linux-kernel - Re: [PATCH] ASoC: fsl: add imx-cs427x machine driver

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Date:	Tue, 26 Jan 2016 09:42:35 -0800
From:	Nicolin Chen <nicoleotsuka@...il.com>
To:	Fabio Estevam <festevam@...il.com>,
	Felipe Ferreri Tonello <eu@...ipetonello.com>
Cc:	Rob Herring <robh@...nel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Takashi Iwai <tiwai@...e.com>
Subject: Re: [PATCH] ASoC: fsl: add imx-cs427x machine driver

On Tue, Jan 26, 2016 at 09:05:42AM -0200, Fabio Estevam wrote:
> On Tue, Jan 26, 2016 at 9:01 AM, Felipe Ferreri Tonello
> <eu@...ipetonello.com> wrote:
> 
> > Actually yes, thanks! I didn't know about the existence of fsl-asoc-card.
> >
> > I get some errors but I don't think they actually matter:
> > [   19.734494] fsl-asrc 2034000.asrc: driver registered
> > [   19.738707] fsl-asoc-card sound: ASoC: CPU DAI (null) not registered
> > [   19.738717] fsl-asoc-card sound: snd_soc_register_card failed (-517)
> > [   19.741556] fsl-asoc-card sound: ASoC: CPU DAI (null) not registered
> > [   19.741564] fsl-asoc-card sound: snd_soc_register_card failed (-517)

Deferred probes shouldn't be a problem.

> > [   19.774591] fsl-asoc-card sound: cs4271-hifi <-> 2028000.ssi mapping ok

Link is mapped.

> > [   19.781507] fsl-asoc-card sound: ASoC: no source widget found for
> > ASRC-Playback
> > [   19.790065] fsl-asoc-card sound: ASoC: Failed to add route
> > ASRC-Playback -> direct -> CPU-Playback
> > [   19.805349] fsl-asoc-card sound: ASoC: no sink widget found for
> > ASRC-Capture
> > [   19.817222] fsl-asoc-card sound: ASoC: Failed to add route
> > CPU-Capture -> direct -> ASRC-Capture

You may ignore these "failures" if you don't have ASRC at all. It's
optional based on the SoC design or platform requirement. Refer to:
Documentation/devicetree/bindings/sound/fsl-asoc-card.txt

But I think the log over here could be less confusing. I may try to
clean it later.

Thanks
Nicolin