PLAYBACK_MIN_NUM_PERIODS   21 sound/soc/amd/acp-pcm-dma.c #define PLAYBACK_MIN_NUM_PERIODS    2
PLAYBACK_MIN_NUM_PERIODS   29 sound/soc/amd/raven/acp3x.h #define PLAYBACK_MIN_NUM_PERIODS    2
PLAYBACK_MIN_NUM_PERIODS   25 sound/soc/qcom/qdsp6/q6asm-dai.c #define PLAYBACK_MIN_NUM_PERIODS    2