[PATCH] ASoC: rockchip: Support headset button function on rk3399

From: Cheng-Yi Chiang
Date: Thu Sep 15 2016 - 19:11:37 EST


Set the mapping between button and media key event.

Signed-off-by: Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
---
sound/soc/rockchip/rk3399_gru_sound.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index 164b6da..ee06489 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -23,6 +23,7 @@
#include <linux/of_gpio.h>
#include <linux/delay.h>
#include <linux/spi/spi.h>
+#include <linux/input.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
@@ -209,6 +210,14 @@ static int rockchip_sound_da7219_init(struct snd_soc_pcm_runtime *rtd)
return ret;
}

+ snd_jack_set_key(rockchip_sound_jack.jack, SND_JACK_BTN_0, KEY_MEDIA);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+ snd_jack_set_key(
+ rockchip_sound_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
da7219_aad_jack_det(codec, &rockchip_sound_jack);

return 0;
--
2.6.6