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Date:   Wed, 10 Mar 2021 17:37:25 +0100
Message-ID: <s5hzgzbvube.wl-tiwai@suse.de>
From:   Takashi Iwai <tiwai@suse.de>
To:     Mark Brown <broonie@kernel.org>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
        alsa-devel@alsa-project.org,
        Kai Vehmanen <kai.vehmanen@linux.intel.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        linux-kernel@vger.kernel.org, Takashi Iwai <tiwai@suse.com>,
        Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
        linux-tegra@vger.kernel.org, Jon Hunter <jonathanh@nvidia.com>,
        Bard liao <yung-chuan.liao@linux.intel.com>
Subject: Re: [PATCH V2] ASoC: soc-core: Prevent warning if no DMI table is present
In-Reply-To: <20210310161814.GA28564@sirena.org.uk>
References: <20210303115526.419458-1-jonathanh@nvidia.com>
        <91480f92-a3f5-e71f-acdc-ea74488ab0a1@linux.intel.com>
        <20210310133534.GD4746@sirena.org.uk>
        <6a2352e6-f2b7-def1-de58-52fbeb7846e5@linux.intel.com>
        <20210310161814.GA28564@sirena.org.uk>
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On Wed, 10 Mar 2021 17:18:14 +0100,
Mark Brown wrote:
> 
> On Wed, Mar 10, 2021 at 09:44:07AM -0600, Pierre-Louis Bossart wrote:
> > On 3/10/21 7:35 AM, Mark Brown wrote:
> 
> > > Just change it to a system level check for ACPI, checking for OF would
> > > leave problems for board files or any other alternative firmware
> > > interfaces.
> 
> > did you mean if (!IS_ENABLED(CONFIG_ACPI)) ?
> 
> Is there a runtime check?

Well, basically both DMI and ACPI are completely different things, so
I don't think it's right to check the availability of ACPI as a signal
of the availability of DMI.


Takashi