linux-kernel - [PATCH 2/4] ASoC: qcom: common: add Display port Jack function

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Date: Fri, 19 Apr 2024 16:01:38 +0100
From: srinivas.kandagatla@...aro.org
To: broonie@...nel.org
Cc: perex@...ex.cz,
	tiwai@...e.com,
	lgirdwood@...il.com,
	alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org,
	steev@...i.org,
	jenneron@...tmarketos.org,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 2/4] ASoC: qcom: common: add Display port Jack function

From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Add a common function to add Display port jack, this can be used by
multiple board files and avoid any code duplication.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/qcom/common.c | 30 ++++++++++++++++++++++++++++++
 sound/soc/qcom/common.h |  3 +++
 2 files changed, 33 insertions(+)

diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c
index 747041fa7866..50abd4acaa3e 100644
--- a/sound/soc/qcom/common.c
+++ b/sound/soc/qcom/common.c
@@ -7,10 +7,14 @@
 #include <sound/jack.h>
 #include <linux/input-event-codes.h>
 #include "common.h"
+#define NAME_SIZE	32
 
 static const struct snd_soc_dapm_widget qcom_jack_snd_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_SPK("HDMI/DP0 Jack", NULL),
+	SND_SOC_DAPM_SPK("HDMI/DP1 Jack", NULL),
+	SND_SOC_DAPM_SPK("HDMI/DP2 Jack", NULL),
 };
 
 int qcom_snd_parse_of(struct snd_soc_card *card)
@@ -239,4 +243,30 @@ int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup);
+
+int qcom_snd_dp_jack_setup(struct snd_soc_pcm_runtime *rtd,
+			   struct snd_soc_jack *hdmi_jack, int hdmi_pcm_id)
+{
+	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
+	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
+	struct snd_soc_card *card = rtd->card;
+	char jack_name[NAME_SIZE];
+	int rval, i;
+
+	snprintf(jack_name, sizeof(jack_name), "HDMI/DP%d Jack", hdmi_pcm_id);
+	rval = snd_soc_card_jack_new(card, jack_name, SND_JACK_AVOUT, hdmi_jack);
+	if (rval)
+		return rval;
+
+	for_each_rtd_codec_dais(rtd, i, codec_dai) {
+		rval = snd_soc_component_set_jack(codec_dai->component, hdmi_jack, NULL);
+		if (rval != 0 && rval != -ENOTSUPP) {
+			dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+			return rval;
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(qcom_snd_dp_jack_setup);
 MODULE_LICENSE("GPL");
diff --git a/sound/soc/qcom/common.h b/sound/soc/qcom/common.h
index d7f80ee5ae26..3675d72c5285 100644
--- a/sound/soc/qcom/common.h
+++ b/sound/soc/qcom/common.h
@@ -9,5 +9,8 @@
 int qcom_snd_parse_of(struct snd_soc_card *card);
 int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd,
 			    struct snd_soc_jack *jack, bool *jack_setup);
+int qcom_snd_dp_jack_setup(struct snd_soc_pcm_runtime *rtd,
+			   struct snd_soc_jack *jack, int id);
+
 
 #endif
-- 
2.43.0