1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Universal power supply monitor class 4 * 5 * Copyright © 2007 Anton Vorontsov <cbou@mail.ru> 6 * Copyright © 2004 Szabolcs Gyurko 7 * Copyright © 2003 Ian Molton <spyro@f2s.com> 8 * 9 * Modified: 2004, Oct Szabolcs Gyurko 10 */ 11 12#ifndef __LINUX_POWER_SUPPLY_H__ 13#define __LINUX_POWER_SUPPLY_H__ 14 15#include <linux/device.h> 16#include <linux/workqueue.h> 17#include <linux/leds.h> 18#include <linux/spinlock.h> 19#include <linux/notifier.h> 20 21/* 22 * All voltages, currents, charges, energies, time and temperatures in uV, 23 * µA, µAh, µWh, seconds and tenths of degree Celsius unless otherwise 24 * stated. It's driver's job to convert its raw values to units in which 25 * this class operates. 26 */ 27 28/* 29 * For systems where the charger determines the maximum battery capacity 30 * the min and max fields should be used to present these values to user 31 * space. Unused/unknown fields will not appear in sysfs. 32 */ 33 34enum { 35 POWER_SUPPLY_STATUS_UNKNOWN = 0, 36 POWER_SUPPLY_STATUS_CHARGING, 37 POWER_SUPPLY_STATUS_DISCHARGING, 38 POWER_SUPPLY_STATUS_NOT_CHARGING, 39 POWER_SUPPLY_STATUS_FULL, 40}; 41 42/* What algorithm is the charger using? */ 43enum { 44 POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0, 45 POWER_SUPPLY_CHARGE_TYPE_NONE, 46 POWER_SUPPLY_CHARGE_TYPE_TRICKLE, /* slow speed */ 47 POWER_SUPPLY_CHARGE_TYPE_FAST, /* fast speed */ 48 POWER_SUPPLY_CHARGE_TYPE_STANDARD, /* normal speed */ 49 POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */ 50 POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */ 51 POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */ 52 53 /* 54 * force to 50 to minimize the chances of userspace binary 55 * incompatibility on newer upstream kernels 56 */ 57 POWER_SUPPLY_CHARGE_TYPE_TAPER = 50, /* charging in CV phase */ 58}; 59 60enum { 61 POWER_SUPPLY_HEALTH_UNKNOWN = 0, 62 POWER_SUPPLY_HEALTH_GOOD, 63 POWER_SUPPLY_HEALTH_OVERHEAT, 64 POWER_SUPPLY_HEALTH_DEAD, 65 POWER_SUPPLY_HEALTH_OVERVOLTAGE, 66 POWER_SUPPLY_HEALTH_UNSPEC_FAILURE, 67 POWER_SUPPLY_HEALTH_COLD, 68 POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE, 69 POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE, 70 POWER_SUPPLY_HEALTH_OVERCURRENT, 71 POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED, 72 POWER_SUPPLY_HEALTH_WARM, 73 POWER_SUPPLY_HEALTH_COOL, 74 POWER_SUPPLY_HEALTH_HOT, 75}; 76 77enum { 78 POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0, 79 POWER_SUPPLY_TECHNOLOGY_NiMH, 80 POWER_SUPPLY_TECHNOLOGY_LION, 81 POWER_SUPPLY_TECHNOLOGY_LIPO, 82 POWER_SUPPLY_TECHNOLOGY_LiFe, 83 POWER_SUPPLY_TECHNOLOGY_NiCd, 84 POWER_SUPPLY_TECHNOLOGY_LiMn, 85}; 86 87enum { 88 POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0, 89 POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL, 90 POWER_SUPPLY_CAPACITY_LEVEL_LOW, 91 POWER_SUPPLY_CAPACITY_LEVEL_NORMAL, 92 POWER_SUPPLY_CAPACITY_LEVEL_HIGH, 93 POWER_SUPPLY_CAPACITY_LEVEL_FULL, 94}; 95 96enum { 97 POWER_SUPPLY_SCOPE_UNKNOWN = 0, 98 POWER_SUPPLY_SCOPE_SYSTEM, 99 POWER_SUPPLY_SCOPE_DEVICE, 100}; 101 102enum power_supply_property { 103 /* Properties of type `int' */ 104 POWER_SUPPLY_PROP_STATUS = 0, 105 POWER_SUPPLY_PROP_CHARGE_TYPE, 106 POWER_SUPPLY_PROP_HEALTH, 107 POWER_SUPPLY_PROP_PRESENT, 108 POWER_SUPPLY_PROP_ONLINE, 109 POWER_SUPPLY_PROP_AUTHENTIC, 110 POWER_SUPPLY_PROP_TECHNOLOGY, 111 POWER_SUPPLY_PROP_CYCLE_COUNT, 112 POWER_SUPPLY_PROP_VOLTAGE_MAX, 113 POWER_SUPPLY_PROP_VOLTAGE_MIN, 114 POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, 115 POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, 116 POWER_SUPPLY_PROP_VOLTAGE_NOW, 117 POWER_SUPPLY_PROP_VOLTAGE_AVG, 118 POWER_SUPPLY_PROP_VOLTAGE_OCV, 119 POWER_SUPPLY_PROP_VOLTAGE_BOOT, 120 POWER_SUPPLY_PROP_CURRENT_MAX, 121 POWER_SUPPLY_PROP_CURRENT_NOW, 122 POWER_SUPPLY_PROP_CURRENT_AVG, 123 POWER_SUPPLY_PROP_CURRENT_BOOT, 124 POWER_SUPPLY_PROP_POWER_NOW, 125 POWER_SUPPLY_PROP_POWER_AVG, 126 POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, 127 POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN, 128 POWER_SUPPLY_PROP_CHARGE_FULL, 129 POWER_SUPPLY_PROP_CHARGE_EMPTY, 130 POWER_SUPPLY_PROP_CHARGE_NOW, 131 POWER_SUPPLY_PROP_CHARGE_AVG, 132 POWER_SUPPLY_PROP_CHARGE_COUNTER, 133 POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, 134 POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, 135 POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, 136 POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX, 137 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT, 138 POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX, 139 POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */ 140 POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */ 141 POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT, 142 POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT, 143 POWER_SUPPLY_PROP_INPUT_POWER_LIMIT, 144 POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, 145 POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN, 146 POWER_SUPPLY_PROP_ENERGY_FULL, 147 POWER_SUPPLY_PROP_ENERGY_EMPTY, 148 POWER_SUPPLY_PROP_ENERGY_NOW, 149 POWER_SUPPLY_PROP_ENERGY_AVG, 150 POWER_SUPPLY_PROP_CAPACITY, /* in percents! */ 151 POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */ 152 POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */ 153 POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN, /* in percents! */ 154 POWER_SUPPLY_PROP_CAPACITY_LEVEL, 155 POWER_SUPPLY_PROP_TEMP, 156 POWER_SUPPLY_PROP_TEMP_MAX, 157 POWER_SUPPLY_PROP_TEMP_MIN, 158 POWER_SUPPLY_PROP_TEMP_ALERT_MIN, 159 POWER_SUPPLY_PROP_TEMP_ALERT_MAX, 160 POWER_SUPPLY_PROP_TEMP_AMBIENT, 161 POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN, 162 POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX, 163 POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, 164 POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, 165 POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, 166 POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, 167 POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */ 168 POWER_SUPPLY_PROP_USB_TYPE, 169 POWER_SUPPLY_PROP_SCOPE, 170 POWER_SUPPLY_PROP_PRECHARGE_CURRENT, 171 POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT, 172 POWER_SUPPLY_PROP_CALIBRATE, 173 POWER_SUPPLY_PROP_MANUFACTURE_YEAR, 174 POWER_SUPPLY_PROP_MANUFACTURE_MONTH, 175 POWER_SUPPLY_PROP_MANUFACTURE_DAY, 176 /* Properties of type `const char *' */ 177 POWER_SUPPLY_PROP_MODEL_NAME, 178 POWER_SUPPLY_PROP_MANUFACTURER, 179 POWER_SUPPLY_PROP_SERIAL_NUMBER, 180}; 181 182enum power_supply_type { 183 POWER_SUPPLY_TYPE_UNKNOWN = 0, 184 POWER_SUPPLY_TYPE_BATTERY, 185 POWER_SUPPLY_TYPE_UPS, 186 POWER_SUPPLY_TYPE_MAINS, 187 POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */ 188 POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */ 189 POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */ 190 POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */ 191 POWER_SUPPLY_TYPE_USB_TYPE_C, /* Type C Port */ 192 POWER_SUPPLY_TYPE_USB_PD, /* Power Delivery Port */ 193 POWER_SUPPLY_TYPE_USB_PD_DRP, /* PD Dual Role Port */ 194 POWER_SUPPLY_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */ 195 POWER_SUPPLY_TYPE_WIRELESS, /* Wireless */ 196}; 197 198enum power_supply_usb_type { 199 POWER_SUPPLY_USB_TYPE_UNKNOWN = 0, 200 POWER_SUPPLY_USB_TYPE_SDP, /* Standard Downstream Port */ 201 POWER_SUPPLY_USB_TYPE_DCP, /* Dedicated Charging Port */ 202 POWER_SUPPLY_USB_TYPE_CDP, /* Charging Downstream Port */ 203 POWER_SUPPLY_USB_TYPE_ACA, /* Accessory Charger Adapters */ 204 POWER_SUPPLY_USB_TYPE_C, /* Type C Port */ 205 POWER_SUPPLY_USB_TYPE_PD, /* Power Delivery Port */ 206 POWER_SUPPLY_USB_TYPE_PD_DRP, /* PD Dual Role Port */ 207 POWER_SUPPLY_USB_TYPE_PD_PPS, /* PD Programmable Power Supply */ 208 POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID, /* Apple Charging Method */ 209}; 210 211enum power_supply_notifier_events { 212 