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Date:   Mon, 22 Apr 2019 10:30:46 +0800
From:   Baolin Wang <>
To:     Mark Brown <>
Cc:     Arnd Bergmann <>, Rob Herring <>,
        Mark Rutland <>,
        Orson Zhai <>,
        Chunyan Zhang <>,
        DTML <>,
        LKML <>
Subject: Re: [PATCH 2/2] soc: sprd: Add Spreadtrum multi-channel data transfer support

Hi Mark,

On Fri, 19 Apr 2019 at 22:50, Mark Brown <> wrote:
> 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 <>

Thanks for your reviewing.

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

Yes, only audio will use this driver. OK, I will move it into
sound/soc if no other objections. Thanks.

Baolin Wang
Best Regards

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