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39 lines
931 B
39 lines
931 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2019 TDK-InvenSense, Inc. |
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*/ |
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#ifndef INV_MPU_MAGN_H_ |
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#define INV_MPU_MAGN_H_ |
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#include <linux/kernel.h> |
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#include "inv_mpu_iio.h" |
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/* Magnetometer maximum frequency */ |
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#define INV_MPU_MAGN_FREQ_HZ_MAX 50 |
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int inv_mpu_magn_probe(struct inv_mpu6050_state *st); |
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/** |
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* inv_mpu_magn_get_scale() - get magnetometer scale value |
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* @st: driver internal state |
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* |
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* Returns IIO data format. |
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*/ |
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static inline int inv_mpu_magn_get_scale(const struct inv_mpu6050_state *st, |
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const struct iio_chan_spec *chan, |
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int *val, int *val2) |
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{ |
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*val = 0; |
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*val2 = st->magn_raw_to_gauss[chan->address]; |
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return IIO_VAL_INT_PLUS_MICRO; |
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} |
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int inv_mpu_magn_set_rate(const struct inv_mpu6050_state *st, int fifo_rate); |
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int inv_mpu_magn_set_orient(struct inv_mpu6050_state *st); |
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int inv_mpu_magn_read(struct inv_mpu6050_state *st, int axis, int *val); |
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#endif /* INV_MPU_MAGN_H_ */
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