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56bd57e7b1
Add a new IIO_DECLARE_QUATERNION() macro that is used to declare the field in an IIO buffer struct that contains a quaternion vector. Quaternions are currently the only IIO data type that uses the .repeat feature of struct iio_scan_type. This has an implicit rule that the element in the buffer must be aligned to the entire size of the repeated element. This macro will make that requirement explicit. Since this is the only user, we just call the macro IIO_DECLARE_QUATERNION() instead of something more generic. Signed-off-by: David Lechner <dlechner@baylibre.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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