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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