Re: [PATCH v4 4/4] arm64: dts: rockchip: enable HDMI RX audio capture on Orange Pi 5 Plus

From: Sebastian Reichel <sebastian.reichel@collabora.com>
To: Igor Paunovic <royalnet026@gmail.com>
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>,
	 Mauro Carvalho Chehab <mchehab@kernel.org>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Heiko Stuebner <heiko@sntech.de>,
	linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
	 linux-arm-kernel@lists.infradead.org, kernel@collabora.com,
	devicetree@vger.kernel.org,  linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 4/4] arm64: dts: rockchip: enable HDMI RX audio capture on Orange Pi 5 Plus
Date: Tue, 21 Jul 2026 17:15:03 +0200	[thread overview]
Message-ID: <al-M4gZ4cZwpEF_H@venus> (raw)
In-Reply-To: <20260721064115.64809-5-royalnet026@gmail.com>

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Hi,

On Tue, Jul 21, 2026 at 08:41:15AM +0200, Igor Paunovic wrote:
> Enable the shared HDMI RX sound card and the i2s7_8ch interface it
> uses. Together with the audio capture support in the snps_hdmirx
> driver this exposes a capture-only ALSA card fed by the HDMI input.
> 
> Tested on the Orange Pi 5 Plus with multiple HDMI sources: capture
> follows the source sample rate and stays in sync via the FIFO-level
> clock tracking in the driver.
> 
> Signed-off-by: Igor Paunovic <royalnet026@gmail.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>

-- Sebastian

> Changes in v4:
> - only enable the shared hdmi_receiver_sound card and i2s7_8ch, now
>   that the card definition lives in rk3588-extra.dtsi (Sebastian
>   Reichel)
> 
> New in v3.
>  arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> index 9950d11..9f9a303 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> @@ -171,6 +171,10 @@
>  	status = "okay";
>  };
>  
> +&hdmi_receiver_sound {
> +	status = "okay";
> +};
> +
>  &hdptxphy0 {
>  	status = "okay";
>  };
> @@ -247,6 +251,10 @@
>  	status = "okay";
>  };
>  
> +&i2s7_8ch {
> +	status = "okay";
> +};
> +
>  &led_blue_gpio {
>  	gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_HIGH>;
>  	status = "okay";
> -- 
> 2.53.0
> 

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