Lines Matching full:battery
3 * battery.c - ACPI Battery Driver (Revision: 2.0)
30 #include <acpi/battery.h>
38 #define ACPI_BATTERY_DEVICE_NAME "Battery"
40 /* Battery power unit: 0 means mW, 1 means mA */
49 ACPI_MODULE_NAME("battery");
53 MODULE_DESCRIPTION("ACPI Battery Driver");
78 /* Lists of PMIC ACPI HIDs with an (often better) native battery driver */
89 is running on battery or not. When mAh is the unit, most
144 static inline int acpi_battery_present(struct acpi_battery *battery) in acpi_battery_present() argument
146 return battery->device->status.battery_present; in acpi_battery_present()
149 static int acpi_battery_technology(struct acpi_battery *battery) in acpi_battery_technology() argument
151 if (!strcasecmp("NiCd", battery->type)) in acpi_battery_technology()
153 if (!strcasecmp("NiMH", battery->type)) in acpi_battery_technology()
155 if (!strcasecmp("LION", battery->type)) in acpi_battery_technology()
157 if (!strncasecmp("LI-ION", battery->type, 6)) in acpi_battery_technology()
159 if (!strcasecmp("LiP", battery->type)) in acpi_battery_technology()
164 static int acpi_battery_get_state(struct acpi_battery *battery);
166 static int acpi_battery_is_charged(struct acpi_battery *battery) in acpi_battery_is_charged() argument
169 if (battery->state != 0) in acpi_battery_is_charged()
172 /* battery not reporting charge */ in acpi_battery_is_charged()
173 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_is_charged()
174 battery->capacity_now == 0) in acpi_battery_is_charged()
178 if (battery->full_charge_capacity == battery->capacity_now) in acpi_battery_is_charged()
182 if (battery->design_capacity <= battery->capacity_now) in acpi_battery_is_charged()
189 static bool acpi_battery_is_degraded(struct acpi_battery *battery) in acpi_battery_is_degraded() argument
191 return ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in acpi_battery_is_degraded()
192 ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity) && in acpi_battery_is_degraded()
193 battery->full_charge_capacity < battery->design_capacity; in acpi_battery_is_degraded()
196 static int acpi_battery_handle_discharging(struct acpi_battery *battery) in acpi_battery_handle_discharging() argument
199 * Some devices wrongly report discharging if the battery's charge level in acpi_battery_handle_discharging()
204 battery->rate_now == 0) in acpi_battery_handle_discharging()
215 struct acpi_battery *battery = to_acpi_battery(psy); in acpi_battery_get_property() local
217 if (acpi_battery_present(battery)) { in acpi_battery_get_property()
218 /* run battery update only if it is present */ in acpi_battery_get_property()
219 acpi_battery_get_state(battery); in acpi_battery_get_property()
224 if (battery->state & ACPI_BATTERY_STATE_DISCHARGING) in acpi_battery_get_property()
225 val->intval = acpi_battery_handle_discharging(battery); in acpi_battery_get_property()
226 else if (battery->state & ACPI_BATTERY_STATE_CHARGING) in acpi_battery_get_property()
228 else if (acpi_battery_is_charged(battery)) in acpi_battery_get_property()
236 val->intval = acpi_battery_present(battery); in acpi_battery_get_property()
239 val->intval = acpi_battery_technology(battery); in acpi_battery_get_property()
242 val->intval = battery->cycle_count; in acpi_battery_get_property()
245 if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
248 val->intval = battery->design_voltage * 1000; in acpi_battery_get_property()
251 if (battery->voltage_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
254 val->intval = battery->voltage_now * 1000; in acpi_battery_get_property()
258 if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
261 val->intval = battery->rate_now * 1000; in acpi_battery_get_property()
265 if (!ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
268 val->intval = battery->design_capacity * 1000; in acpi_battery_get_property()
272 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
