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9b9a5afffd
ARM DMA routines The patch below adds a convenient re-usable shim around the extended ARM DMA API, and is used by several ARM ALSA drivers. Signed-off-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>
4 lines
256 B
C
4 lines
256 B
C
void devdma_hw_free(struct device *dev, snd_pcm_substream_t *substream);
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int devdma_hw_alloc(struct device *dev, snd_pcm_substream_t *substream, size_t size);
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int devdma_mmap(struct device *dev, snd_pcm_substream_t *substream, struct vm_area_struct *vma);
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