linux-kernel - Re: [RFC PATCH v5 01/11] ASoC: fsl_asrc: define functions for memory to memory usage

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Message-ID: <CAA+D8AOyDD9Wd0pHFW=jwY9FKqY0OA2UMmDRrB_UnSPN4FJSZA@mail.gmail.com>
Date:   Sun, 8 Oct 2023 11:30:38 +0800
From:   Shengjiu Wang <shengjiu.wang@...il.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Shengjiu Wang <shengjiu.wang@....com>, hverkuil@...all.nl,
        sakari.ailus@....fi, tfiga@...omium.org, m.szyprowski@...sung.com,
        mchehab@...nel.org, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, Xiubo.Lee@...il.com,
        festevam@...il.com, nicoleotsuka@...il.com, lgirdwood@...il.com,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [RFC PATCH v5 01/11] ASoC: fsl_asrc: define functions for memory
 to memory usage

Hi

On Mon, Oct 2, 2023 at 11:08 PM Mark Brown <broonie@...nel.org> wrote:
>
> On Thu, Sep 28, 2023 at 05:00:09PM +0800, Shengjiu Wang wrote:
>
> > m2m_start_part_one: first part of the start steps
> > m2m_start_part_two: second part of the start steps
> > m2m_stop_part_one: first part of stop steps
> > m2m_stop_part_two: second part of stop steps, optional
>
> The part_one/two naming isn't amazing here.  Looking at the rest of the
> code it looks like this is a prepare/trigger type distinction where the
> first part is configuring things prior to DMA setup and the second part
> is actually starting the transfer.  Perhaps _config()/_start() instead?

Ok, I will use m2m_prepare/m2m_unprepare to replace
m2m_start_part_one/m2m_stop_part_one,  and use m2m_start/m2m_stop
to replace  m2m_start_part_two/m2m_stop_part_two.

Best regards
Wang shengjiu