From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolin Chen <nicoleotsuka@gmail.com>
Subject: Re: [PATCH RFC 1/1] ASoC: fsl_ssi: Make fifo watermark
 and maxburst settings device tree options
Date: Fri, 15 Jan 2016 11:23:21 -0800
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To: Caleb Crome <caleb@crome.org>
Cc: devicetree@vger.kernel.org, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Timur Tabi <timur@tabi.org>, Xiubo Li <Xiubo.Lee@gmail.com>, linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>
List-Id: devicetree@vger.kernel.org

On Fri, Jan 15, 2016 at 11:10:29AM -0800, Caleb Crome wrote:
 
> Shall I submit a patch that sets the value to 4 for for any/all of the
> above?  Should it be different based on whether fiq is enabled.  Maybe
> set it to 4 for whenever DMA is used, and to 13 whenever FIQ is used?

A possible solution:
Use the original settings (depth - 2) as a common configuration
in the main probe() and overwrite it in the fsl_ssi_imx_probe()
if detecting a use_dma flag.