Enable buffer support within IIO

configname: CONFIG_IIO_BUFFER

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Enable buffer support within IIO
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Provide core support for various buffer based data
acquisition methods.

depends
CONFIG_IIO

is selected by
CONFIG_LIS3L02DQ