ASoC: codecs: wsa881x: add static port map support

Two instances of WSA881x(Speaker Right, Speaker Left) ports
are statically mapped to master ports. Allow the driver to parse
those mappings from device tree.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

sound/soc/codecs/wsa881x.c

@@ -1105,6 +1105,11 @@ static int wsa881x_probe(struct sdw_slave *pdev,
 		return PTR_ERR(wsa881x->sd_n);
 	}
 
+	if (of_property_read_u32_array(dev->of_node, "qcom,port-mapping",
+				       pdev->m_port_map,
+				       WSA881X_MAX_SWR_PORTS))
+		dev_info(dev, "Static Port mapping not specified\n");
+
 	dev_set_drvdata(&pdev->dev, wsa881x);
 	wsa881x->slave = pdev;
 	wsa881x->dev = &pdev->dev;