Another technology to store energy is a (super)capacitor.
Signed-off-by: Mike Looijmans <mike.looijm...@topic.nl>
---
(no changes since v1)
Documentation/ABI/testing/sysfs-class-power | 2 +-
drivers/power/supply/power_supply_core.c | 2 ++
drivers/power/supply/power_supply_sysfs.c | 1 +
include/linux/power_supply.h | 1 +
.../selftests/power_supply/test_power_supply_properties.sh | 2 +-
5 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-class-power
b/Documentation/ABI/testing/sysfs-class-power
index 7c81f0a25a48..1f6a04a17c81 100644
--- a/Documentation/ABI/testing/sysfs-class-power
+++ b/Documentation/ABI/testing/sysfs-class-power
@@ -488,7 +488,7 @@ Description:
Valid values:
"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe",
- "NiCd", "LiMn"
+ "NiCd", "LiMn", "Capacitor"
What: /sys/class/power_supply/<supply_name>/voltage_avg,
diff --git a/drivers/power/supply/power_supply_core.c
b/drivers/power/supply/power_supply_core.c
index fefe938c9342..6d1327e16ff6 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -686,6 +686,8 @@ int power_supply_get_battery_info(struct power_supply *psy,
info->technology = POWER_SUPPLY_TECHNOLOGY_LiFe;
else if (!strcmp("lithium-ion-manganese-oxide", value))
info->technology = POWER_SUPPLY_TECHNOLOGY_LiMn;
+ else if (!strcmp("capacitor", value))
+ info->technology = POWER_SUPPLY_TECHNOLOGY_CAPACITOR;
else
dev_warn(&psy->dev, "%s unknown battery type\n", value);
}
diff --git a/drivers/power/supply/power_supply_sysfs.c
b/drivers/power/supply/power_supply_sysfs.c
index 0d2c3724d0bc..9d8540ce1f7e 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -119,6 +119,7 @@ static const char * const POWER_SUPPLY_TECHNOLOGY_TEXT[] = {
[POWER_SUPPLY_TECHNOLOGY_LiFe] = "LiFe",
[POWER_SUPPLY_TECHNOLOGY_NiCd] = "NiCd",
[POWER_SUPPLY_TECHNOLOGY_LiMn] = "LiMn",
+ [POWER_SUPPLY_TECHNOLOGY_CAPACITOR] = "Capacitor",
};
static const char * const POWER_SUPPLY_CAPACITY_LEVEL_TEXT[] = {
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 8e5705a56b85..af5a4e700881 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -78,6 +78,7 @@ enum {
POWER_SUPPLY_TECHNOLOGY_LiFe,
POWER_SUPPLY_TECHNOLOGY_NiCd,
POWER_SUPPLY_TECHNOLOGY_LiMn,
+ POWER_SUPPLY_TECHNOLOGY_CAPACITOR,
};
enum {
diff --git
a/tools/testing/selftests/power_supply/test_power_supply_properties.sh
b/tools/testing/selftests/power_supply/test_power_supply_properties.sh
index df272dfe1d2a..75f801eb86af 100755
--- a/tools/testing/selftests/power_supply/test_power_supply_properties.sh
+++ b/tools/testing/selftests/power_supply/test_power_supply_properties.sh
@@ -74,7 +74,7 @@ for DEVNAME in $supplies; do
test_sysfs_prop_optional model_name
test_sysfs_prop_optional manufacturer
test_sysfs_prop_optional serial_number
- test_sysfs_prop_optional_list technology
"Unknown","NiMH","Li-ion","Li-poly","LiFe","NiCd","LiMn"
+ test_sysfs_prop_optional_list technology
"Unknown","NiMH","Li-ion","Li-poly","LiFe","NiCd","LiMn","Capacitor"
test_sysfs_prop_optional cycle_count
--
2.34.1
Met vriendelijke groet / kind regards,
Mike Looijmans
System Expert
TOPIC Embedded Products B.V.
Materiaalweg 4, 5681 RJ Best
The Netherlands
T: +31 (0) 499 33 69 69
E: mike.looijm...@topic.nl
W: www.topic.nl
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