I shouldn't oversimplify the power management in a cell phone. When I said we turned whole devices on/off, I was referring only to what the system-level PM (which uses suspend/resume) does. There's a fair amount of subsystem-specific power management outside the Linux suspend/resume framework. Some of it might be handled in the framework, if the framework were more capable.
scott
-----Original Message-----
From: Pavel Machek [mailto:[email protected]]
Sent: Thursday, January 05, 2006 4:46 PM
To: Preece Scott-PREECE
Cc: Alan Stern; [email protected]; [email protected]; [email protected]
Subject: Re: [linux-pm] [patch] pm: fix runtime powermanagement's /sys interface
On Čt 05-01-06 17:21:38, Preece Scott-PREECE wrote:
> We do have multiple system-level low-power modes. I believe today they
> differ in turning whole devices on or off, but there are some of those
> devices that could be put in reduced-function/lowered-speed modes if
> we were ready to use a finer-grained distinction.
I think we were talking multiple off modes for _single device_. It is good to know that even cellphones can get away with whole devices on/off today.
Pavel
--
Thanks, Sharp!
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