beyond1lte: 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 ddbfc1d..9f72920 100644
--- a/configs/audio/mixer_paths.xml
+++ b/configs/audio/mixer_paths.xml
@@ -2104,7 +2104,7 @@
 	</path>
 
 	<path name="media-mic">
-		<path name="dev-main-mic" />
+		<path name="dev-dual-mic" />
 		<path name="route-ap-record" />
 	</path>
 
@@ -4498,7 +4498,8 @@
 	<!-- Input stage volume -->
 	<!-- media input volume -->
 	<path name="gain-media-mic">
-		<ctl name="IN3L Digital Volume" value="96" />
+		<ctl name="IN3L Digital Volume" value="176" />
+		<ctl name="IN4L Digital Volume" value="176" />
 	</path>
 
 	<path name="gain-media-2nd-mic">
@@ -4527,7 +4528,7 @@
 
 	<!-- voice recording input volume -->
 	<path name="gain-recording-mic">
-		<ctl name="IN3L Digital Volume" value="116" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-recording-2nd-mic">
@@ -4572,7 +4573,7 @@
 
 	<!-- camcorder input volume -->
 	<path name="gain-camcorder-mic">
-		<ctl name="IN3L Digital Volume" value="116" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-camcorder-2nd-mic">
@@ -4605,7 +4606,7 @@
 
 	<!-- recognition input volume -->
 	<path name="gain-recognition-mic">
-		<ctl name="IN3L Digital Volume" value="171" />
+		<path name="gain-media-mic" />
 	</path>
 
 	<path name="gain-recognition-2nd-mic">