7be56a8f57
This patch adds a generic gyroscope driver for STMicroelectronics gyroscopes, currently it supports: L3G4200D, LSM330DL, L3GD20, L3GD20H, LSM330DLC, L3G4IS, LSM330. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* STMicroelectronics gyroscopes driver
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*
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* Copyright 2012-2013 STMicroelectronics Inc.
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*
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* Denis Ciocca <denis.ciocca@st.com>
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* v. 1.0.0
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* Licensed under the GPL-2.
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*/
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#ifndef ST_GYRO_H
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#define ST_GYRO_H
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#include <linux/types.h>
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#include <linux/iio/common/st_sensors.h>
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#define L3G4200D_GYRO_DEV_NAME "l3g4200d"
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#define LSM330D_GYRO_DEV_NAME "lsm330d_gyro"
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#define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro"
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#define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro"
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#define L3GD20_GYRO_DEV_NAME "l3gd20"
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#define L3GD20H_GYRO_DEV_NAME "l3gd20h"
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#define L3G4IS_GYRO_DEV_NAME "l3g4is_ui"
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#define LSM330_GYRO_DEV_NAME "lsm330_gyro"
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int st_gyro_common_probe(struct iio_dev *indio_dev);
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void st_gyro_common_remove(struct iio_dev *indio_dev);
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#ifdef CONFIG_IIO_BUFFER
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int st_gyro_allocate_ring(struct iio_dev *indio_dev);
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void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
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int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
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#define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
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#else /* CONFIG_IIO_BUFFER */
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static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
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{
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}
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#define ST_GYRO_TRIGGER_SET_STATE NULL
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#endif /* CONFIG_IIO_BUFFER */
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#endif /* ST_GYRO_H */
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