Re: rfkill-input understanding help

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Hi Carols,

On Sun, Apr 13, 2008 at 12:23:12PM +0100, Carlos Corbacho wrote:
> On Saturday 12 April 2008 18:21:31 Carlos Corbacho wrote:
> > Any thoughts at all on how to diagnose why rfkill-input is not able to find
> > a device to attach to the first time it loads (or more specifically, why
> > input_match_device() fails to return a match the first time around),
> > because I'm still scratching my head on this four months later...
> 
> I think I've found the problem here.
> 
> rfkill-input isn't being attached to a device because it's looking for 
> KEY_WLAN. The problem is that at boot time, I don't have a KEY_WLAN - the key 
> isn't mapped until HAL & hal-info kick in much later.
> 
> I've tested this by blacklisting rfkill-input, waiting until HAL has loaded 
> and run setkeycodes, and then loaded rfkill-input, which then works properly 
> first time round.
> 
> Unfortunately, that's only a workaround, not a real solution, so we're going 
> to need a better way of handling this case.
> 

Yes, setting KEY_X later, after registering input device will not
cause device/handler rescanning. We'll have to do something about
it now that we recommend using HAL to update keymaps properly.

-- 
Dmitry
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