ASoC: mediatek: mt8183-da7219: support HDMI jack reporting

Supports HDMI jack reporting.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200710052505.3664118-7-tzungbi@google.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -142,6 +142,7 @@ config SND_SOC_MT8183_DA7219_MAX98357A
 	select SND_SOC_RT1015
 	select SND_SOC_DA7219
 	select SND_SOC_BT_SCO
+	select SND_SOC_HDMI_CODEC
 	help
 	  This adds ASoC driver for Mediatek MT8183 boards
 	  with the DA7219 MAX98357A RT1015 audio codec.

sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c

@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/pinctrl/consumer.h>
+#include <sound/hdmi-codec.h>
 #include <sound/jack.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -26,7 +27,7 @@
 #define RT1015_DEV1_NAME "rt1015.6-0029"
 
 struct mt8183_da7219_max98357_priv {
-	struct snd_soc_jack headset_jack;
+	struct snd_soc_jack headset_jack, hdmi_jack;
 };
 
 static int mt8183_mt6358_i2s_hw_params(struct snd_pcm_substream *substream,
@@ -357,6 +358,21 @@ SND_SOC_DAILINK_DEFS(tdm,
 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
 
+static int mt8183_da7219_max98357_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct mt8183_da7219_max98357_priv *priv =
+		snd_soc_card_get_drvdata(rtd->card);
+	int ret;
+
+	ret = snd_soc_card_jack_new(rtd->card, "HDMI Jack", SND_JACK_LINEOUT,
+				    &priv->hdmi_jack, NULL, 0);
+	if (ret)
+		return ret;
+
+	return hdmi_codec_set_jack_detect(asoc_rtd_to_codec(rtd, 0)->component,
+					  &priv->hdmi_jack);
+}
+
 static struct snd_soc_dai_link mt8183_da7219_dai_links[] = {
 	/* FE */
 	{
@@ -511,6 +527,7 @@ static struct snd_soc_dai_link mt8183_da7219_dai_links[] = {
 		.dpcm_playback = 1,
 		.ignore_suspend = 1,
 		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
+		.init = mt8183_da7219_max98357_hdmi_init,
 		SND_SOC_DAILINK_REG(tdm),
 	},
 };