linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: x1e78100-t14s: Add audio playback over DisplayPort

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Message-ID: <564732e7-2c86-417d-8568-69f40ea7d4da@kernel.org>
Date: Wed, 17 Dec 2025 13:38:08 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
 Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Abel Vesa <abel.vesa@...aro.org>
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: x1e78100-t14s: Add audio
 playback over DisplayPort

On 17/12/2025 13:33, Konrad Dybcio wrote:
> On 12/17/25 1:00 PM, Krzysztof Kozlowski wrote:
>> Add necessary DAI links and DAI name prefixes to enable audio playback
>> over USB/DisplayPort and HDMI.  The HDMI port is not yet enabled, but it
>> should carry respective DAI name prefix regardless.
>>
>> Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
>>
>> ---
> 
> (something's inserting a \n before --- in your latest patches but I

No, it is not. It was always like that and only recently git started
dropping it, but it is irrelevant.

> don't know if this is a problem)
> 
> [...]
> 
>> +		displayport-2-dai-link {
>> +			link-name = "DisplayPort2 Playback";
>> +
>> +			codec {
>> +				sound-dai = <&mdss_dp2>;
> 
> How does this work out with fw_devlink?

How is this related to this patchset? Please stop nit-picking irrelevant
things.

Best regards,
Krzysztof