author: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> 2020-09-15 15:36:50 -0700
committer: Daniel Lezcano <daniel.lezcano@linaro.org> 2020-10-12 12:08:36 +0200
commit: 94a3c35eb007d66f6d8e28ceb5967461017b2aea
parent: 88052319620a35f827509d645e4c8063ded751c8
Commit Summary:
Diffstat:
1 file changed, 25 insertions, 0 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 2ca295e6e64d..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,
@@ -358,6 +384,9 @@ static void int3400_notify(acpi_handle handle,
case INT3400_THERMAL_TABLE_CHANGED:
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;