[IIO] Help understanding iio_priv(..)

[Aishwarya Pant <aishpant@gmail.com>]

Hi

I have been looking at the IIO task and came across this function
iio_priv(..). It is defined as-


static inline void *iio_priv(const struct iio_dev *indio_dev)
{
        return (char *)indio_dev + ALIGN(sizeof(struct iio_dev),
	IIO_ALIGN);
}

It returns a void pointer and used as struct dev_state = iio_priv(indio_dev).
Looks like it is used to store an iio device state private to the file.

Could someone help me understand what exactly is happening inside here?

Thanks
Aishwarya