275 val->intval = battery->full_charge_capacity * 1000; in acpi_battery_get_property()
279 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN) in acpi_battery_get_property()
282 val->intval = battery->capacity_now * 1000; in acpi_battery_get_property()
285 if (ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity)) in acpi_battery_get_property()
286 full_capacity = battery->full_charge_capacity; in acpi_battery_get_property()
287 else if (ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in acpi_battery_get_property()
288 full_capacity = battery->design_capacity; in acpi_battery_get_property()
290 if (battery->capacity_now == ACPI_BATTERY_VALUE_UNKNOWN || in acpi_battery_get_property()
294 val->intval = battery->capacity_now * 100/ in acpi_battery_get_property()
298 if (battery->state & ACPI_BATTERY_STATE_CRITICAL) in acpi_battery_get_property()
300 else if (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_get_property()
301 (battery->capacity_now <= battery->alarm)) in acpi_battery_get_property()
303 else if (acpi_battery_is_charged(battery)) in acpi_battery_get_property()
309 val->strval = battery->model_number; in acpi_battery_get_property()
312 val->strval = battery->oem_info; in acpi_battery_get_property()
315 val->strval = battery->serial_number; in acpi_battery_get_property()
388 Battery Management
441 static int extract_package(struct acpi_battery *battery, in extract_package() argument
454 u8 *ptr = (u8 *)battery + offsets[i].offset; in extract_package()
465 int *x = (int *)((u8 *)battery + offsets[i].offset); in extract_package()
473 static int acpi_battery_get_status(struct acpi_battery *battery) in acpi_battery_get_status() argument
475 if (acpi_bus_get_status(battery->device)) { in acpi_battery_get_status()
484 struct acpi_battery *battery, in extract_battery_info() argument
490 result = extract_package(battery, buffer->pointer, in extract_battery_info()
494 result = extract_package(battery, buffer->pointer, in extract_battery_info()
498 result = extract_package(battery, buffer->pointer, in extract_battery_info()
500 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in extract_battery_info()
501 battery->full_charge_capacity = battery->design_capacity; in extract_battery_info()
502 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in extract_battery_info()
503 battery->power_unit && battery->design_voltage) { in extract_battery_info()
504 battery->design_capacity = battery->design_capacity * in extract_battery_info()
505 10000 / battery->design_voltage; in extract_battery_info()
506 battery->full_charge_capacity = battery->full_charge_capacity * in extract_battery_info()
507 10000 / battery->design_voltage; in extract_battery_info()
508 battery->design_capacity_warning = in extract_battery_info()
509 battery->design_capacity_warning * in extract_battery_info()
510 10000 / battery->design_voltage; in extract_battery_info()
517 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in extract_battery_info()
518 battery->capacity_now > battery->full_charge_capacity) in extract_battery_info()
519 battery->capacity_now = battery->full_charge_capacity; in extract_battery_info()
524 static int acpi_battery_get_info(struct acpi_battery *battery) in acpi_battery_get_info() argument
526 const int xinfo = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_get_info()
530 if (!acpi_battery_present(battery)) in acpi_battery_get_info()
538 mutex_lock(&battery->lock); in acpi_battery_get_info()
539 status = acpi_evaluate_object(battery->device->handle, in acpi_battery_get_info()
542 mutex_unlock(&battery->lock); in acpi_battery_get_info()
549 battery, in acpi_battery_get_info()
563 static int acpi_battery_get_state(struct acpi_battery *battery) in acpi_battery_get_state() argument
569 if (!acpi_battery_present(battery)) in acpi_battery_get_state()
572 if (battery->update_time && in acpi_battery_get_state()
573 time_before(jiffies, battery->update_time + in acpi_battery_get_state()
