1 // SPDX-License-Identifier: GPL-2.0
3  *  power_supply_hwmon.c - power supply hwmon support.
34 		return -EINVAL;  in power_supply_hwmon_in_to_property()
48 		return -EINVAL;  in power_supply_hwmon_curr_to_property()
60 		return -EINVAL;  in power_supply_hwmon_power_to_property()
94 	return -EINVAL;  in power_supply_hwmon_temp_to_property()
111 		return -EINVAL;  in power_supply_hwmon_to_property()
143 	for (i = 0; i < attr_list->n_attrs; ++i) {  in power_supply_hwmon_has_input()
144 		int prop = power_supply_hwmon_to_property(type,  in power_supply_hwmon_has_input()  local
145 			attr_list->attrs[i], channel);  in power_supply_hwmon_has_input()
147 		if (prop >= 0 && test_bit(prop, psyhw->props))  in power_supply_hwmon_has_input()
178 	int prop;  in power_supply_hwmon_is_visible()  local
187 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_is_visible()
188 	if (prop < 0 || !test_bit(prop, psyhw->props))  in power_supply_hwmon_is_visible()
191 	if (power_supply_property_is_writeable(psyhw->psy, prop) > 0 &&  in power_supply_hwmon_is_visible()
225 	struct power_supply *psy = psyhw->psy;  in power_supply_hwmon_read()
227 	int ret, prop;  in power_supply_hwmon_read()  local
229 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_read()
230 	if (prop < 0)  in power_supply_hwmon_read()
231 		return prop;  in power_supply_hwmon_read()
233 	ret  = power_supply_get_property(psy, prop, &pspval);  in power_supply_hwmon_read()
253 	 * Temp needs to be converted from 1/10 C to milli-C  in power_supply_hwmon_read()
258 			return -EOVERFLOW;  in power_supply_hwmon_read()
261 		return -EINVAL;  in power_supply_hwmon_read()
274 	struct power_supply *psy = psyhw->psy;  in power_supply_hwmon_write()
276 	int prop;  in power_supply_hwmon_write()  local
278 	prop = power_supply_hwmon_to_property(type, attr, channel);  in power_supply_hwmon_write()
279 	if (prop < 0)  in power_supply_hwmon_write()
280 		return prop;  in power_supply_hwmon_write()
294 			return -EOVERFLOW;  in power_supply_hwmon_write()
297 	 * Temp needs to be converted from 1/10 C to milli-C  in power_supply_hwmon_write()
303 		return -EINVAL;  in power_supply_hwmon_write()
306 	return power_supply_set_property(psy, prop, &pspval);  in power_supply_hwmon_write()
354 	const struct power_supply_desc *desc = psy->desc;  in power_supply_add_hwmon_sysfs()
356 	struct device *dev = &psy->dev;  in power_supply_add_hwmon_sysfs()
363 		return -ENOMEM;  in power_supply_add_hwmon_sysfs()
367 		ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
371 	psyhw->psy = psy;  in power_supply_add_hwmon_sysfs()
372 	psyhw->props = devm_bitmap_zalloc(dev,  in power_supply_add_hwmon_sysfs()
375 	if (!psyhw->props) {  in power_supply_add_hwmon_sysfs()
376 		ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
380 	for (i = 0; i < desc->num_properties; i++) {  in power_supply_add_hwmon_sysfs()
381 		const enum power_supply_property prop = desc->properties[i];  in power_supply_add_hwmon_sysfs()  local
383 		switch (prop) {  in power_supply_add_hwmon_sysfs()
401 			set_bit(prop, psyhw->props);  in power_supply_add_hwmon_sysfs()
408 	name = psy->desc->name;  in power_supply_add_hwmon_sysfs()
409 	if (strchr(name, '-')) {  in power_supply_add_hwmon_sysfs()
414 			ret = -ENOMEM;  in power_supply_add_hwmon_sysfs()
417 		strreplace(new_name, '-', '_');  in power_supply_add_hwmon_sysfs()
437 	devres_release_group(&psy->dev, power_supply_add_hwmon_sysfs);  in power_supply_remove_hwmon_sysfs()