How to enable max98357a in sound/soc/codecs

[valdis.kletnieks at vt.edu]

On Thu, 04 Oct 2018 12:44:00 +0100, Paul Nader said:

> I'm trying to enable the max98357a codec in sound/soc/codecs.

> In the Kconfig file it is listed with an empty tristate so it doesn't show
> up when I do a make menu config.

That's usually a result of the variable being enabled by a 'select' elsewhere.

> How can I enable it without adding a description to the tristate?

Enable something that does a 'select'.  Look in a 'git grep MAX98357A'
or "find . -name 'Kconfig*' | xargs grep MAX98357A' .  It looks like that
part is mostly used for some arm64 (it's in the defconfig) and some
Intel SoC boards.  Look at sound/soc/intel/boards/Kconfig.
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