linux-kernel - [PATCH 2/6] ASoC: codecs: wsa883x: parse port-mapping information

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Message-Id: <20240626-port-map-v1-2-bd8987d2b332@linaro.org>
Date: Thu, 27 Jun 2024 12:55:18 +0100
From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To: 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>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, 
 Neil Armstrong <neil.armstrong@...aro.org>, alsa-devel@...a-project.org, 
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 2/6] ASoC: codecs: wsa883x: parse port-mapping information

Add support to parse static master port map information from device tree.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/codecs/wsa883x.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c
index a2e86ef7d18f..43156d39480f 100644
--- a/sound/soc/codecs/wsa883x.c
+++ b/sound/soc/codecs/wsa883x.c
@@ -1399,6 +1399,14 @@ static int wsa883x_probe(struct sdw_slave *pdev,
 	wsa883x->sconfig.direction = SDW_DATA_DIR_RX;
 	wsa883x->sconfig.type = SDW_STREAM_PDM;
 
+	/**
+	 * Port map index starts with 0, however the data port for this codec
+	 * are from index 1
+	 */
+	if (of_property_read_u32_array(dev->of_node, "qcom,port-mapping", &pdev->m_port_map[1],
+					WSA883X_MAX_SWR_PORTS))
+		dev_info(dev, "Static Port mapping not specified\n");
+
 	pdev->prop.sink_ports = GENMASK(WSA883X_MAX_SWR_PORTS, 0);
 	pdev->prop.simple_clk_stop_capable = true;
 	pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop;

-- 
2.25.1