snd_dmaengine_pcm_request_channel9
Request channel for the dmaengine pcm
Usage
struct dma_chan * snd_dmaengine_pcm_request_channel(dma_filter_fn filter_fn, void * filter_data);
Arguments
filter_fn
Filter function used to request the DMA channel
filter_data
Data passed to the DMA filter function
Overview
Returns NULL or the requested DMA channel.
This function request a DMA channel for usage with dmaengine PCM.