d1: Improve mic quality

* Make main-mic use both mics so that 2 channels are present
* Increase mic volume

Change-Id: I6003ce265fbc02513c9de76d2648e68276b48c16
diff --git a/configs/audio/mixer_paths.xml b/configs/audio/mixer_paths.xml
index 72bd402..fe5f9e8 100644
--- a/configs/audio/mixer_paths.xml
+++ b/configs/audio/mixer_paths.xml
@@ -1970,7 +1970,7 @@
 	</path>
 
 	<path name="media-mic">
-		<path name="dev-main-mic" />
+		<path name="dev-dual-mic" />
 		<path name="route-ap-record" />
 	</path>
 
@@ -3948,7 +3948,8 @@
 	<!-- Input stage volume -->
 	<!-- media input volume -->
 	<path name="gain-media-mic">
-		<ctl name="IN3R Digital Volume" value="96" />
+		<ctl name="IN3R Digital Volume" value="176" />
+		<ctl name="IN4R Digital Volume" value="176" />
 	</path>
 
 	<path name="gain-media-2nd-mic">
@@ -3967,7 +3968,7 @@
 
 	<!-- voice recording input volume -->
 	<path name="gain-recording-mic">
-		<ctl name="IN3R Digital Volume" value="116" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-recording-2nd-mic">
@@ -3997,7 +3998,7 @@
 
 	<!-- camcorder input volume -->
 	<path name="gain-camcorder-mic">
-		<ctl name="IN3R Digital Volume" value="116" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-camcorder-2nd-mic">
@@ -4010,9 +4011,9 @@
 	</path>
 
 	<path name="gain-camcorder-multi-mic">
-		<ctl name="IN3R Digital Volume" value="116" />
-		<ctl name="IN4R Digital Volume" value="116" />
-		<ctl name="IN1R Digital Volume" value="116" />
+		<ctl name="IN3R Digital Volume" value="176" />
+		<ctl name="IN4R Digital Volume" value="176" />
+		<ctl name="IN1R Digital Volume" value="176" />
 	</path>
 
 	<path name="gain-camcorder-headphone-mic">
@@ -4024,7 +4025,7 @@
 
 	<!-- recognition input volume -->
 	<path name="gain-recognition-mic">
-		<ctl name="IN3R Digital Volume" value="164" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-recognition-2nd-mic">