CONFIG_IIO_BUFFER_DMAENGINE (not configurable)

modulename: industrialio-buffer-dmaengine.ko

configname: CONFIG_IIO_BUFFER_DMAENGINE

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>IIO_BUFFER_DMAENGINE
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Provides a bonding of the generic IIO DMA buffer infrastructure with the
DMAengine framework. This can be used by converter drivers with a DMA port
connected to an external DMA controller which is supported by the
DMAengine framework.

Should be selected by drivers that want to use this functionality.

source code: