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| author | Len Brown <len.brown@intel.com> | 2011-01-12 11:00:44 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2011-01-12 11:00:44 +0100 |
| commit | 77cff3b0d6349cc0212056238108b827b3cc353b (patch) | |
| tree | 58fcc90ad643ac51723ebe47d9353239c91b06ba /Documentation | |
| parent | Merge branch 'procfs-cleanup' into release (diff) | |
| parent | thermal: Add event notification to thermal framework (diff) | |
| download | linux-77cff3b0d6349cc0212056238108b827b3cc353b.tar.xz linux-77cff3b0d6349cc0212056238108b827b3cc353b.zip | |
Merge branch 'thermal' into release
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/stable/thermal-notification | 4 | ||||
| -rw-r--r-- | Documentation/thermal/sysfs-api.txt | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/thermal-notification b/Documentation/ABI/stable/thermal-notification new file mode 100644 index 000000000000..9723e8b7aeb3 --- /dev/null +++ b/Documentation/ABI/stable/thermal-notification @@ -0,0 +1,4 @@ +What: A notification mechanism for thermal related events +Description: + This interface enables notification for thermal related events. + The notification is in the form of a netlink event. diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt index cb3d15bc1aeb..b61e46f449aa 100644 --- a/Documentation/thermal/sysfs-api.txt +++ b/Documentation/thermal/sysfs-api.txt @@ -278,3 +278,15 @@ method, the sys I/F structure will be built like this: |---name: acpitz |---temp1_input: 37000 |---temp1_crit: 100000 + +4. Event Notification + +The framework includes a simple notification mechanism, in the form of a +netlink event. Netlink socket initialization is done during the _init_ +of the framework. Drivers which intend to use the notification mechanism +just need to call generate_netlink_event() with two arguments viz +(originator, event). Typically the originator will be an integer assigned +to a thermal_zone_device when it registers itself with the framework. The +event will be one of:{THERMAL_AUX0, THERMAL_AUX1, THERMAL_CRITICAL, +THERMAL_DEV_FAULT}. Notification can be sent when the current temperature +crosses any of the configured thresholds. |