diff options
| author | Thomas Weißschuh <linux@weissschuh.net> | 2024-11-11 22:40:05 +0100 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2024-12-05 00:02:31 +0100 |
| commit | aa40f37d636570458e1be76f51564357347eb77c (patch) | |
| tree | e080a8a55b4958234f609d19f1a1cc2eec35aa9c | |
| parent | 172f2151c2b436746173d794887115e026961d82 (diff) | |
power: supply: core: introduce power_supply_has_property()
Introduce a helper to check if a power supply implements a certain
property. It will be used by the sysfs and hwmon code to remove similar
open-coded checks.
It also paves the way for the extension API to hook into.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241111-power-supply-extensions-v4-3-7240144daa8e@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
| -rw-r--r-- | drivers/power/supply/power_supply.h | 2 | ||||
| -rw-r--r-- | drivers/power/supply/power_supply_core.c | 12 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/power/supply/power_supply.h b/drivers/power/supply/power_supply.h index 7434a6f247750..5dabbd8955380 100644 --- a/drivers/power/supply/power_supply.h +++ b/drivers/power/supply/power_supply.h @@ -15,6 +15,8 @@ struct power_supply; extern int power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp); +extern bool power_supply_has_property(struct power_supply *psy, + enum power_supply_property psp); #ifdef CONFIG_SYSFS diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 2f61f6b90b99f..502b07468b93d 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -1196,6 +1196,18 @@ static bool psy_desc_has_property(const struct power_supply_desc *psy_desc, return found; } +bool power_supply_has_property(struct power_supply *psy, + enum power_supply_property psp) +{ + if (psy_desc_has_property(psy->desc, psp)) + return true; + + if (power_supply_battery_info_has_prop(psy->battery_info, psp)) + return true; + + return false; +} + int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) |