altos: Check for MS5607 MISO low before sleeping
authorKeith Packard <keithp@keithp.com>
Tue, 27 Aug 2013 01:43:20 +0000 (18:43 -0700)
committerKeith Packard <keithp@keithp.com>
Tue, 27 Aug 2013 01:47:27 +0000 (18:47 -0700)
If the MISO line goes low before we manage to configure the
interrupts, we'll miss it entirely unless we check the pin explicitly.

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

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