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

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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





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