code: def _bcsys(dev, name, value=None, log_lvl=None, log_msg=None):
      '''
      Simple wrapper to interface with backing devs SysFS
      '''
      return _sysfs_attr([_bcpath(dev), name], value, log_lvl, log_msgf _bcsys(dev, name, value=None, log_lvl=None, log_msg=None):
      '''
      Simple wrapper to interface with backing devs SysFS
      '''
      return _sysfs_attr([_bcpath(dev), name], value, log_lvl, log_msg)
docs: Simple wrapper to interface with backing devs SysFS