Use audio_mode_t consistently

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

Change-Id: Ibe45aadbf413b9158e4dd17f2b3bcc6355288d37
10 files changed
tree: c84e36c036a847bdf12f44c949eacb7b3ba79698
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/