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/Linux-v5.15/drivers/acpi/
Dbattery.c134 static inline int acpi_battery_present(struct acpi_battery *battery) in acpi_battery_present() argument
136 return battery->device->status.battery_present; in acpi_battery_present()
139 static int acpi_battery_technology(struct acpi_battery *battery) in acpi_battery_technology() argument
141 if (!strcasecmp("NiCd", battery->type)) in acpi_battery_technology()
143 if (!strcasecmp("NiMH", battery->type)) in acpi_battery_technology()
145 if (!strcasecmp("LION", battery->type)) in acpi_battery_technology()
147 if (!strncasecmp("LI-ION", battery->type, 6)) in acpi_battery_technology()
149 if (!strcasecmp("LiP", battery->type)) in acpi_battery_technology()
154 static int acpi_battery_get_state(struct acpi_battery *battery);
156 static int acpi_battery_is_charged(struct acpi_battery *battery) in acpi_battery_is_charged() argument
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Dsbs.c90 struct acpi_battery battery[MAX_SBS_BAT]; member
100 static int acpi_battery_get_state(struct acpi_battery *battery);
110 static inline int acpi_battery_vscale(struct acpi_battery *battery) in acpi_battery_vscale() argument
112 return battery_scale((battery->spec & 0x0f00) >> 8); in acpi_battery_vscale()
115 static inline int acpi_battery_ipscale(struct acpi_battery *battery) in acpi_battery_ipscale() argument
117 return battery_scale((battery->spec & 0xf000) >> 12); in acpi_battery_ipscale()
120 static inline int acpi_battery_mode(struct acpi_battery *battery) in acpi_battery_mode() argument
122 return (battery->mode & 0x8000); in acpi_battery_mode()
125 static inline int acpi_battery_scale(struct acpi_battery *battery) in acpi_battery_scale() argument
127 return (acpi_battery_mode(battery) ? 10 : 1) * in acpi_battery_scale()
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/Linux-v5.15/drivers/power/supply/
Drt5033_battery.c17 struct rt5033_battery *battery = i2c_get_clientdata(client); in rt5033_battery_get_capacity() local
20 regmap_read(battery->regmap, RT5033_FUEL_REG_SOC_H, &msb); in rt5033_battery_get_capacity()
27 struct rt5033_battery *battery = i2c_get_clientdata(client); in rt5033_battery_get_present() local
30 regmap_read(battery->regmap, RT5033_FUEL_REG_CONFIG_L, &val); in rt5033_battery_get_present()
38 struct rt5033_battery *battery = i2c_get_clientdata(client); in rt5033_battery_get_watt_prop() local
60 regmap_read(battery->regmap, regh, &msb); in rt5033_battery_get_watt_prop()
61 regmap_read(battery->regmap, regl, &lsb); in rt5033_battery_get_watt_prop()
72 struct rt5033_battery *battery = power_supply_get_drvdata(psy); in rt5033_battery_get_property() local
78 val->intval = rt5033_battery_get_watt_prop(battery->client, in rt5033_battery_get_property()
82 val->intval = rt5033_battery_get_present(battery->client); in rt5033_battery_get_property()
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DKconfig45 battery class devices.
48 tristate "Generic battery support using IIO"
51 Say Y here to enable support for the generic battery driver
55 tristate "MAX8925 battery charger support"
58 Say Y here to enable support for the battery charger in the Maxim
62 tristate "WM831X backup battery charger support"
65 Say Y here to enable support for the backup battery charger
88 tristate "Marvell 88PM860x battery driver"
