swh:1:snp:38ae39f9fd01a4b0ef06fab5668b65bf4c2aca03
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Tip revision: b2776bf7149bddd1f4161f14f79520f17fc1d71d authored by Linus Torvalds on 07 December 2014, 22:21:05 UTC
Linux 3.18
Tip revision: b2776bf
st_gyro.h
/*
 * STMicroelectronics gyroscopes driver
 *
 * Copyright 2012-2013 STMicroelectronics Inc.
 *
 * Denis Ciocca <denis.ciocca@st.com>
 * v. 1.0.0
 * Licensed under the GPL-2.
 */

#ifndef ST_GYRO_H
#define ST_GYRO_H

#include <linux/types.h>
#include <linux/iio/common/st_sensors.h>

#define L3G4200D_GYRO_DEV_NAME		"l3g4200d"
#define LSM330D_GYRO_DEV_NAME		"lsm330d_gyro"
#define LSM330DL_GYRO_DEV_NAME		"lsm330dl_gyro"
#define LSM330DLC_GYRO_DEV_NAME		"lsm330dlc_gyro"
#define L3GD20_GYRO_DEV_NAME		"l3gd20"
#define L3G4IS_GYRO_DEV_NAME		"l3g4is_ui"
#define LSM330_GYRO_DEV_NAME		"lsm330_gyro"

/**
 * struct st_sensors_platform_data - gyro platform data
 * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
 */
static const struct st_sensors_platform_data gyro_pdata = {
	.drdy_int_pin = 2,
};

int st_gyro_common_probe(struct iio_dev *indio_dev,
					struct st_sensors_platform_data *pdata);
void st_gyro_common_remove(struct iio_dev *indio_dev);

#ifdef CONFIG_IIO_BUFFER
int st_gyro_allocate_ring(struct iio_dev *indio_dev);
void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
#define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
#else /* CONFIG_IIO_BUFFER */
static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
{
	return 0;
}
static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
{
}
#define ST_GYRO_TRIGGER_SET_STATE NULL
#endif /* CONFIG_IIO_BUFFER */

#endif /* ST_GYRO_H */
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