[PATCHv4][ 1/4] Input: tsc2007: Add device tree support.

Dmitry Torokhov dmitry.torokhov at gmail.com
Tue Oct 22 18:35:05 EDT 2013


On Tue, Oct 22, 2013 at 11:49:47AM +0200, Lothar Waßmann wrote:
> Hi,
> 
> > On Mon, Oct 21, 2013 at 03:54:24PM +0200, Denis Carikli wrote:
> > >  
> > > +	if (ts->of)
> > > +		return tsc2007_get_pendown_state_dt(ts);
> > > +
> > >  	if (!ts->get_pendown_state)
> > >  		return true;
> > 
> > Instead of special casing "if (ts->of)" all over the place why don't you
> > set up the device structure as:
> > 
> > 	if (<configuring_tsc2007_form_dt>)
> > 		ts->get_pendown_state = tsc2007_get_pendown_state_dt;
> > 
> > and be done with it?
> >
> I also thought about that, but the existing function does not have any
> parameters, while the DT version of get_pendown_state() requires to get
> the GPIO passed to it somehow.

You can always have tsc2007_get_pendown_state_platform() wrapping the
call. Or we just go and fix board code.

Thanks.

-- 
Dmitry



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