[PATCH skeleton v2] Refactored LED control dbus methods

[Benjamin Herrenschmidt]

On Wed, 2016-01-27 at 14:54 +1100, Cyril Bur wrote:
> +const char *power_ctrl = "brightness";
> > +const char *blink_ctrl = "trigger";
> > +const char *duty_on   = "delay_on";
> > +const char *duty_off  = "delay_off";
> 
> Why can't these be #defined?

Ugh ? A const string is better, more strongly typed and guarantees
there is going to be only one (though compilers are smart these days).

Cheers,
Ben.