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872e79add7
This patch adds a generic magnetometer driver for STMicroelectronics magnetometers, currently it supports: LSM303DLHC, LSM303DLM, LIS3MDL. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* STMicroelectronics magnetometers 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_MAGN_H
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#define ST_MAGN_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 LSM303DLHC_MAGN_DEV_NAME "lsm303dlhc_magn"
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#define LSM303DLM_MAGN_DEV_NAME "lsm303dlm_magn"
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#define LIS3MDL_MAGN_DEV_NAME "lis3mdl"
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int st_magn_common_probe(struct iio_dev *indio_dev);
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void st_magn_common_remove(struct iio_dev *indio_dev);
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#ifdef CONFIG_IIO_BUFFER
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int st_magn_allocate_ring(struct iio_dev *indio_dev);
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void st_magn_deallocate_ring(struct iio_dev *indio_dev);
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#else /* CONFIG_IIO_BUFFER */
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static inline int st_magn_probe_trigger(struct iio_dev *indio_dev, int irq)
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{
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return 0;
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}
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static inline void st_magn_remove_trigger(struct iio_dev *indio_dev, int irq)
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{
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return;
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}
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static inline int st_magn_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_magn_deallocate_ring(struct iio_dev *indio_dev)
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{
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}
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#endif /* CONFIG_IIO_BUFFER */
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#endif /* ST_MAGN_H */
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