RT5640_DMIC2_DATA_PIN_NONE    9 include/dt-bindings/sound/rt5640.h #define RT5640_DMIC2_DATA_PIN_NONE	0
RT5640_DMIC2_DATA_PIN_NONE    9 scripts/dtc/include-prefixes/dt-bindings/sound/rt5640.h #define RT5640_DMIC2_DATA_PIN_NONE	0