PDM_CHAN_CTRL_POINTER_WIDTH   53 sound/soc/meson/axg-pdm.c #define  PDM_CHAN_CTRL_POINTER_MAX	((1 << PDM_CHAN_CTRL_POINTER_WIDTH) - 1)
PDM_CHAN_CTRL_POINTER_WIDTH  198 sound/soc/meson/axg-pdm.c 		val |= sp << (PDM_CHAN_CTRL_POINTER_WIDTH * i);