[PATCH v2 3/4] ASoC: fsl_ssi: Add dual fifo mode support

Philippe Rétornaz philippe.retornaz at gmail.com
Thu Oct 31 03:54:12 EDT 2013


Hi

>
> +			/* When using dual fifo mode, we need to keep watermark
> +			 * as even numbers due to dma script limitation.
> +			 */
> +			ssi_private->dma_params_tx.maxburst /= 2;
> +			ssi_private->dma_params_tx.maxburst *= 2;
> +			ssi_private->dma_params_rx.maxburst /= 2;
> +			ssi_private->dma_params_rx.maxburst *= 2;
>

Why not using a mask here ?
ssi_private->dma_params_tx.maxburst &= ~0x1;
ssi_private->dma_params_rx.maxburst &= ~0x1;

Regards,

Philippe




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