[Community] GTA04 - Power management improvements

Neil Jerram neil at ossau.homelinux.net
Wed Jan 29 10:38:44 CET 2014


On 2014-01-29 08:34, Dr. H. Nikolaus Schaller wrote:
> HI,
> Am 29.01.2014 um 09:07 schrieb Hermann Schwärzler:
>> Hello
>> On 01/28/2014 11:27 AM, Dr. H. Nikolaus Schaller wrote:
>>> Am 28.01.2014 um 10:28 schrieb Hermann Schwärzler:
>> [...]
>>>> No I did not use such a script. Just the "poweroff" command of the
>>>> system. Tonight I will power off after running this script and will
>>>> report my findings.
>>> Ok.
>> I can confirm that powering down the modem before powering down the
>> device results in ~0 power usage!
>> I used the modem-poweroff.sh script in /opt/qtmoko/bin/ yesterday
>> evening before calling "poweroff" on the device and after powering it 
>> on
>> this morning (after 9:25 hours) I saw a mere 5mAh decrease in the
>> charge-value of the battery. I saw this *after* boot so most/all of it
>> is due to power-usage of the boot process.
> That is fine since everything else would have made me wonder a little.

I assume that this testing and discussion is primarily for the GTA04 A4. 
  Is the modem-poweroff.sh script also useful for the A3?


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