PDAUDIOCF_REG_MD
unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
unsigned long rdp_port = chip->port + PDAUDIOCF_REG_MD;
inw(chip->port + PDAUDIOCF_REG_MD);