[PATCH v2 5/6] ASoC: qcom: apq8016-sbc: Add support to Headset JACK
From: srinivas . kandagatla
Date: Wed Aug 02 2017 - 13:12:19 EST
From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
This patch adds support to Headset JACK, also provides board specific
vref ranges for mbhc buttons to be detected.
This headset supports both 3 pole and 4 pole headset type and 5 buttons.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/qcom/apq8016_sbc.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
index f07aa1e..e6e632a 100644
--- a/sound/soc/qcom/apq8016_sbc.c
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -21,12 +21,16 @@
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
+#include <sound/jack.h>
#include <sound/soc.h>
+#include <uapi/linux/input-event-codes.h>
#include <dt-bindings/sound/apq8016-lpass.h>
struct apq8016_sbc_data {
void __iomem *mic_iomux;
void __iomem *spkr_iomux;
+ struct snd_soc_jack jack;
+ bool jack_setup;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};
@@ -70,6 +74,31 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
}
+ if (!pdata->jack_setup) {
+ struct snd_jack *jack;
+
+ rval = snd_soc_card_jack_new(card, "Headset Jack",
+ SND_JACK_HEADSET |
+ SND_JACK_HEADPHONE |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3 |
+ SND_JACK_BTN_4,
+ &pdata->jack, NULL, 0);
+
+ if (rval < 0) {
+ dev_err(card->dev, "Unable to add Headphone Jack\n");
+ return rval;
+ }
+
+ jack = pdata->jack.jack;
+
+ snd_jack_set_key(jack, SND_JACK_BTN_0, KEY_MEDIA);
+ snd_jack_set_key(jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+ snd_jack_set_key(jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+ snd_jack_set_key(jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
+ pdata->jack_setup = true;
+ }
+
for (i = 0 ; i < dai_link->num_codecs; i++) {
struct snd_soc_dai *dai = rtd->codec_dais[i];
@@ -81,6 +110,11 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
dev_warn(card->dev, "Failed to set mclk: %d\n", rval);
return rval;
}
+ rval = snd_soc_codec_set_jack(codec, &pdata->jack, NULL);
+ if (rval != 0 && rval != -ENOTSUPP) {
+ dev_warn(card->dev, "Failed to set jack: %d\n", rval);
+ return rval;
+ }
}
return 0;
--
2.9.3