ALSA: Add more jack button slots

Some devices have more flexible microphone detection and can detect
a wider range of buttons.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/sound/jack.h b/include/sound/jack.h
index d90b9fa32707..c140fc7cbd3f 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -47,6 +47,9 @@ enum snd_jack_types {
         SND_JACK_BTN_0          = 0x4000,
         SND_JACK_BTN_1          = 0x2000,
         SND_JACK_BTN_2          = 0x1000,
+        SND_JACK_BTN_3          = 0x0800,
+        SND_JACK_BTN_4          = 0x0400,
+        SND_JACK_BTN_5          = 0x0200,
 };
 
 struct snd_jack {
@@ -55,7 +58,7 @@ struct snd_jack {
         int type;
         const char *id;
         char name[100];
-        unsigned int key[3];   /* Keep in sync with definitions above */
+        unsigned int key[6];   /* Keep in sync with definitions above */
         void *private_data;
         void (*private_free)(struct snd_jack *);
 };