diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/thermal.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 419590f41ed5..f14e68266ccd 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -492,26 +492,22 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, int *temp) } static int thermal_get_trend(struct thermal_zone_device *thermal, - int trip_index, enum thermal_trend *trend) + struct thermal_trip *trip, + enum thermal_trend *trend) { struct acpi_thermal *tz = thermal_zone_device_priv(thermal); struct acpi_thermal_trip *acpi_trip; - int t, i; + int t; - if (!tz || trip_index < 0) + if (!tz || !trip) return -EINVAL; - if (tz->trips.critical.valid) - trip_index--; - - if (tz->trips.hot.valid) - trip_index--; - - if (trip_index < 0) + acpi_trip = trip->priv; + if (!acpi_trip || !acpi_trip->valid) return -EINVAL; - acpi_trip = &tz->trips.passive.trip; - if (acpi_trip->valid && !trip_index--) { + switch (trip->type) { + case THERMAL_TRIP_PASSIVE: t = tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature) + tz->trips.passive.tc2 * (tz->temperature - @@ -524,19 +520,18 @@ static int thermal_get_trend(struct thermal_zone_device *thermal, *trend = THERMAL_TREND_STABLE; return 0; - } - - t = acpi_thermal_temp(tz, tz->temperature); - for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - acpi_trip = &tz->trips.active[i].trip; - if (acpi_trip->valid && !trip_index--) { - if (t > acpi_thermal_temp(tz, acpi_trip->temperature)) { - *trend = THERMAL_TREND_RAISING; - return 0; - } + case THERMAL_TRIP_ACTIVE: + t = acpi_thermal_temp(tz, tz->temperature); + if (t <= trip->temperature) break; - } + + *trend = THERMAL_TREND_RAISING; + + return 0; + + default: + break; } return -EINVAL; |