linux-kernel - [PATCH v3 3/5] ASoC: qcom: sm8250: add DisplayPort Jack support

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Message-Id: <20250425-fp5-dp-sound-v3-3-7cb45180091b@fairphone.com>
Date: Fri, 25 Apr 2025 10:07:27 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Srinivas Kandagatla <srini@...nel.org>, 
 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 <konradybcio@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org, 
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v3 3/5] ASoC: qcom: sm8250: add DisplayPort Jack support

Add support for DisplayPort Jack events, so that user space can
configure the audio routing correctly.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 sound/soc/qcom/sm8250.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c
index e920b413b762c803cfcc4049f35deba828275478..a4bf6eff811ea3e2b005071cf3410e5a0410f5d8 100644
--- a/sound/soc/qcom/sm8250.c
+++ b/sound/soc/qcom/sm8250.c
@@ -25,6 +25,7 @@ struct sm8250_snd_data {
 	struct snd_soc_jack jack;
 	struct snd_soc_jack usb_offload_jack;
 	bool usb_offload_jack_setup;
+	struct snd_soc_jack dp_jack;
 	bool jack_setup;
 };
 
@@ -32,14 +33,16 @@ static int sm8250_snd_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
-	int ret;
 
-	if (cpu_dai->id == USB_RX)
-		ret = qcom_snd_usb_offload_jack_setup(rtd, &data->usb_offload_jack,
-						      &data->usb_offload_jack_setup);
-	else
-		ret = qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
-	return ret;
+	switch (cpu_dai->id) {
+	case DISPLAY_PORT_RX:
+		return qcom_snd_dp_jack_setup(rtd, &data->dp_jack, 0);
+	case USB_RX:
+		return qcom_snd_usb_offload_jack_setup(rtd, &data->usb_offload_jack,
+						       &data->usb_offload_jack_setup);
+	default:
+		return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
+	}
 }
 
 static void sm8250_snd_exit(struct snd_soc_pcm_runtime *rtd)

-- 
2.49.0