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thermal: int340x: Provide notification for OEM variable change

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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.pandruvada@linux.intel.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200915223650.406046-2-srinivas.pandruvada@linux.intel.com
This commit is contained in:
Srinivas Pandruvada 2020-09-15 15:36:48 -07:00 committed by Daniel Lezcano
parent df3e647d68
commit 39558030fd
1 changed files with 11 additions and 11 deletions
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22
drivers/thermal/intel/int340x_thermal/int3400_thermal.c
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@ -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,