Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Denis Ciocca |
194 |
90.65% |
2 |
25.00% |
| Lars-Peter Clausen |
9 |
4.21% |
2 |
25.00% |
| Alexandru Ardelean |
7 |
3.27% |
1 |
12.50% |
| Thomas Gleixner |
2 |
0.93% |
1 |
12.50% |
| Jonathan Cameron |
1 |
0.47% |
1 |
12.50% |
| Linus Walleij |
1 |
0.47% |
1 |
12.50% |
| Total |
214 |
|
8 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics gyroscopes driver
*
* Copyright 2012-2013 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_gyro.h"
int st_gyro_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_gyro_buffer_postenable(struct iio_dev *indio_dev)
{
int err;
err = st_sensors_set_axis_enable(indio_dev, indio_dev->active_scan_mask[0]);
if (err < 0)
return err;
err = st_sensors_set_enable(indio_dev, true);
if (err < 0)
goto st_gyro_buffer_enable_all_axis;
return 0;
st_gyro_buffer_enable_all_axis:
st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
return err;
}
static int st_gyro_buffer_predisable(struct iio_dev *indio_dev)
{
int err;
err = st_sensors_set_enable(indio_dev, false);
if (err < 0)
return err;
return st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
}
static const struct iio_buffer_setup_ops st_gyro_buffer_setup_ops = {
.postenable = &st_gyro_buffer_postenable,
.predisable = &st_gyro_buffer_predisable,
};
int st_gyro_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_gyro_buffer_setup_ops);
}