altos: Add battery voltage sampling driver
authorKeith Packard <keithp@keithp.com>
Sun, 23 Oct 2011 21:51:32 +0000 (14:51 -0700)
committerKeith Packard <keithp@keithp.com>
Sun, 23 Oct 2011 21:51:32 +0000 (14:51 -0700)
For devices without a full ADC compliment, this just samples the
battery pin and converts to mV.

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

No differences found