| Message ID | 20250530-qcom_battmgr_update-v2-2-9e377193a656@oss.qualcomm.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/8] power: supply: core: Add resistance power supply property | expand |
On Fri, May 30, 2025 at 03:35:07PM +0800, Fenglin Wu via B4 Relay wrote: > From: Fenglin Wu <fenglin.wu@oss.qualcomm.com> > > Add state_of_health power supply property to represent battery > health percentage. > > Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com> > --- > Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++ > drivers/power/supply/power_supply_sysfs.c | 1 + > include/linux/power_supply.h | 1 + > 3 files changed, 12 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power > index 22a565a6a1c509461b8c483e12975295765121d6..74e0d4d67467500c3cd62da3ae0b2e4a67e77680 100644 > --- a/Documentation/ABI/testing/sysfs-class-power > +++ b/Documentation/ABI/testing/sysfs-class-power > @@ -562,6 +562,16 @@ Description: > > Valid values: Represented in microohms > > +What: /sys/class/power_supply/<supply_name>/state_of_health > +Date: May 2025 > +Contact: linux-arm-msm@vger.kernel.org > +Description: > + Reports battery power supply state of health in percentage. > + > + Access: Read > + > + Valid values: 0 - 100 (percent) What does it mean that battery has 77% of health? > + > **USB Properties** > > What: /sys/class/power_supply/<supply_name>/input_current_limit > diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c > index dd829148eb6fda5dcd7eab53fc70f99081763714..12af0d0398822ff23d8970f6bdc8e3ef68081a1d 100644 > --- a/drivers/power/supply/power_supply_sysfs.c > +++ b/drivers/power/supply/power_supply_sysfs.c > @@ -221,6 +221,7 @@ static struct power_supply_attr power_supply_attrs[] __ro_after_init = { > POWER_SUPPLY_ATTR(MANUFACTURE_MONTH), > POWER_SUPPLY_ATTR(MANUFACTURE_DAY), > POWER_SUPPLY_ATTR(RESISTANCE), > + POWER_SUPPLY_ATTR(STATE_OF_HEALTH), > /* Properties of type `const char *' */ > POWER_SUPPLY_ATTR(MODEL_NAME), > POWER_SUPPLY_ATTR(MANUFACTURER), > diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h > index de3e88810e322546470b21258913abc7707c86a7..dd0108940231352ac6c6f0fa962d1ea904d81c7a 100644 > --- a/include/linux/power_supply.h > +++ b/include/linux/power_supply.h > @@ -175,6 +175,7 @@ enum power_supply_property { > POWER_SUPPLY_PROP_MANUFACTURE_MONTH, > POWER_SUPPLY_PROP_MANUFACTURE_DAY, > POWER_SUPPLY_PROP_RESISTANCE, > + POWER_SUPPLY_PROP_STATE_OF_HEALTH, > /* Properties of type `const char *' */ > POWER_SUPPLY_PROP_MODEL_NAME, > POWER_SUPPLY_PROP_MANUFACTURER, > > -- > 2.34.1 > >
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 22a565a6a1c509461b8c483e12975295765121d6..74e0d4d67467500c3cd62da3ae0b2e4a67e77680 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -562,6 +562,16 @@ Description: Valid values: Represented in microohms +What: /sys/class/power_supply/<supply_name>/state_of_health +Date: May 2025 +Contact: linux-arm-msm@vger.kernel.org +Description: + Reports battery power supply state of health in percentage. + + Access: Read + + Valid values: 0 - 100 (percent) + **USB Properties** What: /sys/class/power_supply/<supply_name>/input_current_limit diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index dd829148eb6fda5dcd7eab53fc70f99081763714..12af0d0398822ff23d8970f6bdc8e3ef68081a1d 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -221,6 +221,7 @@ static struct power_supply_attr power_supply_attrs[] __ro_after_init = { POWER_SUPPLY_ATTR(MANUFACTURE_MONTH), POWER_SUPPLY_ATTR(MANUFACTURE_DAY), POWER_SUPPLY_ATTR(RESISTANCE), + POWER_SUPPLY_ATTR(STATE_OF_HEALTH), /* Properties of type `const char *' */ POWER_SUPPLY_ATTR(MODEL_NAME), POWER_SUPPLY_ATTR(MANUFACTURER), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index de3e88810e322546470b21258913abc7707c86a7..dd0108940231352ac6c6f0fa962d1ea904d81c7a 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -175,6 +175,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_MANUFACTURE_MONTH, POWER_SUPPLY_PROP_MANUFACTURE_DAY, POWER_SUPPLY_PROP_RESISTANCE, + POWER_SUPPLY_PROP_STATE_OF_HEALTH, /* Properties of type `const char *' */ POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER,