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

[Cheng-Yi Chiang]

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

Signed-off-by: Cheng-Yi Chiang <cychi...@chromium.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