acpi_dev_pm_low_power(9)

Hiii bestie!! 💖 Okay so welcome to the acpi_dev_pm_low_power(9) page from the Kernel API Manual. This function is literally here to put an ACPI device into a low-power state, and the way that it does that is giving very specific kernel power-management energy. ✨ No cap, we’re gonna read every detail together. 🫶

🌸 NAME 🌸

acpi_dev_pm_low_power — put ACPI device into a low-power state. 💤 That’s the whole assignment, bestie: yeet that ACPI device into low power. (But, like, do it correctly.)

✨ SYNOPSIS ✨

Vibe check: here’s the signature, fr fr — keep it exactly as written:

int acpi_dev_pm_low_power (struct device *dev , struct acpi_device *adev
       , u32 system_state );

🎀 ARGUMENTS 🎀

Okay so the arguments are giving very specific, and we respect that:

• struct device *dev — the device to put into a low-power state. 💤
• struct acpi_device *adev — the ACPI device node corresponding to dev. 🦋
• u32 system_state — the system state to choose the device state for. ⭐

🦋 SEE ALSO 🦋

Kernel file alert! 🚨 The kernel file is ./drivers/acpi/device_pm.c, and the related-page squad is long, iconic, and all here:

• acpi_power_state_string(9)
• acpi_device_get_power(9)
• acpi_device_set_power(9)
• acpi_device_fix_up_power(9)
• acpi_device_fix_up_power_extended(9)
• acpi_device_fix_up_power_children(9)
• acpi_dev_power_up_children_with_adr(9)
• acpi_dev_power_state_for_wake(9)
• acpi_add_pm_notifier(9)
• acpi_remove_pm_notifier(9)
• acpi_dev_pm_get_state(9)
• acpi_pm_device_sleep_state(9)
• acpi_pm_notify_work_func(9)
• acpi_device_wakeup_enable(9)
• acpi_device_wakeup_disable(9)
• acpi_pm_set_device_wakeup(9)
• acpi_dev_pm_full_power(9)
• acpi_dev_suspend(9)
• acpi_dev_resume(9)
• acpi_subsys_runtime_suspend(9)
• acpi_subsys_runtime_resume(9)
• acpi_subsys_prepare(9)
• acpi_subsys_complete(9)
• acpi_subsys_suspend(9)
• acpi_subsys_suspend_late(9)
• acpi_subsys_suspend_noirq(9)
• acpi_subsys_resume_noirq(9)
• acpi_subsys_resume_early(9)
• acpi_subsys_resume(9)
• acpi_subsys_freeze(9)
• acpi_subsys_restore_early(9)
• acpi_subsys_poweroff(9)
• acpi_subsys_poweroff_late(9)
• acpi_subsys_poweroff_noirq(9)
• acpi_dev_pm_detach(9)
• acpi_dev_pm_attach(9)
• acpi_storage_d3(9)
• acpi_dev_state_d0(9)

Bye bestie!! 🫶 This page comes from ./drivers/acpi, dated October 2026, and it’s the acpi_dev_pm_low_power(9) manual page. Mwah! 💅✨