ab8500_fg_u..._to_capacity(9)

✨ ab8500_fg_uncomp_volt_to_capacity(9) ✨

okay so bestie, welcome to the Kernel API Manual 💖 this one's a little function from the kernel's power supply corner and she's honestly doing the most important job: telling you how much battery you have left, purely from voltage, no load-compensation drama. let's get into it 🫶

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🌸 NAME 🌸

ab8500_fg_uncomp_volt_to_capacity — the uncompensated-voltage-based capacity girlie 🔋✨

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🎀 SYNOPSIS 🎀

int ab8500_fg_uncomp_volt_to_capacity (struct ab8500_fg *di );

like, that's the whole signature. one argument, one int back. slay 💅

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💜 ARGUMENTS 💜

• di — pointer to the ab8500_fg structure. literally just the fuel gauge's whole personality in one struct, iykyk.

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🦋 DESCRIPTION 🦋

so what does she actually do? she returns battery capacity based on battery voltage — but here's the tea: that voltage is not compensated for the voltage drop due to the load. no cap. 🫖

so like, the load is out here dragging the voltage down and this function is just reading the raw voltage and giving you a capacity anyway. it's the "no thoughts, head empty" version of capacity calculation and honestly? iconic. 🌈

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🔥 SEE ALSO 🔥

all the other ab8500_fg besties (the whole group chat, fr fr) live in the kernel file ./drivers/power/supply/ab8500_fg.c 👑

• struct ab8500_fg_interrupts(9)
• struct ab8500_fg(9)
• ab8500_fg_get(9)
• ab8500_fg_is_low_curr(9)
• ab8500_fg_add_cap_sample(9)
• ab8500_fg_clear_cap_samples(9)
• ab8500_fg_fill_cap_sample(9)
• ab8500_fg_coulomb_counter(9)
• ab8500_fg_inst_curr_start(9)
• ab8500_fg_inst_curr_started(9)
• ab8500_fg_inst_curr_done(9)
• ab8500_fg_inst_curr_finalize(9)
• ab8500_fg_inst_curr_blocking(9)
• ab8500_fg_acc_cur_work(9)
• ab8500_fg_bat_voltage(9)
• ab8500_fg_volt_to_capacity(9)
• ab8500_fg_battery_resistance(9)
• ab8500_load_comp_fg_bat_voltage(9)
• ab8500_fg_load_comp_volt_to_capacity(9)
• ab8500_fg_convert_mah_to_permille(9)
• ab8500_fg_convert_permille_to_mah(9)
• ab8500_fg_convert_mah_to_uwh(9)
• ab8500_fg_calc_cap_charging(9)
• ab8500_fg_calc_cap_discharge_voltage(9)
• ab8500_fg_calc_cap_discharge_fg(9)
• ab8500_fg_capacity_level(9)
• ab8500_fg_calculate_scaled_capacity(9)
• ab8500_fg_update_cap_scalers(9)
• ab8500_fg_check_capacity_limits(9)
• ab8500_fg_algorithm_charging(9)
• ab8500_fg_algorithm_discharging(9)
• ab8500_fg_algorithm_calibrate(9)
• ab8500_fg_algorithm(9)
• ab8500_fg_periodic_work(9)
• ab8500_fg_check_hw_failure_work(9)
• ab8500_fg_low_bat_work(9)
• ab8500_fg_battok_calc(9)
• ab8500_fg_battok_init_hw_register(9)
• ab8500_fg_instant_work(9)
• ab8500_fg_cc_data_end_handler(9)
• ab8500_fg_cc_int_calib_handler(9)
• ab8500_fg_cc_convend_handler(9)
• ab8500_fg_batt_ovv_handler(9)
• ab8500_fg_lowbatf_handler(9)
• ab8500_fg_get_property(9)
• ab8500_fg_init_hw_registers(9)
• ab8500_fg_external_power_changed(9)
• ab8500_fg_reinit_work(9)
• ab8500_fg_sysfs_exit(9)
• ab8500_fg_sysfs_init(9)

that's the whole roster, no skips, we don't do that here 💖

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👑 the cute sign-off 👑

this little beauty comes from ./drivers/power/supply, dated October 2026 — so yeah, she's from the future bestie, we don't question it 🧚‍♀️✨ go read your battery voltage, stay uncompensated, and remember: the load is lying to you 💀💅