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path: root/drivers/iio/magnetometer/ak8975.c
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Diffstat (limited to 'drivers/iio/magnetometer/ak8975.c')
-rw-r--r--drivers/iio/magnetometer/ak8975.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index d430b80808ef..893bec5a0312 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -1,23 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A sensor driver for the magnetometer AK8975.
*
* Magnetic compass sensor driver for monitoring magnetic flux information.
*
* Copyright (c) 2010, NVIDIA Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/module.h>
@@ -746,12 +733,14 @@ static const struct iio_mount_matrix *
ak8975_get_mount_matrix(const struct iio_dev *indio_dev,
const struct iio_chan_spec *chan)
{
- return &((struct ak8975_data *)iio_priv(indio_dev))->orientation;
+ struct ak8975_data *data = iio_priv(indio_dev);
+
+ return &data->orientation;
}
static const struct iio_chan_spec_ext_info ak8975_ext_info[] = {
IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, ak8975_get_mount_matrix),
- { },
+ { }
};
#define AK8975_CHANNEL(axis, index) \
@@ -792,7 +781,7 @@ static const struct acpi_device_id ak_acpi_match[] = {
{"AK09911", AK09911},
{"AKM9911", AK09911},
{"AK09912", AK09912},
- { },
+ { }
};
MODULE_DEVICE_TABLE(acpi, ak_acpi_match);
#endif
@@ -911,9 +900,8 @@ static int ak8975_probe(struct i2c_client *client,
data->eoc_irq = 0;
if (!pdata) {
- err = of_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