mozilla-b2g/gaia — pull request #5197 by alivedise (2012-09-26 04:48:46+00:00)
Title: Audio settings initialization

Related: #4797.
This is related to platform: https://bugzilla.mozilla.org/show_bug.cgi?id=791642
But it is safe and should be landed prior to the platform change,
or the voice call volume and fm radio volume would be hard to distinguish.

We are going to divide the audio control into several **channel**: system, voicecall, fm, notification...
This is the first step.