Re: N810 suspend

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Tony Lindgren <tony@xxxxxxxxxxx> writes:

> * green <greenfreedom10@xxxxxxxxx> [081215 13:08]:
>> What are the chances of getting suspend (resume from) working on the N810?  Are 
>> there any patches or branches around that I can test (I'm slowly learning how 
>> to use git)?
>> 
>> I'm running Debian on an N810.  With the current state of power management in 
>> linux-omap, the N810 will only run (with LCD off) for about 12 hours on a 
>> charge.
>
> Well you need to make sure the serial clocks are not enabled. Kevin
> has some patches for that in his pm branch. So you'll most likely want
> to use his whole pm branch.
>
> Also, you need to make sure you have sleep while idle enabled:
>
> # echo 1 > /sys/power/sleep_while_idle
>
> It used to work, but I have not tried for six months or so.
>

Suspend/resume on n810 is currently broken in linux-omap.  I submitted
a patch a week or so ago to fix an assembly bug which was crashing the
suspend, but it is still not resuming.

Most likely a simple fix needed to init the proper wakeup sources, but
I haven't tested further.

Kevin




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