Re: [PATCH v4 05/13] power: supply: add inhibit-charge-s0 to charge_behaviour

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On Sun, 16 Mar 2025 at 17:50, Derek John Clark
<derekjohn.clark@xxxxxxxxx> wrote:
>
>
>
> On Sun, Mar 16, 2025, 09:47 Antheas Kapenekakis <lkml@xxxxxxxxxxx> wrote:
>>
>> On Sun, 16 Mar 2025 at 14:56, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>> >
>> > On 3/16/25 04:40, Antheas Kapenekakis wrote:
>> > > On Tue, 11 Mar 2025 at 17:54, Antheas Kapenekakis <lkml@xxxxxxxxxxx> wrote:
>> > >>
>> > >> OneXPlayer devices have a charge bypass feature
>> > >> that allows the user to select between it being
>> > >> active always or only when the device is on.
>> > >>
>> > >> Therefore, add attribute inhibit-charge-s0 to
>> > >> charge_behaviour to allow the user to select
>> > >> that bypass should only be on when the device is
>> > >> in the s0 state.
>> > >>
>> > >> Reviewed-by: Derek J. Clark <derekjohn.clark@xxxxxxxxx>
>> > >> Signed-off-by: Antheas Kapenekakis <lkml@xxxxxxxxxxx>
>> > >> ---
>> > >>   Documentation/ABI/testing/sysfs-class-power | 11 ++++++-----
>> > >>   drivers/power/supply/power_supply_sysfs.c   |  1 +
>> > >>   drivers/power/supply/test_power.c           |  1 +
>> > >>   include/linux/power_supply.h                |  1 +
>> > >>   4 files changed, 9 insertions(+), 5 deletions(-)
>> > >>
>> > >> diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power
>> > >> index 2a5c1a09a28f..4a187ca11f92 100644
>> > >> --- a/Documentation/ABI/testing/sysfs-class-power
>> > >> +++ b/Documentation/ABI/testing/sysfs-class-power
>> > >> @@ -508,11 +508,12 @@ Description:
>> > >>                  Access: Read, Write
>> > >>
>> > >>                  Valid values:
>> > >> -                       ================ ====================================
>> > >> -                       auto:            Charge normally, respect thresholds
>> > >> -                       inhibit-charge:  Do not charge while AC is attached
>> > >> -                       force-discharge: Force discharge while AC is attached
>> > >> -                       ================ ====================================
>> > >> +                       ================== =====================================
>> > >> +                       auto:              Charge normally, respect thresholds
>> > >> +                       inhibit-charge:    Do not charge while AC is attached
>> > >> +                       inhibit-charge-s0: same as inhibit-charge but only in S0
>> > >> +                       force-discharge:   Force discharge while AC is attached
>> > >> +                       ================== =====================================
>> > >>
>> > >>   What:          /sys/class/power_supply/<supply_name>/technology
>> > >>   Date:          May 2007
>> > >> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
>> > >> index edb058c19c9c..1a98fc26ce96 100644
>> > >> --- a/drivers/power/supply/power_supply_sysfs.c
>> > >> +++ b/drivers/power/supply/power_supply_sysfs.c
>> > >> @@ -140,6 +140,7 @@ static const char * const POWER_SUPPLY_SCOPE_TEXT[] = {
>> > >>   static const char * const POWER_SUPPLY_CHARGE_BEHAVIOUR_TEXT[] = {
>> > >>          [POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO]            = "auto",
>> > >>          [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE]  = "inhibit-charge",
>> > >> +       [POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_S0]       = "inhibit-charge-s0",
>> > >>          [POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE] = "force-discharge",
>> > >>   };
>> > >>
>> > >> diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
>> > >> index 2a975a110f48..4bc5ab84a9d6 100644
>> > >> --- a/drivers/power/supply/test_power.c
>> > >> +++ b/drivers/power/supply/test_power.c
>> > >> @@ -214,6 +214,7 @@ static const struct power_supply_desc test_power_desc[] = {
>> > >>                  .property_is_writeable = test_power_battery_property_is_writeable,
>> > >>                  .charge_behaviours = BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO)
>> > >>                                     | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE)
>> > >> +                                  | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_S0)
>> > >>                                     | BIT(POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE),
>> > >>          },
>> > >>          [TEST_USB] = {
>> > >> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
>> > >> index 6ed53b292162..b1ca5e148759 100644
>> > >> --- a/include/linux/power_supply.h
>> > >> +++ b/include/linux/power_supply.h
>> > >> @@ -212,6 +212,7 @@ enum power_supply_usb_type {
>> > >>   enum power_supply_charge_behaviour {
>> > >>          POWER_SUPPLY_CHARGE_BEHAVIOUR_AUTO = 0,
>> > >>          POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE,
>> > >> +       POWER_SUPPLY_CHARGE_BEHAVIOUR_INHIBIT_CHARGE_S0,
>> > >>          POWER_SUPPLY_CHARGE_BEHAVIOUR_FORCE_DISCHARGE,
>> > >>   };
>> > >>
>> > >> --
>> > >> 2.48.1
>> > >>
>> > >
>> > > Hi Guenter,
>> > > I think I need an ack here, and then someone from platform-x86 to
>> > > triage the series.
>> > >
>> > > Do I need to cc anyone extra?
>> > >
>> >
>> > You need to cc the maintainers of affected subsystems. Copying the mailing
>> > list is insufficient.
>> >
>> > Guenter
>> >
>>
>> Can you tell me who to cc from platform-x86 and linux-pm?
>>
>> Is it Armin and Rafael?
>
>
> Hans, Ilpo, Armin, and Mario
>
> - Derek

Sure. Full series on [1].

Antheas

btw, your reply was non-text.

[1] https://lore.kernel.org/all/20250311165406.331046-1-lkml@xxxxxxxxxxx/




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