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power: supply: Add HWMON compatibility layer

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Add code implementing HWMON adapter/compatibility layer to allow
expositing various sensors present on power supply devices via HWMON
subsystem. This is done in order to allow userspace to use single
ABI/library(libsensors) to access/manipulate all of the sensors of the
system.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Chris Healy <cphealy@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Andrey Smirnov
2019-06-12 01:44:04 -07:00
committed by Sebastian Reichel
parent 22ee8384dc
commit e67d4dfc9f
5 changed files with 390 additions and 0 deletions
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13
include/linux/power_supply.h
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@@ -481,4 +481,17 @@ static inline bool power_supply_is_watt_property(enum power_supply_property psp)
return 0;
}
#ifdef CONFIG_POWER_SUPPLY_HWMON
int power_supply_add_hwmon_sysfs(struct power_supply *psy);
void power_supply_remove_hwmon_sysfs(struct power_supply *psy);
#else
static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy)
{
return 0;
}
static inline
void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
#endif
#endif /* __LINUX_POWER_SUPPLY_H__ */