ASoC: mediatek: mt8183: support HDMI jack reporting

Supports HDMI jack reporting.
Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20200710052505.3664118-4-tzungbi@google.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -127,6 +127,7 @@ config SND_SOC_MT8183_MT6358_TS3A227E_MAX98357A
 	select SND_SOC_BT_SCO
 	select SND_SOC_TS3A227E
 	select SND_SOC_CROS_EC_CODEC if CROS_EC
+	select SND_SOC_HDMI_CODEC
 	help
 	  This adds ASoC driver for Mediatek MT8183 boards
 	  with the MT6358 TS3A227E MAX98357A RT1015 audio codec.

sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c

@@ -9,6 +9,7 @@
 #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>
@@ -36,7 +37,7 @@ static const char * const mt8183_pin_str[PIN_STATE_MAX] = {
 struct mt8183_mt6358_ts3a227_max98357_priv {
 	struct pinctrl *pinctrl;
 	struct pinctrl_state *pin_states[PIN_STATE_MAX];
-	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,
@@ -337,6 +338,22 @@ static const struct snd_soc_ops mt8183_mt6358_ts3a227_max98357_wov_ops = {
 	.shutdown = mt8183_mt6358_ts3a227_max98357_wov_shutdown,
 };
 
+static int
+mt8183_mt6358_ts3a227_max98357_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct mt8183_mt6358_ts3a227_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_mt6358_ts3a227_dai_links[] = {
 	/* FE */
 	{
@@ -499,6 +516,7 @@ static struct snd_soc_dai_link mt8183_mt6358_ts3a227_dai_links[] = {
 		.ignore_suspend = 1,
 		.be_hw_params_fixup = mt8183_i2s_hw_params_fixup,
 		.ops = &mt8183_mt6358_tdm_ops,
+		.init = mt8183_mt6358_ts3a227_max98357_hdmi_init,
 		SND_SOC_DAILINK_REG(tdm),
 	},
 };