Users can force a passive trip point for a thermal zone that does not
have _PSV defined in ACPI by setting the passive attribute in sysfs.
It's useful to display such trip points in /proc/acpi/thermal_zone.
.../TZ1/cooling_mode:<setting not supported>
.../TZ1/polling_frequency:polling frequency: 10 seconds
.../TZ1/state:state: ok
.../TZ1/temperature:temperature: 56 C
.../TZ1/trip_points:critical (S5): 110 C
.../TZ1/trip_points:passive: 95 C: forced
Signed-off-by: Frans Pop <elendil@xxxxxxxxx>
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
---
Now that I've got this set on my notebook, I also want to see that
it's set :-)
Cheers,
FJP
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 564ea14..c64cfa9 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1050,6 +1050,10 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset)
acpi_device_bid(device));
}
seq_puts(seq, "\n");
+ } else if (tz->thermal_zone->forced_passive) {
+ seq_printf(seq,
+ "passive: %i C: forced",
+ tz->thermal_zone->forced_passive / 1000);
}
for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) {
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
