altos/stmf0: Pull beeper pin low when beeper is off
authorKeith Packard <keithp@keithp.com>
Sat, 22 Apr 2017 06:02:57 +0000 (23:02 -0700)
committerKeith Packard <keithp@keithp.com>
Sat, 22 Apr 2017 06:02:57 +0000 (23:02 -0700)
This avoids having the pin float and pick up noise from any adjacent
signals, like TeleMini's radio.

Signed-off-by: Keith Packard <keithp@keithp.com>

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