Re: [PATCH V3] input: Fix USB autosuspend on bcm5974

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On Tue, Oct 11, 2011 at 06:10:12AM +0200, Oliver Neukum wrote:
> Am Dienstag, 11. Oktober 2011, 02:11:03 schrieb Matthew Garrett:
> 
> > Ah, right, sorry - I wasn't trying to use the device after it had been 
> > closed. In an ideal world we'd really want to be able to indicate that 
> > we don't want a remote wakeup in that situation. Otherwise, the patch 
> > looks good. Thank you!
> 
> It looks like we had exactly that capability until
> 48826626263d4a61d06fd8c5805da31f925aefa0
> removed it.

Hm. Throwing in another related question below.

Problem: the hid keyboard driver refuses to suspend while a key is
pressed, which is fine per se, but there is no indication presented to the power layer,
resulting in a failed suspend and (due to complex reasons it seems) disabled autosuspend.

Question:  If the hid interrupt handler were to actually prevent
suspend during keypress, what would be the natural way to do it?

Henrik
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