91 Say Y here to enable battery monitor for Marvell 88PM860x chip.
94 tristate "ADP5061 battery charger driver"
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Dds2782_battery.c56 struct power_supply *battery; member
285 power_supply_changed(info->battery); in ds278x_bat_update()
306 static void ds278x_power_supply_init(struct power_supply_desc *battery) in ds278x_power_supply_init() argument
308 battery->type = POWER_SUPPLY_TYPE_BATTERY; in ds278x_power_supply_init()
309 battery->properties = ds278x_battery_props; in ds278x_power_supply_init()
310 battery->num_properties = ARRAY_SIZE(ds278x_battery_props); in ds278x_power_supply_init()
311 battery->get_property = ds278x_battery_get_property; in ds278x_power_supply_init()
312 battery->external_power_changed = NULL; in ds278x_power_supply_init()
320 power_supply_unregister(info->battery); in ds278x_battery_remove()
427 info->battery = power_supply_register(&client->dev, in ds278x_battery_probe()
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Dda9150-charger.c30 struct power_supply *battery; member
368 power_supply_changed(charger->battery); in da9150_charger_chg_irq()
391 power_supply_changed(charger->battery); in da9150_charger_vfault_irq()
407 charger->supply_online = charger->battery; in da9150_charger_vbus_irq()
420 power_supply_changed(charger->battery); in da9150_charger_vbus_irq()
439 power_supply_changed(charger->battery); in da9150_charger_otg_work()
562 charger->battery = power_supply_register(dev, &battery_desc, NULL); in da9150_charger_probe()
563 if (IS_ERR(charger->battery)) { in da9150_charger_probe()
564 ret = PTR_ERR(charger->battery); in da9150_charger_probe()
574 charger->supply_online = charger->battery; in da9150_charger_probe()
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Dgoldfish_battery.c26 struct power_supply *battery; member
174 power_supply_changed(data->battery); in goldfish_battery_interrupt()
241 data->battery = power_supply_register(&pdev->dev, &battery_desc, in goldfish_battery_probe()
243 if (IS_ERR(data->battery)) { in goldfish_battery_probe()
245 return PTR_ERR(data->battery); in goldfish_battery_probe()
258 power_supply_unregister(data->battery); in goldfish_battery_remove()
Dingenic-battery.c20 struct power_supply *battery; member
149 bat->battery = devm_power_supply_register(dev, desc, &psy_cfg); in ingenic_battery_probe()
150 if (IS_ERR(bat->battery)) in ingenic_battery_probe()
151 return dev_err_probe(dev, PTR_ERR(bat->battery), in ingenic_battery_probe()
154 ret = power_supply_get_battery_info(bat->battery, &bat->info); in ingenic_battery_probe()
DMakefile10 obj-$(CONFIG_GENERIC_ADC_BATTERY) += generic-adc-battery.o
26 obj-$(CONFIG_BATTERY_CPCAP) += cpcap-battery.o
32 obj-$(CONFIG_BATTERY_GAUGE_LTC2941) += ltc2941-battery-gauge.o
39 obj-$(CONFIG_BATTERY_INGENIC) += ingenic-battery.o
42 obj-$(CONFIG_BATTERY_SBS) += sbs-battery.o
49 obj-$(CONFIG_BATTERY_DA9052) += da9052-battery.o
/Linux-v5.15/Documentation/devicetree/bindings/rtc/
Drtc-palmas.txt10 - ti,backup-battery-chargeable: The Palmas series device like TPS65913 or
11 TPS80036 supports the backup battery for powering the RTC when main
12 battery is removed or in very low power state. The backup battery
14 battery is chargeable or not. If charging battery then driver can
16 - ti,backup-battery-charge-high-current: Enable high current charging in
17 backup battery. Device supports the < 100uA and > 100uA charging.
19 charge battery to lower current i.e. < 100uA.
28 ti,backup-battery-chargeable;
29 ti,backup-battery-charge-high-current;
/Linux-v5.15/Documentation/devicetree/bindings/power/supply/
Dstericsson,ab8500-battery.txt2 information about the battery connected to the PMIC.
8 A boolean value indicating thermistor interface to battery
11 'btemp' and 'batctrl' are the pins interfaced for battery temperature
13 coefficient) resister is interfaced external to battery whereas
14 'batctrl' pin is used when NTC resister is internal to battery.
