linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: acer-aspire1: Add sound

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Message-ID: <6048a2a3-cf0a-4f20-b96a-1855d69648ef@linaro.org>
Date:   Tue, 31 Oct 2023 11:07:06 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Nikita Travkin <nikita@...n.ru>
Cc:     cros-qcom-dts-watchers@...omium.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: acer-aspire1: Add sound

On 31.10.2023 08:26, Nikita Travkin wrote:
> Konrad Dybcio писал(а) 31.10.2023 02:51:
>> On 30.10.2023 22:50, Konrad Dybcio wrote:
>>> On 27.10.2023 16:42, Nikita Travkin wrote:
>>>> This laptop has two i2s speakers; an i2s audio codec for the headset
>>>> jack; two DMIC microphones in the lid and the displayport audio channel.
>>>>
>>>> This commit adds the audio node that describes all of the above with the
>>>> exception of the DMICs that require in-SoC digital codec to be brought
>>>> up, which will be done later.
>>>>
>>>> Note that the displayport channel is connected here for completeness,
>>>> but the displayport can't be used yet since the HPD signal is created by
>>>> the embedded controller, which will be added later.
>>>>
>>>> Signed-off-by: Nikita Travkin <nikita@...n.ru>
>>>> ---
>>> [...]
>>>
>>>
>>>> +		primary-tx-dai-link {
>>>> +			link-name = "Primary MI2S Capture";
>>>> +
>>>> +			cpu {
>>>> +				sound-dai = <&q6afedai PRIMARY_MI2S_TX>;
>>>> +			};
>>>> +
>>>> +			platform {
>>>> +				sound-dai = <&q6routing>;
>>>> +			};
>>>> +
>>>> +			codec {
>>>> +				sound-dai = <&alc5682 0>;
>>> Both RX and TX going to 5862 interface?
>> interface1*
> 
> Yes, indeed. The codec has a single i2s with rx and tx, and
> shared i2s clocks. They are connected to the prim i2s.
> 
> Codec playback is headphone jack, and capture is headset
> mic. It could have also been the lid dmics, like on trogdor
> but 2/3 describes that sad story...
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad