Re: [linux-pm] [patch] pm: fix runtime powermanagement's /sysinterface

From: Pavel Machek
Date: Thu Jan 05 2006 - 17:32:00 EST


On Ät 05-01-06 17:28:28, Preece Scott-PREECE wrote:
>
> Not sure if this is the kind of example you're looking for, but...
>
> We do have devices that may need to stay alive even though the processor has been suspended - for instance, we keep the display backlight on for human-useful periods following the last keypress, but most of the system can be shut down as soon as the work driven from the keypress is finished. The display needs to be able to maintain itself without the processor's help.
>

No, not that one. That would be more like processor Cx states on PC.

Are there any devices that have multiple "off" modes with
different "latency before device gets functional" values, where we
actually want to use more than one "off" mode?
Pavel

--
Thanks, Sharp!
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