[media] tw686x: audio: Implement non-memcpy capture
Now that we've introduced the dma_mode parameter to pick the DMA operation, let's use it to also select the audio DMA operation. When dma_mode != memcpy, the driver will avoid using memcpy in the audio capture path, and the DMA hardware operation will act directly on the ALSA buffers. Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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