Re: [RFC][PATCH] Add support for hook switch on ams-delta

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Hi,

Thursday 04 June 2009 20:18:33 Jonathan McDowell napisał(a):
> On Wed, Jun 03, 2009 at 11:03:20AM +0200, Janusz Krzysztofik wrote:
> > Wednesday 03 June 2009 00:04:33 Jonathan McDowell napisał(a):
> >
> > > * We assume the bootloader does the appropriate GPIO pin setup for us,
> > >   so I don't think your omap_cfg_reg is required but it doesn't hurt in
> > >   the unlikely event we ever replace the Amstrad PBL.
> >
> > OK, let it stay there. Do you see a need for replaceing it with a new
> > ams_delta_hook_switch_init() function call that just calls
> > omap_cfg_reg()?
>
> I don't see a need for this; it's always present and not a lot of code
> to have in the init function as it stands.

Fine, I'll only add a comment explainig the purpose of the call then.

> > >   Does the input layer not provide a way to obtain the
> > >   state of the switch?
> >
> > Yes, it does, with EVIOCGSW ioctl()[1]. I personally don't like this way
> > of getting the switch status and would rather see it available over
> > sysfs. However, input guys may have their own preferences and gpio-keys
> > driver belongs to them.
>
> I think that's a discussion to have with the input guys rather than
> putting a hack in the platform file then.

Sure. I have a patch for gpio-keys.c ready to submit, let's see how far we can 
get with the idea of exporting a gpio-keys driven switch state over gpiolib 
sysfs.

> So really the only issue with the patch that remains is if it justifies
> adding a new SW_PHONE_HOOK switch type?

I've just submitted a patch that adds new symbol definition to 
include/linux/input.h. Do I have to wait for acknowledgement before I 
resubmit my modified patch that depends on that, or can I submit it now?

Thanks,
Janusz
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