linux-kernel - RE: [alsa-devel] [PATCH V1 1/3] ASoC: fsl: Kconfig: remove dependence of SND_IMX_SOC for SND_SOC_IMX_PCM

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Message-ID: <fb8086a68ed74e0794d34f66c2396b30@BN1PR0301MB0609.namprd03.prod.outlook.com>
Date:	Tue, 19 Aug 2014 08:31:47 +0000
From:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To:	"shengjiu.wang@...escale.com" <shengjiu.wang@...escale.com>
CC:	Lars-Peter Clausen <lars@...afoo.de>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"broonie@...nel.org" <broonie@...nel.org>,
	"perex@...ex.cz" <perex@...ex.cz>, "tiwai@...e.de" <tiwai@...e.de>,
	"nicoleotsuka@...il.com" <nicoleotsuka@...il.com>,
	"shc_work@...l.ru" <shc_work@...l.ru>,
	"Fabio.Estevam@...escale.com" <Fabio.Estevam@...escale.com>,
	"xobs@...agi.com" <xobs@...agi.com>,
	"arnd@...db.de" <arnd@...db.de>,
	"sfr@...b.auug.org.au" <sfr@...b.auug.org.au>,
	"timur@...i.org" <timur@...i.org>,
	"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 V1 1/3] ASoC: fsl: Kconfig: remove dependence
 of SND_IMX_SOC for SND_SOC_IMX_PCM_DMA

> > > Lars-Peter Clausen & Arnd
> > >
> > > The purpose of Arnd's patch is same with me, which is to resolve the build
> > > error when SND_SOC_IMX_PCM_DMA=m & SND_SOC_FSL_SSI/SAI/ESAI/SPDIF=y, the
> > > error is "undefined reference to `imx_pcm_dma_init'".
> > > But Arnd's patch didn't involve this situation that SND_IMX_SOC=n &
> > > SND_SOC_IMX_PCM_DMA=m.
> > >
> > > Currently I think out a solution for this issue is to change
> > >
> > > select SND_SOC_IMX_PCM_DMA if SND_IMX_SOC != n
> > >
> > > to
> > >
> > > depends on SND_SOC_IMX_PCM_DMA != m
> > >
> > > How do you think about this?
> > >
> >
> > What will happen if to build both SAI/ESAI and IMX_PCM_DMA as modules at the
> same
> > time ?
> >
> > Thanks,
> >
> > BRs
> > Xiubo
> 
> I didn't find error/warning when SAI/ESAI and IMX_PCM_DMA are as modules. The
> build is successful.
> 

Yes, but if IMX_PCM_DMA == m, the SAI/ESAI will be invisible in menuconfig....
Does it matter here ?

BRs
Xiubo


> >
> >
> > > best regards
> > > Wang shengjiu
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