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Message-ID: <c3e682dd-7bb7-4662-b97d-872df1ff879d@linaro.org>
Date:   Mon, 25 Sep 2023 08:51:19 +0200
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Subject: Re: [PATCH 1/2] ASoC: dt-bindings: fsl_rpmsg: List DAPM endpoints
 ignoring suspend
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To:     Chancel Liu <chancel.liu@nxp.com>, lgirdwood@gmail.com,
        broonie@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com,
        nicoleotsuka@gmail.com, perex@perex.cz, tiwai@suse.com,
        shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
        linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
References: <20230925024847.2971421-1-chancel.liu@nxp.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20230925024847.2971421-1-chancel.liu@nxp.com>
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Precedence: bulk

On 25/09/2023 04:48, Chancel Liu wrote:
> Add a property to list DAPM endpoints which mark paths between these
> endpoints ignoring suspend. These DAPM paths can still be power on when
> system enters into suspend.
> 
> Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
> ---
>  Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml b/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml
> index 188f38baddec..ec6e09eab427 100644
> --- a/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml
> +++ b/Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml
> @@ -91,6 +91,12 @@ properties:
>        - rpmsg-audio-channel
>        - rpmsg-micfil-channel
>  
> +  fsl,lpa-widgets:

What is LPA? It's not explained in property description.

> +    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
> +    description: |
> +      A list of DAPM endpoints which mark paths between these endpoints
> +      ignoring suspend.

And how does it differ from audio-routing? Also, you need to explain
what is "suspend" in this context. Bindings are independent of Linux.

Best regards,
Krzysztof