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SubjectRe: [PATCH 3/3] ASoC: rt5677: add a platform config option for DACREF source
On Wed, Dec 10, 2014 at 08:15:27PM -0800, Ben Zhang wrote:
> DACREF power source can come from external 1.8V or codec internal 1.8V.
> This patch adds the option to enable the internal DACREF power source.

> +- realtek,internal-dacref-en
> + Select codec internal 1.8V as DACREF source optionally.
> +

Why is this not done using the regulator API - don't we need to ensure
that the external DACREF is enabled if it's there? I don't think we
need to model the internal reference as a regulator (we can just set
the registers up in that case) but if it's off device I'd expect to be
making sure that it's turned on.
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