ASoC: q6asm-dai: add support to copy callback
During gapless playback, its possible for previous track to end at unaligned boundary, starting next track on the same boundary can lead to unaligned address exception in dsp. So implement copy callback for finer control on the buffer offsets. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Tested-by: Vinod Koul <vkoul@kernel.org> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20200727093806.17089-11-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
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