LXR linux/include/linux/power

   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
  54enum {
  55        POWER_SUPPLY_HEALTH_UNKNOWN = 0,
  56        POWER_SUPPLY_HEALTH_GOOD,
  57        POWER_SUPPLY_HEALTH_OVERHEAT,
  58        POWER_SUPPLY_HEALTH_DEAD,
  59        POWER_SUPPLY_HEALTH_OVERVOLTAGE,
  60        POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
  61        POWER_SUPPLY_HEALTH_COLD,
  62        POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
  63        POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
  64        POWER_SUPPLY_HEALTH_OVERCURRENT,
  65        POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED,
  66        POWER_SUPPLY_HEALTH_WARM,
  67        POWER_SUPPLY_HEALTH_COOL,
  68        POWER_SUPPLY_HEALTH_HOT,
  69};
  70
  71enum {
  72        POWER_SUPPLY_TECHNOLOGY_UNKNOWN = 0,
  73        POWER_SUPPLY_TECHNOLOGY_NiMH,
  74        POWER_SUPPLY_TECHNOLOGY_LION,
  75        POWER_SUPPLY_TECHNOLOGY_LIPO,
  76        POWER_SUPPLY_TECHNOLOGY_LiFe,
  77        POWER_SUPPLY_TECHNOLOGY_NiCd,
  78        POWER_SUPPLY_TECHNOLOGY_LiMn,
  79};
  80
  81enum {
  82        POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN = 0,
  83        POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL,
  84        POWER_SUPPLY_CAPACITY_LEVEL_LOW,
  85        POWER_SUPPLY_CAPACITY_LEVEL_NORMAL,
  86        POWER_SUPPLY_CAPACITY_LEVEL_HIGH,
  87        POWER_SUPPLY_CAPACITY_LEVEL_FULL,
  88};
  89
  90enum {
  91        POWER_SUPPLY_SCOPE_UNKNOWN = 0,
  92        POWER_SUPPLY_SCOPE_SYSTEM,
  93        POWER_SUPPLY_SCOPE_DEVICE,
  94};
  95
  96enum power_supply_property {
  97        /* Properties of type `int' */
  98        POWER_SUPPLY_PROP_STATUS = 0,
  99        POWER_SUPPLY_PROP_CHARGE_TYPE,
 100        POWER_SUPPLY_PROP_HEALTH,
 101        POWER_SUPPLY_PROP_PRESENT,
 102        POWER_SUPPLY_PROP_ONLINE,
 103        POWER_SUPPLY_PROP_AUTHENTIC,
 104        POWER_SUPPLY_PROP_TECHNOLOGY,
 105        POWER_SUPPLY_PROP_CYCLE_COUNT,
 106        POWER_SUPPLY_PROP_VOLTAGE_MAX,
 107        POWER_SUPPLY_PROP_VOLTAGE_MIN,
 108        POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
 109        POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 110        POWER_SUPPLY_PROP_VOLTAGE_NOW,
 111        POWER_SUPPLY_PROP_VOLTAGE_AVG,
 112        POWER_SUPPLY_PROP_VOLTAGE_OCV,
 113        POWER_SUPPLY_PROP_VOLTAGE_BOOT,
 114        POWER_SUPPLY_PROP_CURRENT_MAX,
 115        POWER_SUPPLY_PROP_CURRENT_NOW,
 116        POWER_SUPPLY_PROP_CURRENT_AVG,
 117        POWER_SUPPLY_PROP_CURRENT_BOOT,
 118        POWER_SUPPLY_PROP_POWER_NOW,
 119        POWER_SUPPLY_PROP_POWER_AVG,
 120        POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
 121        POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
 122        POWER_SUPPLY_PROP_CHARGE_FULL,
 123        POWER_SUPPLY_PROP_CHARGE_EMPTY,
 124        POWER_SUPPLY_PROP_CHARGE_NOW,
 125        POWER_SUPPLY_PROP_CHARGE_AVG,
 126        POWER_SUPPLY_PROP_CHARGE_COUNTER,
 127        POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
 128        POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
 129        POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
 130        POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
 131        POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT,
 132        POWER_SUPPLY_PROP_CHARGE_CONTROL_LIMIT_MAX,
 133        POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD, /* in percents! */
 134        POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD, /* in percents! */
 135        POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
 136        POWER_SUPPLY_PROP_INPUT_VOLTAGE_LIMIT,
 137        POWER_SUPPLY_PROP_INPUT_POWER_LIMIT,
 138        POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
 139        POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
 140        POWER_SUPPLY_PROP_ENERGY_FULL,
 141        POWER_SUPPLY_PROP_ENERGY_EMPTY,
 142        POWER_SUPPLY_PROP_ENERGY_NOW,
 143        POWER_SUPPLY_PROP_ENERGY_AVG,
 144        POWER_SUPPLY_PROP_CAPACITY, /* in percents! */
 145        POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN, /* in percents! */
 146        POWER_SUPPLY_PROP_CAPACITY_ALERT_MAX, /* in percents! */
