diff options
Diffstat (limited to 'include/linux/thermal.h')
| -rw-r--r-- | include/linux/thermal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 5eac316490ea..63830c4a49e6 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -40,6 +40,9 @@ /* No upper/lower limit requirement */ #define THERMAL_NO_LIMIT ((u32)~0) +/* use value, which < 0K, to indicate an invalid/uninitialized temperature */ +#define THERMAL_TEMP_INVALID -274000 + /* Unit conversion macros */ #define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \ ((long)t-2732+5)/10 : ((long)t-2732-5)/10) @@ -143,6 +146,7 @@ struct thermal_attr { * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis * @devdata: private pointer for device private data * @trips: number of trip points the thermal zone supports + * @trips_disabled; bitmap for disabled trips * @passive_delay: number of milliseconds to wait between polls when * performing passive cooling. Currenty only used by the * step-wise governor @@ -159,6 +163,7 @@ struct thermal_attr { * @forced_passive: If > 0, temperature at which to switch on all ACPI * processor cooling devices. Currently only used by the * step-wise governor. + * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. * @ops: operations this &thermal_zone_device supports * @tzp: thermal zone parameters * @governor: pointer to the governor for this thermal zone @@ -178,6 +183,7 @@ struct thermal_zone_device { struct thermal_attr *trip_hyst_attrs; void *devdata; int trips; + unsigned long trips_disabled; /* bitmap for disabled trips */ int passive_delay; int polling_delay; int temperature; @@ -185,6 +191,7 @@ struct thermal_zone_device { int emul_temperature; int passive; unsigned int forced_passive; + atomic_t need_update; struct thermal_zone_device_ops *ops; const struct thermal_zone_params *tzp; struct thermal_governor *governor; |