linux_dsm_epyc7002/include/linux/iio/magnetometer/ak8975.h
Gregor Boirie 97eacb9166 iio:ak8975: add mounting matrix support
Expose a rotation matrix to indicate userspace the chip orientation with
respect to the overall hardware system.
Matrix is retrieved from "in_mount_matrix". It is declared into ak8975 DTS
entry as a "mount-matrix" property.

Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-04-23 22:14:34 +01:00

17 lines
399 B
C

#ifndef __IIO_MAGNETOMETER_AK8975_H__
#define __IIO_MAGNETOMETER_AK8975_H__
#include <linux/iio/iio.h>
/**
* struct ak8975_platform_data - AK8975 magnetometer driver platform data
* @eoc_gpio: data ready event gpio
* @orientation: mounting matrix relative to main hardware
*/
struct ak8975_platform_data {
int eoc_gpio;
struct iio_mount_matrix orientation;
};
#endif