linux-kernel - Re: [RESEND v3 2/2] ASoC: qcom: sc8280xp: Add support for QCM6490 and QCS6490

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Date: Mon, 8 Apr 2024 14:48:05 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
 Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
 Banajit Goswami <bgoswami@...cinc.com>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, linux-arm-msm@...r.kernel.org,
 alsa-devel@...a-project.org, linux-sound@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 quic_rohkumar@...cinc.com
Subject: Re: [RESEND v3 2/2] ASoC: qcom: sc8280xp: Add support for QCM6490 and
 QCS6490

On 08/04/2024 14:45, Bjorn Andersson wrote:
> On Mon, Apr 08, 2024 at 09:53:31AM +0530, Mohammad Rafi Shaik wrote:
>> Add compatibles for sound card on Qualcomm QCM6490 IDP and
>> QCS6490 RB3Gen2 boards.
>>
>> Signed-off-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
>> ---
>>  sound/soc/qcom/sc8280xp.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c
>> index b7fd503a1666..878bd50ad4a7 100644
>> --- a/sound/soc/qcom/sc8280xp.c
>> +++ b/sound/soc/qcom/sc8280xp.c
>> @@ -169,6 +169,8 @@ static int sc8280xp_platform_probe(struct platform_device *pdev)
>>  }
>>  
>>  static const struct of_device_id snd_sc8280xp_dt_match[] = {
>> +	{.compatible = "qcom,qcm6490-idp-sndcard", "qcm6490"},
>> +	{.compatible = "qcom,qcs6490-rb3gen2-sndcard", "qcs6490"},
> 
> We now have 4 <platform>-sndcard and two <board>-sndcard compatibles
> here.
> 
> Not saying that your patch is wrong, but is this driver board-specific
> or soc-specific? Srinivas, Krzysztof?

To my understanding this is mostly board specific, but it is also
partially a software construct thus we simplify it by using SoC
compatible for all boards with given SoC.

I have no clue whether this applies here. I think we asked about
clarifying the differences, but as you can see nothing improved in the
commit msg.

Best regards,
Krzysztof