ASoC: Intel: Give up DMA when not in use.

Give up the DMA engine when not in use so that DSP can take DMA.

TODO: re-work API so that we are not coupled to DW API, i.e. should be using
generic API.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
1 file changed