58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
|
|
* HID Sensors Driver
|
|
* Copyright (c) 2012, Intel Corporation.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
#ifndef _HID_SENSORS_ATTRIBUTES_H
|
|
#define _HID_SENSORS_ATTRIBUTES_H
|
|
|
|
/* Common hid sensor iio structure */
|
|
struct hid_sensor_iio_common {
|
|
struct hid_sensor_hub_device *hsdev;
|
|
struct platform_device *pdev;
|
|
unsigned usage_id;
|
|
bool data_ready;
|
|
struct hid_sensor_hub_attribute_info poll;
|
|
struct hid_sensor_hub_attribute_info report_state;
|
|
struct hid_sensor_hub_attribute_info power_state;
|
|
struct hid_sensor_hub_attribute_info sensitivity;
|
|
};
|
|
|
|
/*Convert from hid unit expo to regular exponent*/
|
|
static inline int hid_sensor_convert_exponent(int unit_expo)
|
|
{
|
|
if (unit_expo < 0x08)
|
|
return unit_expo;
|
|
else if (unit_expo <= 0x0f)
|
|
return -(0x0f-unit_expo+1);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev,
|
|
u32 usage_id,
|
|
struct hid_sensor_iio_common *st);
|
|
int hid_sensor_write_raw_hyst_value(struct hid_sensor_iio_common *st,
|
|
int val1, int val2);
|
|
int hid_sensor_read_raw_hyst_value(struct hid_sensor_iio_common *st,
|
|
int *val1, int *val2);
|
|
int hid_sensor_write_samp_freq_value(struct hid_sensor_iio_common *st,
|
|
int val1, int val2);
|
|
int hid_sensor_read_samp_freq_value(struct hid_sensor_iio_common *st,
|
|
int *val1, int *val2);
|
|
|
|
#endif
|