Acpi Prp0001: 0
[ 0.987654] ACPI: PRP0001:00: PRP0001 device Or a related error:
echo 1 > /sys/bus/acpi/devices/PRP0001:00/unbind 2>/dev/null echo 1 > /sys/bus/acpi/devices/PRP0001:00/bind Watch dmesg for new output. acpi prp0001 0
For an I2C device, ensure the I2C controller driver is bound: /dev/null echo 1 >