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mt76: mt7915e: Add a hwmon attribute to get the actual throttle state.

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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@green-communications.fr>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Nicolas Cavallari
2022-02-07 18:37:46 +01:00
committed by Felix Fietkau
parent 771cd8d4c3
commit db783f10b2
1 changed files with 18 additions and 9 deletions
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27
drivers/net/wireless/mediatek/mt76/mt7915/init.c
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@@ -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);