1. NAME

snd_pcm_lib_malloc_pages - allocate the DMA buffer

2. SYNOPSIS

int snd_pcm_lib_malloc_pages(struct snd_pcm_substream *  substream , size_t  size );

3. ARGUMENTS

substream
    the substream to allocate the DMA buffer to

size
    the requested buffer size in bytes

4. DESCRIPTION

Allocates the DMA buffer on the BUS type given earlier to snd_pcm_lib_preallocate_xxx_pages.

5. RETURN

1 if the buffer is changed, 0 if not changed, or a negative code on failure.

6. COPYRIGHT