mozilla-b2g/gaia — pull request #11429 by lissyx (2013-08-08 14:28:11+00:00)
Title: Bug 899487 - Play a notification when changing sound level

When the user changes the sound level, he might want to be able to have
a preview of what it will actually be like in real life. So let's play
the notification sound he has choosen from settings, as a preview.