Re: [PATCH v2 02/17] ASoC: dt-bindings: Add support for the GPIOs driven amplifier

Rob Herring (Arm)
2026-05-06T14:55:12Z

On Wed, 29 Apr 2026 09:43:38 +0200, Herve Codina wrote:
> Some amplifiers based on analog switches and op-amps can be present in
> the audio path and can be driven by GPIOs in order to control their gain
> value, their mute and/or bypass functions.
>
> Those components needs to be viewed as audio components in order to be
> fully integrated in the audio path.
>
> gpio-audio-amp allows to consider these GPIO driven amplifiers as
> auxiliary audio devices.
>
> Signed-off-by: Herve Codina <herve.codina@bootlin.com>
> ---
> .../bindings/sound/gpio-audio-amp.yaml | 270 ++++++++++++++++++
> 1 file changed, 270 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/gpio-audio-amp.yaml
>

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>