[maemo-developers] Internet Tablet Power Management presentation from linux-pm summit 2007

[From: Visti Andresen]

On Wed, 11 Jul 2007 15:52:10 +0300
Marius Gedminas <marius at pov.lt> wrote:

> On Wed, Jul 11, 2007 at 01:44:58PM +0100, Andrew Flegg wrote:
> > On 7/11/07, Igor Stoppa <igor.stoppa at nokia.com> wrote:
> > > On Wed, 2007-07-11 at 13:28 +0100, ext Andrew Flegg wrote:
> > > > This being reraised made me think about why, the other day, I *did*
> > > > want user suspend. Sometimes I just want a quick way to:
> > > >
> > > >   * Shut off all network connections.
> > > >   * Stop any noise (except configured alarms)
> > > >   * Have the screen locked
> > > >   * Not have to save my position
> > > >   * Be able to resume quickly
> > > >
> > > > This isn't "suspend" in a power sense, but in a use-case sense the
> > > > purpose is clear.
> > >
> > > Why not just put it in offline mode and lock the screen and keys?
> > >
> > > That's what i do and it simply works.
> > 
> > Well, that doesn't block sound so if the battery starts going down in
> > the night, or similar, I could be awoken by a noise. It's also clumsy
> > as the sequence is:
> > 
> >    1) Press power button
> >    2) Select offline mode
> >    3) Press OK
> >    4) Press power button
> >    5) Press OK
> > 
> > Unlocking is a simlar number. That's not exactly a simple sequence, as
> > say the 770's cover was (as Andy Mulhearn points out).
> 
> Right.  Palm had a simple sequence:
> 
>    1) Press power button
> 

I could suggest using a "double click" on the power button

First click opens the "Device mode" dialogue.
Second click "suspends" the device.

Apply a timeout after the dialogue appears,
if the power button click happens after this,
the dialogue just closes (to prevent accidental "suspends")  

> There's also the popular story about a guy at Palm whose job was to
> count the taps needed to do something.  ("If it takes more than three
> taps, the user interface needs to be fixed", or something like that.)
> As a user, I noticed that immediately when I exchanged my old Palm to a
> 770.  (It's getting better in newer software versions: copy & paste
> moved one level up in the virtual keyboard menu.)
> 
> Marius Gedminas
> -- 
> If "con" is the opposite of "pro", then what is the opposite of progress?