Commit db783f10 authored by Nicolas Cavallari's avatar Nicolas Cavallari Committed by Felix Fietkau
Browse files

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



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: default avatarNicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 771cd8d4

drivers/net/wireless/mediatek/mt76/mt7915/init.c

+18 −9
Original line number Diff line number Diff line
@@ -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);



	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);