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hwmon: (core) Add support for humidity min/max alarm

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Add min_alarm and max_alarm attributes for humidityX to support devices
that can generate these alarms.
Such attributes already exist for other magnitudes such as tempX.

Tested with a ChipCap 2 temperature-humidity sensor.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240130-topic-chipcap2-v6-2-260bea05cf9b@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Javier Carrasco 2024-01-30 22:06:45 +01:00 committed by Guenter Roeck
parent cc804e48fe
commit 5f85c4d10e
2 changed files with 6 additions and 0 deletions
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2
drivers/hwmon/hwmon.c
View File

@ -587,6 +587,8 @@ static const char * const hwmon_humidity_attr_templates[] = {
[hwmon_humidity_fault] = "humidity%d_fault",
[hwmon_humidity_rated_min] = "humidity%d_rated_min",
[hwmon_humidity_rated_max] = "humidity%d_rated_max",
[hwmon_humidity_min_alarm] = "humidity%d_min_alarm",
[hwmon_humidity_max_alarm] = "humidity%d_max_alarm",
};
static const char * const hwmon_fan_attr_templates[] = {

4
include/linux/hwmon.h
View File

@ -295,6 +295,8 @@ enum hwmon_humidity_attributes {
hwmon_humidity_fault,
hwmon_humidity_rated_min,
hwmon_humidity_rated_max,
hwmon_humidity_min_alarm,
hwmon_humidity_max_alarm,
};
#define HWMON_H_ENABLE BIT(hwmon_humidity_enable)
@ -308,6 +310,8 @@ enum hwmon_humidity_attributes {
#define HWMON_H_FAULT BIT(hwmon_humidity_fault)
#define HWMON_H_RATED_MIN BIT(hwmon_humidity_rated_min)
#define HWMON_H_RATED_MAX BIT(hwmon_humidity_rated_max)
#define HWMON_H_MIN_ALARM BIT(hwmon_humidity_min_alarm)
#define HWMON_H_MAX_ALARM BIT(hwmon_humidity_max_alarm)
enum hwmon_fan_attributes {
hwmon_fan_enable,