577 mutex_lock(&battery->lock); in acpi_battery_get_state()
578 status = acpi_evaluate_object(battery->device->handle, "_BST", in acpi_battery_get_state()
580 mutex_unlock(&battery->lock); in acpi_battery_get_state()
587 result = extract_package(battery, buffer.pointer, in acpi_battery_get_state()
589 battery->update_time = jiffies; in acpi_battery_get_state()
596 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA && in acpi_battery_get_state()
597 battery->rate_now != ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_get_state()
598 (s16)(battery->rate_now) < 0) { in acpi_battery_get_state()
599 battery->rate_now = abs((s16)battery->rate_now); in acpi_battery_get_state()
600 pr_warn_once(FW_BUG "battery: (dis)charge rate invalid.\n"); in acpi_battery_get_state()
603 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) in acpi_battery_get_state()
604 && battery->capacity_now >= 0 && battery->capacity_now <= 100) in acpi_battery_get_state()
605 battery->capacity_now = (battery->capacity_now * in acpi_battery_get_state()
606 battery->full_charge_capacity) / 100; in acpi_battery_get_state()
607 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags) && in acpi_battery_get_state()
608 battery->power_unit && battery->design_voltage) { in acpi_battery_get_state()
609 battery->capacity_now = battery->capacity_now * in acpi_battery_get_state()
610 10000 / battery->design_voltage; in acpi_battery_get_state()
612 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags) && in acpi_battery_get_state()
613 battery->capacity_now > battery->full_charge_capacity) in acpi_battery_get_state()
614 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_get_state()
619 static int acpi_battery_set_alarm(struct acpi_battery *battery) in acpi_battery_set_alarm() argument
623 if (!acpi_battery_present(battery) || in acpi_battery_set_alarm()
624 !test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags)) in acpi_battery_set_alarm()
627 mutex_lock(&battery->lock); in acpi_battery_set_alarm()
628 status = acpi_execute_simple_method(battery->device->handle, "_BTP", in acpi_battery_set_alarm()
629 battery->alarm); in acpi_battery_set_alarm()
630 mutex_unlock(&battery->lock); in acpi_battery_set_alarm()
635 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Alarm set to %d\n", battery->alarm)); in acpi_battery_set_alarm()
639 static int acpi_battery_init_alarm(struct acpi_battery *battery) in acpi_battery_init_alarm() argument
642 if (!acpi_has_method(battery->device->handle, "_BTP")) { in acpi_battery_init_alarm()
643 clear_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
646 set_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags); in acpi_battery_init_alarm()
647 if (!battery->alarm) in acpi_battery_init_alarm()
648 battery->alarm = battery->design_capacity_warning; in acpi_battery_init_alarm()
649 return acpi_battery_set_alarm(battery); in acpi_battery_init_alarm()
656 struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); in acpi_battery_alarm_show() local
657 return sprintf(buf, "%d\n", battery->alarm * 1000); in acpi_battery_alarm_show()
665 struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); in acpi_battery_alarm_store() local
667 battery->alarm = x/1000; in acpi_battery_alarm_store()
668 if (acpi_battery_present(battery)) in acpi_battery_alarm_store()
669 acpi_battery_set_alarm(battery); in acpi_battery_alarm_store()
680 * The Battery Hooking API
694 struct acpi_battery *battery; in __battery_hook_unregister() local
701 list_for_each_entry(battery, &acpi_battery_list, list) { in __battery_hook_unregister()
702 hook->remove_battery(battery->bat); in __battery_hook_unregister()
718 struct acpi_battery *battery; in battery_hook_register() local
725 * to notify the hook that a battery is available in battery_hook_register()
726 * for each battery, so that the driver may add in battery_hook_register()
