On 三, 2012-08-08 at 15:02 +0300, Valentin, Eduardo wrote: > Hello Rui, > > On Thu, Jul 26, 2012 at 11:41 AM, Zhang Rui <rui.zhang@xxxxxxxxx> wrote: > > This is because general active cooling devices, like fans, > > may have multiple speeds, which can be mapped to different cooling states. > > > > Reviewed-by: Rafael J. Wysocki <rjw@xxxxxxx> > > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx> > > Reviewed-by: Eduardo Valentin <eduardo.valentin@xxxxxx> > thanks! -rui > > --- > > drivers/thermal/thermal_sys.c | 12 ++++++++++-- > > 1 file changed, 10 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c > > index 2d7a9fe..05f42cd 100644 > > --- a/drivers/thermal/thermal_sys.c > > +++ b/drivers/thermal/thermal_sys.c > > @@ -1059,6 +1059,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) > > enum thermal_trip_type trip_type; > > struct thermal_cooling_device_instance *instance; > > struct thermal_cooling_device *cdev; > > + unsigned long cur_state, max_state; > > > > mutex_lock(&tz->lock); > > > > @@ -1098,10 +1099,17 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) > > > > cdev = instance->cdev; > > > > + cdev->ops->get_cur_state(cdev, &cur_state); > > + cdev->ops->get_max_state(cdev, &max_state); > > + > > if (temp >= trip_temp) > > - cdev->ops->set_cur_state(cdev, 1); > > + cur_state = cur_state < max_state ? > > + (cur_state + 1) : max_state; > > else > > - cdev->ops->set_cur_state(cdev, 0); > > + cur_state = cur_state > 0 ? > > + (cur_state - 1) : 0; > > + > > + cdev->ops->set_cur_state(cdev, cur_state); > > } > > break; > > case THERMAL_TRIP_PASSIVE: > > -- > > 1.7.9.5 > > > > > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html