Re: [PATCHv3 1/2] Input: twl4030-keypad - add device tree support

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On Sun, Nov 17, 2013 at 07:28:40PM +0100, Pavel Machek wrote:
> Hi!
> 
> > On Mon, Nov 11, 2013 at 11:19:41PM +0100, Pavel Machek wrote:
> > > > +	if (of_get_property(np, "linux,input-no-autorepeat", NULL))
> > > > +		keypad_data->no_autorepeat = true;
> > > 
> > > From 2/2:
> > > 
> > > +Optional Properties specific to linux:
> > > +- linux,keypad-no-autorepeat: do not enable autorepeat feature.
> > > 
> > > I'm confused now.
> > 
> > good catch! That happens when one tries to mimic other drivers :/
> > 
> > I just checked all DT input drivers for autorepeat keyword:
> > 
> > DRIVER              CODE                        DOCUMENTATION
> > twl4030-keypad      linux,input-no-autorepeat   linux,keypad-no-autorepeat
> > omap4-keypad        linux,input-no-autorepeat   linux,keypad-no-autorepeat
> > samsung-keypad      linux,input-no-autorepeat   linux,keypad-no-autorepeat
> > stmpe-keypad        st,no-autorepeat            st,no-autorepeat
> > spear-keyboard      autorepeat                  autorepeat
> > tca8418-keypad      keypad,autorepeat           --- not documented ---
> > gpio-matrix-keypad  linux,no-autorepeat         linux,no-autorepeat
> > gpio-keys-polled    autorepeat                  autorepeat
> > gpio-keys           autorepeat                  --- no documentation ---
> > 
> > Any suggestions how to continue fixing this mess? I guess first of
> > all the documentation of omap4-keypad, samsung-keypad and of course
> > the new twl4030-keypad driver should be fixed.
> > 
> > Next it would be nice to choose one standard property name for this
> > and use it for twl4030-keypad. I suggest to use "linux,input-no-autorepeat".
> 
> I'd suggest just simple "autorepeat", so that we get rid of ugly double-negation.

The idea was that majority of setups want autorepeat so in the absence
of the property autorepeat is turned on.

Thanks.

-- 
Dmitry
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