iio: magnetometer: ak8975: Get rid of platform data

#include <linux/iio/trigger_consumer.h>

#include <linux/iio/triggered_buffer.h>

#include <linux/iio/magnetometer/ak8975.h>

/*

 * Register definitions, as well as various shifts and masks to get at the

 * individual fields of the registers.

	int err;

	const char *name = NULL;

	enum asahi_compass_chipset chipset = AK_MAX_TYPE;

	const struct ak8975_platform_data *pdata =

		dev_get_platdata(&client->dev);

	/*

	 * Grab and set up the supplied GPIO.

	data->eoc_gpiod = eoc_gpiod;

	data->eoc_irq = 0;

	if (!pdata) {

		err = iio_read_mount_matrix(&client->dev, "mount-matrix",

					    &data->orientation);

	err = iio_read_mount_matrix(&client->dev, "mount-matrix", &data->orientation);

	if (err)

		return err;

	} else

		data->orientation = pdata->orientation;

	/* id will be NULL when enumerated via ACPI */

	if (id) {

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __IIO_MAGNETOMETER_AK8975_H__

#define __IIO_MAGNETOMETER_AK8975_H__

#include <linux/iio/iio.h>

/**

 * struct ak8975_platform_data - AK8975 magnetometer driver platform data

 * @orientation: mounting matrix relative to main hardware

 */

struct ak8975_platform_data {

	struct iio_mount_matrix orientation;

};

#endif