[PATCH 4/4] arm64: dts: rockchip: add HDMI audio on ROCK 4D

[Cristian Ciocaltea]

On 6/30/25 1:19 PM, Nicolas Frattaroli wrote:
> Much like the Sige5, the ROCK 4D also has an HDMI port, so is capable of
> providing HDMI audio output as well.
> 
> Enable the SoC's hdmi_sound card, and also enable the SoC audio
> controller (sai6) that feeds into it.
> 
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>

This worked as expected on my ROCK 4D board after enabling
CONFIG_SND_SOC_ROCKCHIP_SAI, hence

Tested-by: Cristian Ciocaltea <cristian.ciocaltea at collabora.com>