Re: [PATCH v2 1/2] Input: gpio-keys - allow platform to specify exact irq flags

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On Sun, 29 Nov 2009, Ferenc Wagner wrote:

> Hi,
> 
> I thought we'd better ask our friends over at linux-pm, if they've got
> some interface for this task.  To summarize: an embedded application
> wants to go into a "locked" state, where some input devices (gpio keys
> in this case) are "muted", ie. they don't even generate interrupts to
> minimize power consumption.  This could be solved by adding a new
> interface to gpio-keys, but the problem seems more general, so I wonder
> if something like the USB selective runtime suspend is already available
> (or preferable to develop) for such tasks.
> 
> (I hope I got the summary right; Mika will provide the missing bits if I
> didn't.) 

See Documentation/power/runtime_pm.txt.  I don't know to what extent 
the input layer has implemented any runtime PM.

Alan Stern

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