Re: [acpi-jp 1931] Re: acpid implementation?

2002-11-10 Thread Terry Lambert
Michael Smith wrote:
 On Saturday, November 9, 2002, at 04:12 AM, Terry Lambert wrote:
  Repeat: #1 is power profiles
 
 I don't see why this requires an 'acpid'.  You want a control tool,
 sure, but power policy is not something that needs a daemon.

The tool has to change the settings based on events, like
unplugging external power from a laptop, resulting in the
display backlighting being dimmed or turned off.

This isn't necessarily something that can be handled just
by selecing static initial sysctl settings.

Think in terms of the PowerProfile system tray icon under
Windows on a Sony VAIO laptop, as it comes configured from
the factory.

The control application that you get when you click on the
system tray icon... that's just eye candy.  I agree that any
application can deal with that.

-- Terry

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Re: [acpi-jp 1931] Re: acpid implementation?

2002-11-10 Thread Michael Smith

On Sunday, November 10, 2002, at 12:19 AM, Terry Lambert wrote:


Michael Smith wrote:

On Saturday, November 9, 2002, at 04:12 AM, Terry Lambert wrote:

Repeat: #1 is power profiles


I don't see why this requires an 'acpid'.  You want a control tool,
sure, but power policy is not something that needs a daemon.


The tool has to change the settings based on events, like
unplugging external power from a laptop, resulting in the
display backlighting being dimmed or turned off.


Ok, so the basic problem here is that you think that these
are discrete events that can be managed or tied together in
userspace.

The bad news is that they aren't.  Policy management is trivial,
and you can (and should) do it inside the kernel.  The real work
lies in implementing the base features and structuring it all in
a fashion that will actually work with the hardware that's shipping.

None of this requires a daemon.

 = Mike


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Re: [acpi-jp 1931] Re: acpid implementation?

2002-11-09 Thread Michael Smith

On Saturday, November 9, 2002, at 04:12 AM, Terry Lambert wrote:


Repeat: #1 is power profiles


I don't see why this requires an 'acpid'.  You want a control tool,
sure, but power policy is not something that needs a daemon.


o	replacing devices in a multipurpose bay, which may take one
	of a number of devices, including a battery


Does not require (and could not practically be assisted by)
a daemon.


o	port replicators with devices in them


Does not require (and could not practically be assisted by)
a daemon.


o	Docking adaptors


Does not require (and could not practically be assisted by)
a daemon.


o	Forced hibernate and/or shutdown, pending an empty battery


Does not require a daemon.


o	Software implementation of features (e.g. selective powerdown
	or operational level, based on idle time, user preferences,
	or other things not settable by sysctl


In other words, misc stuff.  Still nothing concrete.

 = Mike


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