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

[Mark Brown]

On Tue, Mar 02, 2021 at 09:27:12AM +0000, Jon Hunter wrote:
> Many systems do not provide a DMI table and on these systems a warning,
> such as the following, is printed on boot ...
> 
>  WARNING KERN tegra-audio-graph-card sound: ASoC: no DMI vendor name!
> 
> If DMI support is enabled in the kernel, there is no simple way to
> detect if a DMI table is table or not. Note that the variable
> 'dmi_available' is not exported and so cannot be used by kernel modules.

We could fix that, or provide an accessor function?  Or only warn if
we're on an ACPI system (which we can check from a module).  This really
does feel like something we should be warning about on systems that are
supposed to have DMI information available as standard.

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