hwmon.c (8be98d2f2a0a262f8bf8a0bc1fdf522b3c7aab17) hwmon.c (ada61aa0b1184a8fda1a89a340c7d6cc4e59aee5)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
4 *
5 * This file defines the sysfs class "hwmon", for use by sensors drivers.
6 *
7 * Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
8 */

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148 if (ret < 0)
149 return ret;
150
151 *temp = t;
152
153 return 0;
154}
155
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * hwmon.c - part of lm_sensors, Linux kernel modules for hardware monitoring
4 *
5 * This file defines the sysfs class "hwmon", for use by sensors drivers.
6 *
7 * Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
8 */

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148 if (ret < 0)
149 return ret;
150
151 *temp = t;
152
153 return 0;
154}
155
156static int hwmon_thermal_set_trips(void *data, int low, int high)
157{
158 struct hwmon_thermal_data *tdata = data;
159 struct hwmon_device *hwdev = to_hwmon_device(tdata->dev);
160 const struct hwmon_chip_info *chip = hwdev->chip;
161 const struct hwmon_channel_info **info = chip->info;
162 unsigned int i;
163 int err;
164
165 if (!chip->ops->write)
166 return 0;
167
168 for (i = 0; info[i] && info[i]->type != hwmon_temp; i++)
169 continue;
170
171 if (!info[i])
172 return 0;
173
174 if (info[i]->config[tdata->index] & HWMON_T_MIN) {
175 err = chip->ops->write(tdata->dev, hwmon_temp,
176 hwmon_temp_min, tdata->index, low);
177 if (err && err != -EOPNOTSUPP)
178 return err;
179 }
180
181 if (info[i]->config[tdata->index] & HWMON_T_MAX) {
182 err = chip->ops->write(tdata->dev, hwmon_temp,
183 hwmon_temp_max, tdata->index, high);
184 if (err && err != -EOPNOTSUPP)
185 return err;
186 }
187
188 return 0;
189}
190
156static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
157 .get_temp = hwmon_thermal_get_temp,
191static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
192 .get_temp = hwmon_thermal_get_temp,
193 .set_trips = hwmon_thermal_set_trips,
158};
159
160static void hwmon_thermal_remove_sensor(void *data)
161{
162 list_del(data);
163}
164
165static int hwmon_thermal_add_sensor(struct device *dev, int index)

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755 hwdev->name = name;
756 hdev->class = &hwmon_class;
757 hdev->parent = dev;
758 hdev->of_node = dev ? dev->of_node : NULL;
759 hwdev->chip = chip;
760 dev_set_drvdata(hdev, drvdata);
761 dev_set_name(hdev, HWMON_ID_FORMAT, id);
762 err = device_register(hdev);
194};
195
196static void hwmon_thermal_remove_sensor(void *data)
197{
198 list_del(data);
199}
200
201static int hwmon_thermal_add_sensor(struct device *dev, int index)

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791 hwdev->name = name;
792 hdev->class = &hwmon_class;
793 hdev->parent = dev;
794 hdev->of_node = dev ? dev->of_node : NULL;
795 hwdev->chip = chip;
796 dev_set_drvdata(hdev, drvdata);
797 dev_set_name(hdev, HWMON_ID_FORMAT, id);
798 err = device_register(hdev);
763 if (err)
764 goto free_hwmon;
799 if (err) {
800 put_device(hdev);
801 goto ida_remove;
802 }
765
766 INIT_LIST_HEAD(&hwdev->tzdata);
767
768 if (dev && dev->of_node && chip && chip->ops->read &&
769 chip->info[0]->type == hwmon_chip &&
770 (chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) {
771 err = hwmon_thermal_register_sensors(hdev);
772 if (err) {

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804 INIT_LIST_HEAD(&hwdev->tzdata);
805
806 if (dev && dev->of_node && chip && chip->ops->read &&
807 chip->info[0]->type == hwmon_chip &&
808 (chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) {
809 err = hwmon_thermal_register_sensors(hdev);
810 if (err) {

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