[PATCH 0/5] Power supply and resume ordering meddling

[Andy Green]

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Somebody in the thread at some point said:
| Somebody in the thread at some point said:
|
| | From a user perspective, I still think the aux key makes more sense.
| | It is the largest and brightest led, we need an obvious indication
| | that 'something is going on'. If the aux leds are used for any other
| | indications, we should synchronize this, as in, 'aux leds are for
| | indications' whether that be charging, new message, missed calls,
| | etc. That's the idea.
|
| OK, but presumably we want the other indications to still work if we are
| charging (and the LED is then fixed on).
|
| I think we can make everyone happy by folding this into the /sys thing,
| so you echo a bitfield in to get the various indications, but we need to
| straighten out what "indications" are and how they behave if we are
| charging or not, or if there are more than one active (ie, missed a call
| but there is a new message also).  Can you define this for us?

Here's one way... the LED cycles through 6 x 1-second "slots".  The
following patterns can appear in a slot:

~  ------------  (no indication, when on battery)
~  ++++++++++++  (no indication, when charging)
~  ++++++------  (eg, SMS came)
~  -++--++--++-  (eg, missed calls)
~  +-+-+-+-+-+-  (whatever userspace says it means)
~  -----++-----  (whatever userspace says it means)

If no indications are enabled, we just see the charging status in all 6
slots like this patch already does it.

~  ++++++++++++
~  ++++++++++++
~  ++++++++++++
~  ++++++++++++
~  ++++++++++++
~  ++++++++++++

The first two slots always show no indication anyway so we can see
charging status at all times.  But depending on what we enabled down the
/sys thing, the other 4 slots can be "no indication" or one of the
enabled patterns.  When we just have an SMS come on battery, it repeats
this:

~  ------------
~  ------------
~  ++++++------
~  ------------
~  ------------
~  ------------

When it's maxxed out with indications and on charge, it would repeat this:

~  ++++++++++++
~  ++++++++++++
~  ++++++------
~  -++--++--++-
~  +-+-+-+-+-+-
~  -----++-----

How does something like that sound?

- -Andy
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