commit dadfe9d6d7e114fb5b7591993315ddf74e74d3d6
author Aniket Kumar Lata <alata@codeaurora.org> Thu Oct 27 12:36:59 2016 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Dec 19 06:20:18 2016 -0800
tree 2bd5d6dc56e4bd80255c3b15ceaa1d73471128ac
parent bb7e07ee7b570ced83c38247f486b6f5caf6cc13

hal: add support to override volume gain to step mapping table

- if customer mapping is added in platform info file, use that
- in absence of customer table use default mapping

CRs-fixed: 1089771
Change-Id: I2139a085235f4c8f7bd99eba61bd02e4d7a3920b

configs/msm8998/audio_platform_info.xml

diff --git a/configs/msm8998/audio_platform_info.xml b/configs/msm8998/audio_platform_info.xml
index a8bce46..bdf6a46 100644
--- a/configs/msm8998/audio_platform_info.xml
+++ b/configs/msm8998/audio_platform_info.xml
@@ -74,6 +74,13 @@
         <!-- In the below value string, the value indicates sidetone gain in dB -->
         <param key="usb_sidetone_gain" value="35"/>
     </config_params>
+    <gain_db_to_level_mapping>
+        <gain_level_map db="-59" level="5"/>
+        <gain_level_map db="-17.4" level="4"/>
+        <gain_level_map db="-13.8" level="3"/>
+        <gain_level_map db="-10.2" level="2"/>
+        <gain_level_map db="0" level="1"/>
+    </gain_db_to_level_mapping>
     <backend_names>
         <device name="SND_DEVICE_OUT_HEADPHONES" backend="headphones" interface="SLIMBUS_6_RX"/>
         <device name="SND_DEVICE_OUT_LINE" backend="headphones" interface="SLIMBUS_6_RX"/>