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SubjectRe: [PATCH v4 3/3] arm64: dts: qcom: sc8280xp-x13s: Add soundcard support
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On 23/11/2022 11:43, Srinivas Kandagatla wrote:
> +
> +&swr1 {
> + status = "okay";
> +
> + wcd_rx: wcd9380-rx@0,4 {
> + compatible = "sdw20217010d00";
> + reg = <0 4>;
> + qcom,rx-port-mapping = <1 2 3 4 5>;
> + };
> +};
> +
> +&swr2 {
> + status = "okay";
> +
> + wcd_tx: wcd9380-tx@0,3 {
> + compatible = "sdw20217010d00";
> + reg = <0 3>;
> + qcom,tx-port-mapping = <1 1 2 3>;

I think I solved my head-phones one-channel problem.
This should be <1 2 3> and in DTSI:
qcom,din-ports = <3>;

The downstream waipio-audio-overlay.dtsi says:

56 qcom,swr-port-mapping = <1 SWRM_TX1_CH1 0x1>,
57 <1 SWRM_TX1_CH2 0x2>,
58 <1 SWRM_TX1_CH3 0x4>, <1 SWRM_TX1_CH4 0x8>,
59 <2 SWRM_TX2_CH1 0x1>, <2 SWRM_TX2_CH2 0x2>,
60 <2 SWRM_TX2_CH3 0x4>, <2 SWRM_TX2_CH4 0x8>,
61 <3 SWRM_TX3_CH1 0x1>, <3 SWRM_TX3_CH2 0x2>,
62 <3 SWRM_TX3_CH3 0x4>, <3 SWRM_TX3_CH4 0x8>;

I just don't know what how to trim the port config properties - we
have there four entries, but channels are only three?

Where do these come from? The downstream:
asoc/waipio-port-config.h / lahaina-port-config.h
Do do not have port config for this SWR.



Best regards,
Krzysztof

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