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SubjectRe: [PATCH v5 1/3] power_supply: Add Standard, Adaptive, and Custom charge types
Hi Nick,

Yes. I merged the three patches adding the generic power supply
properties, thanks.

-- Sebastian

On Wed, May 01, 2019 at 10:34:38AM -0600, Nick Crews wrote:
> Hi Sebastian, does this look like an acceptable way of splitting up the
> content into multiple commits?
>
> Sorry to bug, and thanks,
> Nick
>
> On Tue, Apr 23, 2019 at 7:55 AM Enric Balletbo i Serra <
> enric.balletbo@collabora.com> wrote:
>
> >
> >
> > On 18/4/19 18:43, Nick Crews wrote:
> > > Add "Standard", "Adaptive", and "Custom" modes to the charge_type
> > > property, to expand the existing "Trickle" and "Fast" modes.
> > > I am adding them in order to support a new Chrome OS device,
> > > but these properties should be general enough that they can be
> > > used on other devices.
> > >
> > > The meaning of "Standard" is obvious, but "Adaptive" and "Custom" are
> > > more tricky: "Adaptive" means that the charge controller uses some
> > > custom algorithm to change the charge type automatically, with no
> > > configuration needed. "Custom" means that the charge controller uses the
> > > POWER_SUPPLY_PROP_CHARGE_CONTROL_* properties as configuration for some
> > > other algorithm.
> > >
> > > v5 changes:
> > > - Split up adding the charge types and adding the
> > > POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD and
> > > POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD properties into
> > > two different commits.
> > > v4 changes:
> > > - Add documentation for the new properties, and add documentation for
> > > the the previously missing charge_control_limit and
> > > charge_control_limit_max properties.
> > >
> > > Signed-off-by: Nick Crews <ncrews@chromium.org>
> >
> > Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> >
> > > ---
> > > Documentation/ABI/testing/sysfs-class-power | 12 +++++++++---
> > > drivers/power/supply/power_supply_sysfs.c | 2 +-
> > > include/linux/power_supply.h | 8 ++++++--
> > > 3 files changed, 16 insertions(+), 6 deletions(-)
> > >
> > > diff --git a/Documentation/ABI/testing/sysfs-class-power
> > b/Documentation/ABI/testing/sysfs-class-power
> > > index 5e23e22dce1b..544c4e0ef8b6 100644
> > > --- a/Documentation/ABI/testing/sysfs-class-power
> > > +++ b/Documentation/ABI/testing/sysfs-class-power
> > > @@ -119,10 +119,16 @@ Date: July 2009
> > > Contact: linux-pm@vger.kernel.org
> > > Description:
> > > Represents the type of charging currently being applied to
> > the
> > > - battery.
> > > + battery. "Trickle", "Fast", and "Standard" all mean
> > different
> > > + charging speeds. "Adaptive" means that the charger uses
> > some
> > > + algorithm to adjust the charge rate dynamically, without
> > > + any user configuration required. "Custom" means that the
> > charger
> > > + uses the charge_control_* properties as configuration for
> > some
> > > + different algorithm.
> > >
> > > - Access: Read
> > > - Valid values: "Unknown", "N/A", "Trickle", "Fast"
> > > + Access: Read, Write
> > > + Valid values: "Unknown", "N/A", "Trickle", "Fast",
> > "Standard",
> > > + "Adaptive", "Custom"
> > >
> > > What:
> > /sys/class/power_supply/<supply_name>/charge_term_current
> > > Date: July 2014
> > > diff --git a/drivers/power/supply/power_supply_sysfs.c
> > b/drivers/power/supply/power_supply_sysfs.c
> > > index dce24f596160..64dff5cfecc3 100644
> > > --- a/drivers/power/supply/power_supply_sysfs.c
> > > +++ b/drivers/power/supply/power_supply_sysfs.c
> > > @@ -56,7 +56,7 @@ static const char * const power_supply_status_text[] =
> > {
> > > };
> > >
> > > static const char * const power_supply_charge_type_text[] = {
> > > - "Unknown", "N/A", "Trickle", "Fast"
> > > + "Unknown", "N/A", "Trickle", "Fast", "Standard", "Adaptive",
> > "Custom"
> > > };
> > >
> > > static const char * const power_supply_health_text[] = {
> > > diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
> > > index 2f9c201a54d1..e86e05d8134d 100644
> > > --- a/include/linux/power_supply.h
> > > +++ b/include/linux/power_supply.h
> > > @@ -40,11 +40,15 @@ enum {
> > > POWER_SUPPLY_STATUS_FULL,
> > > };
> > >
> > > +/* What algorithm is the charger using? */
> > > enum {
> > > POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0,
> > > POWER_SUPPLY_CHARGE_TYPE_NONE,
> > > - POWER_SUPPLY_CHARGE_TYPE_TRICKLE,
> > > - POWER_SUPPLY_CHARGE_TYPE_FAST,
> > > + POWER_SUPPLY_CHARGE_TYPE_TRICKLE, /* slow speed */
> > > + POWER_SUPPLY_CHARGE_TYPE_FAST, /* fast speed */
> > > + POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */
> > > + POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted
> > speed */
> > > + POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_*
> > props */
> > > };
> > >
> > > enum {
> > >
> >
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