20 indicates: NTC resister is internal to battery, 'batctrl' is used
24 NTC resister is external to battery and 'btemp' signal is used
27 battery-type:
28 This shall be the battery manufacturing technology type,
33 stericsson,battery-type = "LIPO";
/Linux-v5.15/Documentation/hwmon/
Dda9052.rst27 Channel 1 ICH - internal battery charger current measurement
28 Channel 2 TBAT - output from the battery NTC
29 Channel 3 VBAT - measurement of the battery voltage
36 Channel 9 VBBAT - measurement of the backup battery voltage
39 By using sysfs attributes we can measure the system voltage VDDOUT, the battery
40 charging current ICH, battery temperature TBAT, battery junction temperature
41 TJUNC, battery voltage VBAT and the back up battery voltage VBBAT.
48 The battery voltage is calculated as:
52 The backup battery voltage is calculated as:
63 Temperatures are sampled by a 10 bit ADC. Junction and battery temperatures
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/Linux-v5.15/Documentation/power/
Dcharger-manager.rst7 Charger Manager provides in-kernel battery charger management that
9 and where each battery may have multiple chargers attached and the userland
14 represents an independent battery with chargers. If there are multiple
27 different information about the battery status. This framework
32 While the battery is being charged and the system is in suspend-to-RAM,
33 we may need to monitor the battery health by looking at the ambient or
34 battery temperature. We can accomplish this by waking up the system
36 monitoring the battery health and tasks, and user processes that are
41 only affects the charging time, but the lifespan of the battery.
50 * Support for premature full-battery event handling
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Dpower_supply_class.rst7 Power supply class used to represent battery, UPS, AC or DC power supply
25 typically expected feedback of battery charging/fully charged status and
64 | of battery, this class distinguish these terms. Don't mix them!** |
85 `BATTERY_STATUS_*` values, as defined in battery.h.
94 indicates the power supply (battery or charger) connected
98 represents health of the battery, values corresponds to
99 POWER_SUPPLY_HEALTH_*, defined in battery.h.
102 open circuit voltage of the battery.
106 Maximal/minimal means values of voltages when battery considered
108 between voltage and battery capacity, but some dumb
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/Linux-v5.15/drivers/hid/
Dhid-logitech-hidpp.c203 struct hidpp_battery battery; member
660 hidpp->battery.level = in hidpp10_query_battery_status()
663 hidpp->battery.status = status; in hidpp10_query_battery_status()
665 hidpp->battery.online = status == POWER_SUPPLY_STATUS_DISCHARGING || in hidpp10_query_battery_status()
712 hidpp->battery.capacity = response.rap.params[0]; in hidpp10_query_battery_mileage()
714 hidpp->battery.status = status; in hidpp10_query_battery_mileage()
716 hidpp->battery.online = status == POWER_SUPPLY_STATUS_DISCHARGING || in hidpp10_query_battery_mileage()
733 capacity = hidpp->battery.capacity; in hidpp10_battery_event()
739 level = hidpp->battery.level; in hidpp10_battery_event()
746 changed = capacity != hidpp->battery.capacity || in hidpp10_battery_event()
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Dhid-steam.c124 struct power_supply __rcu *battery; member
348 struct power_supply *battery; in steam_battery_register() local
369 battery = power_supply_register(&steam->hdev->dev, in steam_battery_register()
371 if (IS_ERR(battery)) { in steam_battery_register()
372 ret = PTR_ERR(battery); in steam_battery_register()
378 rcu_assign_pointer(steam->battery, battery); in steam_battery_register()
379 power_supply_powers(battery, &steam->hdev->dev); in steam_battery_register()
486 struct power_supply *battery; in steam_battery_unregister() local
489 battery = rcu_dereference(steam->battery); in steam_battery_unregister()
492 if (!battery) in steam_battery_unregister()
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/Linux-v5.15/arch/sh/boards/mach-hp6xx/
Dhp6xx_apm.c32 int battery, backup, charging, percentage; in hp6x0_apm_get_power_status() local
35 battery = adc_single(ADC_CHANNEL_BATTERY); in hp6x0_apm_get_power_status()
39 percentage = 100 * (battery - HP680_BATTERY_MIN) / in hp6x0_apm_get_power_status()
49 info->time = (2 * battery); in hp6x0_apm_get_power_status()
51 info->ac_line_status = (battery > HP680_BATTERY_AC_ON) ? in hp6x0_apm_get_power_status()
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-class-power47 Reports an average IBAT current reading for the battery, over