PSY_EVENT_PROP_CHANGED, 213}; 214 215union power_supply_propval { 216 int intval; 217 const char *strval; 218}; 219 220struct device_node; 221struct power_supply; 222 223/* Run-time specific power supply configuration */ 224struct power_supply_config { 225 struct device_node *of_node; 226 struct fwnode_handle *fwnode; 227 228 /* Driver private data */ 229 void *drv_data; 230 231 /* Device specific sysfs attributes */ 232 const struct attribute_group **attr_grp; 233 234 char **supplied_to; 235 size_t num_supplicants; 236}; 237 238/* Description of power supply */ 239struct power_supply_desc { 240 const char *name; 241 enum power_supply_type type; 242 const enum power_supply_usb_type *usb_types; 243 size_t num_usb_types; 244 const enum power_supply_property *properties; 245 size_t num_properties; 246 247 /* 248 * Functions for drivers implementing power supply class. 249 * These shouldn't be called directly by other drivers for accessing 250 * this power supply. Instead use power_supply_*() functions (for 251 * example power_supply_get_property()). 252 */ 253 int (*get_property)(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val); 254 int (*set_property)(struct power_supply *psy, enum power_supply_property psp, 255 const union power_supply_propval *val); 256 /* 257 * property_is_writeable() will be called during registration 258 * of power supply. If this happens during device probe then it must 259 * not access internal data of device (because probe did not end). 260 */ 261 int (*property_is_writeable)(struct power_supply *psy, enum power_supply_property psp); 262 void (*external_power_changed)(struct power_supply *psy); 263 void (*set_charged)(struct power_supply *psy); 264 265 /* 266 * Set if thermal zone should not be created for this power supply. 267 * For example for virtual supplies forwarding calls to actual 268 * sensors or other supplies. 269 */ 270 bool no_thermal; 271 /* For APM emulation, think legacy userspace. */ 272 int use_for_apm; 273}; 274 275struct power_supply { 276 const struct power_supply_desc *desc; 277 278 char **supplied_to; 279 size_t num_supplicants; 280 281 char **supplied_from; 282 size_t num_supplies; 283 struct device_node *of_node; 284 285 /* Driver private data */ 286 void *drv_data; 287 288 /* private */ 289 struct device dev; 290 struct work_struct changed_work; 291 struct delayed_work deferred_register_work; 292 spinlock_t changed_lock; 293 bool changed; 294 bool initialized; 295 bool removing; 296 atomic_t use_cnt; 297#ifdef CONFIG_THERMAL 298 struct thermal_zone_device *tzd; 299 struct thermal_cooling_device *tcd; 300#endif 301 302#ifdef CONFIG_LEDS_TRIGGERS 303 struct led_trigger *charging_full_trig; 304 char *charging_full_trig_name; 305 struct led_trigger *charging_trig; 306 char *charging_trig_name; 307 struct led_trigger *full_trig; 308 char *full_trig_name; 309 struct led_trigger *online_trig; 310 char *online_trig_name; 311 struct led_trigger *charging_blink_full_solid_trig; 312 char *charging_blink_full_solid_trig_name; 313#endif 314}; 315 316/* 317 * This is recommended structure to specify static power supply parameters. 318 * Generic one, parametrizable for different power supplies. Power supply 319 * class itself does not use it, but that's what implementing most platform 320 * drivers, should try reuse for consistency. 321 */ 322 323struct power_supply_info { 324 const char *name; 325 int technology; 326 int voltage_max_design; 327 int voltage_min_design; 328 int charge_full_design; 329 int charge_empty_design; 330 int energy_full_design; 331 int energy_empty_design; 332 int use_for_apm; 333}; 334 335struct power_supply_battery_ocv_table { 336 int ocv; /* microVolts */ 337 int capacity; /* percent */ 338}; 339 340struct power_supply_resistance_temp_table { 341 int temp; /* celsius */ 342 int resistance; /* internal resistance percent */ 343}; 344 345#define POWER_SUPPLY_OCV_TEMP_MAX 20 346 347/* 348 * This is the recommended struct to manage static battery parameters, 349 * populated by power_supply_get_battery_info(). Most platform drivers should 350 * use these for consistency. 