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 ▲