linux-kernel - Re: [alsa-devel] [PATCH V2] ASoC: fsl

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Date:   Fri, 19 Apr 2019 16:25:07 +0100
From:   Mark Brown <broonie@...nel.org>
To:     "S.j. Wang" <shengjiu.wang@....com>
Cc:     "timur@...nel.org" <timur@...nel.org>,
        "nicoleotsuka@...il.com" <nicoleotsuka@...il.com>,
        "Xiubo.Lee@...il.com" <Xiubo.Lee@...il.com>,
        "festevam@...il.com" <festevam@...il.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [alsa-devel] [PATCH V2] ASoC: fsl_esai: Add pm runtime function

On Fri, Apr 19, 2019 at 11:01:21AM +0000, S.j. Wang wrote:

> > fsl_esai_probe(struct platform_device *pdev)
> >                 return ret;
> >         }
> > 
> > +       pm_runtime_enable(&pdev->dev);
> > +

> I just have a question, do I need to add pm_runtime_idle(&pdev->dev)?

It gets used to help drivers get into the correct state on startup, if
you're unsure if it's 100% required it shouldn't hurt.

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