linux-kernel - Re: [PATCH 2/2] soc: sprd: Add Spreadtrum multi-channel data transfer support

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Message-ID: <20190419144125.GQ2803@sirena.org.uk>
Date:   Fri, 19 Apr 2019 15:41:25 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     arnd@...db.de, robh+dt@...nel.org, mark.rutland@....com,
        orsonzhai@...il.com, zhang.lyra@...il.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] soc: sprd: Add Spreadtrum multi-channel data
 transfer support

On Fri, Apr 19, 2019 at 06:54:32PM +0800, Baolin Wang wrote:
> On Spreadtrum platform, the audio subsystem will use the multi-channel
> data transfer controller to transfer sound stream between audio subsystem
> and other AP/CP subsystem.
> 
> It can support 10 DAC channel and 10 ADC channel, and each channel has
> 512 bytes depth data fifo. Moreover each channel can be used DMA mode
> or interrupt mode to transfer data.

Acked-by: Mark Brown <broonie@...nel.org>

However if there's no non-audio users of this DSP then it's probably
better to just move the driver into sound/soc.

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