suse man page for snd_dma_get_reserved_buf

SND_DMA_GET_RESERVED(9) 					   Sound Devices					   SND_DMA_GET_RESERVED(9)

NAME
       snd_dma_get_reserved_buf - get the reserved buffer for the given device

SYNOPSIS
       size_t snd_dma_get_reserved_buf(struct snd_dma_buffer * dmab, unsigned int id);

ARGUMENTS
       dmab
	   the buffer allocation record to store

       id
	   the buffer id

DESCRIPTION
       Looks for the reserved-buffer list and re-uses if the same buffer is found in the list. When the buffer is found, it's removed from the
       free list.

       Returns the size of buffer if the buffer is found, or zero if not found.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   SND_DMA_GET_RESERVED(9)