 147        POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN, /* in percents! */
 148        POWER_SUPPLY_PROP_CAPACITY_LEVEL,
 149        POWER_SUPPLY_PROP_TEMP,
 150        POWER_SUPPLY_PROP_TEMP_MAX,
 151        POWER_SUPPLY_PROP_TEMP_MIN,
 152        POWER_SUPPLY_PROP_TEMP_ALERT_MIN,
 153        POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
 154        POWER_SUPPLY_PROP_TEMP_AMBIENT,
 155        POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MIN,
 156        POWER_SUPPLY_PROP_TEMP_AMBIENT_ALERT_MAX,
 157        POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
 158        POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
 159        POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
 160        POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
 161        POWER_SUPPLY_PROP_TYPE, /* use power_supply.type instead */
 162        POWER_SUPPLY_PROP_USB_TYPE,
 163        POWER_SUPPLY_PROP_SCOPE,
 164        POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
 165        POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
 166        POWER_SUPPLY_PROP_CALIBRATE,
 167        POWER_SUPPLY_PROP_MANUFACTURE_YEAR,
 168        POWER_SUPPLY_PROP_MANUFACTURE_MONTH,
 169        POWER_SUPPLY_PROP_MANUFACTURE_DAY,
 170        /* Properties of type `const char *' */
 171        POWER_SUPPLY_PROP_MODEL_NAME,
 172        POWER_SUPPLY_PROP_MANUFACTURER,
 173        POWER_SUPPLY_PROP_SERIAL_NUMBER,
 174};
 175
 176enum power_supply_type {
 177        POWER_SUPPLY_TYPE_UNKNOWN = 0,
 178        POWER_SUPPLY_TYPE_BATTERY,
 179        POWER_SUPPLY_TYPE_UPS,
 180        POWER_SUPPLY_TYPE_MAINS,
 181        POWER_SUPPLY_TYPE_USB,                  /* Standard Downstream Port */
 182        POWER_SUPPLY_TYPE_USB_DCP,              /* Dedicated Charging Port */
 183        POWER_SUPPLY_TYPE_USB_CDP,              /* Charging Downstream Port */
 184        POWER_SUPPLY_TYPE_USB_ACA,              /* Accessory Charger Adapters */
 185        POWER_SUPPLY_TYPE_USB_TYPE_C,           /* Type C Port */
 186        POWER_SUPPLY_TYPE_USB_PD,               /* Power Delivery Port */
 187        POWER_SUPPLY_TYPE_USB_PD_DRP,           /* PD Dual Role Port */
 188        POWER_SUPPLY_TYPE_APPLE_BRICK_ID,       /* Apple Charging Method */
 189        POWER_SUPPLY_TYPE_WIRELESS,             /* Wireless */
 190};
 191
 192enum power_supply_usb_type {
 193        POWER_SUPPLY_USB_TYPE_UNKNOWN = 0,
 194        POWER_SUPPLY_USB_TYPE_SDP,              /* Standard Downstream Port */
 195        POWER_SUPPLY_USB_TYPE_DCP,              /* Dedicated Charging Port */
 196        POWER_SUPPLY_USB_TYPE_CDP,              /* Charging Downstream Port */
 197        POWER_SUPPLY_USB_TYPE_ACA,              /* Accessory Charger Adapters */
 198        POWER_SUPPLY_USB_TYPE_C,                /* Type C Port */
 199        POWER_SUPPLY_USB_TYPE_PD,               /* Power Delivery Port */
 200        POWER_SUPPLY_USB_TYPE_PD_DRP,           /* PD Dual Role Port */
 201        POWER_SUPPLY_USB_TYPE_PD_PPS,           /* PD Programmable Power Supply */
 202        POWER_SUPPLY_USB_TYPE_APPLE_BRICK_ID,   /* Apple Charging Method */
 203};
 204
 205enum power_supply_notifier_events {
 206        PSY_EVENT_PROP_CHANGED,
 207};
 208
 209union power_supply_propval {
 210        int intval;
 211        const char *strval;
 212};
 213
 214struct device_node;
 215struct power_supply;
 216
 217/* Run-time specific power supply configuration */
 218struct power_supply_config {
 219        struct device_node *of_node;
 220        struct fwnode_handle *fwnode;
 221
 222        /* Driver private data */
 223        void *drv_data;
 224
 225        /* Device specific sysfs attributes */
 226        const struct attribute_group **attr_grp;
 227
 228        char **supplied_to;
 229        size_t num_supplicants;
 230};
 231
 232/* Description of power supply */
 233struct power_supply_desc {
 234        const char *name;
 235        enum power_supply_type type;
 236        const enum power_supply_usb_type *usb_types;
 237        size_t num_usb_types;
 238        const enum power_supply_property *properties;
 239        size_t num_properties;
 240
 241        /*
 242         * Functions for drivers implementing power supply class.
