ALSA: Define more sound jack types

Define more sound jack types to be able to report additional buttons.

Change-Id: Ib37f854550cc147d90231352bc7d6b03316f60f5
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 5fedf19..ccdc341 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -51,6 +51,8 @@
 	SND_JACK_BTN_3		= 0x0800,
 	SND_JACK_BTN_4		= 0x0400,
 	SND_JACK_BTN_5		= 0x0200,
+	SND_JACK_BTN_6		= 0x0100,
+	SND_JACK_BTN_7		= 0x0080,
 };
 
 struct snd_jack {
@@ -59,7 +61,7 @@
 	int type;
 	const char *id;
 	char name[100];
-	unsigned int key[6];   /* Keep in sync with definitions above */
+	unsigned int key[8];   /* Keep in sync with definitions above */
 	void *private_data;
 	void (*private_free)(struct snd_jack *);
 };