[PATCH 2/6] thermal: documentation update

[Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>]

Added description for thermal_zone_device_update, which is
already used by thermal core and client drivers.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 Documentation/thermal/sysfs-api.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt
index 10f062e..16770f0 100644
--- a/Documentation/thermal/sysfs-api.txt
+++ b/Documentation/thermal/sysfs-api.txt
@@ -494,3 +494,13 @@ platform data is provided, this uses the step_wise throttling policy.
 This function serves as an arbitrator to set the state of a cooling
 device. It sets the cooling device to the deepest cooling state if
 possible.
+
+5.5:thermal_zone_device_update:
+This function is used by thermal core and thermal client drivers to trigger
+temperature read and governor specific processing for thermal trip violation.
+Using event type parameter, the caller can specify the reason for this call.
+This reason can be
+THERMAL_DEVICE_EVENT_NONE for unspecified reason
+THERMAL_DEVICE_EVENT_THRESHOLD for temp threshold event
+THERMAL_DEVICE_EVENT_TEMP_SAMPLE for new temperature sample notification
+THERMAL_DEVICE_TRIP_TEMP_CHANGE for notifying trip point temperature change
-- 
2.4.3