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From:   Fabio Estevam <festevam@gmail.com>
Date:   Thu, 29 Jun 2023 07:59:53 -0300
Message-ID: <CAOMZO5DPHmm7YuHBfYHpx2-g4R6t1BQ93GBAZvyyb_rBz7+hFg@mail.gmail.com>
Subject: Re: [PATCH 3/6] ASoC: fsl_easrc: define functions for memory to
 memory usage
To:     Shengjiu Wang <shengjiu.wang@nxp.com>
Cc:     tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com,
        nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org,
        perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org,
        linuxppc-dev@lists.ozlabs.org
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Hi Shengjiu,

On Wed, Jun 28, 2023 at 11:10=E2=80=AFPM Shengjiu Wang <shengjiu.wang@nxp.c=
om> wrote:
>
> ASRC can be used on memory to memory case, define several
> functions for m2m usage and export them as function pointer.
>
> Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

Could you please explain what is the benefit of using M2M in the EASRC driv=
er?

A few weeks ago, an imx8mn user reported that the EASRC with the
mainline kernel introduces huge delays.

Does M2M help with this aspect?

Thanks