Re: [PATCH v2 1/2] arm64: dts: qcom: sc8280xp-microsoft-blackrock: Replace old sound nodes, enable DisplayPort audio

[Jérôme de Bretagne]

Le mar. 25 août 2026 à 16:07, Jens Glathe via B4 Relay
<devnull+jens.glathe.oldschoolsolutions.biz@xxxxxxxxxx> a écrit :
>
> From: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>
>
> The Windows Dev Kit 2023 has no built-in speakers, microphones or
> headphone jack. Likewise the device with the same mainboard, Surface
> Pro 9 5G [1].

Potential nitpick, I don't know : the Surface Pro 9 5G has built-in
speakers and microphones but no headphone jack, so I find the
"Likewise ..." sentence confusing or misleading somehow.

This has no impact on the actual code changes though.

> The previous WCD938x / WSA / VA sound card definition
> was therefore non-functional.
>
> Replace the unused codec nodes, SoundWire controllers, LPASS macros
> and related pinctrl with DisplayPort DAI links (DP0/DP1/DP2) so that
> audio is available over the DP connectors. Add the required
> sound-name-prefix properties and update the card model name to the
> conventional SC8280XP-MICROSOFT-BLACKROCK form.
>
> [1]: https://support.microsoft.com/en-us/surface/models/surface-pro-9-features-and-specs
>
> Fixes: 16a7fed11714 ("arm64: dts: qcom: sc8280xp-blackrock: dt definition for WDK2023")
> Signed-off-by: Jens Glathe <jens.glathe@xxxxxxxxxxxxxxxxxxxxxx>

Cheers,
Jérôme