From c9e1cbd5c9360c12d0ef48dc47c957055d585365 Mon Sep 17 00:00:00 2001
From: Eric Laurent <elaurent@google.com>
Date: Fri, 4 Sep 2009 01:30:51 -0700
Subject: [PATCH] Fix issue 2100324: Limit ringtone and notifications volume
 when a headset is connected.

Apply the following rules to ring tones and notifications to avoid sound level bursts in user's ears:
- always attenuate ring tones and notifications volume by 6dB
- if music is playing, always limit the volume to current music volume, with a minimum threshold at -36dB so that notification is always perceived.