1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <linux/hwmon-sysfs.h>
59 	if (time_after(jiffies, drv_data->last_update + HZ)  in menf21bmc_hwmon_update()
60 	    || !drv_data->valid) {  in menf21bmc_hwmon_update()
62 			val = i2c_smbus_read_word_data(drv_data->i2c_client,  in menf21bmc_hwmon_update()
68 			drv_data->in_val[i] = val;  in menf21bmc_hwmon_update()
70 		drv_data->last_update = jiffies;  in menf21bmc_hwmon_update()
71 		drv_data->valid = true;  in menf21bmc_hwmon_update()
82 		val = i2c_smbus_read_word_data(drv_data->i2c_client,  in menf21bmc_hwmon_get_volt_limits()
87 		drv_data->in_min[i] = val;  in menf21bmc_hwmon_get_volt_limits()
89 		val = i2c_smbus_read_word_data(drv_data->i2c_client,  in menf21bmc_hwmon_get_volt_limits()
94 		drv_data->in_max[i] = val;  in menf21bmc_hwmon_get_volt_limits()
102 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);  in label_show()  local
104 	return sprintf(buf, "%s\n", input_names[attr->index]);  in label_show()
110 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);  in in_show()  local
116 	return sprintf(buf, "%d\n", drv_data->in_val[attr->index]);  in in_show()
122 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);  in min_show()  local
125 	return sprintf(buf, "%d\n", drv_data->in_min[attr->index]);  in min_show()
131 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);  in max_show()  local
134 	return sprintf(buf, "%d\n", drv_data->in_max[attr->index]);  in max_show()
139 static SENSOR_DEVICE_ATTR_RO(in0_max, max, 0);
143 static SENSOR_DEVICE_ATTR_RO(in1_max, max, 1);
147 static SENSOR_DEVICE_ATTR_RO(in2_max, max, 2);
151 static SENSOR_DEVICE_ATTR_RO(in3_max, max, 3);
155 static SENSOR_DEVICE_ATTR_RO(in4_max, max, 4);
159 	&sensor_dev_attr_in0_input.dev_attr.attr,
160 	&sensor_dev_attr_in0_min.dev_attr.attr,
161 	&sensor_dev_attr_in0_max.dev_attr.attr,
162 	&sensor_dev_attr_in0_label.dev_attr.attr,
164 	&sensor_dev_attr_in1_input.dev_attr.attr,
165 	&sensor_dev_attr_in1_min.dev_attr.attr,
166 	&sensor_dev_attr_in1_max.dev_attr.attr,
167 	&sensor_dev_attr_in1_label.dev_attr.attr,
169 	&sensor_dev_attr_in2_input.dev_attr.attr,
170 	&sensor_dev_attr_in2_min.dev_attr.attr,
171 	&sensor_dev_attr_in2_max.dev_attr.attr,
172 	&sensor_dev_attr_in2_label.dev_attr.attr,
174 	&sensor_dev_attr_in3_input.dev_attr.attr,
175 	&sensor_dev_attr_in3_min.dev_attr.attr,
176 	&sensor_dev_attr_in3_max.dev_attr.attr,
177 	&sensor_dev_attr_in3_label.dev_attr.attr,
179 	&sensor_dev_attr_in4_input.dev_attr.attr,
180 	&sensor_dev_attr_in4_min.dev_attr.attr,
181 	&sensor_dev_attr_in4_max.dev_attr.attr,
182 	&sensor_dev_attr_in4_label.dev_attr.attr,
192 	struct i2c_client *i2c_client = to_i2c_client(pdev->dev.parent);  in menf21bmc_hwmon_probe()
195 	drv_data = devm_kzalloc(&pdev->dev, sizeof(struct menf21bmc_hwmon),  in menf21bmc_hwmon_probe()
198 		return -ENOMEM;  in menf21bmc_hwmon_probe()
200 	drv_data->i2c_client = i2c_client;  in menf21bmc_hwmon_probe()
204 		dev_err(&pdev->dev, "failed to read sensor limits");  in menf21bmc_hwmon_probe()
208 	hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,  in menf21bmc_hwmon_probe()
214 	dev_info(&pdev->dev, "MEN 14F021P00 BMC hwmon device enabled");  in menf21bmc_hwmon_probe()
222 		.name		= DRV_NAME,