linux-kernel - Re: [PATCH v3 2/5] ASoC: dt-bindings: wcd937x-sdw: Add static channel mapping support

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Message-ID: <6bb8fe59-a1fc-9813-4623-d27e74a1b882@quicinc.com>
Date: Thu, 5 Dec 2024 09:26:50 +0530
From: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        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>, Vinod Koul <vkoul@...nel.org>,
        Bard Liao
	<yung-chuan.liao@...ux.intel.com>,
        Jaroslav Kysela <perex@...ex.cz>, "Takashi
 Iwai" <tiwai@...e.com>,
        Pierre-Louis Bossart
	<pierre-louis.bossart@...ux.dev>,
        Sanyog Kale <sanyog.r.kale@...el.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-sound@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_rohkumar@...cinc.com>,
        <kernel@...cinc.com>
Subject: Re: [PATCH v3 2/5] ASoC: dt-bindings: wcd937x-sdw: Add static channel
 mapping support

On 11/27/2024 1:38 PM, Krzysztof Kozlowski wrote:
> On Tue, Nov 26, 2024 at 10:12:57PM +0530, Mohammad Rafi Shaik wrote:
>> diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>> index d3cf8f59cb23..7893b1c1f80b 100644
>> --- a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>> +++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>> @@ -58,6 +58,44 @@ properties:
>>       items:
>>         enum: [1, 2, 3, 4, 5]
>>   
>> +  qcom,tx-channel-mapping:
>> +    description: |
>> +      Specifies static channel mapping between slave and master tx port
>> +      channels.
>> +      In the order of slave port channels which is adc1, adc2, adc3,
>> +      dmic0, dmic1, mbhc, dmic2, dmic3, dmci4, dmic5, dmic6, dmic7.
>> +      The channel map index values are fixed values.
>> +      SWRM_CH1 ==> 1
>> +      SWRM_CH2 ==> 2
>> +      SWRM_CH3 ==> 4
>> +      SWRM_CH4 ==> 8
> 
> I am surprised to see here again 1/2/4/8. My comments were not
> addressed. I think we agreed during our off-list talk that you will use
> 1, 2, 3 and 4.
> 
Ack,

Yes right,

Will add the change in next patch set.

will add the channel map values starting from 0 based on order of slave 
port channels which are starting from 0.

SWRM_CH1 ==> 0
SWRM_CH2 ==> 1
SWRM_CH3 ==> 2
SWRM_CH4 ==> 3

Thanks & Regards,
Rafi.

>> +
>> +    $ref: /schemas/types.yaml#/definitions/uint8-array
>> +    minItems: 12
>> +    maxItems: 12
>> +    additionalItems: false
>> +    items:
>> +      enum: [1, 2, 4, 8]
> 
> Best regards,
> Krzysztof
>