diff options
| author |   Frans Pop <elendil@planet.nl> | 2009-10-26 08:39:01 +0100 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2009-11-05 18:17:03 -0500 |
| commit | 7fb2616e249184e217f9818a7662596165710ea4 (patch) | |
| tree | 2e96ca2686de3b2852155380957745c32c231a13 /drivers/acpi/thermal.c | |
| parent | thermal: sysfs-api.txt - document passive attribute for thermal zones (diff) | |
| download | linux-dev-7fb2616e249184e217f9818a7662596165710ea4.tar.xz linux-dev-7fb2616e249184e217f9818a7662596165710ea4.zip | |
acpi: thermal: display forced passive trip points in proc
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: 53 C
.../TZ1/trip_points:critical (S5): 110 C
.../TZ1/trip_points:passive (forced): 95 C
And if not set (passive is 0):
.../TZ1/trip_points:passive (forced):<not set>
Signed-off-by: Frans Pop <elendil@planet.nl>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/thermal.c')
| -rw-r--r-- | drivers/acpi/thermal.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 65f67815902a..9073ada88835 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1052,6 +1052,13 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) acpi_device_bid(device)); } seq_puts(seq, "\n"); + } else { + seq_printf(seq, "passive (forced):"); + if (tz->thermal_zone->forced_passive) + seq_printf(seq, " %i C\n", + tz->thermal_zone->forced_passive / 1000); + else + seq_printf(seq, "<not set>\n"); } for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { |