regulator_li...ardware_vsel(9)

💖 NAME 💖

hiii bestie 🫶 welcome to the regulator_li...ardware_vsel(9) page from the Kernel API Manual — manual name folded in near the top like a cute little name tag 🎀. Okay so regulator_list_hardware_vsel is literally about getting the HW-specific register value for a selector ✨.

🌸 SYNOPSIS 🌸

int regulator_list_hardware_vsel (struct regulator *regulator , unsigned
       selector );

🎀 ARGUMENTS 🎀

• regulator — the regulator source, aka the main character you're asking about 👑
• selector — identifies the voltage to list, bestie 🔍

✨ DESCRIPTION ✨

So here's the vibe: it converts the selector into a hardware-specific voltage selector that can be directly written to the regulator registers 💅. And the address of the voltage register? You can determine it by calling regulator_get_hardware_vsel_register — that's the function, no cap 🧚.

💀 RETURN 💀

• 0 — success, slay 🎉
• -EINVAL — if the selector is outside the supported range, oop 🙈
• -EOPNOTSUPP — if the regulator does not support voltage selectors, not every regulator is built for that 💔

🌈 SEE ALSO 🌈

the whole kernel regulator friend group is right here, bestie 🫶

• Kernel file: ./drivers/regulator/core.c
• regulator_lock_nested(9)
• regulator_lock(9)
• regulator_unlock(9)
• regulator_lock_two(9)
• regulator_unlock_two(9)
• regulator_unlock_dependent(9)
• regulator_lock_dependent(9)
• set_machine_constraints(9)
• regulator_event_work_fn(9)
• regulator_event_forward_notifier(9)
• register_regulator_event_forwarding(9)
• set_supply(9)
• set_consumer_device_supply(9)
• regulator_dev_lookup(9)
• _regulator_get_common(9)
• regulator_get(9)
• regulator_get_exclusive(9)
• regulator_get_optional(9)
• regulator_put(9)
• regulator_register_supply_alias(9)
• regulator_unregister_supply_alias(9)
• regulator_bulk_register_supply_alias(9)
• regulator_bulk_unregister_supply_alias(9)
• regulator_ena_gpio_ctrl(9)
• _regulator_check_status_enabled(9)
• _regulator_handle_consumer_enable(9)
• _regulator_handle_consumer_disable(9)
• regulator_enable(9)
• regulator_disable(9)
• regulator_force_disable(9)
• regulator_disable_deferred(9)
• regulator_is_enabled(9)
• regulator_count_voltages(9)
• regulator_list_voltage(9)
• regulator_get_regmap(9)
• regulator_get_hardware_vsel_register(9)
• regulator_hardware_enable(9)
• regulator_get_linear_step(9)
• regulator_is_supported_voltage(9)
• regulator_set_voltage(9)
• regulator_set_voltage_time(9)
• regulator_set_voltage_time_sel(9)
• regulator_sync_voltage(9)
• regulator_get_voltage(9)
• regulator_set_current_limit(9)
• regulator_get_current_limit(9)
• regulator_get_unclaimed_power_budget(9)
• regulator_request_power_budget(9)
• regulator_free_power_budget(9)
• regulator_set_mode(9)
• regulator_get_mode(9)
• regulator_get_error_flags(9)
• regulator_set_load(9)
• regulator_allow_bypass(9)
• regulator_register_notifier(9)
• regulator_unregister_notifier(9)
• regulator_bulk_get(9)
• regulator_bulk_enable(9)
• regulator_bulk_disable(9)
• regulator_bulk_force_disable(9)
• regulator_bulk_free(9)
• regulator_handle_critical(9)
• regulator_notifier_call_chain(9)
• regulator_mode_to_status(9)
• regulator_register(9)
• regulator_unregister(9)
• regulator_suspend(9)
• regulator_has_full_constraints(9)
• rdev_get_drvdata(9)
• regulator_get_drvdata(9)
• regulator_set_drvdata(9)
• rdev_get_id(9)

xoxo, signing off from the ./drivers/regulator source/version, October 2026, page regulator_li...ardware_vsel(9) 💅✨