mmACP_SCRATCH_REG_18 435 sound/soc/amd/include/acp_2_2_d.h #define mmACP_SCRATCH_REG_18 0x52d2 mmACP_SCRATCH_REG_18 172 sound/soc/amd/raven/chip_offset_byte.h #define mmACP_SCRATCH_REG_18 0x1250048