Re: [PATCH v13 3/4] thinkpad_acpi: Add support for battery thresholds

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On Fri, Feb 09, 2018 at 01:34:14PM +0100, Sebastian Reichel wrote:
> Hi,
> 
> On Fri, Feb 09, 2018 at 11:49:40AM +0100, Rafael J. Wysocki wrote:
> > On Fri, Feb 9, 2018 at 11:39 AM, Sebastian Reichel <sre@xxxxxxxxxx> wrote:
> > > Hi,
> > >
> > > On Fri, Feb 09, 2018 at 10:22:54AM +0100, Rafael J. Wysocki wrote:
> > >> On Thu, Feb 8, 2018 at 11:03 PM, Sebastian Reichel <sre@xxxxxxxxxx> wrote:
> > >> > Hi,
> > >> >
> > >> > On Wed, Feb 07, 2018 at 03:58:44PM +0100, Ognjen Galic wrote:
> > >> >> 1) Charge start threshold
> > >> >> /sys/class/power_supply/BATN/charge_start_threshold
> > >> >>
> > >> >> Valid values are [0, 99]. A value of 0 turns off the
> > >> >> start threshold wear control.
> > >> >>
> > >> >> 2) Charge stop threshold
> > >> >> /sys/class/power_supply/BATN/charge_stop_threshold
> > >> >>
> > >> >> Valid values are [1, 100]. A value of 100 turns off
> > >> >> the stop threshold wear control. This must be
> > >> >> configured first.
> > >> >
> > >> > This is a new sysfs file, that should be documented.
> > >>
> > >> Right, I should have remembered about that, sorry.
> > >>
> > >> > Also this looks pretty generic. Just introduce new POWER_SUPPLY_PROP_
> > >> > entries for start/stop charging threshold and use them.
> > >>
> > >> What about doing this as a follow-up?
> > >
> > > Fine with me.
> > 
> > OK
> > 
> > Actually, I don't see any documentation whatever for ACPI battery and
> > AC power supply properties, so I guess that needs to be added in
> > general and I don't think it would be fair to ask Ognjen to do that in
> > order to get the extension in.
> > 
> > Why don't we pencil this in as work to do?
> 
> The generic ones are documented here:

Do you guys want me to send in another revision of the patch with some
documentation on the sysfs API?

> 
> Documentation/power/power_supply_class.txt
> 
> -- Sebastian





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