Re: [PATCH 4.20 066/352] ASoC: sunxi: sun50i-codec-analog: Add support for cpvdd regulator supply

[Mark Brown]

On Mon, Feb 11, 2019 at 03:14:53PM +0100, Greg Kroah-Hartman wrote:

> On the Allwinner A64 SoCs, the audio codec has a built-in headphone
> amplifier. This amplifier has a power supply separate from the rest of
> the analog audio circuitry, labeled cpvdd.

> This patch adds a DAPM widget for this supply, and ties it to the
> headphone amp widget.

This is more a new feature than a bug fix, it doesn't look like obvious
stable material.

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