Misc fixes for light mode#30

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xyzzy42 wants to merge 2 commits intovacaboja:masterfrom

xyzzy42:trentpi/misc-lightmode-fixes

Commits on Mar 18, 2021

Fix race with light mode switch and audio callback
xyzzy42
committed

Commits on Apr 18, 2021

Read config file before starting audio
xyzzy42
committed