 243         * These shouldn't be called directly by other drivers for accessing
 244         * this power supply. Instead use power_supply_*() functions (for
 245         * example power_supply_get_property()).
 246         */
 247        int (*get_property)(struct power_supply *psy,
 248                            enum power_supply_property psp,
 249                            union power_supply_propval *val);
 250        int (*set_property)(struct power_supply *psy,
 251                            enum power_supply_property psp,
 252                            const union power_supply_propval *val);
 253        /*
 254         * property_is_writeable() will be called during registration
 255         * of power supply. If this happens during device probe then it must
 256         * not access internal data of device (because probe did not end).
 257         */
 258        int (*property_is_writeable)(struct power_supply *psy,
 259                                     enum power_supply_property psp);
 260        void (*external_power_changed)(struct power_supply *psy);
 261        void (*set_charged)(struct power_supply *psy);
 262
 263        /*
 264         * Set if thermal zone should not be created for this power supply.
 265         * For example for virtual supplies forwarding calls to actual
 266         * sensors or other supplies.
 267         */
 268        bool no_thermal;
 269        /* For APM emulation, think legacy userspace. */
 270        int use_for_apm;
 271};
 272
 273struct power_supply {
 274        const struct power_supply_desc *desc;
 275
 276        char **supplied_to;
 277        size_t num_supplicants;
 278
 279        char **supplied_from;
 280        size_t num_supplies;
 281        struct device_node *of_node;
 282
 283        /* Driver private data */
 284        void *drv_data;
 285
 286        /* private */
 287        struct device dev;
 288        struct work_struct changed_work;
 289        struct delayed_work deferred_register_work;
 290        spinlock_t changed_lock;
 291        bool changed;
 292        bool initialized;
 293        bool removing;
 294        atomic_t use_cnt;
 295#ifdef CONFIG_THERMAL
 296        struct thermal_zone_device *tzd;
 297        struct thermal_cooling_device *tcd;
 298#endif
 299
 300#ifdef CONFIG_LEDS_TRIGGERS
 301        struct led_trigger *charging_full_trig;
 302        char *charging_full_trig_name;
 303        struct led_trigger *charging_trig;
 304        char *charging_trig_name;
 305        struct led_trigger *full_trig;
 306        char *full_trig_name;
 307        struct led_trigger *online_trig;
 308        char *online_trig_name;
 309        struct led_trigger *charging_blink_full_solid_trig;
 310        char *charging_blink_full_solid_trig_name;
 311#endif
 312};
 313
 314/*
 315 * This is recommended structure to specify static power supply parameters.
 316 * Generic one, parametrizable for different power supplies. Power supply
 317 * class itself does not use it, but that's what implementing most platform
 318 * drivers, should try reuse for consistency.
 319 */
 320
 321struct power_supply_info {
 322        const char *name;
 323        int technology;
 324        int voltage_max_design;
 325        int voltage_min_design;
 326        int charge_full_design;
 327        int charge_empty_design;
 328        int energy_full_design;
 329        int energy_empty_design;
 330        int use_for_apm;
 331};
 332
 333struct power_supply_battery_ocv_table {
 334        int ocv;        /* microVolts */
 335        int capacity;   /* percent */
 336};
 337
 338struct power_supply_resistance_temp_table {
 339        int temp;       /* celsius */
 340        int resistance; /* internal resistance percent */
 341};
 342
 343#define POWER_SUPPLY_OCV_TEMP_MAX 20
 344
 345/*
 346 * This is the recommended struct to manage static battery parameters,
 347 * populated by power_supply_get_battery_info(). Most platform drivers should
 348 * use these for consistency.
