/* Disables the device (putting it in lower power sleep mode)  */
tsl2561Error_t tsl2561Disable(void)
/* Disables the device (putting it in lower power sleep mode)  */
tsl2561Error_t tsl2561Disable(void)
{
  if (!_tsl2561Initialised) tsl2561Init();
  return tsl2561Write8(TSL2561_COMMAND_BIT | TSL2561_REGISTER_CONTROL, TSL2561_CONTROL_POWEROFF);
}