snd_sgbuf_get_chunk_size  128 include/sound/memalloc.h #define snd_sgbuf_get_chunk_size(dmab, ofs, size)	(size)
snd_sgbuf_get_chunk_size  140 sound/core/sgbuf.c unsigned int snd_sgbuf_get_chunk_size(struct snd_dma_buffer *dmab,