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| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-05-13 20:55:59 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2020-05-28 19:25:31 +0200 |
| commit | feabe49e46bb556b8d43e28d4a0d459940f7a5cb (patch) | |
| tree | 5f0045eade8ba28b7fc3d47d93faa900915425ea | |
| parent | bac705abcf345c28e419157cfcd1c44032cc9db2 (diff) | |
| download | kernel_replicant_linux-feabe49e46bb556b8d43e28d4a0d459940f7a5cb.tar.gz kernel_replicant_linux-feabe49e46bb556b8d43e28d4a0d459940f7a5cb.tar.bz2 kernel_replicant_linux-feabe49e46bb556b8d43e28d4a0d459940f7a5cb.zip | |
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: Sebastian Reichel <sebastian.reichel@collabora.com>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-power | 28 | ||||
| -rw-r--r-- | drivers/power/supply/power_supply_sysfs.c | 3 | ||||
| -rw-r--r-- | include/linux/power_supply.h | 3 |
3 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 2f896555ae23..e6d7348766b2 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -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 diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index e664774a2d1e..78d5382e69f1 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -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), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 453a85f25635..63ffe2a0a87b 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -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, |