[PATCH 1/3] thermal: int340x: Provide notification for OEM variable change

[Srinivas Pandruvada]

When we receive ACPI notification for OEM variable change pass the
notification to user space handler. This will avoid polling for
OEM variable change from user space.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>
---
 .../intel/int340x_thermal/int3400_thermal.c   | 22 +++++++++----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c 
b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 4f5859d4c780..2ca295e6e64d 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -349,30 +349,30 @@ static void int3400_notify(acpi_handle handle,
 {
        struct int3400_thermal_priv *priv = data;
        char *thermal_prop[5];
+       int therm_event;
 
        if (!priv)
                return;
 
        switch (event) {
        case INT3400_THERMAL_TABLE_CHANGED:
-               thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s",
-                               priv->thermal->type);
-               thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d",
-                               priv->thermal->temperature);
-               thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=");
-               thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d",
-                               THERMAL_TABLE_CHANGED);
-               thermal_prop[4] = NULL;
-               kobject_uevent_env(&priv->thermal->device.kobj, KOBJ_CHANGE,
-                               thermal_prop);
+               therm_event = THERMAL_TABLE_CHANGED;
                break;
        case INT3400_ODVP_CHANGED:
                evaluate_odvp(priv);
+               therm_event = THERMAL_DEVICE_POWER_CAPABILITY_CHANGED;
                break;
        default:
                /* Ignore unknown notification codes sent to INT3400 device */
-               break;
+               return;
        }
+
+       thermal_prop[0] = kasprintf(GFP_KERNEL, "NAME=%s", priv->thermal->type);
+       thermal_prop[1] = kasprintf(GFP_KERNEL, "TEMP=%d", 
priv->thermal->temperature);
+       thermal_prop[2] = kasprintf(GFP_KERNEL, "TRIP=");
+       thermal_prop[3] = kasprintf(GFP_KERNEL, "EVENT=%d", therm_event);
+       thermal_prop[4] = NULL;
+       kobject_uevent_env(&priv->thermal->device.kobj, KOBJ_CHANGE, 
thermal_prop);
 }
 
 static int int3400_thermal_get_temp(struct thermal_zone_device *thermal,
-- 
2.25.4