Acpi Prp0001 0 Hot! Site

What is the or behavior you're noticing?

Ensure your Linux kernel is up to date and that CONFIG_OF (Open Firmware/Device Tree support) is enabled in your kernel config. 3. Windows "Unknown Device"

The PRP0001 ID tells the Linux kernel: "Look inside this device's properties for a standard Linux 'compatible' string to find the right driver." 🛠️ Performance & Functionality

Example: drivers/iio/pressure/bmp280.c includes: acpi prp0001 0

If issues arise with ACPI PRP0001, they may manifest as:

or

Before the I²C subsystem patch (commit e3cb82c ), PRP0001 devices were not enumerated correctly when the driver lacked an explicit ACPI ID table. The commit's description states: What is the or behavior you're noticing

Newer kernels contain more compatible strings.

; MODULE_DEVICE_TABLE(of, tmp75_of_match);

To solve this configuration mess, the Linux Kernel Organization introduced the companion ID along with Device Specific Data ( _DSD ) properties. Windows "Unknown Device" The PRP0001 ID tells the

The kernel:

If you are running Windows on a Valve Steam Deck and see ACPI\PRP0001\0 listed under "Unknown Devices":