351 * Its field names must correspond to elements in enum power_supply_property. 352 * The default field value is -EINVAL. 353 * Power supply class itself doesn't use this. 354 */ 355 356struct power_supply_battery_info { 357 int energy_full_design_uwh; /* microWatt-hours */ 358 int charge_full_design_uah; /* microAmp-hours */ 359 int voltage_min_design_uv; /* microVolts */ 360 int voltage_max_design_uv; /* microVolts */ 361 int tricklecharge_current_ua; /* microAmps */ 362 int precharge_current_ua; /* microAmps */ 363 int precharge_voltage_max_uv; /* microVolts */ 364 int charge_term_current_ua; /* microAmps */ 365 int charge_restart_voltage_uv; /* microVolts */ 366 int overvoltage_limit_uv; /* microVolts */ 367 int constant_charge_current_max_ua; /* microAmps */ 368 int constant_charge_voltage_max_uv; /* microVolts */ 369 int factory_internal_resistance_uohm; /* microOhms */ 370 int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX]; /* celsius */ 371 int temp_ambient_alert_min; /* celsius */ 372 int temp_ambient_alert_max; /* celsius */ 373 int temp_alert_min; /* celsius */ 374 int temp_alert_max; /* celsius */ 375 int temp_min; /* celsius */ 376 int temp_max; /* celsius */ 377 struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX]; 378 int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX]; 379 struct power_supply_resistance_temp_table *resist_table; 380 int resist_table_size; 381}; 382 383extern struct atomic_notifier_head power_supply_notifier; 384extern int power_supply_reg_notifier(struct notifier_block *nb); 385extern void power_supply_unreg_notifier(struct notifier_block *nb); 386extern struct power_supply *power_supply_get_by_name(const char *name); 387extern void power_supply_put(struct power_supply *psy); 388#ifdef CONFIG_OF 389extern struct power_supply *power_supply_get_by_phandle(struct device_node *np, const char *property); 390extern int power_supply_get_by_phandle_array(struct device_node *np, const char *property, struct power_supply **psy, 391 ssize_t size); 392extern struct power_supply *devm_power_supply_get_by_phandle(struct device *dev, const char *property); 393#else /* !CONFIG_OF */ 394static inline struct power_supply *power_supply_get_by_phandle(struct device_node *np, const char *property) 395{ 396 return NULL; 397} 398static inline int power_supply_get_by_phandle_array(struct device_node *np, const char *property, 399 struct power_supply **psy, int size) 400{ 401 return 0; 402} 403static inline struct power_supply *devm_power_supply_get_by_phandle(struct device *dev, const char *property) 404{ 405 return NULL; 406} 407#endif /* CONFIG_OF */ 408 409extern int power_supply_get_battery_info(struct power_supply *psy, struct power_supply_battery_info *info); 410extern void power_supply_put_battery_info(struct power_supply *psy, struct power_supply_battery_info *info); 411extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table, int table_len, int ocv); 412extern struct power_supply_battery_ocv_table *power_supply_find_ocv2cap_table(struct power_supply_battery_info *info, 413 int temp, int *table_len); 414extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info, int ocv, int temp); 415extern int power_supply_temp2resist_simple(struct power_supply_resistance_temp_table *table, int table_len, int temp); 416extern void power_supply_changed(struct power_supply *psy); 417extern int power_supply_am_i_supplied(struct power_supply *psy); 418extern int power_supply_set_input_current_limit_from_supplier(struct power_supply *psy); 419extern int power_supply_set_battery_charged(struct power_supply *psy); 420 421#ifdef CONFIG_POWER_SUPPLY 422extern int power_supply_is_system_supplied(void); 423#else 424static inline int power_supply_is_system_supplied(void) 425{ 426 return -ENOSYS; 427} 428#endif 429 430extern int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, 431 union