History

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.

Sebastian Reichel committed 6 years ago

Commit feabe491 parent bac705a3 files · +34 −0Browse files

Unified · Split

3 files
  1. Documentation/ABI/testing/sysfs-class-power +28 −0
  2. drivers/power/supply/power_supply_sysfs.c +3 −0
  3. include/linux/power_supply.h +3 −0
Documentation/ABI/testing/sysfs-class-power+28−0
@@ -680,3 +680,31 @@ Description: · 679 unmodified lines
680680 Valid values:
681681 - 1: enabled
682682 - 0: disabled
683+
684+What: /sys/class/power_supply/<supply_name>/manufacture_year
685+Date: January 2020
686+Contact: linux-pm@vger.kernel.org
687+Description:
688+ Reports the year (following Gregorian calendar) when the device has been
689+ manufactured.
690+
691+ Access: Read
692+ Valid values: Reported as integer
693+
694+What: /sys/class/power_supply/<supply_name>/manufacture_month
695+Date: January 2020
696+Contact: linux-pm@vger.kernel.org
697+Description:
698+ Reports the month when the device has been manufactured.
699+
700+ Access: Read
701+ Valid values: 1-12
702+
703+What: /sys/class/power_supply/<supply_name>/manufacture_day
704+Date: January 2020
705+Contact: linux-pm@vger.kernel.org
706+Description:
707+ Reports the day of month when the device has been manufactured.
708+
709+ Access: Read
710+ Valid values: 1-31
drivers/power/supply/power_supply_sysfs.c+3−0
@@ -198,6 +198,9 @@ static struct power_supply_attr power_supply_attrs[] = { · 197 unmodified lines
198198 POWER_SUPPLY_ATTR(PRECHARGE_CURRENT),
199199 POWER_SUPPLY_ATTR(CHARGE_TERM_CURRENT),
200200 POWER_SUPPLY_ATTR(CALIBRATE),
201+ POWER_SUPPLY_ATTR(MANUFACTURE_YEAR),
202+ POWER_SUPPLY_ATTR(MANUFACTURE_MONTH),
203+ POWER_SUPPLY_ATTR(MANUFACTURE_DAY),
201204 /* Properties of type `const char *' */
202205 POWER_SUPPLY_ATTR(MODEL_NAME),
203206 POWER_SUPPLY_ATTR(MANUFACTURER),
include/linux/power_supply.h+3−0
@@ -159,6 +159,9 @@ enum power_supply_property { · 158 unmodified lines
159159 POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
160160 POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
161161 POWER_SUPPLY_PROP_CALIBRATE,
162+ POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
163+ POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
164+ POWER_SUPPLY_PROP_MANUFACTURE_DAY,
162165 /* Properties of type `const char *' */
163166 POWER_SUPPLY_PROP_MODEL_NAME,
164167 POWER_SUPPLY_PROP_MANUFACTURER,