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

Nicolin Chen b42378 at freescale.com
Thu Oct 31 08:44:37 CET 2013


Hi, Philippe

On Thu, Oct 31, 2013 at 08:54:12AM +0100, Philippe Rétornaz wrote:
> 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;

I'll use this in v3. Thank you!

Nicolin Chen

> 
> Regards,
> 
> Philippe
> 
> 




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