[alsa-devel] [PATCH v2, 1/2] ASoC: AMD: Support headset button on Stoney DA7219

[Akshu Agrawal]

Adds headset button support.

TEST=Tested Volume UP/Down, Play/Pause functionality

Signed-off-by: Akshu Agrawal <akshu.agrawal at amd.com>
---
v2: Changed KEY_MEDIA to KEY_PLAYPAUSE

 sound/soc/amd/acp-da7219-max98357a.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c
index b205c78..1012a80 100644
--- a/sound/soc/amd/acp-da7219-max98357a.c
+++ b/sound/soc/amd/acp-da7219-max98357a.c
@@ -33,6 +33,7 @@
 #include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
+#include <linux/input.h>
 #include <linux/acpi.h>
 
 #include "../codecs/da7219.h"
@@ -51,6 +52,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_card *card = rtd->card;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	struct snd_soc_component *component = codec_dai->component;
+	struct snd_soc_jack *jack;
 
 	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
 
@@ -80,6 +82,12 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
 		return ret;
 	}
 
+	jack = &cz_jack;
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
 	da7219_aad_jack_det(component, &cz_jack);
 
 	return 0;
-- 
1.9.1