linux-kernel - Re: [PATCH v1 2/2] ASoC: qcom: qcm6490: Add machine driver for qcm6490

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Date: Fri, 29 Mar 2024 16:58:19 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Mohammad Rafi Shaik <quic_mohs@...cinc.com>,
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: srinivas.kandagatla@...aro.org, bgoswami@...cinc.com, broonie@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, andersson@...nel.org,
 konrad.dybcio@...aro.org, lgirdwood@...il.com, tiwai@...e.com,
 quic_rohkumar@...cinc.com, linux-kernel@...r.kernel.org,
 alsa-devel@...a-project.org, linux-sound@...r.kernel.org,
 linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v1 2/2] ASoC: qcom: qcm6490: Add machine driver for
 qcm6490

On 29/03/2024 16:19, Mohammad Rafi Shaik wrote:
> 
> On 3/27/2024 6:39 PM, Dmitry Baryshkov wrote:
>> On Wed, 27 Mar 2024 at 13:34, Mohammad Rafi Shaik<quic_mohs@...cinc.com>  wrote:
>>> Add machine driver for qcm6490 SoC.
>>>
>>> This initial supports which includes WSA883x Speakers with onboard DMIC
>>> connected to internal LPASS codec via VA macros respectively and also
>>> WCD937x based headset.
>>>
>>> Add compatible for sound card on Qualcomm qcs6490 boards.
>> Granted that qcm6490 is similar to sc7280, is there any reason why you
>> can not use one of the existing sound card drivers? Like sc7280.c or
>> sc8280xp.c?
> 
> The qcs6490/qcm6490 has additional interfaces like MI2S, which requires 
> additional machine driver modification.
> 
> Example : Required new DAPM widget change in machine driver for MI2S 
> interface which is specific to qcs6490/qcm6490.
> 
> So, using new qcm6490 machine driver.
> 
> Will try to use existing sc8280xp.c machine driver.

In that case, if it does not fit into sc8280xp, it looks fine for a new
driver. Maybe just mention this in commit msg.

Best regards,
Krzysztof