, &st_press_buffer_setup_ops);
|
|
}
|