729 list_for_each_entry(battery, &acpi_battery_list, list) { in battery_hook_register()
730 if (hook->add_battery(battery->bat)) { in battery_hook_register()
732 * If a add-battery returns non-zero, in battery_hook_register()
749 * This function gets called right after the battery sysfs
753 static void battery_hook_add_battery(struct acpi_battery *battery) in battery_hook_add_battery() argument
758 INIT_LIST_HEAD(&battery->list); in battery_hook_add_battery()
759 list_add(&battery->list, &acpi_battery_list); in battery_hook_add_battery()
761 * Since we added a new battery to the list, we need to in battery_hook_add_battery()
764 * when a battery gets hotplugged or initialized in battery_hook_add_battery()
765 * during the battery module initialization. in battery_hook_add_battery()
768 if (hook_node->add_battery(battery->bat)) { in battery_hook_add_battery()
781 static void battery_hook_remove_battery(struct acpi_battery *battery) in battery_hook_remove_battery() argument
788 * custom attributes from the battery. in battery_hook_remove_battery()
791 hook->remove_battery(battery->bat); in battery_hook_remove_battery()
793 /* Then, just remove the battery from the list */ in battery_hook_remove_battery()
794 list_del(&battery->list); in battery_hook_remove_battery()
813 static int sysfs_add_battery(struct acpi_battery *battery) in sysfs_add_battery() argument
815 struct power_supply_config psy_cfg = { .drv_data = battery, }; in sysfs_add_battery()
818 if (!ACPI_BATTERY_CAPACITY_VALID(battery->full_charge_capacity) && in sysfs_add_battery()
819 !ACPI_BATTERY_CAPACITY_VALID(battery->design_capacity)) in sysfs_add_battery()
822 if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { in sysfs_add_battery()
824 battery->bat_desc.properties = in sysfs_add_battery()
826 battery->bat_desc.num_properties = in sysfs_add_battery()
829 battery->bat_desc.properties = charge_battery_props; in sysfs_add_battery()
830 battery->bat_desc.num_properties = in sysfs_add_battery()
835 battery->bat_desc.properties = in sysfs_add_battery()
837 battery->bat_desc.num_properties = in sysfs_add_battery()
840 battery->bat_desc.properties = energy_battery_props; in sysfs_add_battery()
841 battery->bat_desc.num_properties = in sysfs_add_battery()
846 battery->bat_desc.name = acpi_device_bid(battery->device); in sysfs_add_battery()
847 battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; in sysfs_add_battery()
848 battery->bat_desc.get_property = acpi_battery_get_property; in sysfs_add_battery()
850 battery->bat = power_supply_register_no_ws(&battery->device->dev, in sysfs_add_battery()
851 &battery->bat_desc, &psy_cfg); in sysfs_add_battery()
853 if (IS_ERR(battery->bat)) { in sysfs_add_battery()
854 int result = PTR_ERR(battery->bat); in sysfs_add_battery()
856 battery->bat = NULL; in sysfs_add_battery()
859 battery_hook_add_battery(battery); in sysfs_add_battery()
860 return device_create_file(&battery->bat->dev, &alarm_attr); in sysfs_add_battery()
863 static void sysfs_remove_battery(struct acpi_battery *battery) in sysfs_remove_battery() argument
865 mutex_lock(&battery->sysfs_lock); in sysfs_remove_battery()
866 if (!battery->bat) { in sysfs_remove_battery()
867 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
870 battery_hook_remove_battery(battery); in sysfs_remove_battery()
871 device_remove_file(&battery->bat->dev, &alarm_attr); in sysfs_remove_battery()
872 power_supply_unregister(battery->bat); in sysfs_remove_battery()
873 battery->bat = NULL; in sysfs_remove_battery()
874 mutex_unlock(&battery->sysfs_lock); in sysfs_remove_battery()
879 struct acpi_battery *battery = (struct acpi_battery *)private; in find_battery() local
887 if (battery->design_capacity * battery->design_voltage / 1000 in find_battery()
889 battery->design_capacity * 10 == dmi_capacity) in find_battery()
891 &battery->flags); in find_battery()
897 * report percentage battery remaining capacity directly to OS.
