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| author | Durgadoss R <durgadoss.r@intel.com> | 2012-09-18 07:35:05 +0200 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2012-11-05 07:00:08 +0100 |
| commit | f2b4caafd4aa64c9438b0a94af78b127228e6905 (patch) | |
| tree | 164004dabe45f3cf1d2c4575258e23c3907636fe /drivers/thermal | |
| parent | Thermal: Remove throttling logic out of thermal_sys.c (diff) | |
| download | linux-f2b4caafd4aa64c9438b0a94af78b127228e6905.tar.xz linux-f2b4caafd4aa64c9438b0a94af78b127228e6905.zip | |
Thermal: Add a notification API
This patch adds a notification API which the sensor drivers'
can use to notify the framework. The framework then takes
care of the throttling according to the configured policy.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_sys.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 64f3e9735316..a69f24c4414a 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -1369,6 +1369,24 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev) EXPORT_SYMBOL(thermal_cdev_update); /** + * notify_thermal_framework - Sensor drivers use this API to notify framework + * @tz: thermal zone device + * @trip: indicates which trip point has been crossed + * + * This function handles the trip events from sensor drivers. It starts + * throttling the cooling devices according to the policy configured. + * For CRITICAL and HOT trip points, this notifies the respective drivers, + * and does actual throttling for other trip points i.e ACTIVE and PASSIVE. + * The throttling policy is based on the configured platform data; if no + * platform data is provided, this uses the step_wise throttling policy. + */ +void notify_thermal_framework(struct thermal_zone_device *tz, int trip) +{ + handle_thermal_trip(tz, trip); +} +EXPORT_SYMBOL(notify_thermal_framework); + +/** * create_trip_attrs - create attributes for trip points * @tz: the thermal zone device * @mask: Writeable trip point bitmap. |