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

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Date: Tue, 23 Apr 2024 15:05:50 +0200
From: Konrad Dybcio <konrad.dybcio@...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,
 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 4/2/24 11:20, Mohammad Rafi Shaik wrote:
> On 3/30/2024 12:09 AM, Dmitry Baryshkov wrote:
>> Hi,
>>
>> On Fri, 29 Mar 2024 at 17:20, Mohammad Rafi Shaik <quic_mohs@...cinc.com> 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:
>>
>> Please turn off HTML mail composition and never ever send HTML email
>> to OSS mailing lists.
>> Now quotation levels are broken...
>>
>>>
>>> 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.
>>
>> What about sc7280? In the end, qcm6490 is sc7280 with different firmware / spin.
>>
>>
> 
> The sc7280 is tightly linked with realtek codec. which will only support for chrome.

Perhaps we should rename it and stop suggesting it's for all 7280-like platforms then..

> The sc8280xp.c machine driver is more suitable for qcm6490, will use same sc8280xp.

This in turn, should it become something like snd-qcom-audioreach?

Konrad