 349 * Its field names must correspond to elements in enum power_supply_property.
 350 * The default field value is -EINVAL.
 351 * Power supply class itself doesn't use this.
 352 */
 353
 354struct power_supply_battery_info {
 355        unsigned int technology;            /* from the enum above */
 356        int energy_full_design_uwh;         /* microWatt-hours */
 357        int charge_full_design_uah;         /* microAmp-hours */
 358        int voltage_min_design_uv;          /* microVolts */
 359        int voltage_max_design_uv;          /* microVolts */
 360        int tricklecharge_current_ua;       /* microAmps */
 361        int precharge_current_ua;           /* microAmps */
 362        int precharge_voltage_max_uv;       /* microVolts */
 363        int charge_term_current_ua;         /* microAmps */
 364        int charge_restart_voltage_uv;      /* microVolts */
 365        int overvoltage_limit_uv;           /* microVolts */
 366        int constant_charge_current_max_ua; /* microAmps */
 367        int constant_charge_voltage_max_uv; /* microVolts */
 368        int factory_internal_resistance_uohm;   /* microOhms */
 369        int ocv_temp[POWER_SUPPLY_OCV_TEMP_MAX];/* celsius */
 370        int temp_ambient_alert_min;             /* celsius */
 371        int temp_ambient_alert_max;             /* celsius */
 372        int temp_alert_min;                     /* celsius */
 373        int temp_alert_max;                     /* celsius */
 374        int temp_min;                           /* celsius */
 375        int temp_max;                           /* celsius */
 376        struct power_supply_battery_ocv_table *ocv_table[POWER_SUPPLY_OCV_TEMP_MAX];
 377        int ocv_table_size[POWER_SUPPLY_OCV_TEMP_MAX];
 378        struct power_supply_resistance_temp_table *resist_table;
 379        int resist_table_size;
 380};
 381
 382extern struct atomic_notifier_head power_supply_notifier;
 383extern int power_supply_reg_notifier(struct notifier_block *nb);
 384extern void power_supply_unreg_notifier(struct notifier_block *nb);
 385#if IS_ENABLED(CONFIG_POWER_SUPPLY)
 386extern struct power_supply *power_supply_get_by_name(const char *name);
 387extern void power_supply_put(struct power_supply *psy);
 388#else
 389static inline void power_supply_put(struct power_supply *psy) {}
 390static inline struct power_supply *power_supply_get_by_name(const char *name)
 391{ return NULL; }
 392#endif
 393#ifdef CONFIG_OF
 394extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
 395                                                        const char *property);
 396extern struct power_supply *devm_power_supply_get_by_phandle(
 397                                    struct device *dev, const char *property);
 398#else /* !CONFIG_OF */
 399static inline struct power_supply *
 400power_supply_get_by_phandle(struct device_node *np, const char *property)
 401{ return NULL; }
 402static inline struct power_supply *
 403devm_power_supply_get_by_phandle(struct device *dev, const char *property)
 404{ return NULL; }
 405#endif /* CONFIG_OF */
 406
 407extern int power_supply_get_battery_info(struct power_supply *psy,
 408                                         struct power_supply_battery_info *info);
 409extern void power_supply_put_battery_info(struct power_supply *psy,
 410                                          struct power_supply_battery_info *info);
 411extern int power_supply_ocv2cap_simple(struct power_supply_battery_ocv_table *table,
 412                                       int table_len, int ocv);
 413extern struct power_supply_battery_ocv_table *
 414power_supply_find_ocv2cap_table(struct power_supply_battery_info *info,
 415                                int temp, int *table_len);
 416extern int power_supply_batinfo_ocv2cap(struct power_supply_battery_info *info,
 417                                        int ocv, int temp);
 418extern int
 419power_supply_temp2resist_simple(struct power_supply_resistance_temp_table *table,
 420                                int table_len, int temp);
 421extern void power_supply_changed(struct power_supply *psy);
 422extern int power_supply_am_i_supplied(struct power_supply *psy);
 423extern int power_supply_set_input_current_limit_from_supplier(
 424                                         struct power_supply *psy);
 425extern int power_supply_set_battery_charged(struct power_supply *psy);
 426
 427#ifdef CONFIG_POWER_SUPPLY
 428extern int power_supply_is_system_supplied(void);
 429#else
 430static inline int power_supply_is_system_supplied(void) { return -ENOSYS; }
 431#endif
 432
 433extern int power_supply_get_property(struct power_supply *psy,
 434                            enum power_supply_property psp,
