linux-kernel - Re: [PATCH v4 1/2] ASoC: dt-bindings: sound-card-common: List sound widgets ignoring system suspend

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Date:   Thu, 26 Oct 2023 12:58:42 -0500
From:   Rob Herring <robh@...nel.org>
To:     Chancel Liu <chancel.liu@....com>
Cc:     lgirdwood@...il.com, broonie@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        shengjiu.wang@...il.com, Xiubo.Lee@...il.com, festevam@...il.com,
        nicoleotsuka@...il.com, perex@...ex.cz, tiwai@...e.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 1/2] ASoC: dt-bindings: sound-card-common: List sound
 widgets ignoring system suspend

On Mon, Oct 23, 2023 at 10:07:17AM +0800, Chancel Liu wrote:
> Add a property to list audio sound widgets which are marked ignoring
> system suspend. Paths between these endpoints are still active over
> suspend of the main application processor that the current operating
> system is running.

Perhaps it would be better to define components used for low power 
audio rather than the OS mode that gets used. Isn't LPA just audio 
handling that doesn't require the OS CPU to be involved? So the state of 
the CPU is kind of orthogonal.

Rob