[Gta04-owner] Upstream Replicant 4.2 support for GTA04

Dr. H. Nikolaus Schaller hns at goldelico.com
Thu Mar 6 13:31:55 CET 2014


Am 06.03.2014 um 13:27 schrieb Lukas Maerdian:

> 2014-03-06 13:14 GMT+01:00 Dr. H. Nikolaus Schaller <hns at goldelico.com>:
>> 
>> Am 06.03.2014 um 13:08 schrieb Lukas Maerdian:
>> 
>>> 2014-03-06 12:28 GMT+01:00 Radek Polak <psonek2 at seznam.cz>:
>>>> On Thursday, March 06, 2014 11:00:58 AM Lukas Maerdian wrote:
>>>>>> -> This happens to me only on my old battery (from ~2008),
>>>> 
>>>>>> whereas everything works as expected on a new battery from ~2013.
>>>> 
>>>>>> Could this be a hardware issue?
>>>> 
>>>> Does the driver report anything at all? Can you please paste:
>>>> 
>>>> cat /sys/class/power_supply/bq27000_battery/uevent
>>> 
>>> uevent just reports this (with the old battery):
>>> POWER_SUPPLY_NAME=bq27000-battery
>>> POWER_SUPPLY_PRESENT=0
>>> 
>>> As soon as I put in the new battery (while the system is running),
>>> uevent contains all the information and all the other nodes are
>>> working as well.
>> 
>> Looks as if either
>> * bq27000 chip in old battery is broken so that it does not respond to hdq requests
>> * HDQ contact pad (CC) of old battery could be corroded
> 
> Yes, the pad looks a bit used, see attachment:

Yes, looks like copper rust.

> The top battery is the old one and its middle pad (this is the HDQ,
> right?) is sort of greenish.

Yes, the middle one - there is a (CC) printed on the package.

BR,
Nikolaus



More information about the Gta04-owner mailing list