 435                            union power_supply_propval *val);
 436#if IS_ENABLED(CONFIG_POWER_SUPPLY)
 437extern int power_supply_set_property(struct power_supply *psy,
 438                            enum power_supply_property psp,
 439                            const union power_supply_propval *val);
 440#else
 441static inline int power_supply_set_property(struct power_supply *psy,
 442                            enum power_supply_property psp,
 443                            const union power_supply_propval *val)
 444{ return 0; }
 445#endif
 446extern int power_supply_property_is_writeable(struct power_supply *psy,
 447                                        enum power_supply_property psp);
 448extern void power_supply_external_power_changed(struct power_supply *psy);
 449
 450extern struct power_supply *__must_check
 451power_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
 455power_supply_register_no_ws(struct device *parent,
 456                                 const struct power_supply_desc *desc,
 457                                 const struct power_supply_config *cfg);
 458extern struct power_supply *__must_check
 459devm_power_supply_register(struct device *parent,
 460                                 const struct power_supply_desc *desc,
 461                                 const struct power_supply_config *cfg);
 462extern struct power_supply *__must_check
 463devm_power_supply_register_no_ws(struct device *parent,
 464                                 const struct power_supply_desc *desc,
 465                                 const struct power_supply_config *cfg);
 466extern void power_supply_unregister(struct power_supply *psy);
 467extern int power_supply_powers(struct power_supply *psy, struct device *dev);
 468
 469#define to_power_supply(device) container_of(device, struct power_supply, dev)
 470
 471extern void *power_supply_get_drvdata(struct power_supply *psy);
 472/* For APM emulation, think legacy userspace. */
 473extern struct class *power_supply_class;
 474
 475static inline bool power_supply_is_amp_property(enum power_supply_property psp)
 476{
 477        switch (psp) {
 478        case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
 479        case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
 480        case POWER_SUPPLY_PROP_CHARGE_FULL:
 481        case POWER_SUPPLY_PROP_CHARGE_EMPTY:
 482        case POWER_SUPPLY_PROP_CHARGE_NOW:
 483        case POWER_SUPPLY_PROP_CHARGE_AVG:
 484        case POWER_SUPPLY_PROP_CHARGE_COUNTER:
 485        case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
 486        case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
 487        case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
 488        case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX:
 489        case POWER_SUPPLY_PROP_CURRENT_MAX:
 490        case POWER_SUPPLY_PROP_CURRENT_NOW:
 491        case POWER_SUPPLY_PROP_CURRENT_AVG:
 492        case POWER_SUPPLY_PROP_CURRENT_BOOT:
 493                return true;
 494        default:
 495                break;
 496        }
 497
 498        return false;
 499}
 500
 501static inline bool power_supply_is_watt_property(enum power_supply_property psp)
 502{
 503        switch (psp) {
 504        case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:
 505        case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
 506        case POWER_SUPPLY_PROP_ENERGY_FULL:
 507        case POWER_SUPPLY_PROP_ENERGY_EMPTY:
 508        case POWER_SUPPLY_PROP_ENERGY_NOW:
 509        case POWER_SUPPLY_PROP_ENERGY_AVG:
 510        case POWER_SUPPLY_PROP_VOLTAGE_MAX:
 511        case POWER_SUPPLY_PROP_VOLTAGE_MIN:
 512        case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
 513        case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
 514        case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 515        case POWER_SUPPLY_PROP_VOLTAGE_AVG:
 516        case POWER_SUPPLY_PROP_VOLTAGE_OCV:
 517        case POWER_SUPPLY_PROP_VOLTAGE_BOOT:
 518        case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE:
 519        case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX:
 520        case POWER_SUPPLY_PROP_POWER_NOW:
 521                return true;
 522        default:
 523                break;
 524        }
 525
 526        return false;
 527}
 528
 529#ifdef CONFIG_POWER_SUPPLY_HWMON
 530int power_supply_add_hwmon_sysfs(struct power_supply *psy);
 531void power_supply_remove_hwmon_sysfs(struct power_supply *psy);
 532#else
 533static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy)
 534{
 535        return 0;
 536}
 537
 538static inline
 539void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
 540#endif
 541
 542#endif /* __LINUX_POWER_SUPPLY_H__ */
 543