[Gta04-owner] Backup battery with new kernel

[Dr. H. Nikolaus Schaller]

Am 14.06.2013 um 13:10 schrieb Benjamin Deering:

> Hello all,
> 
> Can anyone confirm that the new hw-validation kernel does not charge the backup battery?  I don't see a sysfs node for it and when I remove the battery even for a second, time is lost.

It should be possible to read the voltage like this:

echo volt: $(cat /sys/devices/platform/twl4030_madc_hwmon/in9_input)mV

Nikolaus