Eric Laurent 672c0dc3a0 Fix issue 2913071.
Scale audio signal during capture according to peak level so that
returned values on 8 bits contain enough information even for weak
signals.

Also do not reject requests to enable/disable the visualizer if we are
already in the requested state.

Change-Id: I07a705619764350834e61f82d161761eab688747
2010-09-21 15:11:50 -07:00
..
2010-09-21 15:11:50 -07:00