linux-kernel - [PATCH 4/4] ASoC: rockchip_max98090: Add HDMI jack support

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Message-Id: <20190705042623.129541-5-cychiang@chromium.org>
Date:   Fri,  5 Jul 2019 12:26:23 +0800
From:   Cheng-Yi Chiang <cychiang@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Hans Verkuil <hverkuil@...all.nl>, Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Heiko Stuebner <heiko@...ech.de>, dianders@...omium.org,
        dgreid@...omium.org, tzungbi@...omium.org,
        alsa-devel@...a-project.org, dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org,
        Cheng-Yi Chiang <cychiang@...omium.org>
Subject: [PATCH 4/4] ASoC: rockchip_max98090: Add HDMI jack support

In machine driver, create a jack and let hdmi-codec report jack status.

Signed-off-by: Cheng-Yi Chiang <cychiang@...omium.org>
---
 sound/soc/rockchip/rockchip_max98090.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c
index 195309d1225a..c0e430ca4d12 100644
--- a/sound/soc/rockchip/rockchip_max98090.c
+++ b/sound/soc/rockchip/rockchip_max98090.c
@@ -15,6 +15,7 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/hdmi-codec.h>
 
 #include "rockchip_i2s.h"
 #include "../codecs/ts3a227e.h"
@@ -129,6 +130,25 @@ enum {
 	DAILINK_HDMI,
 };
 
+static struct snd_soc_jack rk_hdmi_jack;
+
+static int rk_hdmi_init(struct snd_soc_pcm_runtime *runtime)
+{
+	struct snd_soc_card *card = runtime->card;
+	struct snd_soc_component *component = runtime->codec_dai->component;
+	int ret;
+
+	/* enable jack detection */
+	ret = snd_soc_card_jack_new(card, "HDMI Jack", SND_JACK_LINEOUT,
+				    &rk_hdmi_jack, NULL, 0);
+	if (ret) {
+		dev_err(card->dev, "Can't new HDMI Jack %d\n", ret);
+		return ret;
+	}
+
+	return hdmi_codec_set_jack_detect(component, &rk_hdmi_jack);
+}
+
 /* max98090 and HDMI codec dai_link */
 static struct snd_soc_dai_link rk_dailinks[] = {
 	[DAILINK_MAX98090] = {
@@ -146,6 +166,7 @@ static struct snd_soc_dai_link rk_dailinks[] = {
 		.ops = &rk_aif1_ops,
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
+		.init = rk_hdmi_init,
 		SND_SOC_DAILINK_REG(hdmi),
 	}
 };
-- 
2.22.0.410.gd8fdbe21b5-goog