Le mercredi 15 juillet 2015 09:18:32 UTC+2, sigint a écrit :
> <splite07@...> writes:
>
> > How to disable this behavior ?
>
> Maybe this is a common behavior of battery enabled devices. When You connect
> turned off phone to charger, it booted automatically, then show some screen
> animation of charging status indicator and then probably shutdown, to
> continue silent charging.
> It can be implemented in u-boot\board\sunxi\board.c
> You can determine if board was powered on by ACIN (not a PEK button) and
> poweroff board immediately:
> if (axp209_poweron_by_dc()) {
> axp209_poweroff();
> return;//in a normal, return; is unreachable code, axp209
> should cutoff
> outputs already
> }
>
> I'm placed this code to sunxi_board_init() before any DRAM\pll inits. Now My
> board started only for one\half second, after AC plugged, then it calm. At
> the same time, battery seems to continue charging, because it is PMU-driven
> process.
> This isn't direct answer to You question (reconfigure axp209 default
> behavior), but it's one acceptable solution worked for Me.
>
> p.s.
> You can google for axp209_poweroff() if You u-boot sources miss this
> routine. It should be extern declared in: u-boot\include\axp209.h,
> u-boot\drivers\power\axp209.c, somewhere near by axp209_poweron_by_dc().
Thank so much ! You really saved me up a lot of time !
What you explained worked perfectly and now my board does not start by itself
when AC in !
Great ;)
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