On Wed 2014-02-26 08:24:44, Jenny Tc wrote:
> On Fri, Feb 21, 2014 at 03:45:29PM +0100, Pavel Machek wrote:
> > On Thu 2014-02-20 10:46:55, Jenny Tc wrote:
> > > On Tue, Feb 04, 2014 at 12:36:40PM +0100, Pavel Machek wrote:
> > > > > --- a/drivers/power/Kconfig
> > > > > +++ b/drivers/power/Kconfig
> > > > > @@ -22,6 +22,19 @@ config POWER_SUPPLY_CHARGER
> > > > > drivers to keep the charging logic outside and the charger
> > > > > driver
> > > > > just need to abstract the charger hardware.
> > > > >
> > > > > +config POWER_SUPPLY_CHARGING_ALGO_PSE
> > > > > + bool "PSE compliant charging algorithm"
> > > > > + help
> > > > > + Say Y here to select Product Safety Engineering (PSE)
> > > > > compliant
> > > > > + charging algorithm. As per PSE standard the battery
> > > > > characteristics
> > > > > + and thereby the charging rates can vary on different
> > > > > temperature
> > > > > + zones. This config will enable PSE compliant charging
> > > > > algorithm with
> > > > > + maintenance charging support. At runtime the algorithm will be
> > > > > + selected by the psy charger driver based on the type of the
> > > > > battery
> > > > > + charging profile.
> > > >
> > > > Information where to expect PSE compliant chargers would be nice.
> > >
> > > This algorithm can be used with non PSE compliant chargers also. This is
> > > a SW
> > > based charging algorithm.
> >
> > Ok, but you need to explain for the users when it might be good idea
> > to select this option...
> >
> > Or maybe this should not be user configurable and drivers should just
> > select it?
>
> The idea is to allow pluggable charging algorithms. Currently we have only one
> charging algorithm proposed, but can have other charging algorithms (like
> pulse
> charging, rule based charging etc.). Based on the platform need, the
> algorithms
> can be selected. So this should be a user configurable option. I can add more
> explanation on when to select this option.
Yes please. Because with current description, user has no chance.
Pavel
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