mmACP_SCRATCH_REG_39 456 sound/soc/amd/include/acp_2_2_d.h #define mmACP_SCRATCH_REG_39 0x52e7 mmACP_SCRATCH_REG_39 193 sound/soc/amd/raven/chip_offset_byte.h #define mmACP_SCRATCH_REG_39 0x125009C