Re: [PATCH v4 1/4] ASoC: dt-bindings: wcd937x-sdw: Add static channel mapping support

[Krzysztof Kozlowski <krzk@xxxxxxxxxx>]

On Mon, Dec 09, 2024 at 10:25:48AM +0530, Mohammad Rafi Shaik wrote:
> Add static channel mapping between master and slave rx/tx ports for
> Qualcomm wcd937x soundwire codec.
> 
> Currently, the channel map index value for each soundwire port is
> hardcoded in the wcd937x-sdw driver, and the same channel map index
> value is configured in the soundwire master.
> 
> The Qualcomm board like the QCM6490-IDP require static channel map
> settings for the soundwire master and slave ports.
> 
> If another boards which are using enable wcd937x, the channel mapping
> index values between master and slave may be different depending on the
> board hw design and requirements. If the above properties are not used
> in a SoC specific device tree, the channel mapping index values are set
> to default.
> 
> With the introduction of the following channel mapping properties, it is
> now possible to configure the master channel mapping directly from the
> device tree.
> 
> The qcom,tx-channel-mapping property specifies the static channel mapping
> between the slave and master tx ports in the order of slave port channels
> which is adc1, adc2, adc3, adc4, dmic0, dmic1, mbhc, dmic2, dmic3, dmci4,
> dmic5, dmic6, dmic7.
> 
> The qcom,rx-channel-mapping property specifies the static channel mapping
> between the slave and master rx ports in the order of slave port channels
> which is hph_l, hph_r, clsh, comp_l, comp_r, lo, dsd_r, dsd_l.
> 
> Signed-off-by: Mohammad Rafi Shaik <quic_mohs@xxxxxxxxxxx>
> ---
>  .../bindings/sound/qcom,wcd937x-sdw.yaml      | 36 +++++++++++++++++++
>  1 file changed, 36 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
> index d3cf8f59cb23..9209667044ba 100644
> --- a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
> +++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
> @@ -58,6 +58,40 @@ 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.
> +    $ref: /schemas/types.yaml#/definitions/uint8-array
> +    minItems: 12
> +    maxItems: 12
> +    additionalItems: false
> +    items:
> +      enum:
> +        - 0  # WCD9370_SWRM_CH1

Drop the comments. This does not implement my feedback and you sent it
four days after I replied to you.

Best regards,
Krzysztof