_regulator_...sumer_enable(9)

✨ NAME ✨

okay bestie, meet _regulator_handle_consumer_enable — the little helper that handles that a consumer enabled. This one comes straight from the Kernel API Manual, and it is giving very much “behind-the-scenes refcount main character” energy. 🎀

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🌸 SYNOPSIS 🌸

int _regulator_handle_consumer_enable (struct regulator *regulator );

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🎀 ARGUMENTS 🎀

• regulator — regulator source. That’s the regulator source, periodt. 💅

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💖 DESCRIPTION 💖

okay so some things on a regulator consumer — like the contribution towards total load on the regulator — only have an effect when the consumer wants the regulator enabled. The original explains it with two consumers of the same regulator, and the numbers are a whole journey:

consumer A: set_load(100);       => total load = 0
consumer A: regulator_enable;  => total load = 100
consumer B: set_load(1000);      => total load = 100
consumer B: regulator_enable;  => total load = 1100
consumer A: regulator_disable; => total_load = 1000

This function — together with _regulator_handle_consumer_disable — is responsible for keeping track of the refcount for a given regulator consumer and applying / unapplying these things. no cap, that’s the whole vibe. 🦋

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🔥 RETURN 🔥

0 on success or negative error number on failure. That’s it. slay. ✨

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🌈 SEE ALSO 🌈

The whole extended universe is rooted in the kernel file ./drivers/regulator/core.c, and the tag list is genuinely giving group project, fr fr:

• 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_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_list_hardware_vsel(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)

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💖 that’s the whole page, bestie — the footer says source/version ./drivers/regulator and date October 2026, and honestly? iconic. 💖