tree c84e36c036a847bdf12f44c949eacb7b3ba79698
parent d5a8bf0bca459389cdb81fdcc30893516bdce951
author Glenn Kasten <gkasten@google.com> 1325703647 -0800
committer Glenn Kasten <gkasten@google.com> 1326390757 -0800

Use audio_mode_t consistently

It was int or uint32_t.
Also make getMode() const.

Change-Id: Ibe45aadbf413b9158e4dd17f2b3bcc6355288d37