linux-kernel - Re: [PATCH 1/2] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add WSA2 audio ports IDs

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Date:   Mon, 23 Oct 2023 13:41:46 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add WSA2
 audio ports IDs

On 23/10/2023 10:37, Srinivas Kandagatla wrote:
> Hi Krzysztof,
> 
> On 19/10/2023 16:35, Krzysztof Kozlowski wrote:
>> Add defines for audio ports used on Qualcomm WSA2 LPASS (Low Power
>> Audio SubSystem).
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>   include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
>> index 39f203256c4f..c5ea35abf129 100644
>> --- a/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
>> +++ b/include/dt-bindings/sound/qcom,q6dsp-lpass-ports.h
>> @@ -139,6 +139,11 @@
>>   #define DISPLAY_PORT_RX_5	133
>>   #define DISPLAY_PORT_RX_6	134
>>   #define DISPLAY_PORT_RX_7	135
>> +#define WSA2_CODEC_DMA_RX_0	136
>> +#define WSA2_CODEC_DMA_TX_0	137
>> +#define WSA2_CODEC_DMA_RX_1	138
>> +#define WSA2_CODEC_DMA_TX_1	139
>> +#define WSA2_CODEC_DMA_TX_2	140
>>   
> 
> Patches looks fine as it is, but do you realize that this s a dead code 
> w.r.t upstream.
> WSA2 is used only with 4 speaker setup and in such cases we use WSA 
> codec dma to drive 4 channels.
> 
> So WSA2 will not be used by itself.
> I would prefer support for this to be added when we are really able to 
> test WSA2 by itself.

OK, the patchset can be ignored.

Best regards,
Krzysztof