echo 1 | sudo tee /sys/bus/acpi/devices/HPQ0006:00/als_enable Add to /etc/modprobe.d/blacklist-hpq0006.conf :
This guide is for informational purposes. Interacting with ACPI devices incorrectly can cause system instability. Always back up your data before making system changes. Guide: Understanding and Managing the ACPI HPQ0006 Device 1. What is ACPI HPQ0006? ACPI HPQ0006 is a Virtual ACPI Device designed by HP. In most HP laptops (Pavilion, Envy, Spectre, ProBook), it serves as the interface between the operating system and embedded hardware controllers—specifically for extra input features and power management of accessories . acpi hpq0006
This is a technical guide to the device. This identifier is specific to HP (Hewlett-Packard) laptops and represents a proprietary ACPI (Advanced Configuration and Power Interface) hardware device. Guide: Understanding and Managing the ACPI HPQ0006 Device 1
# Linux sudo acpidump > acpi.dat acpixtract -a acpi.dat iasl -d dsdt.dat grep -i hpq0006 dsdt.dsl This shows how the device is defined in your firmware. | Aspect | Detail | |--------|--------| | Vendor | HP (Hewlett-Packard) | | Type | Virtual ACPI Device | | Main drivers | HP Software Framework (Windows), hp_accel/hp-wmi (Linux) | | Key features | Accelerometer, ALS, hinge sensor, radio buttons | | Safe to disable? | Yes (loses specific HP features only) | | Permanent removal | Not possible without BIOS mod | Final recommendation: Leave ACPI HPQ0006 enabled unless it is actively causing errors (e.g., driver crashes, high CPU). If you do not use HP’s extra features (auto-brightness, HDD protection, airplane mode button), disabling it is safe and may reduce power consumption slightly. In most HP laptops (Pavilion, Envy, Spectre, ProBook),