901 * Now we found some battery reports percentage remaining capacity
907 static void acpi_battery_quirks(struct acpi_battery *battery) in acpi_battery_quirks() argument
909 if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags)) in acpi_battery_quirks()
912 if (battery->full_charge_capacity == 100 && in acpi_battery_quirks()
913 battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN && in acpi_battery_quirks()
914 battery->capacity_now >= 0 && battery->capacity_now <= 100) { in acpi_battery_quirks()
915 set_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags); in acpi_battery_quirks()
916 battery->full_charge_capacity = battery->design_capacity; in acpi_battery_quirks()
917 battery->capacity_now = (battery->capacity_now * in acpi_battery_quirks()
918 battery->full_charge_capacity) / 100; in acpi_battery_quirks()
921 if (test_bit(ACPI_BATTERY_QUIRK_THINKPAD_MAH, &battery->flags)) in acpi_battery_quirks()
924 if (battery->power_unit && dmi_name_in_vendors("LENOVO")) { in acpi_battery_quirks()
928 dmi_walk(find_battery, battery); in acpi_battery_quirks()
930 &battery->flags) && in acpi_battery_quirks()
931 battery->design_voltage) { in acpi_battery_quirks()
932 battery->design_capacity = in acpi_battery_quirks()
933 battery->design_capacity * in acpi_battery_quirks()
934 10000 / battery->design_voltage; in acpi_battery_quirks()
935 battery->full_charge_capacity = in acpi_battery_quirks()
936 battery->full_charge_capacity * in acpi_battery_quirks()
937 10000 / battery->design_voltage; in acpi_battery_quirks()
938 battery->design_capacity_warning = in acpi_battery_quirks()
939 battery->design_capacity_warning * in acpi_battery_quirks()
940 10000 / battery->design_voltage; in acpi_battery_quirks()
941 battery->capacity_now = battery->capacity_now * in acpi_battery_quirks()
942 10000 / battery->design_voltage; in acpi_battery_quirks()
947 if (test_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags)) in acpi_battery_quirks()
950 if (acpi_battery_is_degraded(battery) && in acpi_battery_quirks()
951 battery->capacity_now > battery->full_charge_capacity) { in acpi_battery_quirks()
952 set_bit(ACPI_BATTERY_QUIRK_DEGRADED_FULL_CHARGE, &battery->flags); in acpi_battery_quirks()
953 battery->capacity_now = battery->full_charge_capacity; in acpi_battery_quirks()
957 static int acpi_battery_update(struct acpi_battery *battery, bool resume) in acpi_battery_update() argument
959 int result = acpi_battery_get_status(battery); in acpi_battery_update()
964 if (!acpi_battery_present(battery)) { in acpi_battery_update()
965 sysfs_remove_battery(battery); in acpi_battery_update()
966 battery->update_time = 0; in acpi_battery_update()
973 if (!battery->update_time) { in acpi_battery_update()
974 result = acpi_battery_get_info(battery); in acpi_battery_update()
977 acpi_battery_init_alarm(battery); in acpi_battery_update()
980 result = acpi_battery_get_state(battery); in acpi_battery_update()
983 acpi_battery_quirks(battery); in acpi_battery_update()
985 if (!battery->bat) { in acpi_battery_update()
986 result = sysfs_add_battery(battery); in acpi_battery_update()
992 * Wakeup the system if battery is critical low in acpi_battery_update()
995 if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) || in acpi_battery_update()
996 (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && in acpi_battery_update()
997 (battery->capacity_now <= battery->alarm))) in acpi_battery_update()
998 acpi_pm_wakeup_event(&battery->device->dev); in acpi_battery_update()
1003 static void acpi_battery_refresh(struct acpi_battery *battery) in acpi_battery_refresh() argument
1007 if (!battery->bat) in acpi_battery_refresh()
1010 power_unit = battery->power_unit; in acpi_battery_refresh()
