linux-kernel - Re: [PATCH] ASoC: dwc: Add Single DMA mode support

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Date:   Wed, 13 Sep 2023 16:07:27 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Myunguk Kim <mwkim@...nchips.com>
Cc:     alsa-devel@...a-project.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org, fido_max@...ox.ru,
        joabreu@...opsys.com, krzysztof.kozlowski+dt@...aro.org,
        kuninori.morimoto.gx@...esas.com, lgirdwood@...il.com,
        linux-kernel@...r.kernel.org, perex@...ex.cz, robh+dt@...nel.org,
        tiwai@...e.com, u.kleine-koenig@...gutronix.de,
        xingyu.wu@...rfivetech.com
Subject: Re: [PATCH] ASoC: dwc: Add Single DMA mode support

On Wed, Sep 13, 2023 at 01:09:03PM +0900, Myunguk Kim wrote:

> In this case, it is not used through the DMA API. 
> The connection relationship is as follows.
>   i2s --- pcm_dmaengine ---  DMA IP (ie. pl330)
> So, control was possible only by directly setting the maxburst property.

pcm_dmaengine is a wrapper binding the DMA API into ASoC...

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