The firmware-controlled actual throttle state was previously available
by reading the cooling_device, but this confused the thermal subsystem.
Add a hwmon attribute to get it instead.
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@xxxxxxxxxxxxxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7915/init.c | 27 ++++++++++++-------
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index d6efbf1a2724..71ca4b0641b6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -50,15 +50,22 @@ static ssize_t mt7915_thermal_temp_show(struct device *dev,
int i = to_sensor_dev_attr(attr)->index;
int temperature;
- if (i)
- return sprintf(buf, "%u\n", phy->throttle_temp[i - 1] * 1000);
-
- temperature = mt7915_mcu_get_temperature(phy);
- if (temperature < 0)
- return temperature;
-
- /* display in millidegree celcius */
- return sprintf(buf, "%u\n", temperature * 1000);
+ switch (i) {
+ case 0:
+ temperature = mt7915_mcu_get_temperature(phy);
+ if (temperature < 0)
+ return temperature;
+ /* display in millidegree celcius */
+ return sprintf(buf, "%u\n", temperature * 1000);
+ case 1:
+ case 2:
+ return sprintf(buf, "%u\n",
+ phy->throttle_temp[i - 1] * 1000);
+ case 3:
+ return sprintf(buf, "%hhu\n", phy->throttle_state);
+ default:
+ return -EINVAL;
+ }
}
static ssize_t mt7915_thermal_temp_store(struct device *dev,
@@ -84,11 +91,13 @@ static ssize_t mt7915_thermal_temp_store(struct device *dev,
static SENSOR_DEVICE_ATTR_RO(temp1_input, mt7915_thermal_temp, 0);
static SENSOR_DEVICE_ATTR_RW(temp1_crit, mt7915_thermal_temp, 1);
static SENSOR_DEVICE_ATTR_RW(temp1_max, mt7915_thermal_temp, 2);
+static SENSOR_DEVICE_ATTR_RO(throttle1, mt7915_thermal_temp, 3);
static struct attribute *mt7915_hwmon_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_temp1_crit.dev_attr.attr,
&sensor_dev_attr_temp1_max.dev_attr.attr,
+ &sensor_dev_attr_throttle1.dev_attr.attr,
NULL,
};
ATTRIBUTE_GROUPS(mt7915_hwmon);
--
2.34.1
