hwmon: (emc1403) Add support for alarm and diode fault status on EMC14x2 (03f49f64) · Commits · 戴 / test

drivers/hwmon/emc1403.c

+36 −0

Original line number	Diff line number	Diff line
		@@ -299,6 +299,39 @@ static const struct attribute_group emc1404_group = {
		.attrs = emc1404_attrs,
		};

		/*
		* EMC14x2 uses a different register and different bits to report alarm and
		* fault status. For simplicity, provide a separate attribute group for this
		* chip series.
		* Since we can not re-use the same attribute names, create a separate attribute
		* array.
		*/
		static struct sensor_device_attribute_2 emc1402_alarms[] = {
		SENSOR_ATTR_2(temp1_min_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x20),
		SENSOR_ATTR_2(temp1_max_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x40),
		SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x01),

		SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_bit, NULL, 0x02, 0x04),
		SENSOR_ATTR_2(temp2_min_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x08),
		SENSOR_ATTR_2(temp2_max_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x10),
		SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_bit, NULL, 0x02, 0x02),
		};

		static struct attribute *emc1402_alarm_attrs[] = {
		&emc1402_alarms[0].dev_attr.attr,
		&emc1402_alarms[1].dev_attr.attr,
		&emc1402_alarms[2].dev_attr.attr,
		&emc1402_alarms[3].dev_attr.attr,
		&emc1402_alarms[4].dev_attr.attr,
		&emc1402_alarms[5].dev_attr.attr,
		&emc1402_alarms[6].dev_attr.attr,
		NULL,
		};

		static const struct attribute_group emc1402_alarm_group = {
		.attrs = emc1402_alarm_attrs,
		};

		static int emc1403_detect(struct i2c_client *client,
		struct i2c_board_info *info)
		{
		@@ -395,6 +428,9 @@ static int emc1403_probe(struct i2c_client *client,
		data->groups[0] = &emc1402_group;
		}

		if (id->driver_data == emc1402)
		data->groups[1] = &emc1402_alarm_group;

		hwmon_dev = devm_hwmon_device_register_with_groups(&client->dev,
		client->name, data,
		data->groups);

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