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/*
* 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
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