lily@vaio:~$ egrep 'ACPI_VIDEO|SONY_LAPTOP|SONYPI|SENSORS_EEPROM' /boot/config-$(uname -r)
CONFIG_ACPI_VIDEO=m
CONFIG_SONY_LAPTOP=m
CONFIG_SONYPI_COMPAT=y
CONFIG_SONYPI=m
CONFIG_SENSORS_EEPROM=m