Hi, Support for SBS battery manufacturer date is part of power-supply's pull request for v5.8 with a different API allowing other batteries to expose less precise information:
https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git/commit/?h=for-next&id=feabe49e46bb556b8d43e28d4a0d459940f7a5cb https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git/commit/?h=for-next&id=7721c2fd2668c751f9ba33b35db08b86293869e5 -- Sebastian On Tue, Jun 09, 2020 at 01:22:36PM -0600, Tim Wawrzynczak wrote: > The Smart Battery Specification v1.1 defines Manufacture Date as one of > its availabe registers. This patch adds this as a property so that > power_supply drivers can support the property and report it in syfs. > > Signed-off-by: Tim Wawrzynczak <[email protected]> > Change-Id: I90bf8c67b0cd531f2155404424a98302a1c931d6 > --- > drivers/power/supply/power_supply_sysfs.c | 3 ++- > include/linux/power_supply.h | 1 + > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/power/supply/power_supply_sysfs.c > b/drivers/power/supply/power_supply_sysfs.c > index f37ad4eae60b9..ac6d9992a8675 100644 > --- a/drivers/power/supply/power_supply_sysfs.c > +++ b/drivers/power/supply/power_supply_sysfs.c > @@ -171,7 +171,7 @@ static ssize_t power_supply_show_property(struct device > *dev, > ret = sprintf(buf, "%s\n", > power_supply_scope_text[value.intval]); > break; > - case POWER_SUPPLY_PROP_MODEL_NAME ... POWER_SUPPLY_PROP_SERIAL_NUMBER: > + case POWER_SUPPLY_PROP_MODEL_NAME ... > POWER_SUPPLY_PROP_MANUFACTURE_DATE: > ret = sprintf(buf, "%s\n", value.strval); > break; > default: > @@ -310,6 +310,7 @@ static struct device_attribute power_supply_attrs[] = { > POWER_SUPPLY_ATTR(model_name), > POWER_SUPPLY_ATTR(manufacturer), > POWER_SUPPLY_ATTR(serial_number), > + POWER_SUPPLY_ATTR(manufacture_date), > }; > > static struct attribute * > diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h > index 28413f737e7d0..67839bb0a46b6 100644 > --- a/include/linux/power_supply.h > +++ b/include/linux/power_supply.h > @@ -162,6 +162,7 @@ enum power_supply_property { > POWER_SUPPLY_PROP_MODEL_NAME, > POWER_SUPPLY_PROP_MANUFACTURER, > POWER_SUPPLY_PROP_SERIAL_NUMBER, > + POWER_SUPPLY_PROP_MANUFACTURE_DATE, > }; > > enum power_supply_type { > -- > 2.26.2 >
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