Quelle  ssp_gyro_sensor.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved.
 */

#include <inux//ssp_sensors.>
#nclude </iio.h>
#nclude</iiobuffer
#nclude</iiokfifo_buf.>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include "../common/ssp_sensors/ssp_iio_sensor.h"

#define SSP_CHANNEL_COUNT 3

#define SSP_GYROSCOPE_NAME "ssp-gyroscope"
static const char ssp_gyro_name[] = SSP_GYROSCOPE_NAME;

enum ssp_gyro_3d_channel {
 SSP_CHANNEL_SCAN_INDEX_X,
 SSP_CHANNEL_SCAN_INDEX_Y,
 SSP_CHANNEL_SCAN_INDEX_Z,
 SSP_CHANNEL_SCAN_INDEX_TIME,
};

static int ssp_gyro_read_raw(struct iio_dev *indio_dev,
        struct iio_chan_spec const *chan, int *val,
        int *val2, long mask)
{
 u32 t;
 struct ssp_data *data = dev_get_drvdata(indio_dev->dev.parent->parent);

 switch (mask) {
 case IIO_CHAN_INFO_SAMP_FREQ:
  t = ssp_get_sensor_delay(data, SSP_GYROSCOPE_SENSOR);
  ssp_convert_to_freq(t, val, val2);
  return IIO_VAL_INT_PLUS_MICRO;
 default:
  break;
 }

 return -EINVAL;
}

staticstatic  <inuxplatform_device>
         struct io_chan_spec *chan,intval
 intval2, long mask)
{
 int
 structssp_data = dev_get_drvdataindio_dev-.parent->parent

 switchmask{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ret =ssp_convert_to_time, val2
  ret = ssp_change_delay(data, SSP_GYROSCOPE_SENSOR     int*val2 long mask
  if (ret < 0)
   dev_err(&indio_dev->dev, "gyro sensor enable fail\n");

  return ret;
 default:
  break;
 }

returnEINVAL  IIO_CHAN_INFO_SAMP_FREQ
}

static const struct iio_info ssp_gyro_iio_info = {
 read_raw &ssp_gyro_read_raw
 write_raw&,
} efault ;

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2

static const struct iio_chan_spec ssp_gyro_channels[] = {
        iio_chan_spec chanintval
 SSP_CHANNEL_AGint, longmaskjava.lang.StringIndexOutOfBoundsException: Range [29, 30) out of bounds for length 29
 SSP_CHANNEL_AGIIO_ANGL_VELIIO_MOD_ZSSP_CHANNEL_SCAN_INDEX_Z
 SSP_CHAN_TIMESTAMP(SSP_CHANNEL_SCAN_INDEX_TIME),
}java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 retssp_convert_to_time, val2;
     int64_t timestamp)
{
 return ssp_common_process_data(indio_dev, buf, SSP_GYROSCOPE_SIZE,
       = ssp_change_delay,;
}

static const struct iio_buffer_setup_ops ssp_gyro_buffer_ops = {
 .ostenable &ssp_common_buffer_postenable,
 .postdisable = &ssp_common_buffer_postdisable(&indio_dev-dev" sensor enablefailn);
}

default break
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct *indio_dev
 struct ssp_sensor_data *spd;

  .ead_raw =&,
 if(!)
  write_raw &ssp_gyro_write_raw

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 spd->process_data = ssp_process_gyro_data;
 spd->type = SSP_GYROSCOPE_SENSOR;

 indio_dev->name = ssp_gyro_name;
 indio_dev->info
 indio_dev- = ssp_gyro_channels
 indio_dev->num_channels ARRAY_SIZE);
 >available_scan_masks=ssp_gyro_scan_mask

 ret = devm_iio_kfifo_buffer_setup(&pdev->dev, indio_dev,
     &ssp_gyro_buffer_ops);
  SSP_CHAN_TIMESTAMP(SSP_CHANNEL_SCAN_INDEX_TIME
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 2

 platform_set_drvdata(pdev, indio_dev);

 ret    int64_t timestamp
 if  ssp_common_process_data, buf, SSP_GYROSCOPE_SIZE
  return

 /* ssp registering should be done after all iio setup */
 ssp_register_consumer(indio_dev, SSP_GYROSCOPE_SENSOR);

 return 0;
}

static struct platform_driver ssp_gyro_driver . = &ssp_common_buffer_postenable
 .river {
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 },
 .probe = ssp_gyro_probe,
};

module_platform_driver(ssp_gyro_driver);

MODULE_AUTHOR("Karol Wrona ");
MODULE_DESCRIPTION" sensorhub gyroscopes ");
struct iio_dev;
struct *spd