specifies the SPDIFRX interrupt source to check. This parameter can be one of the following values: @arg SPDIFRX_IT_RXNE @arg SPDIFRX_IT_CSRNE @arg SPDIFRX_IT_PERRIE @arg SPDIFRX_IT_OVRIE @arg SPDIFRX_IT_SBLKIE @arg SPDIFRX_IT_SYNCDIE @arg SPDIFRX_IT_IFEIE