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Date:   Mon, 22 Feb 2021 13:46:50 +0000
From:   Mark Brown <broonie@kernel.org>
To:     Shengjiu Wang <shengjiu.wang@gmail.com>
Cc:     Shengjiu Wang <shengjiu.wang@nxp.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, alsa-devel@alsa-project.org,
        Timur Tabi <timur@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        linuxppc-dev@lists.ozlabs.org, Xiubo Li <Xiubo.Lee@gmail.com>,
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        Takashi Iwai <tiwai@suse.com>,
        Nicolin Chen <nicoleotsuka@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Fabio Estevam <festevam@gmail.com>
Subject: Re: [PATCH v2 2/7] ASoC: fsl_rpmsg: Add CPU DAI driver for audio
 base on rpmsg
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On Thu, Feb 18, 2021 at 03:57:11PM +0800, Shengjiu Wang wrote:

> Can I add a flag:
> "rpmsg->mclk_streams & BIT(substream->stream)"
> for avoiding multiple calls of hw_params function before enabling
> clock?

Yes, if you do local refcounting that'd avoid the issue.

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