tree 39ac31ebf1a9bca2d79ff4a1e237d21e2a442efe
parent a0a75dad3b0ee9b3978115b724a4a655d9cb6e5f
author vivek mehta <mvivek@codeaurora.org> 1435258178 -0700
committer Eric Laurent <elaurent@google.com> 1435280691 -0700

hal: post_proc: add volume based audio calibration support

- add new effect module to listen to volume and device change
- based on volume levels of all streams active over speaker
  compute gain based calibration level and communicate
  with audio HAL to send the same to ACDB loader
- make audio HAL singleton

Bug: 22100304.

Change-Id: If74bf66d32def85022d79ccb9f84c3b85c8a2dc9