1012 acpi_battery_get_info(battery); in acpi_battery_refresh()
1014 if (power_unit == battery->power_unit) in acpi_battery_refresh()
1017 /* The battery has changed its reporting units. */ in acpi_battery_refresh()
1018 sysfs_remove_battery(battery); in acpi_battery_refresh()
1019 sysfs_add_battery(battery); in acpi_battery_refresh()
1028 struct acpi_battery *battery = acpi_driver_data(device); in acpi_battery_notify() local
1031 if (!battery) in acpi_battery_notify()
1033 old = battery->bat; in acpi_battery_notify()
1037 * triggered, battery state is still reported as "Full", and changes to in acpi_battery_notify()
1043 acpi_battery_refresh(battery); in acpi_battery_notify()
1044 acpi_battery_update(battery, false); in acpi_battery_notify()
1047 acpi_battery_present(battery)); in acpi_battery_notify()
1048 acpi_notifier_call_chain(device, event, acpi_battery_present(battery)); in acpi_battery_notify()
1050 if (old && battery->bat) in acpi_battery_notify()
1051 power_supply_changed(battery->bat); in acpi_battery_notify()
1057 struct acpi_battery *battery = container_of(nb, struct acpi_battery, in battery_notify() local
1064 if (!acpi_battery_present(battery)) in battery_notify()
1067 if (battery->bat) { in battery_notify()
1068 acpi_battery_refresh(battery); in battery_notify()
1070 result = acpi_battery_get_info(battery); in battery_notify()
1074 result = sysfs_add_battery(battery); in battery_notify()
1079 acpi_battery_init_alarm(battery); in battery_notify()
1080 acpi_battery_get_state(battery); in battery_notify()
1191 * during boot up and this causes battery driver fails to be
1192 * probed due to failure of getting battery information
1197 static int acpi_battery_update_retry(struct acpi_battery *battery) in acpi_battery_update_retry() argument
1202 ret = acpi_battery_update(battery, false); in acpi_battery_update_retry()
1214 struct acpi_battery *battery = NULL; in acpi_battery_add() local
1222 battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL); in acpi_battery_add()
1223 if (!battery) in acpi_battery_add()
1225 battery->device = device; in acpi_battery_add()
1228 device->driver_data = battery; in acpi_battery_add()
1229 mutex_init(&battery->lock); in acpi_battery_add()
1230 mutex_init(&battery->sysfs_lock); in acpi_battery_add()
1231 if (acpi_has_method(battery->device->handle, "_BIX")) in acpi_battery_add()
1232 set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); in acpi_battery_add()
1234 result = acpi_battery_update_retry(battery); in acpi_battery_add()
1238 pr_info(PREFIX "%s Slot [%s] (battery %s)\n", in acpi_battery_add()
1242 battery->pm_nb.notifier_call = battery_notify; in acpi_battery_add()
1243 register_pm_notifier(&battery->pm_nb); in acpi_battery_add()
1250 sysfs_remove_battery(battery); in acpi_battery_add()
1251 mutex_destroy(&battery->lock); in acpi_battery_add()
1252 mutex_destroy(&battery->sysfs_lock); in acpi_battery_add()
1253 kfree(battery); in acpi_battery_add()
1259 struct acpi_battery *battery = NULL; in acpi_battery_remove() local
1264 battery = acpi_driver_data(device); in acpi_battery_remove()
1265 unregister_pm_notifier(&battery->pm_nb); in acpi_battery_remove()
1266 sysfs_remove_battery(battery); in acpi_battery_remove()
1267 mutex_destroy(&battery->lock); in acpi_battery_remove()
1268 mutex_destroy(&battery->sysfs_lock); in acpi_battery_remove()
1269 kfree(battery); in acpi_battery_remove()
1277 struct acpi_battery *battery; in acpi_battery_resume() local
1282 battery = acpi_driver_data(to_acpi_device(dev)); in acpi_battery_resume()
1283 if (!battery) in acpi_battery_resume()
1286 battery->update_time = 0; in acpi_battery_resume()
1287 acpi_battery_update(battery, true); in acpi_battery_resume()
1297 .name = "battery",