diff options
Diffstat (limited to 'drivers/thermal/intel/int340x_thermal/int3400_thermal.c')
| -rw-r--r-- | drivers/thermal/intel/int340x_thermal/int3400_thermal.c | 51 |
1 files changed, 40 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..0966551cbaaa 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -14,6 +14,7 @@ #define INT3400_THERMAL_TABLE_CHANGED 0x83 #define INT3400_ODVP_CHANGED 0x88 +#define INT3400_KEEP_ALIVE 0xA0 enum int3400_thermal_uuid { INT3400_THERMAL_PASSIVE_1, @@ -83,8 +84,33 @@ static struct bin_attribute *data_attributes[] = { NULL, }; +static ssize_t imok_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct int3400_thermal_priv *priv = dev_get_drvdata(dev); + acpi_status status; + int input, ret; + + ret = kstrtouint(buf, 10, &input); + if (ret) + return ret; + status = acpi_execute_simple_method(priv->adev->handle, "IMOK", input); + if (ACPI_FAILURE(status)) + return -EIO; + + return count; +} + +static DEVICE_ATTR_WO(imok); + +static struct attribute *imok_attr[] = { + &dev_attr_imok.attr, + NULL +}; + static const struct attribute_group data_attribute_group = { .bin_attrs = data_attributes, + .attrs = imok_attr, }; static ssize_t available_uuids_show(struct device *dev, @@ -349,30 +375,33 @@ 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_KEEP_ALIVE: + therm_event = THERMAL_EVENT_KEEP_ALIVE; 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, |