tree 5516be2468b83c684e54050678e65a51df416d28
parent 54ae37c97256e3233cd015c3b5519c2398213bc1
author Mingming Yin <mingming@codeaurora.org> 1446250253 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> 1452048074 -0800

hal: add audio notification acknowledge feature

- Modify sysfs node to allow audio hal to acknowledge
  every HDMI connect/disconnect event.
- This makes audio hal and HDMI driver to be in sync
  with respect to notifications and avoid any fast
  plug-in/out notification issues.

Change-Id: I6aead358967c3e978f4f599de66c9884b28bf7e9