power_supply_propval *val); 432#if IS_ENABLED(CONFIG_POWER_SUPPLY) 433extern int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, 434 const union power_supply_propval *val); 435#else 436static inline int power_supply_set_property(struct power_supply *psy, enum power_supply_property psp, 437 const union power_supply_propval *val) 438{ 439 return 0; 440} 441#endif 442extern int power_supply_property_is_writeable(struct power_supply *psy, enum power_supply_property psp); 443extern void power_supply_external_power_changed(struct power_supply *psy); 444 445extern struct power_supply *__must_check power_supply_register(struct device *parent, 446 const struct power_supply_desc *desc, 447 const struct power_supply_config *cfg); 448extern struct power_supply *__must_check power_supply_register_no_ws(struct device *parent, 449 const struct power_supply_desc *desc, 450 const struct power_supply_config *cfg); 451extern struct power_supply *__must_check devm_power_supply_register(struct device *parent, 452 const struct power_supply_desc *desc, 453 const struct power_supply_config *cfg); 454extern struct power_supply *__must_check devm_power_supply_register_no_ws(struct device *parent, 455 const struct power_supply_desc *desc, 456 const struct power_supply_config *cfg); 457extern void power_supply_unregister(struct power_supply *psy); 458extern int power_supply_powers(struct power_supply *psy, struct device *dev); 459 460#define to_power_supply(device) container_of(device, struct power_supply, dev) 461 462extern void *power_supply_get_drvdata(struct power_supply *psy); 463/* For APM emulation, think legacy userspace. */ 464extern struct class *power_supply_class; 465 466static inline bool power_supply_is_amp_property(enum power_supply_property psp) 467{ 468 switch (psp) { 469 case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: 470 case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN: 471 case POWER_SUPPLY_PROP_CHARGE_FULL: 472 case POWER_SUPPLY_PROP_CHARGE_EMPTY: 473 case POWER_SUPPLY_PROP_CHARGE_NOW: 474 case POWER_SUPPLY_PROP_CHARGE_AVG: 475 case POWER_SUPPLY_PROP_CHARGE_COUNTER: 476 case POWER_SUPPLY_PROP_PRECHARGE_CURRENT: 477 case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT: 478 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT: 479 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX: 480 case POWER_SUPPLY_PROP_CURRENT_MAX: 481 case POWER_SUPPLY_PROP_CURRENT_NOW: 482 case POWER_SUPPLY_PROP_CURRENT_AVG: 483 case POWER_SUPPLY_PROP_CURRENT_BOOT: 484 return 1; 485 default: 486 break; 487 } 488 489 return 0; 490} 491 492static inline bool power_supply_is_watt_property(enum power_supply_property psp) 493{ 494 switch (psp) { 495 case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: 496 case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN: 497 case POWER_SUPPLY_PROP_ENERGY_FULL: 498 case POWER_SUPPLY_PROP_ENERGY_EMPTY: 499 case POWER_SUPPLY_PROP_ENERGY_NOW: 500 case POWER_SUPPLY_PROP_ENERGY_AVG: 501 case POWER_SUPPLY_PROP_VOLTAGE_MAX: 502 case POWER_SUPPLY_PROP_VOLTAGE_MIN: 503 case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: 504 case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: 505 case POWER_SUPPLY_PROP_VOLTAGE_NOW: 506 case POWER_SUPPLY_PROP_VOLTAGE_AVG: 507 case POWER_SUPPLY_PROP_VOLTAGE_OCV: 508 case POWER_SUPPLY_PROP_VOLTAGE_BOOT: 509 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: 510 case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX: 511 case POWER_SUPPLY_PROP_POWER_NOW: 512 return 1; 513 default: 514 break; 515 } 516 517 return 0; 518} 519 520#ifdef CONFIG_POWER_SUPPLY_HWMON 521int power_supply_add_hwmon_sysfs(struct power_supply *psy); 522void power_supply_remove_hwmon_sysfs(struct power_supply *psy); 523#else 524static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy) 525{ 526 return 0; 527} 528 529static inline void power_supply_remove_hwmon_sysfs(struct power_supply *psy) 530{ 531} 532#endif 533 534#endif /* __LINUX_POWER_SUPPLY_H__ */ 535