configs: msm8998: Change codec TX gain from 18dB to 0dB

Change TX gain for all TTY headset TX in Tavil and Tasha
codec to improve signal integrity.

CRs-Fixed: 1085857
Change-Id: I2db3d6e3faa9e4c6e1896ac88d0d58aeff537588
Signed-off-by: Xiaoyu Ye <benyxy@codeaurora.org>
diff --git a/configs/msm8998/mixer_paths_tasha.xml b/configs/msm8998/mixer_paths_tasha.xml
index 049c36b..d843aa7 100644
--- a/configs/msm8998/mixer_paths_tasha.xml
+++ b/configs/msm8998/mixer_paths_tasha.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!-- Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.    -->
+<!-- Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.    -->
 <!--                                                                        -->
 <!-- Redistribution and use in source and binary forms, with or without     -->
 <!-- modification, are permitted provided that the following conditions are -->
@@ -2655,7 +2655,7 @@
 
     <path name="voice-tty-full-headset-mic">
         <path name="adc2" />
-        <ctl name="ADC2 Volume" value="12" />
+        <ctl name="ADC2 Volume" value="0" />
     </path>
 
     <path name="voice-tty-hco-headset-mic">
diff --git a/configs/msm8998/mixer_paths_tavil.xml b/configs/msm8998/mixer_paths_tavil.xml
index e1824de..b2c6fd9 100644
--- a/configs/msm8998/mixer_paths_tavil.xml
+++ b/configs/msm8998/mixer_paths_tavil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
-<!-- Copyright (c) 2016, The Linux Foundation. All rights reserved.         -->
+<!-- Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.    -->
 <!--                                                                        -->
 <!-- Redistribution and use in source and binary forms, with or without     -->
 <!-- modification, are permitted provided that the following conditions are -->
@@ -2422,6 +2422,7 @@
 
     <path name="voice-tty-full-headset-mic">
         <path name="amic2" />
+        <ctl name="ADC2 Volume" value="0" />
     </path>
 
     <path name="voice-tty-hco-headset-mic">