On Thu, 2006-08-03 at 15:02 -0400, Dave Jones wrote:
> On Thu, Aug 03, 2006 at 07:17:37PM +0200, Thomas Renninger wrote:
>
> > +/*
> > + * returns:
> > + * 0 on success
> > + * <0 on failure
> > + * 1 if new battery found
> > + * 2 if battery got removed
> > + */
>
> Why make this so complicated...
>
> > + result = acpi_battery_check(battery);
> > + if (result > 0){
> > + acpi_bus_generate_event(device,
> > + ACPI_NOTIFY_DEVICE_CHECK,
> > + battery->flags.present);
> > + }
> > + return 0;
> > +}
>
> When we simply treat the result as a boolean ?
The return value is used to:
check for error <0
success, no battery insertion/removal 0
battery insertion/removal >0 (1/2)
The latter one is needed to inform userspace to reread complete battery
information (possibly from other BATx dir) if battery has been
inserted/removed.
Thomas
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