ASoC: SOF: Intel: cnl: add pointer ops to use DPIB position
Add .pcm_pointer ops for cannonlake to read DPIB/posbuf and get pointer for ALSA, to align with apollolake. Signed-off-by: NKeyon Jie <yang.jie@linux.intel.com> Signed-off-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: NMark Brown <broonie@kernel.org>
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