[PATCH 2/2] ASoC: intel: byt: Add headset jack

[Carlo Caione]

From: Carlo Caione <ca...@endlessm.com>

Introduce an headset jack in the machine driver and register it to the
codec driver.

Signed-off-by: Carlo Caione <ca...@endlessm.com>
---
 sound/soc/intel/boards/bytcr_rt5651.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/sound/soc/intel/boards/bytcr_rt5651.c 
b/sound/soc/intel/boards/bytcr_rt5651.c
index 1dad5c98c9ef..0fc850e20fc0 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -49,6 +49,8 @@ struct byt_rt5651_private {
        struct clk *mclk;
 };
 
+static struct snd_soc_jack jack;
+
 static unsigned long byt_rt5651_quirk = BYT_RT5651_DMIC_MAP |
                                        BYT_RT5651_DMIC_EN |
                                        BYT_RT5651_MCLK_EN;
@@ -177,6 +179,17 @@ static const struct snd_kcontrol_new byt_rt5651_controls[] 
= {
        SOC_DAPM_PIN_SWITCH("Speaker"),
 };
 
+static struct snd_soc_jack_pin bytcr_jack_pins[] = {
+       {
+               .pin    = "Headphone",
+               .mask   = SND_JACK_HEADPHONE,
+       },
+       {
+               .pin    = "Headset Mic",
+               .mask   = SND_JACK_MICROPHONE,
+       },
+};
+
 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
                                        struct snd_pcm_hw_params *params)
 {
@@ -244,6 +257,7 @@ static const struct dmi_system_id byt_rt5651_quirk_table[] 
= {
 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
 {
        struct snd_soc_card *card = runtime->card;
+       struct snd_soc_codec *codec = runtime->codec;
        struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
        const struct snd_soc_dapm_route *custom_map;
        int num_routes;
@@ -301,6 +315,16 @@ static int byt_rt5651_init(struct snd_soc_pcm_runtime 
*runtime)
                        dev_err(card->dev, "unable to set MCLK rate\n");
        }
 
+       ret = snd_soc_card_jack_new(runtime->card, "Headset",
+                                   SND_JACK_HEADSET, &jack,
+                                   bytcr_jack_pins, 
ARRAY_SIZE(bytcr_jack_pins));
+       if (ret) {
+               dev_err(runtime->dev, "Headset jack creation failed %d\n", ret);
+               return ret;
+       }
+
+       rt5651_set_jack_detect(codec, &jack);
+
        return ret;
 }
 
-- 
2.14.2