linux-kernel - Re: [PATCH V2] ASoC: soc-core: Prevent warning if no DMI table is present

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Message-ID: <20210310165058.GC28564@sirena.org.uk>
Date:   Wed, 10 Mar 2021 16:50:58 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        linux-tegra@...r.kernel.org, Jon Hunter <jonathanh@...dia.com>,
        Bard liao <yung-chuan.liao@...ux.intel.com>
Subject: Re: [PATCH V2] ASoC: soc-core: Prevent warning if no DMI table is
 present

On Wed, Mar 10, 2021 at 05:37:25PM +0100, Takashi Iwai wrote:
> Mark Brown wrote:

> > > 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.

In theory they are only somewhat related, but in practice they're both
part of a holistic system model - ACPI users complain if their system
does not also provide DMI information.

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