linux-kernel - Re: [PATCH 1/3] ASoC: simple-card-utils: Fix device module clock

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Message-ID: <a201acf4-ac96-35c3-1703-1b53a304361b@nvidia.com>
Date:   Thu, 11 Mar 2021 00:49:07 +0530
From:   Sameer Pujar <spujar@...dia.com>
To:     Michael Walle <michael@...le.cc>, <broonie@...nel.org>
CC:     <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <jonathanh@...dia.com>, <kuninori.morimoto.gx@...esas.com>,
        <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <robh@...nel.org>, <sharadg@...dia.com>, <thierry.reding@...il.com>
Subject: Re: [PATCH 1/3] ASoC: simple-card-utils: Fix device module clock



On 3/10/2021 11:44 PM, Michael Walle wrote:

> Btw I'm pretty sure, the MCLK was enabled and disabled depending on
> whether there was an audio stream, the last time I've measured the
> clock.

This may be true in your case because wm8904 driver does an explicit 
clock enable/disable and does not rely on simple-card-utils for this. In 
my case it depends on simple-card-utils.