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thermal: add new get_crit_temp callback

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Add a new callback so that the generic thermal can get
the critical trip point info of a thermal zone,
which is needed for building the tempX_crit hwmon sysfs attribute.

Signed-off-by: Zhang Rui <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Zhang, Rui 2008-04-10 16:13:10 +08:00 • committed by Len Brown
commit 9ec732ff80
2 changed files with 14 additions and 0 deletions
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13
drivers/acpi/thermal.c
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@ -1012,6 +1012,18 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
return -EINVAL;
}
static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
unsigned long *temperature) {
struct acpi_thermal *tz = thermal->devdata;
if (tz->trips.critical.flags.valid) {
*temperature = KELVIN_TO_MILLICELSIUS(
tz->trips.critical.temperature);
return 0;
} else
return -EINVAL;
}
typedef int (*cb)(struct thermal_zone_device *, int,
struct thermal_cooling_device *);
static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
@ -1103,6 +1115,7 @@ static struct thermal_zone_device_ops acpi_thermal_zone_ops = {
.set_mode = thermal_set_mode,
.get_trip_type = thermal_get_trip_type,
.get_trip_temp = thermal_get_trip_temp,
.get_crit_temp = thermal_get_crit_temp,
};
static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)