linux-kernel - [PATCH] ASoC: qcom: x1e80100: Add USB DisplayPort plug support

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Date: Tue,  4 Jun 2024 11:46:38 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Banajit Goswami <bgoswami@...cinc.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	alsa-devel@...a-project.org,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] ASoC: qcom: x1e80100: Add USB DisplayPort plug support

Add support for handling jack events of USB (DisplayPort).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Depends on:
https://lore.kernel.org/all/20240422134354.89291-1-srinivas.kandagatla@linaro.org/
---
 sound/soc/qcom/x1e80100.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/sound/soc/qcom/x1e80100.c b/sound/soc/qcom/x1e80100.c
index d7e0bd03dffd..bc00722b7fdd 100644
--- a/sound/soc/qcom/x1e80100.c
+++ b/sound/soc/qcom/x1e80100.c
@@ -20,12 +20,32 @@ struct x1e80100_snd_data {
 	struct snd_soc_card *card;
 	struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
 	struct snd_soc_jack jack;
+	struct snd_soc_jack hdmi_jack[8];
 	bool jack_setup;
 };
 
 static int x1e80100_snd_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_jack *hdmi_jack = NULL;
+	int hdmi_pcm_id = 0;
+
+	switch (cpu_dai->id) {
+	case DISPLAY_PORT_RX_0:
+		hdmi_pcm_id = 0;
+		hdmi_jack = &data->hdmi_jack[hdmi_pcm_id];
+		break;
+	case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7:
+		hdmi_pcm_id = cpu_dai->id - DISPLAY_PORT_RX_1 + 1;
+		hdmi_jack = &data->hdmi_jack[hdmi_pcm_id];
+		break;
+	default:
+		break;
+	}
+
+	if (hdmi_jack)
+		return qcom_snd_dp_jack_setup(rtd, hdmi_jack, hdmi_pcm_id);
 
 	return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
 }
-- 
2.43.0