Acpi 80860f14 ((install)) Jun 2026

In the kernel source code ( drivers/acpi/acpi_lpss.c ), Intel LPSS devices are defined with specific IDs. The 80860F14 entry enables the dw_i2c driver (DesignWare I2C).

Thus, the kernel sees 80860F14 , initializes the DSP, but then fails to find the codec. This results in the dreaded "failed to add I2C device" error. Acpi 80860f14

The text string (often shortened to Acpi 80860f14 ) refers to a specific hardware component in Windows Device Manager, usually appearing as an "Unknown Device." In the kernel source code ( drivers/acpi/acpi_lpss