Release 4.11 drivers/iio/gyro/st_gyro_buffer.c
/*
* STMicroelectronics gyroscopes driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
*
* Licensed under the GPL-2.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
#include <linux/iio/trigger_consumer.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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 28 | 90.32% | 1 | 50.00% |
| Lars-Peter Clausen | 3 | 9.68% | 1 | 50.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
static int st_gyro_buffer_preenable(struct iio_dev *indio_dev)
{
return st_sensors_set_enable(indio_dev, true);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 18 | 94.74% | 1 | 50.00% |
| Lars-Peter Clausen | 1 | 5.26% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static int st_gyro_buffer_postenable(struct iio_dev *indio_dev)
{
int err;
struct st_sensor_data *gdata = iio_priv(indio_dev);
gdata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
if (gdata->buffer_data == NULL) {
err = -ENOMEM;
goto allocate_memory_error;
}
err = st_sensors_set_axis_enable(indio_dev,
(u8)indio_dev->active_scan_mask[0]);
if (err < 0)
goto st_gyro_buffer_postenable_error;
err = iio_triggered_buffer_postenable(indio_dev);
if (err < 0)
goto st_gyro_buffer_postenable_error;
return err;
st_gyro_buffer_postenable_error:
kfree(gdata->buffer_data);
allocate_memory_error:
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 114 | 100.00% | 1 | 100.00% |
| Total | 114 | 100.00% | 1 | 100.00% |
static int st_gyro_buffer_predisable(struct iio_dev *indio_dev)
{
int err;
struct st_sensor_data *gdata = iio_priv(indio_dev);
err = iio_triggered_buffer_predisable(indio_dev);
if (err < 0)
goto st_gyro_buffer_predisable_error;
err = st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
if (err < 0)
goto st_gyro_buffer_predisable_error;
err = st_sensors_set_enable(indio_dev, false);
st_gyro_buffer_predisable_error:
kfree(gdata->buffer_data);
return err;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 79 | 100.00% | 1 | 100.00% |
| Total | 79 | 100.00% | 1 | 100.00% |
static const struct iio_buffer_setup_ops st_gyro_buffer_setup_ops = {
.preenable = &st_gyro_buffer_preenable,
.postenable = &st_gyro_buffer_postenable,
.predisable = &st_gyro_buffer_predisable,
};
int st_gyro_allocate_ring(struct iio_dev *indio_dev)
{
return iio_triggered_buffer_setup(indio_dev, NULL,
&st_sensors_trigger_handler, &st_gyro_buffer_setup_ops);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 23 | 95.83% | 1 | 50.00% |
| Linus Walleij | 1 | 4.17% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
{
iio_triggered_buffer_cleanup(indio_dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
MODULE_DESCRIPTION("STMicroelectronics gyroscopes buffer");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Denis Ciocca | 358 | 98.62% | 1 | 25.00% |
| Lars-Peter Clausen | 4 | 1.10% | 2 | 50.00% |
| Linus Walleij | 1 | 0.28% | 1 | 25.00% |
| Total | 363 | 100.00% | 4 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.