u-boot fix to charge empty battery

Andy Green andy at openmoko.com
Thu Oct 9 17:52:03 CEST 2008


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Johny Tenfinger wrote:

> ~97 mA - without any leds (backlight brightness=1, all radios off etc.)
> ~103 - power-blue led on
> ~112 - power-orange led on
> ~116 - power-blue and power-orange leds on

That's pretty OK so far

> ~162 - aux-red led on

... ouch 46mA @ say 3.6V... I guess we got a straight answer then about
what happened at factory.

> Can power-hungry red led be fixed by software, as i read somewhere
> some time ago?

We could PWM it maybe, unfortunately it's on channel 2 which in future
will be used for tickless clock stuff by Andrzej.  Another way is hook
it to FIQ to PWM it, it can work but it's not the prettiest thing ever.

- -Andy
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