thermal: core: Add new event for sending keep alive notifications

This event is sent by the platform firmware to confirm that
user space thermal solution is alive. The response to this event
from the user space thermal solution is platform specific.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200915223650.406046-3-srinivas.pandruvada@linux.intel.com

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 42ef807..42b69d4 100644 (file)
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -55,6 +55,7 @@ enum thermal_notify_event {
        THERMAL_DEVICE_UP, /* Thermal device is up after a down event */
        THERMAL_DEVICE_POWER_CAPABILITY_CHANGED, /* power capability changed */
        THERMAL_TABLE_CHANGED, /* Thermal table(s) changed */
+       THERMAL_EVENT_KEEP_ALIVE, /* Request for user space handler to respond */
 };
 
 struct thermal_zone_device_ops {