ALSA: pcm: use dma_can_mmap() to check if a device supports dma_mmap_*

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Replace the local hack with the dma_can_mmap helper to check if
a given device supports mapping DMA allocations to userspace.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Takashi Iwai <tiwai@suse.de>

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Christoph Hellwig 2019-08-03 13:31:59 +03:00

parent e29ccc188f

commit 425da15970

1 changed files with 6 additions and 7 deletions

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sound/core/pcm_native.c

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