tree f87e9847be7b1dc29acc6cd3bc2992f3e4ee4585
parent 41694793e06f9198684f9deaeff1a7bdcc4c39c9
author Simon Wilson <simonwilson@google.com> 1312845345 -0700
committer Simon Wilson <simonwilson@google.com> 1312845709 -0700

audio: use sub mic for handsfree voice calls

Using the sub mic is necessary to avoid echo due to the physical
placement of the main mic.

Change-Id: I716db818ec439d812f162b3f4170195c98c51539