Re: [PATCH] rfkill: Regulator consumer driver for rfkill

[Johannes Berg]

On Wed, 2011-04-06 at 16:06 +0200, Antonio Ospite wrote:

> > > +	if (regulator_is_enabled(vcc)) {
> > > +		dev_dbg(&pdev->dev, "Regulator already enabled\n");
> > > +		rfkill_data->reg_enabled = 1;
> > > +	}
> > > +	rfkill_init_sw_state(rf_kill, !rfkill_data->reg_enabled);
> > > +
> > > +	ret = rfkill_register(rf_kill);
> > 
> > We recently had a thread about how rfkill_init_sw_state() isn't quite
> > working the right way. Also, it is indented to be used for devices that
> > keep their state over resume. I think you should remove it here and rely
> > on rfkill to sync you after registration.
> > 
> > Cf. the long thread here:
> > http://thread.gmane.org/gmane.linux.acpi.devel/49577
> >
> 
> Ok, but I still need to replace that call with a rfkill_set_sw_state()
> to expose the initial status of the regulator to the rfkill system,
> right?

Well, you could, but if you don't do that then the rfkill subsystem will
simply call set_block() shortly after registration to put it into the
state that it thinks it should be in, which is usually more useful.

johannes

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/