diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 11:52:52 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 11:52:52 -0700 |
commit | 08acd4f8af42affd8cbed81cc1b69fa12ddb213f (patch) | |
tree | 988d15db6233b20db6a500cd5f590c6d2041462d /drivers/acpi/thermal.c | |
parent | ccf2779544eecfcc5447e2028d1029b6d4ff7bb6 (diff) | |
parent | 008238b54ac2350babf195084ecedbcf7851a202 (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (179 commits)
ACPI: Fix acpi_processor_idle and idle= boot parameters interaction
acpi: fix section mismatch warning in pnpacpi
intel_menlo: fix build warning
ACPI: Cleanup: Remove unneeded, multiple local dummy variables
ACPI: video - fix permissions on some proc entries
ACPI: video - properly handle errors when registering proc elements
ACPI: video - do not store invalid entries in attached_array list
ACPI: re-name acpi_pm_ops to acpi_suspend_ops
ACER_WMI/ASUS_LAPTOP: fix build bug
thinkpad_acpi: fix possible NULL pointer dereference if kstrdup failed
ACPI: check a return value correctly in acpi_power_get_context()
#if 0 acpi/bay.c:eject_removable_drive()
eeepc-laptop: add hwmon fan control
eeepc-laptop: add backlight
eeepc-laptop: add base driver
ACPI: thinkpad-acpi: bump up version to 0.20
ACPI: thinkpad-acpi: fix selects in Kconfig
ACPI: thinkpad-acpi: use a private workqueue
ACPI: thinkpad-acpi: fluff really minor fix
ACPI: thinkpad-acpi: use uppercase for "LED" on user documentation
...
Fixed conflicts in drivers/acpi/video.c and drivers/misc/intel_menlow.c
manually.
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 0815ac3ae3d6..504385b1f211 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -889,10 +889,15 @@ static void acpi_thermal_check(void *data) static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf) { struct acpi_thermal *tz = thermal->devdata; + int result; if (!tz) return -EINVAL; + result = acpi_thermal_get_temperature(tz); + if (result) + return result; + return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature)); } @@ -1017,6 +1022,18 @@ 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, @@ -1108,6 +1125,7 @@ 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) @@ -1128,7 +1146,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE && tz->trips.active[i].flags.valid; i++, trips++); - tz->thermal_zone = thermal_zone_device_register("ACPI thermal zone", + tz->thermal_zone = thermal_zone_device_register("acpitz", trips, tz, &acpi_thermal_zone_ops); if (IS_ERR(tz->thermal_zone)) return -ENODEV; |