70 Reports the maximum IBAT current allowed into the battery.
87 battery. This value is not averaged/smoothed.
110 Reports the current TBAT battery temperature reading.
177 Reports the maximum allowed TBAT battery temperature for
194 Reports the minimum allowed TBAT battery temperature for
212 battery, during charging.
229 battery, during discharging.
246 battery. This value is not averaged/smoothed.
267 Fine grain representation of battery capacity.
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Dsysfs-class-power-ltc4162l23 means that the battery is discharging.
53 To save battery current, the measurement system is disabled if
54 the battery is the only source of power. This affects all
57 seconds, even when running on battery (as reported by the online
59 when the system runs on battery).
69 The charger will normally drain the battery while inactive,
Dsysfs-driver-samsung-laptop27 Description: Max battery charge level can be modified, battery cycle
28 life can be extended by reducing the max battery charge
31 - 0 means normal battery mode (100% charge)
32 - 1 means battery life extender mode (80% charge)
Dsysfs-class-power-wilco8 Fully charges battery at a standard rate.
11 typical battery usage pattern.
15 Extends battery lifespan, intended for users who
23 Customized charge rate for last longer battery life.
Dsysfs-platform-dptf21 (RO) Maximum platform power that can be supported by the battery
45 (RO) The maximum sustained power for battery in milliwatts.
66 (RO) The maximum platform power that can be supported by the battery in milli watts.
73 (RO) The maximum sustained power for battery in milli watts.
80 (RO) The high frequency impedance value that can be obtained from battery
88 (RO) The no-load voltage that can be obtained from battery fuel gauge in
96 (RO) The battery discharge current capability obtained from battery fuel gauge in
/Linux-v5.15/drivers/usb/misc/
Dapple-mfi-fastcharge.c46 struct power_supply *battery; member
193 mfi->battery = power_supply_register(&udev->dev, in mfi_fc_probe()
196 if (IS_ERR(mfi->battery)) { in mfi_fc_probe()
198 err = PTR_ERR(mfi->battery); in mfi_fc_probe()
214 if (mfi->battery) in mfi_fc_disconnect()
215 power_supply_unregister(mfi->battery); in mfi_fc_disconnect()
/Linux-v5.15/Documentation/devicetree/bindings/goldfish/
Dbattery.txt3 Android goldfish battery device generated by android emulator.
7 - compatible : should contain "google,goldfish-battery" to match emulator
14 compatible = "google,goldfish-battery";
/Linux-v5.15/Documentation/devicetree/bindings/mfd/
Dab8500.txt27 : LOW_BAT_F : : LOW threshold battery voltage
32 …: BTEMP_LOW : : Btemp < BtempLow, if battery temperature is lower than -10…
33 …: BTEMP_LOW_MEDIUM : : BtempLow < Btemp < BtempMedium,if battery temperature is b…
34 …: BTEMP_MEDIUM_HIGH : : BtempMedium < Btemp < BtempHigh,if battery temperature is betwee…
35 …: BTEMP_HIGH : : Btemp > BtempHigh, if battery temperature is higher than M…
81 ab8500-fg : io-channel "main_bat_v" for measuring main battery voltage,
83 battery voltage.
196 stericsson,battery-type = "LIPO";
202 battery = <&ab8500_battery>;
209 battery = <&ab8500_battery>;
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