This isn't turning it off...
put "blacklist stk3310" inside "/etc/modprobe.d/proximity.conf" to permanently turn it off or do "sudo rmmod stk3310" to turn it off until reboot.
put "blacklist stk3310" inside "/etc/modprobe.d/proximity.conf" to permanently turn it off or do "sudo rmmod stk3310" to turn it off until reboot.