power: supply: core: introduce power_supply_has_property()

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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>

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Thomas Weißschuh 2024-11-11 22:40:05 +01:00 • committed by Sebastian Reichel

parent 172f2151c2

commit aa40f37d63

2 changed files with 14 additions and 0 deletions

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2

drivers/power/supply/power_supply.h

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12

drivers/power/supply/power_supply_core.c

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