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path: root/drivers/thermal
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Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/thermal_sys.c91
1 files changed, 78 insertions, 13 deletions
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 8171ca17b93..bd139adc6d3 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -104,22 +104,36 @@ static ssize_t
temp_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
+ long temperature;
+ int ret;
if (!tz->ops->get_temp)
return -EPERM;
- return tz->ops->get_temp(tz, buf);
+ ret = tz->ops->get_temp(tz, &temperature);
+
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%ld\n", temperature);
}
static ssize_t
mode_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
+ enum thermal_device_mode mode;
+ int result;
if (!tz->ops->get_mode)
return -EPERM;
- return tz->ops->get_mode(tz, buf);
+ result = tz->ops->get_mode(tz, &mode);
+ if (result)
+ return result;
+
+ return sprintf(buf, "%s\n", mode == THERMAL_DEVICE_ENABLED ? "enabled"
+ : "disabled");
}
static ssize_t
@@ -132,7 +146,13 @@ mode_store(struct device *dev, struct device_attribute *attr,
if (!tz->ops->set_mode)
return -EPERM;
- result = tz->ops->set_mode(tz, buf);
+ if (!strncmp(buf, "enabled", sizeof("enabled")))
+ result = tz->ops->set_mode(tz, THERMAL_DEVICE_ENABLED);
+ else if (!strncmp(buf, "disabled", sizeof("disabled")))
+ result = tz->ops->set_mode(tz, THERMAL_DEVICE_DISABLED);
+ else
+ result = -EINVAL;
+
if (result)
return result;
@@ -144,7 +164,8 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
- int trip;
+ enum thermal_trip_type type;
+ int trip, result;
if (!tz->ops->get_trip_type)
return -EPERM;
@@ -152,7 +173,22 @@ trip_point_type_show(struct device *dev, struct device_attribute *attr,
if (!sscanf(attr->attr.name, "trip_point_%d_type", &trip))
return -EINVAL;
- return tz->ops->get_trip_type(tz, trip, buf);
+ result = tz->ops->get_trip_type(tz, trip, &type);
+ if (result)
+ return result;
+
+ switch (type) {
+ case THERMAL_TRIP_CRITICAL:
+ return sprintf(buf, "critical");
+ case THERMAL_TRIP_HOT:
+ return sprintf(buf, "hot");
+ case THERMAL_TRIP_PASSIVE:
+ return sprintf(buf, "passive");
+ case THERMAL_TRIP_ACTIVE:
+ return sprintf(buf, "active");
+ default:
+ return sprintf(buf, "unknown");
+ }
}
static ssize_t
@@ -160,7 +196,8 @@ trip_point_temp_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
- int trip;
+ int trip, ret;
+ long temperature;
if (!tz->ops->get_trip_temp)
return -EPERM;
@@ -168,7 +205,12 @@ trip_point_temp_show(struct device *dev, struct device_attribute *attr,
if (!sscanf(attr->attr.name, "trip_point_%d_temp", &trip))
return -EINVAL;
- return tz->ops->get_trip_temp(tz, trip, buf);
+ ret = tz->ops->get_trip_temp(tz, trip, &temperature);
+
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%ld\n", temperature);
}
static DEVICE_ATTR(type, 0444, type_show, NULL);
@@ -236,8 +278,13 @@ thermal_cooling_device_max_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct thermal_cooling_device *cdev = to_cooling_device(dev);
+ unsigned long state;
+ int ret;
- return cdev->ops->get_max_state(cdev, buf);
+ ret = cdev->ops->get_max_state(cdev, &state);
+ if (ret)
+ return ret;
+ return sprintf(buf, "%ld\n", state);
}
static ssize_t
@@ -245,8 +292,13 @@ thermal_cooling_device_cur_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct thermal_cooling_device *cdev = to_cooling_device(dev);
+ unsigned long state;
+ int ret;
- return cdev->ops->get_cur_state(cdev, buf);
+ ret = cdev->ops->get_cur_state(cdev, &state);
+ if (ret)
+ return ret;
+ return sprintf(buf, "%ld\n", state);
}
static ssize_t
@@ -255,10 +307,10 @@ thermal_cooling_device_cur_state_store(struct device *dev,
const char *buf, size_t count)
{
struct thermal_cooling_device *cdev = to_cooling_device(dev);
- int state;
+ unsigned long state;
int result;
- if (!sscanf(buf, "%d\n", &state))
+ if (!sscanf(buf, "%ld\n", &state))
return -EINVAL;
if (state < 0)
@@ -312,13 +364,20 @@ static DEVICE_ATTR(name, 0444, name_show, NULL);
static ssize_t
temp_input_show(struct device *dev, struct device_attribute *attr, char *buf)
{
+ long temperature;
+ int ret;
struct thermal_hwmon_attr *hwmon_attr
= container_of(attr, struct thermal_hwmon_attr, attr);
struct thermal_zone_device *tz
= container_of(hwmon_attr, struct thermal_zone_device,
temp_input);
- return tz->ops->get_temp(tz, buf);
+ ret = tz->ops->get_temp(tz, &temperature);
+
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%ld\n", temperature);
}
static ssize_t
@@ -330,8 +389,14 @@ temp_crit_show(struct device *dev, struct device_attribute *attr,
struct thermal_zone_device *tz
= container_of(hwmon_attr, struct thermal_zone_device,
temp_crit);
+ long temperature;
+ int ret;
+
+ ret = tz->ops->get_trip_temp(tz, 0, &temperature);
+ if (ret)
+ return ret;
- return tz->ops->get_trip_temp(tz, 0, buf);
+ return sprintf(buf, "%ld\n", temperature);
}