Commit feabe49e authored by Sebastian Reichel's avatar Sebastian Reichel
Browse files

power: supply: core: add manufacture date properties 



Some smart batteries store their manufacture date, which is
useful to identify the battery and/or to know about the cell
quality.

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent bac705ab

Documentation/ABI/testing/sysfs-class-power

+28 −0
Original line number Diff line number Diff line
@@ -680,3 +680,31 @@ Description: 
		Valid values:

		- 1: enabled

		- 0: disabled



What:		/sys/class/power_supply/<supply_name>/manufacture_year

Date:		January 2020

Contact:	linux-pm@vger.kernel.org

Description:

		Reports the year (following Gregorian calendar) when the device has been

		manufactured.



		Access: Read

		Valid values: Reported as integer



What:		/sys/class/power_supply/<supply_name>/manufacture_month

Date:		January 2020

Contact:	linux-pm@vger.kernel.org

Description:

		Reports the month when the device has been manufactured.



		Access: Read

		Valid values: 1-12



What:		/sys/class/power_supply/<supply_name>/manufacture_day

Date:		January 2020

Contact:	linux-pm@vger.kernel.org

Description:

		Reports the day of month when the device has been manufactured.



		Access: Read

		Valid values: 1-31

drivers/power/supply/power_supply_sysfs.c

+3 −0
Original line number Diff line number Diff line
@@ -198,6 +198,9 @@ static struct power_supply_attr power_supply_attrs[] = { 
	POWER_SUPPLY_ATTR(PRECHARGE_CURRENT),

	POWER_SUPPLY_ATTR(CHARGE_TERM_CURRENT),

	POWER_SUPPLY_ATTR(CALIBRATE),

	POWER_SUPPLY_ATTR(MANUFACTURE_YEAR),

	POWER_SUPPLY_ATTR(MANUFACTURE_MONTH),

	POWER_SUPPLY_ATTR(MANUFACTURE_DAY),

	/* Properties of type `const char *' */

	POWER_SUPPLY_ATTR(MODEL_NAME),

	POWER_SUPPLY_ATTR(MANUFACTURER),

include/linux/power_supply.h

+3 −0
Original line number Diff line number Diff line
@@ -159,6 +159,9 @@ enum power_supply_property { 
	POWER_SUPPLY_PROP_PRECHARGE_CURRENT,

	POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,

	POWER_SUPPLY_PROP_CALIBRATE,

	POWER_SUPPLY_PROP_MANUFACTURE_YEAR,

	POWER_SUPPLY_PROP_MANUFACTURE_MONTH,

	POWER_SUPPLY_PROP_MANUFACTURE_DAY,

	/* Properties of type `const char *' */

	POWER_SUPPLY_PROP_MODEL_NAME,

	POWER_SUPPLY_PROP_MANUFACTURER,