linux-kernel - Re: [PATCH 7/7] arm64: dts: qcom: qrb4210-rb2: add HDMI audio playback support

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Date: Fri, 28 Jun 2024 10:47:08 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Alexey Klimov <alexey.klimov@...aro.org>
Cc: linux-sound@...r.kernel.org, srinivas.kandagatla@...aro.org, 
	bgoswami@...cinc.com, lgirdwood@...il.com, broonie@...nel.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, andersson@...nel.org, 
	konrad.dybcio@...aro.org, perex@...ex.cz, tiwai@...e.com, linux-arm-msm@...r.kernel.org, 
	alsa-devel@...a-project.org, devicetree@...r.kernel.org, elder@...aro.org, 
	krzysztof.kozlowski@...aro.org, caleb.connolly@...aro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] arm64: dts: qcom: qrb4210-rb2: add HDMI audio
 playback support

On Fri, Jun 28, 2024 at 02:07:15AM GMT, Alexey Klimov wrote:
> Add sound node, dsp-related pieces and LPASS pinctrl to enable
> HDMI audio support on Qualcomm QRB4210 RB2 board. That is the
> only sound output supported for now.

I see that you have also added the MultiMedia DAIs, which don't seem to
be used with this patch.

> 
> Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 73 ++++++++++++++++++++++++
>  1 file changed, 73 insertions(+)
> 
> +&sound {
> +	compatible = "qcom,qrb4210-rb2-sndcard";
> +	pinctrl-0 = <&lpi_i2s2_active>;
> +	pinctrl-names = "default";
> +	model = "Qualcomm-RB2-WSA8815-Speakers-DMIC0";
> +	audio-routing = "MM_DL1",  "MultiMedia1 Playback",
> +			"MM_DL2",  "MultiMedia2 Playback";
> +
> +	mm1-dai-link {
> +		link-name = "MultiMedia1";
> +		cpu {
> +			sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA1>;
> +		};
> +	};
> +
> +	mm2-dai-link {
> +		link-name = "MultiMedia2";
> +		cpu {
> +			sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA2>;
> +		};
> +	};
> +
> +	mm3-dai-link {
> +		link-name = "MultiMedia3";
> +		cpu {
> +			sound-dai = <&q6asmdai  MSM_FRONTEND_DAI_MULTIMEDIA3>;
> +		};
> +	};
> +
> +	hdmi-dai-link {
> +		link-name = "HDMI Playback";
> +		cpu {
> +			sound-dai = <&q6afedai SECONDARY_MI2S_RX>;
> +		};
> +
> +		platform {
> +			sound-dai = <&q6routing>;
> +		};
> +
> +		codec {
> +			sound-dai = <&lt9611_codec 0>;
> +		};
> +	};
> +};
> +
>  &tlmm {
>  	gpio-reserved-ranges = <43 2>, <49 1>, <54 1>,
>  			       <56 3>, <61 2>, <64 1>,
> -- 
> 2.45.2
> 

-- 
With best wishes
Dmitry