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

[Krzysztof Kozlowski]

On 27/10/2025 13:20, Konrad Dybcio wrote:
> On 10/21/25 1:10 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.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>>
>> ---
>>
>> ALSA UCM and audioreach topology will follow up as well.
>> ---
> 
> [...]
> 
>>  &mdss_dp0 {
>> +	sound-name-prefix = "DisplayPort0";
> 
> We should probably push this into SoC dtsi since #sound-dai-cells
> is there


Hm, that's important for user-space and represents actual naming or
wiring on the board, so it is strictly a board property. IOW, there
could be a board which does not have DP0, thus mdss_dp1 should be called
DP0.

If you are sure that such case does not exist, then indeed we can make
it shared.

Best regards,
Krzysztof