1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2019 TDK-InvenSense, Inc. 4 */ 5 6 #ifndef INV_MPU_MAGN_H_ 7 #define INV_MPU_MAGN_H_ 8 9 #include <linux/kernel.h> 10 11 #include "inv_mpu_iio.h" 12 13 int inv_mpu_magn_probe(struct inv_mpu6050_state *st); 14 15 /** 16 * inv_mpu_magn_get_scale() - get magnetometer scale value 17 * @st: driver internal state 18 * 19 * Returns IIO data format. 20 */ 21 static inline int inv_mpu_magn_get_scale(const struct inv_mpu6050_state *st, 22 const struct iio_chan_spec *chan, 23 int *val, int *val2) 24 { 25 *val = 0; 26 *val2 = st->magn_raw_to_gauss[chan->address]; 27 return IIO_VAL_INT_PLUS_MICRO; 28 } 29 30 int inv_mpu_magn_set_rate(const struct inv_mpu6050_state *st, int fifo_rate); 31 32 int inv_mpu_magn_set_orient(struct inv_mpu6050_state *st); 33 34 int inv_mpu_magn_read(const struct inv_mpu6050_state *st, int axis, int *val); 35 36 #endif /* INV_MPU_MAGN_H_ */ 37