[Gta04-owner] GTA04 suspend power consumption
andreas at kemnade.info
Tue Dec 22 07:26:59 CET 2015
> root at letux:~# ./measure-suspend
> suspending for 300 seconds
> did wake up
> ./measure-suspend: line 63: /sys/class/power_supply/twl4030_usb/mode: No such file or directory
> ./measure-suspend: line 64: /sys/class/power_supply/twl4030_ac/mode: No such file or directory
> 25717 uA over 299 seconds
> root at letux:~#
> So this means that we are down at
> 25 mA
> in suspend with OPTION modem active. With a 4.4-rc5 kernel.
> Of course no USB nor charging.
> Well, the problem is therefore NOT yet solved. But it has been proven that it can be solved.
> By finding the suspend bug in phy-twl4030-usb.ko
That is a nice milestone.
Hmm, If I can remember correctly, it should be 5mA?
So we still have another 20mA to search for.
Has anyone ever seen a combination of our cpu and tps chip which comes down
to such low currents?
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