From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [alsa-devel] [PATCH] ASoC: SOF: Fix build error with CONFIG_SND_SOC_SOF_NOCODEC=m
Date: Fri, 10 May 2019 15:41:10 +0200
Message-ID: <s5hbm0amnpl.wl-tiwai@suse.de>
References: <20190510023657.8960-1-yuehaibing@huawei.com>
        <s5h7eayn5or.wl-tiwai@suse.de>
        <73c6dd27-895a-adba-a4ef-2992266fcc48@linux.intel.com>
        <s5hlfzempf0.wl-tiwai@suse.de>
        <1e7e1908-a813-6c9b-5b88-122864d3a372@linux.intel.com>
Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset=US-ASCII
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <1e7e1908-a813-6c9b-5b88-122864d3a372@linux.intel.com>
Sender: linux-kernel-owner@vger.kernel.org
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, rdunlap@infradead.org, YueHaibing <yuehaibing@huawei.com>, lgirdwood@gmail.com, broonie@kernel.org
List-Id: alsa-devel@alsa-project.org

On Fri, 10 May 2019 15:34:03 +0200,
Pierre-Louis Bossart wrote:
> 
> On 5/10/19 8:04 AM, Takashi Iwai wrote:
> > On Fri, 10 May 2019 14:56:29 +0200,
> > Pierre-Louis Bossart wrote:
> >>
> >> On 5/10/19 2:12 AM, Takashi Iwai wrote:
> >>> On Fri, 10 May 2019 04:36:57 +0200,
> >>> YueHaibing wrote:
> >>>>
> >>>> Fix gcc build error while CONFIG_SND_SOC_SOF_NOCODEC=m
> >>>>
> >>>> sound/soc/sof/core.o: In function `snd_sof_device_probe':
> >>>> core.c:(.text+0x4af): undefined reference to `sof_nocodec_setup'
> >>>>
> >>>> Change SND_SOC_SOF_NOCODEC to bool to fix this.
> >>>>
> >>>> Reported-by: Hulk Robot <hulkci@huawei.com>
> >>>> Fixes: c16211d6226d ("ASoC: SOF: Add Sound Open Firmware driver core")
> >>>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> >>>
> >>> This change would break things severely.  This won't allow to build it
> >>> as a module any longer.
> >>
> >> Isn't this fixed already?
> >> See the patch  'ASoC: SOF: core: fix undefined nocodec reference' and
> >> Takashi's follow-up to fix the unused variable warning.
> >
> > Possibly the problem still persists although I haven't seen through my
> > local build tests with randconfig.  You can set SND_SOC_SOF=y and
> > SND_SOC_NOCODEC=m, i.e. built-in sof-core while nocodec is a module.
> 
> YueHiabing, can you share the config and SHA1 so that we can double check?
> 
> If the problem persists, we can do something like
> 
> config SND_SOF_NOCODEC_SUPPORT
> 	bool "SOF nocodec mode support"
> 
> config SND_SOF_NOCODEC
> 	tristate
> 
> confir SND_SOC_SOF
> 	tristate
> 	select SND_SOF_NOCODEC if SND_SOF_NOCODEC_SUPPORT
> 
> that way you propagate the required dependencies

Yes, that would work.  OTOH, I see no merit to build an extra module
for nocodec.  nocodec.c can be built together with sof-core stuff.


thanks,

Takashi