iio: ak8975: improve code readability

- use temporary variable in get_mount_matrix()
- remove , after { }

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index db7214ac514cd94f5752f908f95e80c635e97bf0..43d08c089792c479042f7090a531be0f4d203e1b 100644 (file)
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -746,12 +746,14 @@ 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 +794,7 @@ static const struct acpi_device_id ak_acpi_match[] = {
        {"AK09911", AK09911},
        {"AKM9911", AK09911},
        {"AK09912", AK09912},
-       { },
+       { }
 };
 MODULE_DEVICE_TABLE(acpi, ak_acpi_match);
 #endif