circuitpython/shared-module
Jeff Epler 9696dbfd38 rgbmatrix: Don't crash when setting brightness=0
If the display is paused, `_PM_swapbuffer_maybe` will never return.
So, when brightness is 0, refresh does nothing.  This makes it necessary
to update the display when unpausing.

Closes: #3524
2020-10-12 13:28:20 -05:00
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