1 // SPDX-License-Identifier: GPL-2.0
3  *  power_supply_hwmon.c - power supply hwmon support.
33 		return -EINVAL;  in power_supply_hwmon_in_to_property()
47 		return -EINVAL;  in power_supply_hwmon_curr_to_property()
59 		return -EINVAL;  in power_supply_hwmon_power_to_property()
93 	return -EINVAL;  in power_supply_hwmon_temp_to_property()
110 		return -EINVAL;  in power_supply_hwmon_to_property()
142 	for (i = 0; i < attr_list->n_attrs; ++i) {  in power_supply_hwmon_has_input()
143 		int prop = power_supply_hwmon_to_property(type,  in power_supply_hwmon_has_input()  local
144 			attr_list->attrs[i], channel);  in power_supply_hwmon_has_input()
146 		if (prop >= 0 && test_bit(prop, psyhw->props))  in power_supply_hwmon_has_input()
177 	int prop;  in power_supply_hwmon_is_visible()  local
186 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_is_visible()
187 	if (prop < 0 || !test_bit(prop, psyhw->props))  in power_supply_hwmon_is_visible()
190 	if (power_supply_property_is_writeable(psyhw->psy, prop) > 0 &&  in power_supply_hwmon_is_visible()
224 	struct power_supply *psy = psyhw->psy;  in power_supply_hwmon_read()
226 	int ret, prop;  in power_supply_hwmon_read()  local
228 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_read()
229 	if (prop < 0)  in power_supply_hwmon_read()
230 		return prop;  in power_supply_hwmon_read()
232 	ret  = power_supply_get_property(psy, prop, &pspval);  in power_supply_hwmon_read()
252 	 * Temp needs to be converted from 1/10 C to milli-C  in power_supply_hwmon_read()
257 			return -EOVERFLOW;  in power_supply_hwmon_read()
260 		return -EINVAL;  in power_supply_hwmon_read()
273 	struct power_supply *psy = psyhw->psy;  in power_supply_hwmon_write()
275 	int prop;  in power_supply_hwmon_write()  local
277 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_write()
278 	if (prop < 0)  in power_supply_hwmon_write()
279 		return prop;  in power_supply_hwmon_write()
293 			return -EOVERFLOW;  in power_supply_hwmon_write()
296 	 * Temp needs to be converted from 1/10 C to milli-C  in power_supply_hwmon_write()
302 		return -EINVAL;  in power_supply_hwmon_write()
305 	return power_supply_set_property(psy, prop, &pspval);  in power_supply_hwmon_write()
353 	const struct power_supply_desc *desc = psy->desc;  in power_supply_add_hwmon_sysfs()
355 	struct device *dev = &psy->dev;  in power_supply_add_hwmon_sysfs()
362 		return -ENOMEM;  in power_supply_add_hwmon_sysfs()
366 		ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
370 	psyhw->psy = psy;  in power_supply_add_hwmon_sysfs()
371 	psyhw->props = devm_bitmap_zalloc(dev,  in power_supply_add_hwmon_sysfs()
374 	if (!psyhw->props) {  in power_supply_add_hwmon_sysfs()
375 		ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
379 	for (i = 0; i < desc->num_properties; i++) {  in power_supply_add_hwmon_sysfs()
380 		const enum power_supply_property prop = desc->properties[i];  in power_supply_add_hwmon_sysfs()  local
382 		switch (prop) {  in power_supply_add_hwmon_sysfs()
400 			set_bit(prop, psyhw->props);  in power_supply_add_hwmon_sysfs()
407 	name = psy->desc->name;  in power_supply_add_hwmon_sysfs()
408 	if (strchr(name, '-')) {  in power_supply_add_hwmon_sysfs()
413 			ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
416 		strreplace(new_name, '-', '_');  in power_supply_add_hwmon_sysfs()
436 	devres_release_group(&psy->dev, power_supply_add_hwmon_sysfs);  in power_supply_remove_hwmon_sysfs()