ALSA: jack: Add support to report second microphone

ALSA jack framework currently supports reporting only
one single microphone. Add support to report presence of
second microphone to userspace.

Change-Id: I72d16892f2fa563c026bf90d847d9365dcf2233a
Signed-off-by: Phani Kumar Uppalapati <phaniu@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
diff --git a/include/sound/jack.h b/include/sound/jack.h
index 55c320d..c66e4e9 100644
--- a/include/sound/jack.h
+++ b/include/sound/jack.h
@@ -61,6 +61,9 @@
 	SND_JACK_OC_HPHL        = 0x0040,
 	SND_JACK_OC_HPHR        = 0x0080,
 	SND_JACK_UNSUPPORTED    = 0x0100,
+	SND_JACK_MICROPHONE2    = 0x0200,
+	SND_JACK_ANC_HEADPHONE  = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
+				  SND_JACK_MICROPHONE2,
 
 	/* Kept separate from switches to facilitate implementation */
 	SND_JACK_BTN_0		= 0x4000,